04 chevy trailblazer engine

An oxygen sensor, commonly referred to as an O2 sensor, is a crucial component in your Trailblazer’s exhaust system. It plays a vital role in monitoring the levels of oxygen present in the exhaust gases produced during the combustion process. Oxygen sensors (measure gasses as they exit the engine), along with MAF or MAP sensors …

The chart for the 2002 Trailblazers were much simpler and did not mention the engine equipped but instead divided the tow numbers into 2WD and 4WD models. The towing capacity range for the 2002 Chevy Trailblazers ranged from 5,200 pounds and went up to 6,400 pounds, similar to the 2007-2009 models listed. If you look at the chart, you will ...Chevrolet - CHEVY TRAILBLAZER 2WD - Brochure - 2002 - 2002 View pdf. Best Back Seat Organizer Find out more. Brochure 21 Pages Chevrolet - CHEVY TRAILBLAZER - Brochure - 2002 - 2002 View pdf. ... Detailed Chevrolet Trailblazer Engine and Associated Service Systems (for Repairs and Overhaul) (PDF)I got a 40k / 05 engine for $500. My truck is a 04 EXT. I am also changing Front & Rear Dif. seals and oils. :thumbsup: I have an 04 block. Save Share. Like. C. cgreen. ... Chevy TrailBlazer, TrailBlazer SS and GMC Envoy Forum. 1.3M posts 174.2K members Since 2004 A forum community dedicated to Chevy Trailblazer and GMC …Chevy Trailblazer: Service Engine Soon Light → Diagnosis. September 3, 2019 by Jason. Your Chevy Trailblazer's service engine soon light is there to let you know that some sort of problem has been detected with the vehicle. Any vehicles made in 1996 or newer use OBDII codes, which can easily be retrieved from a good code scanner.Turn on the ignition, then try to start the engine (it won't of course) Leave ignition on for approx. 10 minutes until security light goes out. Once security light goes out, turn off ignition and repeat 1 & 2. After the third time, it should start. Toggle signature.P0606 is a generic OBD II code. Which means that it has the same meaning for the Chevy Trailblazer that it would for any other vehicle. If your Trailblazer has P0606 it's highly likely that the ECM/PCM (engine or powertrain control module, they mean the same thing) has failed. The PCM regularly performs a self.A locking differential ($270), two-tone paint ($150) and skid plates (with 4WD, $130) are mandatory options with the North Face Edition. Trailblazer EXT LS ($29,695) and Trailblazer EXT LT ...

The A/C compressor pressurizes the refrigerant in your A/C system, turning incoming refrigerant into a hot, high-pressure gas. It also pushes the refrigerant throughout the system, allowing it to change states and cycle back to the compressor. When you activate the A/C system from the cabin, the A/C clutch locks and engages the compressor.Notes: Engine Water Pump Pulley. GM Original Equipment. PRICE: 161.99Location:: Water Pump PulleyPulley Type: SmoothGrade Type: RegularColor: Black ... 2004 chevy trailblazer lt 4.2 Water pump, kit#34. Cermakf2017. in 5 months **** Please before you rent tool kit#34 read below*** The water pump came as described. Went in easy fit great.K&N High Performance Oil Filter HP-2006. Part # HP-2006. SKU # 161009. Check if this fits your 2004 Chevrolet Trailblazer. Notes: Premium Oil Filter with Wrench Off Nut. PRICE: 16.99. Filter Type: Spin-on Canister. Non Slip Grip: No. Inside Thread Size: 13/16 In. - 16.Find 2004 CHEVROLET TRAILBLAZER Exhaust and get Free Shipping on Orders Over $109 at Summit Racing! Free Mount & Balance for Many Wheel & Tire Packages - Contact us for Details! Vehicle/Engine Search Vehicle/Engine Search Make/Model Search Make/Engine Search ... 8mm x 1.25 Thread Size, Cadillac, Chevy, Chrysler, Jeep, Set of 12. Part Number ...Order Chevrolet Trailblazer Freeze Plug online today. Free Same Day Store Pickup. Check out free battery charging and engine diagnostic testing while you are in store. ... Kat's Engine Heater Freeze Plug 11484. Sponsored. Kat's Engine Heater Freeze Plug 11484 $ 88 99. Part # 11484. SKU # 4541. Check if this fits your Chevrolet Trailblazer ...

The 2004 Chevrolet Trailblazer has 4 different fuse boxes: Engine Compartment Fuse Block [L6] diagram. Engine Compartment Fuse Block [V8] diagram. ... 04. Truck Body Controller 3. Fuse MINI . 05. Rear Fog Lamps. Fuse MINI . 06. Blank. Fuse MINI . 07. Truck Body Controller 2. Circuit breaker ATO . 08.Obviously ticking is going to be the major symptom of a lifter tick. It must go up and down with the Trailblazer’s engine speed, or it is not a lifter tick at all. A lifter tick is usually not accompanied by any other symptoms than the noise. The noise of a bad lifter is very distinct. It’s not a knocking sound, which could be described ...Equip cars, trucks & SUVs with 2004 Chevrolet Trailblazer Engine from AutoZone. Get Yours Today! We have the best products at the right price.Engine & Performance. Brakes. Parking Brake. Manual. Lever. Material. Plastic. Front Brakes. Disc Brakes. Cooling. Ventilated. Rear Brakes. Disc Brakes ...Base engine size: 4.2 liters: Base engine type: I-6: Horsepower: 275 hp: Horsepower rpm: 6,000: Torque: 275 lb-ft. Torque rpm: 3,600: Payload: 1,138 lbs. Maximum towing …2004 Chevrolet Trailblazer EXT A/C Compressor; 2004 Chevrolet Trailblazer EXT Radiator; 2004 Chevrolet Trailblazer EXT Hose (Upper) 2004 Chevrolet Trailblazer EXT Hose (Lower) 2004 Chevrolet Trailblazer EXT A/C Heater Blower Motor; 2004 Chevrolet Trailblazer EXT Hose (Heater) 2004 Chevrolet Trailblazer EXT Thermostat Gasket; …

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14. TCC (Torque Converter Clutch) always locked: TCC applies solenoid circuit shorted to ground, TCC solenoid blockage, or TC broke (must remove trans and replace TC). 15. Horrible noise in 4th and feels like the brakes are on: overrun clutches are applied due to a cracked or leaking forward piston.P0480 is usually caused by a bad fan or a bad fan relay. Good luck fixing your Chevy Trailblazer! P0480 is a relatively common OBDII trouble code. It indicates that your Chevy Trailblazer's "cooling fan 1 control circuit" is malfunctioning. It's a generic code, so it has the same meaning for any vehicle made for the 1996 model year and up.The chart for the 2002 Trailblazers were much simpler and did not mention the engine equipped but instead divided the tow numbers into 2WD and 4WD models. The towing capacity range for the 2002 Chevy Trailblazers ranged from 5,200 pounds and went up to 6,400 pounds, similar to the 2007-2009 models listed. If you look at the chart, you …NOTE: The ignition coils above fit the 2002-2005 4.2L Chevrolet TrailBlazer or GMC Envoy. TEST 1: Testing The Ignition Coil For Spark. Testing an ignition coil involves removing it from its place on the engine valve cover and attaching a spark tester to it. Then the engine is cranked to see if the spark tester sparks.

P0480 is usually caused by a bad fan or a bad fan relay. Good luck fixing your Chevy Trailblazer! P0480 is a relatively common OBDII trouble code. It indicates that your Chevy Trailblazer's "cooling fan 1 control circuit" is malfunctioning. It's a generic code, so it has the same meaning for any vehicle made for the 1996 model year and up.The 2004 Chevrolet Trailblazer has 4 different fuse boxes: Engine Compartment Fuse Block [L6] diagram. Engine Compartment Fuse Block [V8] diagram. Rear Underseat Fuse Block [TrailBlazer] diagram. Rear Underseat Fuse Block [TrailBlazer EXT] diagram. Chevrolet Trailblazer fuse box diagrams change across years, pick the right year of your vehicle:2004 Trailblazer Decreased Engine Power Light On. Jump to Latest Follow ... Chevy TrailBlazer, TrailBlazer SS and GMC Envoy Forum. 1.3M posts 174.4K members Since 2004 A forum community dedicated to Chevy Trailblazer and GMC Envoy owners and enthusiasts. Come join the discussion about performance, modifications, troubleshooting, towing capacity ...Detailed specs and features for the 2023 Chevrolet Trailblazer including dimensions, horsepower, engine, capacity, fuel economy, transmission, engine type, cylinders, drivetrain and more.The 4.2L has variable valve timing on the exhaust cam. There is a 'cam phaser' positioner motor that changes the degree of rotation on the exhaust cam. Joel. 2005 Trailblazer LS 4x4, summit white. Adds: Ventshades and LOTS of extra adhesive added for durabilty.Guaranteed to Fit. $10.49. 0. Add to Cart. Vehicle Fitment. 2004 Chevrolet Trailblazer All Submodels All Engines With Round Connector. Product Details. Notes : Connector for 2 terminal pressure switches; For use with part numbers 35974, 36662 Warranty : 120-day 4-Seasons limited warranty Quantity Sold : Sold individually. See All Products Details. A D V E R T I S E M E N T S. The contact owned a 2004 Chevrolet Trailblazer. While driving 40 mph, flames appeared under the front end of the vehicle without warning. The vehicle was completely ... Trailblazer has 198000mi. Was doing routine maintenance replacing the spark plugs and found oil in cyclinder #3 - on top of the plug and on the boot of the coil pack. After removing spark plugs from #3, #4, #6 I found oil on the threads too. I cleaned the oil off with a rag and went ahead and did the spark plug replacement.1. # 3070445230. Chevy Trailblazer 2004, Longtime High Tech™ SAE 5W-30 Motor Oil, by Liqui Moly®. This product is made of high-quality components to meet and exceed strict quality requirements. Designed using state-of-the-art technology and with... $12.52 - $651.93. Liqui Moly® SAE 5W-30 Synthetic Motor Oil.

2024 Chevrolet Trailblazer Brakes. Brake Type: Electric, four-wheel disc with Duralife rotors; brake drying, ABS and brake life monitoring. Front Brake Rotor Size (in. / mm): 11.80 x 1.03 / 300 x ...

Your Trailblazer's engine needs air, fuel, and spark to achieve optimum ignition . When one or more of these variables is off, it can lead to a rough idling condition. Fuel - The ideal air-to-fuel ratio is 14.7 parts air to one part fuel. Air - The air entering your vehicle's engine must be metered by the MAF or MAP sensor.An optional 5.3-liter overhead-valve V8 only available for the TrailBlazer EXT is rated at 290 horsepower and 325 pounds-feet of torque. Safety features include dual-stage driver and passenger ...This is the installation of the coolant temperature sensor in a 4.2 L Inline 6 in a Chevy Trailblazer. Don't forget to Like and Subscribe for future videos. ...2004 Chevrolet TrailBlazer EXT 4.2L Engine 6cyl OEM 170K Miles (LKQ~324673800) (Fits: 2004 Chevrolet Trailblazer EXT) $916.41. Was: $1,028.23. Free shipping.Trouble code P0014110xxx miles.New note: i ended up getting my transmission replaced.the gears were starting to slip until i could no longer drive it.After r...Here are some of the most common warning signs of a bad timing belt on the Chevy Trailblazer: 1. Engine Won’t Start. If your Trailblazer’s timing chain or belt has fallen off completely, broken, or has jumped a few teeth, it is entirely possible that the engine won’t even start. You might hear it slapping around (broken timing belt or ...Detailed specs and features for the Used 2005 Chevrolet Trailblazer including dimensions, horsepower, engine, capacity, fuel economy, transmission, engine type, cylinders, drivetrain and more.Engine Timing. If your Chevy Trailblazer's engine timing is off, it's going to stall out, misfire, and altogether not run properly. Here are some of the more common causes of an engine timing problem: VVT Problem- Many modern engines are equipped with Variable Valve Timing. This allows for the engine to be in the "sweet spot" of power ...2024 Trax. Starting at: $20,400† (As Shown: $23,900†) Explore the next gen 2024 Chevy Trax affordable compact SUV with available 11-inch display screen, a sleek, sporty exterior & unique interior accents on select trims. Meet the 2024 Chevy Trailblazer with an 11-inch diagonal touch screen, 54.4 cu. ft. of max cargo volume, 39.4 inches of ...

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Call Now 1-866-651-2992. Buy Remanufactured CHEVROLET TrailBlazerEngines From our Reliable Network and Inventory that offers up to a two-year Warranty on Low Mileage units. Check out our A+ Rated BBB Report and Compare.Vortec 5300 5.3L V-8 (LM4) Application. standard on TrailBlazer and TrailBlazer EXT. optional on TrailBlazer EXT. Type. 4.2L inline six cylinder. 5.3L V-8. Displacement (cu …A locking differential ($270), two-tone paint ($150) and skid plates (with 4WD, $130) are mandatory options with the North Face Edition. Trailblazer EXT LS ($29,695) and Trailblazer EXT LT ...Shop for New Auto Parts at 1AAuto.com http://1aau.to/c/129/w/high-performance-air-intake-systems1A Auto shows you how to repair, install, fix, change or repl...04 chevy trailblazer. Asked by Broken_7 Jan 21, 2016 at 01:45 PM about the 2004 Chevrolet Trailblazer LS 4WD. Question type: Maintenance & Repair. 2 questions. 1st my key gets stuck in the ignition which in turn. my battery light is lit on the dashboard it's really. annoying and all of sudden it decides to come out?30 Nov 2022 ... This time at the Quick Speed Shop I'm pulling my 2004 V8 Chevy Trailblazer in the shop to remove the 5.3L LM4, all aluminum engine. The ...Obviously ticking is going to be the major symptom of a lifter tick. It must go up and down with the Trailblazer’s engine speed, or it is not a lifter tick at all. A lifter tick is usually not accompanied by any other symptoms than the noise. The noise of a bad lifter is very distinct. It’s not a knocking sound, which could be described ...Chevrolet Trailblazer The Chverolet TralBlazer is a mid-size SUV from the Chevrolet division of General Motors. From 1999, it was an upscale trim line of the Chevrolet Blazer and in 2002 it was introduced as a separate model. The first generation of TrailBlazer had two versions, an extended EXT version, and a performance oriented SS version. ….

Leave the trans. Leave the Tcase. Remove front Drive train. Wheels Spindles and axles. Then pull the motor. My first time it took about 8 hours. Got it down to 4:rofl: Lots of stuff to remove to yank the engine. I have also loosened the top bolts on the front coil over to get to the 3 large engine bolts.Buy Now!New Harmonic Balancer from 1AAuto.com http://1aau.to/ia/1AEHB00203For many vehicles, the harmonic balancer not only helps balance the engine, but als...Chevy Mechanic: Dan. It may be possible you also have a worn wheel bearing that is making that off in the distance siren noise. GM has a bulletin pertaining to the cooling fan making that jet engine sound and it also drags the engine's performance down with it. Cooling System - Electro-Viscous Fan Clutch Operation. Notes.My 2003 Trailblazer started making a terrible noise after running for a couple of minutes. It sounded like it was coming from the front of the engine and wit...So got a 2004 Chevy trailblazer 4.2 v6 and we have the infamous p0442 which is small Evap leak detected and we know it’s not a gas cap issue because we had s...What causes my 2004 chevy trailblazer to overheat? I got the radiator replaced, due to a crack across the top from E... - Chevrolet 2004 TrailBlazer question ... Chevy trailblazer check engine light. ... Problems with a 04 trailblazer ticking and quit pulling. Read full answer.This video will document the engine replacement in this 2007 Chevrolet Trailblazer. 4,2 Automatic 4x4. The video will cover all the required steps.Guaranteed to Fit. $10.49. 0. Add to Cart. Vehicle Fitment. 2004 Chevrolet Trailblazer All Submodels All Engines With Round Connector. Product Details. Notes : Connector for 2 terminal pressure switches; For use with part numbers 35974, 36662 Warranty : 120-day 4-Seasons limited warranty Quantity Sold : Sold individually. See All Products Details.A misfiring engine is one of the most common reasons your Trailblazer will shake when accelerating. A vehicle's ignition system consists of spark plugs, coil packs, and maybe plug wires. If it is an older model, it'll have a distributor and coil instead of coil packs. If any of these ignition components fail to deliver enough spark, your ...P0305 is a fairly common trouble code with the Chevy Trailblazer.It's and OBD2 code and stands for:. P0305: Misfire Detected → Cylinder 5. P0305 is certainly a cause for concern, and should be considered a threat to the drivability your Trailblazer. The nice thing about P0305 is that it's a cylinder specific trouble code, which makes diagnosing the problems simpler than P0300, which ... 04 chevy trailblazer engine, When the Chevy TrailBlazer hit the streets back in Y2K, ... -a four-wheel-drive LT with the same engine-sprinted to 60 in 8.3 seconds and ran the quarter in 16.5 seconds at 85 mph., Click on a problem below to read more. Check Engine Light On 39. Engine Stalls/Shuts Off While Driving 15. Whine That Fluctuates With Engine Speed 7. Misfire 6. Secondary Air Pump Failure 6 ..., Buy Now!New Starter from 1AAuto.com http://1aau.to/ia/1AEST00547The starter is a powerful electric motor that gets your engine to turn over when you turn the..., Enginetech Engine Rebuild Kit 02-04 Chevy TrailBlazer Envoy 4.2L DOHC L6 Vortec. Brand New: Enginetech. $698.99. Free shipping. Only 1 left! 2007 2008 2009 Chevy Trailblazer 6.0L V8 VIN "H" LS2 - PREM ENGINE REBUILD KIT. Brand New: Enginetech. $730.00. Free shipping., 02-09 Vortec 4.2L I-6 Engine and Drivetrain. Engine Tunes/Mods What kind of mods to do for power? ... 04_Blazer Discussion starter 3 posts ... Chevy TrailBlazer, TrailBlazer SS and GMC Envoy Forum. 1.3M posts 174.4K members Since 2004 A forum community dedicated to Chevy Trailblazer and GMC Envoy owners and enthusiasts. ..., Notable features. Inline-six-cylinder. Available side-curtain airbags. Car-compatible bumpers. Available Autotrac 4WD. Tight turning circle. 4.1. 83% of drivers recommend this car. Comfort 4.3., IAEA Director General Rafael Mariano Grossi delivers a statement on the safety, security and safeguards implications of the situation in Ukraine to the Board of …, The 4.2L has variable valve timing on the exhaust cam. There is a 'cam phaser' positioner motor that changes the degree of rotation on the exhaust cam. Joel. 2005 Trailblazer LS 4x4, summit white. Adds: Ventshades and LOTS of extra adhesive added for durabilty., P0300 is a generic OBDII code that can occur with the Chevy Trailblazer. This code indicates that your vehicle's engine is misfiring and can be a drivability threat. P0300 is often accompanied by cylinder-specific misfire codes (P030X, where the X indicates the cylinder number that is misfiring). If you have P0300 and a cylinder-specific ..., Eagle High Fits Chevy Trailblazer 6.0L 2007 2009 Saab 9-7x 6.0L 2008 2009 This alternator comes with 6 groove clutch pulley 300Amp HIGH OUTPUT,2-PIN PLUG REGULATOR High Output 300 Amp New Alternator. ... Needed to replace my thermostat on my 04 Trailblazer LS 4.2L SUV, so even tho my alternator wasn't …, Here are some of the most common warning signs of a bad timing belt on the Chevy Trailblazer: 1. Engine Won’t Start. If your Trailblazer’s timing chain or belt has fallen off completely, broken, or has jumped a few teeth, it is entirely possible that the engine won’t even start. You might hear it slapping around (broken timing belt or ..., P0172 is thrown when the oxygen sensors detect that the air-fuel mixture is too rich. A rich fuel mixture contains too much fuel in relation to air. The A/F ratio for ideal combustion is 14.7 parts air to 1 part fuel (14.7:1). With that in mind, either too much fuel or not enough air can cause a vehicle to run rich., You will find all the aftermarket parts you need for your Chevrolet TrailBlazer on NAPAonline from batteries, brakes, headlights and windshield wipers to engine, transmission, ignition and steering parts. Add your vehicle above so you can browse by make, model and year to find specific components that match. Shop all Chevrolet TrailBlazer parts ..., An optional 5.3-liter overhead-valve V8 only available for the TrailBlazer EXT is rated at 290 horsepower and 325 pounds-feet of torque. Safety features include dual-stage driver and passenger ..., Get the best deals on Engine Mounts for 2006 Chevrolet Trailblazer when you shop the largest online selection at eBay.com. Free ... 2009 Chevy Trailblazer 4.2L Engine n Trans Mounts (Fits: 2006 Chevrolet Trailblazer) ... Free shipping. 68 sold. 3pcs Engine & Trans Mount For 02-09 Trailblazer Envoy 04-07 Buick Rainer 4.2l (Fits: 2006 Chevrolet ..., Misfire Cylinder 4 P0304. Hello guys I've been having this ongoing issues for a while now, I have a 2004 TB LS 4.2 i6. 118k miles I bought it off an auction , since I have changed the fuel filter , spark plugs (good ones) and coil packs (cheap Amazon brand), oil filter , oil change, new alternator, new serpentine belt, etc. After changing the ..., Chevrolet Trailblazer The Chverolet TralBlazer is a mid-size SUV from the Chevrolet division of General Motors. From 1999, it was an upscale trim line of the Chevrolet Blazer and in 2002 it was introduced as a separate model. The first generation of TrailBlazer had two versions, an extended EXT version, and a performance oriented SS version., Here's how to replace ignition coil on Chevy Trailblazer, should be similar also on other Chevy/GM vehicles.Replacing spark plugs is same as this except you ..., Enginetech Engine Rebuild Kit 02-04 Chevy TrailBlazer Envoy 4.2L DOHC L6 Vortec. Brand New: Enginetech. $698.99. Free shipping. Only 1 left! 2007 2008 2009 Chevy Trailblazer 6.0L V8 VIN "H" LS2 - PREM ENGINE REBUILD KIT. Brand New: Enginetech. $730.00. Free shipping., Jun 12, 2004 · Mileage: 103,930 miles MPG: 14 city / 19 hwy Color: Beige Body Style: SUV Engine: 6 Cyl 4.2 L Transmission: Automatic. Description: Used 2004 Chevrolet TrailBlazer LT with Four-Wheel Drive, Trailer Hitch, Heated Seats, Keyless Entry, Fog Lights, Alloy Wheels, 16 Inch Wheels, Heated Mirrors, and Rear Bench Seat. More. , Alternate Year Models. 2003 Chevrolet Trailblazer Powertrain Control Module. 2005 Chevrolet Trailblazer Powertrain Control Module. Equip cars, trucks & SUVs with 2004 Chevrolet Trailblazer Powertrain Control Module from AutoZone. Get Yours Today! We have the best products at the right price., Buy Now!New Harmonic Balancer from 1AAuto.com http://1aau.to/ia/1AEHB00203For many vehicles, the harmonic balancer not only helps balance the engine, but als..., The tensioner bolt can also be installed and torqued down to 8 ft-lbs. The balancer shaft retaining bolts can be torqued down to 8 ft-lbs as well. The cover that keeps the oil in the engine and protects the rear timing chain can be installed with a new gasket and some silicon sealant and then torqued down to 8 ft-lbs., Research the 2004 Chevrolet Trailblazer at Cars.com and find specs, pricing, MPG, safety data, photos, videos, reviews and local inventory., Turn your Trailblazer's engine on. Then, rock the vehicle with your foot off the brake. Press the brake down when you have rocked uphill. You want to "catch" it with the brake at the right time. This will take pressure off of the parking lock. Apply light pressure to the shifter when doing this., Find 6 used 2004 Chevrolet Blazer as low as $5,000 on Carsforsale.com®. Shop millions of cars from over 22,500 dealers and find the perfect car. ... Engine: 4.3L V6. Drivetrain: 4WD. Days Listed. 31. Price. $1,001 above avg. Mileage. 72,202 miles below avg. DENNIS SMITH AUTO SALES. Amelia, OH., 03-04 EXT, Rainier 5.3L V8 use the LS1 PCM. 05-06 SS, Envoy Saab, Rainier 5.3 or 6.0 use E40/T42 07-09 SS, Aero, Saab, 5.3 or 6.0 use E67/T42 You cannot use your stock PCM, it cannot control any engine except the 4.2L I6. Buy that Suburban setup. You'll need to rewire the harness to work with the 03-04 TrailBlazer 5.3 PCM programming., Here are some of the most common warning signs of a bad timing belt on the Chevy Trailblazer: 1. Engine Won't Start. If your Trailblazer's timing chain or belt has fallen off completely, broken, or has jumped a few teeth, it is entirely possible that the engine won't even start. You might hear it slapping around (broken timing belt or ..., So got a 2004 Chevy trailblazer 4.2 v6 and we have the infamous p0442 which is small Evap leak detected and we know it’s not a gas cap issue because we had s..., Turn the ignition switch off for another 30 seconds. 5. Turn the ignition switch to the "On" position for 11 minutes a third time. 6. Turn the ignition switch off for 30 seconds one final time. 7. Turn the ignition switch to the "On" position one final time and wait 30 seconds. 8., Asked by Cbrooks52 Jun 12, 2020 at 02:30 PM about the 2004 Chevrolet Trailblazer LS 4WD. Question type: Maintenance & Repair. Ok a few days ago I notice my trailblazer was. running a little hot. I found a leak around the. water pump and replaced it. I flushed the. radiator and removed any air bubbles, checked., Your Chevy Trailblazer's ECM (Engine Control Module) is its brain. Just like a human's brain, your Trailblazer can't function without it. It is sometimes referred to as the ECU or PCM. It's all the same thing. The ECM controls and directs your entire drivetrain (unless there is a serrate transmission controller). When an ECM starts., For Chevy Trailblazer 03-05 Exhaust System Swept Side Stainless Steel Cat-Back (Fits: 2004 Chevrolet Trailblazer) Brand New. $643.88. ... 03-04 Trailblazer Envoy V8 5.3L Engine Y Pipe (2) Catalytic Converters (Fits: 2004 Chevrolet Trailblazer) Brand New: MAC. $858.00. Top Rated Plus.