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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.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 ...I have an 08' Trailblazer with a 4.2l Vortec engine in it that went out and I managed to locate an 04 engine. Well I swapped this motor in and everything except the PCM. ... A forum community dedicated to Chevy Trailblazer and GMC Envoy owners and enthusiasts. Come join the discussion about performance, modifications, …My 2004 chevy trailblazer is skipping and sputtering badly. Also, the service engine light stays on. 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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. ...Front Engine Cover Bolt Spacer. 12567157. GM. Front Cover Spacer. 4.2L. 3.5 & 3.7L. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors. MSRP $5.75. $3.66.The TrailBlazer feels underpowered with its inline six-cylinder engine, but it offers a compliant--if somewhat jiggly--ride. Handling is ungainly, with excessive body lean and slow steering.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. 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The standard engine in most Chevy Trailblazer trims is a 4.2L Vortec V6, which struggled early on but became a solid motor.The P0301 trouble code will trigger your Trailblazer's check engine light. The vehicle itself may begin to run rough. It depends on how serious the misfire is. The vehicle may produce excess vibration, especially at lower RPM. Fuel mileage may suffer. You may smell raw gas coming from the tailpipe.The LM7 5.3 Vortec engine has aluminum cylinder heads with an iron block and runs on gasoline. It has a 9.5:1 compression ratio and the heads use the LS-style cathedral intake ports and oval exhaust ports, with 1.89" intake and 1.55" exhaust valves. The LM7 uses two different camshafts.Two Engines, Three Cylinders. The base engine on the 2023 Chevy Trailblazer is a 1.2-liter EcoTec Turbo I-3. This comes paired with a continuously variable transmission (CVT) and is the standard engine on the Trailblazer LS and LT models. 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There is a noticeable metallic clunk from the transmission during a light to medium 3-2 ...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.2004 Chevrolet TrailBlazer Harnesses. 3 items. 2004 Chevrolet TrailBlazer Head Lights Assembly. 6 items. 2004 Chevrolet TrailBlazer Headlight Bulbs. 11 items. 2004 Chevrolet TrailBlazer HID Kits. 11 items. 2004 Chevrolet TrailBlazer Tail Lights (Altezza Style)Press the GAS pedal 3 times. After that, when all your lights light up and then you're going to step on the Gas/Accelerator pedal to the floor three times within five seconds and that will reset the maintenance minder light to a hundred percent. Turn the ignition off and then start the engine to verify the indicator has been reset.1. Service Engine Soon Light. The check engine light is one of the most common symptoms of bad Coil Packs. More often than not, your engines computer will be able to detect bad Coil Packs in your Trailblazer. There are several misfire related trouble codes. P0300 - this trouble code indicates that there is a random misfire.P0410 Symptoms: Chevy Trailblazer. Nearly all of the time, the only symptom of P0410 in the Trailblazer is going to be the service engine soon light. Otherwise, you may hear the bad pump trying to work (like an empty wiper/washer, usually more faint sounding). Vary rarely, it can cause some hesitation on acceleration.Used & Remanufactured Chevrolet Trailblazer 2007 Engines for Sale. Plus, Up to a 5-year Warranty & Flat Rate Shipping (Commercial address)! ... 2007 Chevrolet Trailblazer Engine Options:5.3L (VIN M, 8th digit, opt LH6) Used: $2,512.00. Remanufactured: $3,405.00. 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All 2004 Chevy Trailblazer repair parts on offer are designed to provide high quality, performance, and long-lasting service life at an economical price. Popular Parts.Posted on Mar 14, 2009. SOURCE: 1998 Chevy s10 4 cylinder running rough. 1- check there is spark come from spark wires. 2- check the fire timing by looking for every wire in the right place. 3- check there is injector signl. 4- check for any vacuom leak. 5- try to clean the MAF by brake and parts cleaner.2004 Chevrolet Trailblazer 4.2L PCM ECM ECU Engine Computer. $185.00 $370.00 50% Off. Exact fit for: Year: 2004. Make: Chevrolet. Model: Trailblazer.P0410 Symptoms: Chevy Trailblazer. Nearly all of the time, the only symptom of P0410 in the Trailblazer is going to be the service engine soon light. Otherwise, you may hear the bad pump trying to work (like an empty wiper/washer, usually more faint sounding). Vary rarely, it can cause some hesitation on acceleration.grahamgl Discussion starter. 2 posts · Joined 2009. #1 · Nov 10, 2009. My vehicle's engine started surging a month ago. At speeds between 40 and 70, when holding a steady speed, the RPM will jump up and down by 100-300 RPMs, making the car seem to surge back and forth at a frequency of one jump every second or two.I have an 08' Trailblazer with a 4.2l Vortec engine in it that went out and I managed to locate an 04 engine. Well I swapped this motor in and everything except the PCM. ... A forum community dedicated to Chevy Trailblazer and GMC Envoy owners and enthusiasts. Come join the discussion about performance, modifications, …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! 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