Jul 08, 2014· Bank 1 and 2 reference a V type engine where there would be two exhaust manifolds. The Vortec 4200 Inline 6 cylinder engine hence has one exhaust manifold and the Oxygen sensor is mounted there.
Im trying to replace the coolant temp sensor on my 07 trailblazer lt ive looked at past posts on this site that say it is just above the thermostat but its not there from what I can tell its on the back of the motor on the passanger side any ideas how the best way to change this would be very helpful reason for replacing is im have a problem with the idle jumping while parked or sitting ...
Depending upon whether the exhaust gas is lean (high in oxygen content) or rich (low in oxygen content), the amount of fuel entering the engine is adjusted by the engine management computer to try and maintain an ideal mixture that produces the lowest emissions output from the catalytic convertor. ... Trailblazer 2002 Oxygen Sensor ...
Replacing a coolant temperature sensor as a possible cause for an OBDII code P0128 on a 2004 Chevy Trailblazer with Vortec 4200 engine, also referred to...
This comes up on the forum from time to time. A no power/no code symptom would lead someone to do this for watching and subscribe for more repair...
Jul 02, 2008· trailblazer: temp sensor..mass air flow..air flow sensor..pipe. The air intake temp sensor on your trailblazer is intergrated into the mass air flow sensor. This is the electrical sensor on the air intake pipe near the air cleaner housing. Feel free to contact me … read more. Carhelp4u. GM Service Training.
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CHEVROLET > 2002 > TRAILBLAZER > L6 > Exhaust Emission > Oxygen (O2) Sensor. Price: Alternate: No parts for vehicles in selected markets. ... {15129, 15696} Bosch Engineered Oxygen Sensor . Downstream. BOSCH . : : : Alternate: Quantity: Add to Cart. DENSO {Click Info Button for Alternate/OEM Part Numbers ... Trailblazer ...
The variable valve timing camshaft actuators may stick due to dirty engine oil or a faulty control solenoid. A sticking actuator may cause a rough idle and the check engine light to illuminate. Our technicians tell us the engine oil should be checked to make sure it is clean and at the proper level before replacing any parts to correct this concern.
Aug 29, 2011· 2002 Chevy Trailblazer,2WD,92K miles. My gas mileage is ridiculously poor. ... Fuel level sensor issues are not uncommon for the 2002 Chevrolet Trailblazer. That however should not affect your actual fuel mileage. ... 2002 Chevrolet Trailblazer Estimates. Exhaust Manifold Replacement (501 577) in Tempe, AZ. Find a Shop.
Replacement Parts. Chevrolet TrailBlazer. Oil and Chemicals. Chevrolet TrailBlazer. Paint and Body. Chevrolet TrailBlazer. Tools and Equipment. Chevrolet …
Apr 02, 2002· I have Chevy Trailblazer 2002 V6 Engine I own an ODB II Device an get 2 errors p340 and o2 sensor misfire etc; The car was stalling and sometime would switch off in idle I cleaned the throttle, change the camshaft sensor,O2 sensor cleared the errors but still from time to time the check engine lights appears and disappears. sometimes i open fuel tank cover …
A damaged or cracked exhaust manifold in your 20022005 Chevy Trailblazer can cause an exhaust gas leak under the hood. The manifold on your engine is fairly accessible and you can perform this repair job in your garage with the right tools.
3 2 Exhaust gas recirculation system flow problem 3 3 Front left O2 sensor 3 4 Knock sensor 3 5 Exhaust gas recirculation temperature sensor 3 6 EGRCBPT valve 3 7 Closed loop control 3 8 Closed loop control 4 1 Air intake temperature sensor 4 2 Fuel tank temperature sensor 4 3 Throttle position sensor
When you set off an adventure in your Trailblazer, whether across town or crosscountry, it''s comforting to know that you get the most from your fuel while producing the fewest emissions. A new O2 sensor for Chevrolet Trailblazer facilitates this by monitoring oxygen levels in your exhaust and forwarding information to your engine''s computer.
Jan 22, 2019· The fuel injection computer on your 20022005 Chevrolet TrailBlazer or GMC Envoy uses the signal that the camshaft position sensor produces (in conjunction with the crankshaft position sensor signal) to: Control the camshaft actuator solenoid. Identify the compression stroke of each of the six cylinders.
Jul 06, 2009· OK, What you need to change is the mass air flow sensor and the air cleaner. andy granatelli mass air flow sensor, air raid after market air cleaner system. this will give you better mileage and horse power to start with. then i would go with a hi flow catiletic converter and new exsaust. all together you should see about 25 to 50 horse power differance and 20% better …
Chevy Trailblazer / Trailblazer EXT 2002, Performance Module by JET®. Dynamic Spectrum Tuning provides power gains across the entire power bandnot just at full throttle. ... Universal EAS™ Exhaust Gas Temperature Sensor by Edge®. The EAS Data Logging Kit is specially designed for those truck owners who have turbo or engine modifications ...
May 31, 2019· Chevy Trailblazer: Bad O2 Sensor → Symptoms and Causes. Oxygen sensors play a vital role in both engine management and emissions control. When an O2 (oxygen) sensor go bad, it’ll cause your Chevy Trailblazer ‘s engine to run less efficiently. Your Trailblazer can exhibit symptoms when the Oxygen sensor has gone bad.
Air Temp Sensor. , central port injection, 199495. Bonneville, LeSabre. Impala, Monte Carlo. 6 cylinder, 199802. 8 cylinder, 199802. 199498 6 cylinder.
Aug 23, 2016· The Exhaust Gas Temperature sensor is a thermistor element fixed in cement to protect from vibration and housed in stainless steel to withstand extreme temperatures of up to 900°C. Changes in temperature result in changes in resistance of the sensor and this is communicated to the ECU as a voltage.
The location of the camshaft position sensor on a 2002 Chevy Trailblazer depends on the vehicle''s engine type. A Trailblazer with a sixcylinder engine has the sensor located on one of the cylinder heads, while a V8 engine has the sensor mounted on the engine block. The procedure for removing and installing a ...
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