Where is the smoke test on a trailblazer?
Where is the smoke test on a trailblazer?
This is located on the rear inboard side of the tank near the rear axle and drive shaft. Gently remove the wire and test the solenoid with the voltmeter to make sure it is working. If the Check Engine light remains lit after all of these checks then you may need to have the entire emission system checked for leaks by a “smoke test.”
Why is the Check Engine light on on my Trailblazer?
It’s amazing how a small light on your instrument panel can ruin your day. Your Trailblazer is running fine then the “Check Engine” light appears. The list of causes can make your head spin.
How can I tell if my Trailblazer has an EVAP leak?
The most common are for leaks. P0440, P0442, P0455, P0456 and P0457 are among the most common EVAP codes, each indicating a different size leak or sensor malfunction. There is the possibility that the fuel cap was simply left off after refilling. Visually inspect the gas cap for any cracks or worn rubber seals.
What does the p0442 code on powertrain mean?
The P0442 code indicates that there is a small leak in the EVAP system, but this is somewhat misleading. What the code really indicates is that the EVAP system will not hold a specified level of vacuum for a specified amount of time when it performs its leak test. Here is how the evaporative leak test is performed by the Powertrain Computer:
What does the code p0442 on a Chevy Trailblazer mean?
P0442 is an OBDII trouble code. The code technically stands for: The EVAP system captures all fuel vapor from the fuel tank and sends them to the engine’s intake in order to be ignited in the normal combustion process. When the Chevy Trailblazer’s computer detects that the EVAP systemic not holding any pressure, it will throw the P0442 code.
What is the trouble code on my Chevy Trailblazer?
One of the most common trouble codes with the Chevy Trailblazer is the P0442 code. This code number references a number that is given to you when you plug your truck into a OBDII scanner.
Is the Chevy Trailblazer Stomp the gas or crank the engine?
If you’re old enough to have driven a carbureted vehicle, the old stomp the gas and crank the engine method does actually help start the Trailblazer. Other than the difficulty in starting, the P0442 doesn’t seem to cause any other problems (at least in the short-term). You may also smell gas when driving. P0442 is an OBDII trouble code.
How much does it cost to repair a p0442 Chevy engine?
The cost to diagnose the P0442 CHEVROLET code is 1.0 hour of labor. The auto repair’s diagnosis time and labor rates vary by location, vehicle’s make and model, and even your engine type. Most auto repair shops charge between $75 and $150 per hour.
