2007 Chevrolet Chevrolet Silverado 1500 - Answered Questions & Fixed issues
2007 Chevy Silverado 1500 Diagnostic code P0442 repair?
Usually this is a loose or improperly sealing gas cap. The code will clear out (iirc requires 3 starts from cold) or get your local autoparts store to clear it for you. Gas cap is easiest and cheapest thing to try. It can also be a leaky evaporation canister, leaky vacuum hose, leaky fuel filler hose...etc. basically as part of the test cycle it checks to see if the evaporation system holds a specific vacuum for a specific time. Yours failed the test.
Oxygen sensor location
oxygen sensors have a connect close handy to the unit and that wire can be cut or damaged if the incorrect removal tool is used
look for a connecting hanging close by
4.8l, 2wd. What are the probable causes of DTC P0121?
That's an emissions code. It's sucking in too much air. Start with checking for vacuum leaks, air filter may not be sealed, could be idle air control valve, throttle pos. sensor. Many possibilities. Start with the simple stuff, you usually get it from that. good luck.
How would you replace a BCM, Body Control Module
Preliminary Procedure
Remove the knee bolster. Refer to Knee Bolster Replacement
1
Body Control Module
Tip
- Remove the BCM cover.
- Disconnect the electrical connectors.
- Press on the tabs to release the body control module.
- If a replacement module is installed, program the module. Refer to Control Module References .
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A new body control module (BCM) must be programmed with the latest operating software and vehicle calibrations. Ensure that the following conditions exist in order to prepare for BCM programming:
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The battery is fully charged.
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The ignition switch is in the ON position.
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The data link connector (DLC) is accessible.
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All disconnected modules and devices are connected.
Programming the BCM
Important: The vehicle will not start and many other functions may not operate properly if a replacement BCM is not properly set up. The following procedures must be followed:
- Programming the BCM
- Learning the restraints ID
Important: After the procedure is completed, the personalization settings of the BCM are set to default settings. Inform the customer that the personalization must be set again.
Refer to Service Programming System (SPS) for more information
Codes P0191,P069E
P0191 is injector pressure sensor system performance. Nothing on the other code with the letter mixed in. I would erase it and see if it comes back.
What does it mean when my truck sputters when I accelerate?
Probably needs a tune up. plug wires, spark plugs, distributor cap and rotor. Also change the air filter and fuel filter and crank case filter as well as PCV valve (positive crankcase ventilation valve) this valve scavenges harmful acid deposits or blow by and reburns it and sends it out the exhaust pipe. Examine everything before you buy new if the plugs look good just reset the gap if the wires look good move on to the cap and rotor. you can find images on the internet to look at to compare condition of most parts at least just by look. if that does not do the trick you may have to take it to a mechanic. be sure you tell them all you have done. start with plugs cap and rotor then fuel filter. Check the air filter if you cannot see light through the paper element replace it for sure. the sputter can indicate not enough fuel or insufficient spark to ignite the fuel.
spark plugs can do wonders if they have not been changed for a long time. the fuel/combustion deposits rob the spark from jumping the gap which ignites the fuel under higher cylinder pressures. when the spark travels directly to ground without jumping the gap the cylinder makes no power.
Vibrationg and grinding in rear end when turning
If it is a limited slip rear end, it is trying not to slip as you corner and may be grinding itself to death. It can be caused by low oil, water in the oil, dirt or misalignment. You should have the correct fluid on hand before taking off the cover to see how much damage you have.
Oil pressure stuck at zero
Most likely cause is the IPC is faulty. The only fix is replacing it. Dorman offers them pre programmed for around 300 bucks.
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