Pontiac Automotive Repair Questions

Pontiac Cars and SUV's.

Here is a list of auto repair questions and answers.

Click on your model to read the articles.

Articles being added all the time.

Subcategories

Latest Articles

Crown Vic ECM Location P0112 ...

Can you please tell me where the PCM is located on a 1997 ...

Ford Focus Gear Shifter ...

So I Have A ford Focus 2009 and the other night I got a ...

2001 Chevy Malibu ESC Code

Have a 2011 Chevy Malibu my wife was telling me the code ...

Chevy Malibu TPS Low Voltage ...

2000 Malibu 3.1l shows TPS low voltage code. I replaced the ...

Chevy Impala Thermostat Was ...

i have 2005 Impala the thermostat was stuck to where it ...

How Things Work

Traction Control Light- What Does It Mean

When wheel slip is noted while the brake is not applied, the ABS Computer-(EBCM) will enter traction control mode.

First, the EBCM requests the PCM to reduce the amount of torque to the drive wheels via the requested torque signal circuit. The PCM reduces torque to the drive wheels by retarding spark timing and turning off fuel injectors. The PCM reports the amount torque delivered to the drive wheels via the delivered torque signal circuit.

Read more...

Common Engine Codes

Idle Air Control Valve Engine Light Codes

P0506 - P0507
The idle air control (IAC) valve is located in the throttle body of the SFI systems. The IAC consists of a movable pintle, driven by a gear attached to an electric motor called a stepper motor. The IAC valve motor is a two phase bi-polar permanent magnet stepper motor that is capable of highly accurate rotation, or movement, every time the polarity of a winding is changed.

Read more...