Locate small single wire connector about 2 inches behind
the 16 pin OBD II connector on the same harness. With
ignition off ground the single wire, then turn the ignition
to the run position. At this point momentarily un-ground
and ground this wire 5 times in ten seconds. If done
successfully the TPMS lamp will start to flash, remove
jumper wire […]

If you have a rear wiper that sometimes/never works (and the rear windsheild washer works) and is getting power/ground but doesn’t want to move, it’s the Alarm and Relay Control Unit.  It’s not commanding the motor to come out of park so it just binds up the motor.  Replace the unit and allow the motor […]

The engine stalls immediatly after starting. Key on, engine running test shows PO505. IAC was replaced twice, but did not fix. First make sure you have power on both the red & white/light blue wires, key on engine off. If you do then have someone start the car and keep running at low idle speed. […]

This vehicle is a ‘05 Chevy Classic “Malibu”. Customer complaint was an intermittent ABS light coming on. Test drove vehicle & noticed quite a fluctuation in the right front wheel speed sensor readings-showed 23 mph while driving in shop parking lot @ 8 mph. Suspected faulty sensor even though vehicle had low mileage. Tested hub […]

Vehicle came into shop with MIL glowing and a P0136. I tested the resistance on the heater circuit of the 02 sensor. It tested fine at about 8ohms. I decided to wiggle the harness on the 02 to be sure and thats when it went hay wire. Resistance flickered from 4ohms - 50ohms and then […]