This 2008 Chevrolet Silverado came in with the complaint that the cruise control would not work. Since I have a Tech 2 scan tool I decided to look for codes first. There was a PCM code P0573 stored for the “Brake Switch Circuit 1 High Voltage”. Simply put the computers think that the brake lights … Continue reading “2008 Chevrolet Silverado, Cruise Control Does Not Work, P0573”
This 2004 Jeep Grand Cherokee came in with the complaint that the engine would buck and jerk and sometimes stall. There was a code P0122 stored and the TPS had already been replaced in an attempt to repair this vehicle. The customer stated that the oxygen sensors and the crank position sensors had also been … Continue reading “2004 Jeep Grand Cherokee , Code P0122 Set, Runs Poorly Sometimes”
This 2002 Ford Explorer came in with the complaint that the engine would run poorly or not at all. The customer stated that he was able to start the engine only after installing a new set of spark plugs. There were multiple codes stored in the PCM; P0113, P0123, P0453, P0708 and P1289. Some of … Continue reading “2002 Ford Explorer, No Run / Poor Run Condition”
This 2000 Cadillac Deville Came in with the complaint of running poorly and a code P0102 was present. The customer had already replaced the MAF (mass air flow) sensor and tried to replace the harness connector. Why anyone would consider this a repair is beyond me. Looking at MAF data, the grams per second and … Continue reading “2000 Cadillac DeVille, Runs Poorly Code P0102”
This 2001 Cadillac Deville came in with the complaint that the driver’s side vent temperature stays hot all of the time. I checked codes in the instrument panel module and found a code B0408 stored for a fault in the air mix one actuator. With the B0408 code the problem could have easily have been … Continue reading “2001 Cadillac Deville, Driver’s Side Air Stuck, B0408”
This 2002 Isuzu Rodeo with a 3.2 liter V6 engine came in with a flashing check engine light and a complaint of skipping. There was only a general misfire code P0300. I hate general misfire codes. I cleared the code and ran the vehicle under load to induce the misfire. After a few minutes the … Continue reading “2002 Isuzu Rodeo, P0302”
This 2006 GMC Yukon came in with the Service Engine Soon (SES) light on and a code P0449 stored in the PCM memory. This test should be done on the vehicle but I could not figure a way to o the test and position everything for a good picture. So you will just have to … Continue reading “2006 GMC Yukon, P0449”
This 2004 Chevrolet Silverado came in with the complaint that the air only blows through the defrost and will not blow out of any other location. There were codes B0263 and B3770 stored in the HVAC module. The codes refer to mode actuator faults. To access the actuator, the driver’s side heater floor vent extension … Continue reading “2004 Chevrolet Silverado, Changing The Mode Actuator”
This 2006 Pontiac G6 came in with the SES light on and code P0449 stored. There was also a symptom code of 00 present. The canister vent solenoid is located at the right rear of the fuel tank. On the top side. You can barely see the red connector with the blue retainer. Click on … Continue reading “2006 Pontiac G6, P0449”
This 2004 Toyota Camry was towed in with the complaint that the engine would run but it would only idle. The alternator had failed and after the alternator was replaced the condition developed. The “Check Engine” light was on so I checked codes. P0113, “Intake Air Temperature Circuit High Input” and P2118 “Throttle Actuator Control … Continue reading “2004 Toyota Camry, Engine Speed Will Not Accelerate Past Idle”