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 1997 Cadillac Deville came in with the complaint that the idle speed would sometimes be okay but most of the time as the engine warmed up it would get progressively higher and higher until the engine would run at about 3000 rpms on its own with no throttle input. The following picture shows the … Continue reading “1997 Cadillac Deville, Erratic / High Idle, Code P0507”
This was not a particularly difficult problem but I thought it was interesting. Engine would die out on acceleration and felt like it was running out of fuel. Customer said it happened all of a sudden. Checked fuel pressure at service port located at rear of throttle body. Fuel pressure was at 5 – 6 … Continue reading “1985 Cadillac Fleetwood Brougham Low Fuel Pressure”
2000 Cadillac Deville with 4.6L engine was sent to my shop for surging idle. The engine has been changed. The IAC valve, TPS and MAP have been replaced with oem parts. The IAC valve harness connector did have the terminals spread and there was poor contact between harness connector and IAC valve. Replaced the connector … Continue reading “2000 Cadillac Deville, 4.6L, Surging Idle and Stalls”