P1299 Diagnostic Trouble Code Discussion for March 2009
Vacuum Leak Present With IAC Valve Fully Seated
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| Help Request | Posted | |
| 2000 Mercury Grand Marquis LS 4.6L Cuts out, Stall, Misfire, MIL Lamp on VIN: 2MEFM75W3Y P1299: Engine over temperature condition reached. This message is part help request and part informational. I hope it helps someone else sometime. The vehicle came in with a misfire/ stalling condition. Whenever it misfired the temp guage(digital)would jump all the way to hot, and when the misfire stopped, ... |
March 03, 2009 | |
| 2004 Jeep Grand Cherokee Overland 4.7L No Start, Cuts out, MIL Lamp on VIN: 1J8GW68J64 P1299: Vacuum Leak Present With IAC Valve Fully Seated. Can anyone enlighten me as to what may be causing this bizzare behavior? Thank you for your time! Engine dies at either idle or open throttle – Cold or Hot. Long crank time before firing up – always a good signal trace from CKP sensor @ PCM. On occasion sets ... |
March 14, 2009 | |
| 2004 Jeep Grand Cherokee Laredo 4.7L No Start, Stall VIN: 1J4GW48N04 P1299: Vacuum Leak Present With IAC Valve Fully Seated. this jeep is driving me crazy!!!car runs great untill it stalls.when it stalls scantool ckp sensor counts continue to count coils continue to fire asd stays on fuel pump continues to run and will not let clear dtc's because it thinks engine is still running!!!... |
March 18, 2009 |
