P1398 Diagnostic Trouble Code Discussion for December 2005
Misfire Adaptive Numerator At Limit
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| Help Request | Posted | |
| 1997 Jeep Cherokee Country 4.0L MIL Lamp on VIN: 1J4FJ78S5V ... to bad but was at a body shop !!! so it came in for a high idle tested no codes, was idleing at 2000 rpm so performed a iac test could not comand a higher idle so looking to the iac as beening stuck , did all the normal stuff pound on ti with a big hammer ... |
December 16, 2005 |
