Question about 2001 Pontiac Firebird
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Posted on Jan 02, 2017
P0125 sets when engine coolant temp does not reach temperature for closed loop operation within a set amount of time.
May be a faulty sensor or thermostat.
P0420 Is related to a faulty rear 02sensor.
P1518 PCM & TAC module communication detected missing or invalid serial data.
If TAC related repair has been done, clear DTC & recheck system. It may be necessary to preform clear codes function twice to clear this DTC.
make sure starting system & charging system are functioning properly. Low voltage can cause this DTC to set. This should help. Let me know how its going.
Posted on Apr 27, 2010
SOURCE: 1999 ford windstar code P1518
This code means the intake manifold runner is stuck open either from a faulty actuator on the intake or the valves plates are gunked up unable to move,
Posted on Jul 19, 2010
P0601 means your engine computer has an internal error; P0606 means that the engine computer has stored in memory exactly the running condition( much like a "black box") that the vehicle was in when the P0606 was triggered. P1518 also relates to the PCM in the matter of low voltage.
Try testing the battery as improper voltage can cause all of these codes. Otherwise it means that your PCM has failed and either needs to be reprogrammed or replaced.
Posted on Nov 01, 2010
P0170 and P0173 means that the system tried to go outside of the fuel trim limits.
Now this can be usually caused by a bad mass airflow sensor, but there's number of other reasons why the engine cant stay with predefined fuel trim limits. There might be an unmetered air in the system, an injector could be faulty, lambda probes might have shifted charactereistics...indeed, in most cases it's the MAF itself, but careful - i've got some returning customers after "quick and dirty" diagnosis of faulty airflow senso
Posted on Mar 09, 2011
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