Need Some Help On A Trouble Code.

[94m5]

MIKE is out in colorado and had a code popup that he wanted me to find out about. the code is T1151. he is driving the 98. i just got back from ordering the 98 manuals. should have them in about 10 days. but until then will be in the dark on codes. jd

 

[Moes8]

you meant p1151,,,right?

i hope so,here ya go,thats all i know,

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P1151 OBD Trouble Code
Technical DescriptionLack of HO2S-21 Switch, Sensor Indicates Lean

What does that mean?A Heated Exhaust Oxygen (HO2S) sensor indicating lean at the end of a test is trying to correct for an over-rich condition. The test fails when the fuel control system no longer detects switching for a calibrated amount of time.

SymptomsYou will likely not notice any drivability problems.

CausesA code P1151 may mean that one or more of the following has happened:

Electrical:
Short to VPWR in the harness or HO2S
Water in the harness connector
Open/shorted HO2S circuit
Corrosion or poor mating terminals and wiring
Damaged HO2S
Damaged PCM
Fuel System:
Excessive fuel pressure
Leaking/contaminated fuel injectors
Leaking fuel pressure regulator
Low fuel pressure or running out of fuel
Vapor recovery system
Induction System:
Air leaks after the MAF
Vacuum Leaks
PCV system:
Improperly seated engine oil dipstick
EGR System:
Leaking gasket
Stuck EGR valve
Leaking diaphragm or EVR
Base Engine:
Oil overfill
Cam Timing
Cylinder compression
Exhaust leaks before or near the HO2S(s)

 

[JDS353]

Thanks Moes. I know what he did to get it now. could have over filled the tank on a fillup. will have to call him and let him know. you are correct on the p. hearing has gone way south for me, jd