need help with codes - Engine ODB2 Fault Codes


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need help with codes

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Auto Repair Home>> Automotive Repair>> Engine ODB2 Fault Codes

isildoor
New User

Oct 5, 2011, 9:25 AM

Post #1 of 5 (3287 views)

need help with codes

I have a 2000 ford windstar 3.8l sel recently got diagnoses and codes showed up as this
p0171 system lean
b1 p0174system lean
b2 abs c1185 power relay output fault
c1198 left front solenoid valve coil circuit fault
c1198 left front dump out valve coil fault
right rear,left rear,and right front
After getting these diagnoses which are chinese to me i kept driving as usual but now everytime i stop at a red light the engine revs up and down and eventually stalls. what do i do?????

zmame
Veteran / Moderator
zmame profile image

Oct 5, 2011, 3:45 PM

Post #2 of 5 (3247 views)

Re: need help with codes

Both of your p0171 and 0174 would indicate a lean condition. I would start out by checking for vacuum leak under the hood. If no obvious leaks are found I would get a fuel pressure gauge from a loan-a-tool program at your local parts store. Test the fuel pressure engine running 30-44psi, key on engine off 34-44psi.

Your ABS codes are more then likley your ABS module.

Blulakr
User

Oct 10, 2011, 10:01 PM

Post #3 of 5 (3205 views)

Re: need help with codes

Have someone check for service bullitens on your codes. Very common problem is upper intake manifold leaks. They use rubber gaskets that leak during warmup causing a lean condition but seal up when the engine is fully warm making diagnosis difficult.

Bigdaddy63
Novice

Nov 11, 2011, 7:05 PM

Post #4 of 5 (3064 views)

Re: need help with codes

Hello,
We have a 2000 Lincoln LS w/ a 3.9. The temp gauge went to H and we pulled into Autozone. The car cooled down and the guy said it was a 1229 code. Is this anything that you have heard of. He said that it could be air in the coolant lines or maybe a thermostat. He didn't have a clue nor do I. Can you kind of give me a little information on this. Is it common in the 3.9 Lincoln motor?
I really appreciate any help!
Bill
Ohio

Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Nov 11, 2011, 7:15 PM

Post #5 of 5 (3059 views)

Re: need help with codes

If you need help, please start a new question of your own.

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