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Joined: Aug 2004
Posts: 58
CEG\'er
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OP
CEG\'er
Joined: Aug 2004
Posts: 58 |
I woke up this morning to go to work and my 98 CSVT will start but wont idle? I have the P1131 code at present, but never had this problem before. Battery seems fine. When it starts i have to keep pumping the gas for it to stay on, when i let off it just dies. No strange knocks or other noises coming from the engine bay? Please help...
98 Black Contour SVT, #2386 of 6535
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Joined: Dec 2001
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Hard-core CEG'er
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Hard-core CEG'er
Joined: Dec 2001
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P1131 Lack of Upstream Heated Oxygen Sensor Switch - Sensor Indicates Lean - Bank No. 1.
seems that you might need a new O2 sensor but that shouldn't have anything to do with the engine idle
I would check the IAC to start
- 95 Mystique LS - Zetec/5spd
- 99 Contour SeVT Sport - Duratec/5spd
Official NE-CEG Contour/Mustang Family
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Joined: Sep 2002
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Hard-core CEG\'er
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You can try cleaning the IAC, but be prepared to replace it if cleaning does not fix the lack of idle control.
The P1131 is not related to this symptom.
Steve
98 Contour SE Sport 2.5 Duratec ATX The wifey's car
89 Taurus SHO - 246K miles
94 SHO ATX - 190K
1997 F-150 5.4L ATX - The Workhorse 150K.
ANY THREAD WITH "OMG" or "WTF" ETC IN THE TITLE WILL BE IGNORED!
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Joined: Aug 2004
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I called up a few auto parts stores and found AutoZone has an IAC valve for $37. So i called up Ford and they said they can order one for $110, part #9F715. I am not sure the autozone valve is correct. anybody know where to get one cheaper? i read a few posts on here saying these valves are not meant to be cleaned?
98 Black Contour SVT, #2386 of 6535
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Plenty of people have cleaned IACs and used them with no issues. Clean it, let it dry thoroughly and see what happens.
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Joined: Aug 2004
Posts: 58
CEG\'er
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I cleaned the IAC valve today with B-12 and a fine paint brush. It looked pretty dirty, but wasnt horrible. Also, cleaned MAF and TB. Put everything back together and she idles fine. Just curious, how important is it to line up the larger holes on the IAC gasket when re-installing? It has a little bit of play and when both bolts where back on i couldnt tell how centered it was. I took the car out for a test drive and it seemed just ok. I noticed a slight lag in powerband. Will it take the computer a little while to adjust? Thanks for the help...
98 Black Contour SVT, #2386 of 6535
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" Just curious, how important is it to line up the larger holes on the IAC gasket when re-installing? It has a little bit of play and when both bolts where back on i couldnt tell how centered it was. I took the car out for a test drive and it seemed just ok."
If it is not leaking, you should be fine. If it is leaking, you will know (crappy idle again).
"I noticed a slight lag in powerband. Will it take the computer a little while to adjust?"
Yes, give it a day or two.
"Always do the cheap and easy ones first."
1996 V6 ATX 96K miles
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