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View Full Version : Mustang fuel injection help


Doug Krebs
10-04-2005, 06:48 PM
Background info...

1991 5.0 5 speed

My middle brothers mustang is having an idle problems. When he starts it up it's fine for a second and then jumps to ~2000 RPMs. Sometime's it corrects itself, sometimes it has to warm up first. He says sometimes between shifts it does the same thing. I guessed IAC or the equivlant on a ford. I'm about to start researching mustang boards, anyone got a suggestion?
jerryg79
10-04-2005, 07:22 PM
Ron cant help?
Doug Krebs
10-04-2005, 07:51 PM
Ron cant help?

That would require talking to ron!
KrazyKarl02
10-04-2005, 07:53 PM
Jeremy had a similar problem, there was some air bleed in the throttle body, I think he took the throttle body out and just cleaned the piss out of it with carb cleaner.
Doug Krebs
10-04-2005, 07:54 PM
thats what i told him to do, just clean it with some carb cleaner
mudtoy67
10-04-2005, 08:20 PM
I had a very similar problem on my truck. Replaced the TPS. I think Austin did this too. They're not exactly the same but it's worth a shot. And if that doesn't work...




shoot fireballs at it!
http://www.portersfireworks.com/images/TRI%20PACK%20CANDLE.JPG
TxCruzr
10-04-2005, 09:07 PM
Oh come on man. You got no lady fingers, fuzz buttles, snicker bombs, church burners, finger blasters, gut busters, zippity do das, or crap flappers?
BMFScout
10-04-2005, 09:40 PM
Just call Flem, he hasn't been on here in awhile. He is the answer, he has experienced every problem on a 5.0 imaginable!
fbronco86
10-05-2005, 07:44 AM
sounds like the TPS sensor is going crazy.
Graystroke
10-05-2005, 07:55 AM
wasn't there a memo on TPS reports? did you not get the memo?