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Author
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Topic: Surge Demons are Attacking Me!!
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StreetStang37
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Member # 935
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My car has never idled quite right since I got the h/i/c. Every so often I would need to gas it just slightly if it surged and it would correct itself and idle right. Then starting a couple days ago it will idle like **** about 40% of the time and even slightly gassing it wont save it. Almost like its better to just let it die and start it up when the light turns green otherwise everyone will think im revving at them. ITS REALLY ANNOYING!! Everything is 100% when Im moving though, no problems, runs strong. Its just the damn idle! As for codes, engine off its a perfect 11, and when it idles right another 11, but when it idles like **** it doesnt run long enough to do the test. Any solutions?
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1993 Grabber Blue Mustang GT
Trick Flow Heads, Street Heat intake, 3/8in spacer, E303, TFS 1.7rr & 6.75 pushrods, Holley 190lph fuel pump, 24# injectors & sample tube, SVO timing chain, Aeromotive AFPR, 180* t-stat, 2 5/8 Auto Meter mech fuel pressure gauge, K&N, March Ram Air & Pullies, Black Magic Electric Fan, 73mm C&L MAF, Edelbrock 65mm TB & EGR, 1 5/8in Equal Length Super Competition Hooker Headers, 2 1/2in H-Pipe w/hi-flow cats & Flowmaster 2 1/2in Cat-Back Exhaust, FlowTech Cut-Outs, Nitto DR's, 3.73 gears, FMS Aluminum DriveShaft, Pro 5.0 Shifter, Pro-Shift Lite, 9mm FMS Plug Wires, PowerSlot rotors, PowerMaster 140amp Alt., LX lights, Cobra R hood w/SVO scoop, Saleen spoiler, Cobra Bumper, MaCh1 paint scheme, 3in chrome tips
Posts: 88 | From: San Jose CA | Registered: Feb 2002
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SlowFiveOh94
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Member # 2404
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posted
I dont know a damn thing about fixing cars...but on my 94 5.0 it would idle like shit for a long time and I didnt even have mods. I got a diagnostic on it and everything was fine, but the guy said my mass air meter was dirty so he cleaned it and it was back to normal. I'm not making any promises but its somethin to check out
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2001 Mustang GT (Faleen Speedster)
Posts: 1184 | From: Sacramento | Registered: Feb 2003
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SlowFiveOh94
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Member # 2404
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I dont know a damn thing about fixing cars...but on my 94 5.0 it would idle like shit for a long time and I didnt even have mods. I got a diagnostic on it and everything was fine, but the guy said my mass air meter was dirty so he cleaned it and it was back to normal. I'm not making any promises but its somethin to check out
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2001 Mustang GT (Faleen Speedster)
Posts: 1184 | From: Sacramento | Registered: Feb 2003
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Stimson
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Member # 51
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posted
What is your TPS setting at?
Posts: 2373 | Registered: Jun 2000
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StreetStang37
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Member # 935
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posted
I'll try cleaning the MAF again, did it a couple months ago. TPS is at .85. Anyone have an extra IAB?
[ March 01, 2003, 09:10 PM: Message edited by: StreetStang37 ]
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1993 Grabber Blue Mustang GT
Trick Flow Heads, Street Heat intake, 3/8in spacer, E303, TFS 1.7rr & 6.75 pushrods, Holley 190lph fuel pump, 24# injectors & sample tube, SVO timing chain, Aeromotive AFPR, 180* t-stat, 2 5/8 Auto Meter mech fuel pressure gauge, K&N, March Ram Air & Pullies, Black Magic Electric Fan, 73mm C&L MAF, Edelbrock 65mm TB & EGR, 1 5/8in Equal Length Super Competition Hooker Headers, 2 1/2in H-Pipe w/hi-flow cats & Flowmaster 2 1/2in Cat-Back Exhaust, FlowTech Cut-Outs, Nitto DR's, 3.73 gears, FMS Aluminum DriveShaft, Pro 5.0 Shifter, Pro-Shift Lite, 9mm FMS Plug Wires, PowerSlot rotors, PowerMaster 140amp Alt., LX lights, Cobra R hood w/SVO scoop, Saleen spoiler, Cobra Bumper, MaCh1 paint scheme, 3in chrome tips
Posts: 88 | From: San Jose CA | Registered: Feb 2002
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JoeT
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Member # 298
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posted
you sure you don't have a vacuum leak?
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1984 Ford Tempo AOD--- RIP
Posts: 6785 | From: San Jose | Registered: Jun 2001
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StreetStang37
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Member # 935
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posted
checked. no vacuum leaks. pulls about 12" of vacuum @ idle.
Posts: 88 | From: San Jose CA | Registered: Feb 2002
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StreetStang37
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Member # 935
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posted
I reset the TPS at .95 and the car idles like before (good most of the time). Im pretty sure my IAC/IAB isnt working, I unhooked it when it was idling and it didn't change the idle at all. Anyone have an extra IAB/IAC I can have/borrow/buy to see?
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1993 Grabber Blue Mustang GT
Trick Flow Heads, Street Heat intake, 3/8in spacer, E303, TFS 1.7rr & 6.75 pushrods, Holley 190lph fuel pump, 24# injectors & sample tube, SVO timing chain, Aeromotive AFPR, 180* t-stat, 2 5/8 Auto Meter mech fuel pressure gauge, K&N, March Ram Air & Pullies, Black Magic Electric Fan, 73mm C&L MAF, Edelbrock 65mm TB & EGR, 1 5/8in Equal Length Super Competition Hooker Headers, 2 1/2in H-Pipe w/hi-flow cats & Flowmaster 2 1/2in Cat-Back Exhaust, FlowTech Cut-Outs, Nitto DR's, 3.73 gears, FMS Aluminum DriveShaft, Pro 5.0 Shifter, Pro-Shift Lite, 9mm FMS Plug Wires, PowerSlot rotors, PowerMaster 140amp Alt., LX lights, Cobra R hood w/SVO scoop, Saleen spoiler, Cobra Bumper, MaCh1 paint scheme, 3in chrome tips
Posts: 88 | From: San Jose CA | Registered: Feb 2002
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