05-24-2009, 03:33 PM
| #1 (permalink) |
| Registered Member Join Date: Nov 2008
Posts: 7
|  Need Help Badly i am having problems with my 92 mustang .it runs good for awhile then it will start to run rough while sitting at stop lights and will sometimes stall .when it does this the idle kinda surges up and down until it dies.when it starts to do this it also will not accelerate properly.it will not take wide open throttle it bogs and wont tach past 4 grand . if you turn it off wait a minute and restart it .its fine and then will eventualy do it again i have taken it to 3 different shops and gotten nowhere.i have replaced the plugs,wires,cap,rotor,ignition module.fuel filter,coil,egr valve,gas cap,checked the timing.replaced the computer with a reman.the check engine light is not on.it is throwing codes 44(AIR MANAGEMENT SYSTEM INOPERATIVE) and code94(SECONDARY AIR SYSTEM INOPERATIVE)one shop said the mass air flow sensor could be going bad.another said the fuel pressure regulator might be going.the throttle position sensor is within specs.ANY HELP WOULD BE APPRECIATED I DONT KNOW WHERE TO GO FROM HERE THANKS |
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07-24-2009, 07:42 PM
| #2 (permalink) |
| Registered Member Join Date: Dec 2006 Location: new york
Posts: 408
| Re: Need Help Badly go to a part store and get some maf cleaner and try to clean the maf.u can use brake cleaner but it takes the wax of if u dont do it right.if that fixes it make sure to get a new airfiter or if its a k&n make sure u clean it right
__________________ 347 stroker all forged,arp everything,stud mains w/girdle,7qt pan,full roller, custom cam, aluminum heads swirl valves 5 angle valve job.quick fuel 750,areomotive pump,cobras w/nitto drags,and m/t et drags for the track, ford racing 373 gears,centerforce clutch,tko500,underdrive pulleys,bassani x-pipe,flowmasters ^best et so far 11.7 1.61 60ft tons of problems to fix and more money to spend!ahhhhhhh 1992 mustang gt 2000 chevy impala 1994 heavy chevy 4x4 78 century boat 92 skidoo |
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11-04-2009, 12:23 AM
| #4 (permalink) |
| Registered Member Join Date: Dec 2006 Location: new york
Posts: 408
| Re: Need Help Badly cannot be a iac that only control idle
__________________ 347 stroker all forged,arp everything,stud mains w/girdle,7qt pan,full roller, custom cam, aluminum heads swirl valves 5 angle valve job.quick fuel 750,areomotive pump,cobras w/nitto drags,and m/t et drags for the track, ford racing 373 gears,centerforce clutch,tko500,underdrive pulleys,bassani x-pipe,flowmasters ^best et so far 11.7 1.61 60ft tons of problems to fix and more money to spend!ahhhhhhh 1992 mustang gt 2000 chevy impala 1994 heavy chevy 4x4 78 century boat 92 skidoo |
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11-04-2009, 12:24 AM
| #5 (permalink) |
| Registered Member Join Date: Dec 2006 Location: new york
Posts: 408
| Re: Need Help Badly what did u set the tps to?whats it at at wot
__________________ 347 stroker all forged,arp everything,stud mains w/girdle,7qt pan,full roller, custom cam, aluminum heads swirl valves 5 angle valve job.quick fuel 750,areomotive pump,cobras w/nitto drags,and m/t et drags for the track, ford racing 373 gears,centerforce clutch,tko500,underdrive pulleys,bassani x-pipe,flowmasters ^best et so far 11.7 1.61 60ft tons of problems to fix and more money to spend!ahhhhhhh 1992 mustang gt 2000 chevy impala 1994 heavy chevy 4x4 78 century boat 92 skidoo |
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11-04-2009, 08:32 PM
| #6 (permalink) |
| Registered Member Join Date: Oct 2009
Posts: 2
|  Re: Need Help Badly It measure's out the idle speed by how much air is flowing(fuel and air). If its stalling out on ya that could be it, but of course I know nothing...Your MAF sensor could be the culpret as well seein how its just up stream from your IAC... |
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