Car running rich all of the sudden
My car:1992 with 2.0L, BEGi series 4 (2860rs), Link, RX7 550 high imp injectors.
Ok, so i have had this car tuned and running fine, but now it is having some problems. When i start it up it sounds like it is running on 3 cylinders, but not as pronounced when i am driving. It also shows it idling at rediculous numbers like 8.0. When i go into boost it shows it getting incredibly rich as well, sometimes in the neighborhood of 8.5-9.0. I have parked the car because I don't want a gallon of fuel mixed in with my oil after it washes my cylinder walls. Any suggestions on where to start? I was thinking of a stuck open injector. If it is that how do i check? Do i just pull out the spark plug and see if it is wet? Could it be the fpr? I am going to be looking at it tonight so any suggestions would be great. Hopefully I can get this all sorted out. |
Im thinking your IAT is disconnected if you have one.
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There is a way to check for a leaking injector, its not fullproof though. Start the car, unplug your injectors, one at a time from the harness. If the injector is good the car will run poorer, if there is no noticable difference in the way the car is idling after you unplug the injector, good chance that that is your bad one. Like i said this is just a basic way to check. It doesnt always work if you have a more complicated injector problem, but it finds the leakers most of the time
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Originally Posted by Sleeper_MX5
(Post 379459)
Im thinking your IAT is disconnected if you have one.
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Originally Posted by Deatschwerks
(Post 379496)
There is a way to check for a leaking injector, its not fullproof though. Start the car, unplug your injectors, one at a time from the harness. If the injector is good the car will run poorer, if there is no noticable difference in the way the car is idling after you unplug the injector, good chance that that is your bad one. Like i said this is just a basic way to check. It doesnt always work if you have a more complicated injector problem, but it finds the leakers most of the time
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