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Backfiring
#1

Hey guys, I was wondering what are some of the common cause's of backfiring and what I can do too stop it.

And yes, I did use the search feature but couldnt find anything.

~wulvie
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#2

could be fuel pressure reg stuck wide open...is it pig rich spitting out fuel w/ sooty exhaust?? could also tps gon bad or misudjusted...
85 XR4Ti 5spd "I'm not REALLY a "WING Commander"/"Geschwaderkommodore " but I do play one in my XR."
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#3

well, it doesnt ~seem~ to be running rich... it really gets up and goes when push'd. Its the idling it seems to have a big problem with right now. And I think the TPS is prob misadjusted as well. Could that cause backfiring?
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#4

I've never heard of one getting stuck lean but I guess it could happen...when my fpr stuck wide open it would have a backfire and sometimes pull real hard after but you could actually HEAR the fuel pump laboring to pull 90psi even at idle...that might be a clue...the tps needs to be adjusted perfect for these cars to run right...mine goes thru one every year almost like clock work, unfortunately it could also be a dozen other things, good luck!!
85 XR4Ti 5spd "I'm not REALLY a "WING Commander"/"Geschwaderkommodore " but I do play one in my XR."
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