Backfires out the intake?
#1
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Backfires out the intake?
My car has been sitting for about 2 years now, as I was away for college. I asked my Step Dad to start the car up and take it for a spin once a week, which he never did. But I'm back from school now and the car backfires really bad out the intake. I can't figure out why. I did a fuel filter and put new gas in it; in hopes that it was just a bunch of water content in the gas. But the car still does it. It won't even hold an idle, it just dies. The car backfires at idle and through the rpm band. I was thinking that I need to do a valve adjustment, that maybe the intake valve is sticking open too long and that's why it backfires. And that would explain why it won't idle, cause if the intake valve is always open, it won't build up any vacuum to hold an idle. But where I'm lost is, the car ran fine when I left...so there is no reason why the valves should just go out of adjustment. Or there should be any mechanical failure for that matter.
If you guys can think of anything, it would be greatly appreciated. And at the very least, any input will help; I may be able to get my mind rolling on some other ideas. haha. Thanks guys!
If you guys can think of anything, it would be greatly appreciated. And at the very least, any input will help; I may be able to get my mind rolling on some other ideas. haha. Thanks guys!
Last edited by jawls; 01-29-2012 at 01:07 PM. Reason: Added info
#7
Re: Backfires out the intake?
Could it be that a critter or critters made a home in the exhaust system, creating backpressure? Usually this would just stall the car, but maybe also trigger a backfire.
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#8
Re: Backfires out the intake?
my integra has been sitting for a few years as well. I cranked it up occasionally and it ran fine. then after a month or so,i went to crank it up and it would not start and it was backfiring out the intake as well.
what I had to do was re do the timing and the intake valves had stuck open so I had to lubricate the valve seals and work the valves up and down. the problem was solved after that. it was time consuming but that was the fix.
what I had to do was re do the timing and the intake valves had stuck open so I had to lubricate the valve seals and work the valves up and down. the problem was solved after that. it was time consuming but that was the fix.
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Re: Backfires out the intake?
Hey sorry guys, my computer has been broke. (How fortunate.)
I'm doing a valve adjustment today and checking the timing. I'll let you guys know tomorrow the status. Thanks!
And unfortunately, my little brother was at college with me...and just bought a S2k, so he has no desire to drive my car. (Clueless as to why. lol)
I'm doing a valve adjustment today and checking the timing. I'll let you guys know tomorrow the status. Thanks!
And unfortunately, my little brother was at college with me...and just bought a S2k, so he has no desire to drive my car. (Clueless as to why. lol)
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