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ok here is the deal i was driving my FC and it was fine! no problems had the car for about a month! i want to get some gas on friday and i drove it maybe 45 miles. On the way home from my little trip it started backfiring at first it wasn't bad. one here and there then by the time i got 10 miles from my house it was backfiring really bad and i wasn't able to make it home at one point. i pulled over let it idle for a few mins then i stepped on the gas pretty hard and not backfire. so i said here is my chance. i took off and it was backfiring and hesitating really bad. then it stopped i had full power back and i was able to make it to my block as soon as i slowed down it started backfiring again and i had no power. i took the spark plugs out last night and they where black! but here is what i don't understand i waited for the next day and i drove it around my hood for a few and it was fine. as soon as the car got to norm temp it stared backfiring again. like it had no spark. or no fuel going, but it idles with no problem. so i got home and i waited for the engine to get cold. like 5 hours and i went out again and i had my wife step on the gas and the smell was so nasty from that exhaust! it smelled like eggs where in my exhaust. now could this be a case of bad gas? fouled plugs? i need help!???
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Originally Posted by FCs Rule' post='774593' date='Nov 1 2005, 05:21 PM
ok here is the deal i was driving my FC and it was fine! no problems had the car for about a month! i want to get some gas on friday and i drove it maybe 45 miles. On the way home from my little trip it started backfiring at first it wasn't bad. one here and there then by the time i got 10 miles from my house it was backfiring really bad and i wasn't able to make it home at one point. i pulled over let it idle for a few mins then i stepped on the gas pretty hard and not backfire. so i said here is my chance. i took off and it was backfiring and hesitating really bad. then it stopped i had full power back and i was able to make it to my block as soon as i slowed down it started backfiring again and i had no power. i took the spark plugs out last night and they where black! but here is what i don't understand i waited for the next day and i drove it around my hood for a few and it was fine. as soon as the car got to norm temp it stared backfiring again. like it had no spark. or no fuel going, but it idles with no problem. so i got home and i waited for the engine to get cold. like 5 hours and i went out again and i had my wife step on the gas and the smell was so nasty from that exhaust! it smelled like eggs where in my exhaust. now could this be a case of bad gas? fouled plugs? i need help!??? loss of power/acceleration + smell of eggs in exhaust = possible catalytic converter clog. Is your exhaust original? Does it rev slowly? Does it only do this backfiring thing when its at operating temp. kevin. |
Originally Posted by teknics' post='774604' date='Nov 1 2005, 05:55 PM
loss of power/acceleration + smell of eggs in exhaust = possible catalytic converter clog. Is your exhaust original? Does it rev slowly? Does it only do this backfiring thing when its at operating temp. kevin. |
what brand is the aftermarket exhaust and cat? rotary exhuast is very very hot and you cant just use any old universal cat
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Originally Posted by FCs Rule' post='774610' date='Nov 1 2005, 06:13 PM
the cat is new only haslike 5000 miles on it, the exhaust is a custom exhaust that is the way it was sold to me. the backfiring only happens when it is at operating temp when it is cold it is fine when it is warm is when it starts! and again this didn't happen until i got that gas on friday have you gotten gas from this same place before? could be crappy gas, or like shane said, perhaps it wasnt a high enough quality cat. kevin., |
no i never got gas from there before? i don't know about the cat i bought it like that i have not done anything to the car yet! i just got it and was running it around for a while and in the spring is when i was going to start playing with it! the cat had a fang made for it from what it looks like under the car i have not gone all the way under the car yet to see what it all is all i know is it is a turbo back exhaust and it is 3inches, but what does that have to do with my car doing that?
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https://www.nopistons.com/forums/pub...1047683561.gif check your plumping from your mass air to the turbo,if you have a slpit there it can cause backfiring also check your tps i had one that had a similar problem and it ended up being that post your fix when you find it
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Originally Posted by onereven7' post='774661' date='Nov 1 2005, 08:54 PM
https://www.nopistons.com/forums/pub...1047683561.gif check your plumping from your mass air to the turbo,post your fix when you find it
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hmmm didn't think about the bov vaccum hose! i just hooked up a boost gauge and i ran it to that vaccum from the bov it might have a leak i will check that tomorrow! but i had someone tell me it is my coolant seals does anyone agree? my coolant is nice and full still from the day i got it!
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Originally Posted by FCs Rule' post='774930' date='Nov 2 2005, 03:07 PM
hmmm didn't think about the bov vaccum hose! i just hooked up a boost gauge and i ran it to that vaccum from the bov it might have a leak i will check that tomorrow! but i had someone tell me it is my coolant seals does anyone agree? my coolant is nice and full still from the day i got it! WAIT... So my car ISNT supposted to blow fireballs? Hell anytime i go past 5k RPM's it sounds like WW3 going on. |
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