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Author
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Topic: Help Me
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Gear Head
JARED
Member # 779
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posted
 
 
My car is still doing the back fire stuttering thing at higher RPM's and sometimes at lower rpm's. It almost feels like a backfire in the exhaust. I have removed all my sound deadning material in my hatch and I can really hear my stock 88lph 150K fuel pump screaming. Do you think my car is just starving for fuel. I knwo they get real loud when they are about to go out but I just figure it was lound because I took everything out of the hatch.
I changed the:
1. Plug wires
2. cap/rotor
3. fuel filter
4. plugs are about 4 months old orignally gapped at .032
5. Timing is set at about 13 -14 degrees
Please any suggestions, this is really frusturating.
[ December 05, 2002, 11:01 AM: Message edited by: 91sleeper ]
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Posts: 5685 | From: EASTBAY | Registered: Jan 2002
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96Forged281
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Member # 2158
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posted
going through the same prob there sleeper, i have yet to start changing things to fix it but ill start this weekend, im leaning towards the fuel pump, have you checked your fuel pressure?
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96 Stang GT Convertible Looks Stock =)
Posts: 277 | From: Modesto | Registered: Dec 2002
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liftedF150
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Member # 868
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posted
i wonder if ur distributer went out again jared??? but i dont think it would have cause u just replaced it. but if ur not pumping enough fuel wouldnt u be able to tell cause when u give it gas wouldnt it hesitate???
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GO SHARKS!
Posts: 3259 | From: Discovery Bay | Registered: Feb 2002
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Elapid
GOROBGO
Member # 50
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posted
i think you're right on the money!
i would suspect the fuel pump too!
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98 Cobra
83 Notch rolling chassis - fs
Posts: 1797 | From: Grass Valley, CA USA | Registered: Jul 2000
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Chris M.
Ignore me, all I do is argue online!
Member # 1708
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posted
when my car was doing that it was because i was using an msd blaster2 coil without an msd box and with a tfi dist. you need a tfi coil if you're running a tfi dist. i'm guessing that's not your problem though.
my sister's car did that also, it turned out that one of her intake valve springs broke and it wasn't closing the valve all the way.
Posts: 2828 | From: West Bay, CA | Registered: Aug 2002
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Gear Head
JARED
Member # 779
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posted
quote:
Originally posted by 1sic91blackgt:
i wonder if ur distributer went out again jared??? but i dont think it would have cause u just replaced it. but if ur not pumping enough fuel wouldnt u be able to tell cause when u give it gas wouldnt it hesitate???
When did my distributor ever go out?
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Posts: 5685 | From: EASTBAY | Registered: Jan 2002
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Gear Head
JARED
Member # 779
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posted
Well I have a blaster coil from MSD on there and I know iot has nothing to do with that becasue it worked fine with it for a long time and its like all of a sudden this has started happening. I think i'll just get a Walbo 255 in tank and see if that solves it.
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Posts: 5685 | From: EASTBAY | Registered: Jan 2002
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