sputtering on hard accel

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May 25, 2003 | 08:24 PM

mikefraz01

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Joined: Oct 2002

Posts: 72

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From: Danvers MA, USA

sputtering on hard accel

been having efi/eec IV problems, now im sputtering on hard acceleration? any ideas?

May 25, 2003 | 11:58 PM

offroadguy

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Joined: Nov 2002

Posts: 91

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From: indiana

sputtering on hard accel

do u have dual tanks, if you do, switch to you other one and see if it still does it, mine has the same problem and gotten progressively worse and i am almost positive it is the fuel pump but i am just waiting on the cash to get a new one

May 26, 2003 | 02:03 AM

MEPR

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Joined: Dec 2002

Posts: 738

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From: McChord AFB

sputtering on hard accel

when i was doing my auto shop internship i had to figure out a prob like this on an 89 150. It was a bad accelerator pump

May 26, 2003 | 01:22 PM

mikefraz01

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Joined: Oct 2002

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From: Danvers MA, USA

sputtering on hard accel

single tank, fuel injected,

May 26, 2003 | 01:36 PM

steve83

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Joined: Nov 2002

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From: Memphis, TN

sputtering on hard accel

Pull the codes.

May 27, 2003 | 07:11 PM

Silver Streak

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Joined: May 2002

Posts: 3,241

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From: Broken Arrow, OK

sputtering on hard accel

If you havn't already, change the fuel filter. It's cheap, might fix your problem, and you probably need a new one anyway. My truck did the same thing and I chased things forever before I figured it out. Now I change the filter every year or 25k miles, whichever comes first.