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quick engine question?

Old 02-13-2003, 03:10 PM
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Question quick engine question?

I have a 99 Yukon 4dr slt its just starting to show signs of hesitation on hard acceleration , this has been getting worse lately ,, I think its Time for a new Fuel filter?
drives normal other than that
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Old 02-13-2003, 03:25 PM
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Any check engine light or codes?
Does it only happen at certain times, ie. hot vs cold engine, only when it rains, etc.
Filter wouldn't hurt. Might be plugs and/or wires too.
Gary
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Old 02-13-2003, 03:30 PM
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Nope wires and plugs were fine 6 months ago no lights
I think its the filter or the electric pump, feels starved
on hard acceleration, if you back off the pedal it starts picking up again, ill throw it on a snap on computer saturaday and check the pressure, miles is about 55k

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Old 02-13-2003, 03:31 PM
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Dirty injectors?
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Old 02-13-2003, 03:33 PM
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That should have been:
Dirty injectors? How's idle?
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Old 02-13-2003, 03:35 PM
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idle is great runs fine , you would not know unless you punched it
to pass, worse in this colder weather, I know colder means more fuel,
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Old 02-13-2003, 03:50 PM
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Try the filter, it's cheap and easy.
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Old 02-13-2003, 03:52 PM
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My money's on the the filter.
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Old 02-13-2003, 03:52 PM
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Not easy in this cold its like 8 degrees and my buds garage is busy today so no lift
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Old 02-13-2003, 04:01 PM
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We just started a warming trend here in St Louis. It should be on it's way to you this weekend. You'll still need to wear your mittens though.
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