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Old 07-08-2009, 12:01 AM
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Question 92 s10 pu 4.3L FI

just bought my first fi its running kind of rough right now. went out and got a radiator for it and is running better. HOWEVER this problem im having isnt going away im thinking a new feul filter or air filter. when i try and gun the gas and floor it on the freeway or to right turn a red. the engine kinda "bogs" by that i mean it dies for a second and then catches again. any possiblities that a fuel filter or an air filter could fix this.
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Old 07-08-2009, 01:22 AM
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AaronK AaronK is offline
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Well you can look at your air filter and easily determine if you need a new one or not.
Definitely sounds like it could be a fuel filter problem though. Couldn't hurt to replace.
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Old 07-08-2009, 07:08 AM
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I vote full tune up...
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Old 07-08-2009, 08:35 AM
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Poor spark will also cause that. I'd check the spark plugs, wires, etc first.
I second the vote for a full tune up.
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Old 07-08-2009, 10:21 AM
wedebrook wedebrook is offline
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if you have a catalytic converter that is starting to clog, it could do that too.
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Old 07-08-2009, 05:18 PM
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On the FULL TUNE up replace the fuel pressure regulator , injectors and see if that doesn't fix it. Could also be the map sensor as well. That is the problem when buying a used vehicle with some wear and tear on it. My 90 ran like crap when I first got it with lots of problems and when i did the full tune up replacing everything it seems it runs thousand times better than most tbis.
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