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93 talon 4g63 nt sputters and will not rev passed 4k


Shawn89

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Have you looked at the fuel pressure yet? I've got a 190 pump around here somewhere I can loan you. That and I still say plug wires. I bought a flurry of parts for my mothers Jetta trying to fix a similar problem this summer, new maf, coil, plugs, wires. Changed the wires out again, and it ran fine.
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For as cheap as they are, I'd still change the plugs before you throw any more expensive parts at it. I have had mishandled plugs right from the parts store more than once. Sometimes they can be cracked/loose at the base where the porcelain meets the hex and be electrically open but look just fine. You could test them, but for $8 I'd just swap them.

 

May still not be the problem, but certainly worth trying at this point I'd say.

 

If the jack-hole that sells you the plugs slams them on the counter - have him get you another set.

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I haven't checked the fuel pressure yet but ill try and to that today. I made new plug wires from a new set I had laying around, I've done that before and it worked fine. I checked the power resistor on the maf and it showed 1.1ohms. Ill get a new set of plugs and see if that helps.
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