99-04 Misfire

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06-11-2007, 02:42 PM

AWD4g63

1st Gear Member

Thread Starter

Join Date: Apr 2007

Posts: 97

99-04 Misfire

I just got the new motor in my car. Its a 2000 GT with a 96-98 Bottom end and PI heads. Between 1-2k it has a misfire then its gone. It has new plugs in it already, any ideas what else it can be?

06-11-2007, 02:47 PM

Brute03

5th Gear Member

Join Date: Jan 2006

Posts: 2,504

RE: 99-04 Misfire

check the COP's make sure the boots are clean. did you find out what was wrong with the old motor?

06-11-2007, 02:53 PM

oxfordgt

6th Gear Member

Join Date: May 2006

Location: Ohio

Posts: 6,448

RE: 99-04 Misfire

Pull the plugs and look at them.

06-11-2007, 04:15 PM

01GTCONVERTABLE

2nd Gear Member

Join Date: Jan 2007

Location: Missouri

Posts: 320

RE: 99-04 Misfire

I had the same problem...I figured out which plug it was, replaced it.....then I had the same studdering about 2-3 weeks later....last week I replaced that coil pack and she runs like a beauty...