rough idle
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fatboybell
- Posts: 46
- Joined: Wed Jul 20, 2005 4:04 pm
- Car: 1992 Infiniti q45
rough idle
I have searched ,I believe,the entire internet.Am I right in believing that no one has ever truly made a Q idle smooth again after the idle started messing up?
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elwesso
- Posts: 30810
- Joined: Sun Feb 23, 2003 4:52 pm
- Car: 94 Infiniti Q45t 5 spd
2007 BMW M Coupe
2007 Infiniti G35 S 6MT - Location: Indiana
- Contact:
Re: rough idle (fatboybell)
Have you checked your injectors?
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maxnix
- Posts: 22627
- Joined: Mon Jul 22, 2002 8:11 pm
- Car: 1995 Infiniti Q45
1995 Infiniti Q45t
2000 Infiniti Q45
Re: rough idle (fatboybell)
Need to search here more and read all the posts by Q45tech.fatboybell wrote:I have searched ,I believe,the entire internet.Am I right in believing that no one has ever truly made a Q idle smooth again after the idle started messing up?
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silkysmoothyjud
- Posts: 410
- Joined: Tue Nov 21, 2006 1:08 pm
- Car: 1994 Q45
Re: rough idle (maxnix)
DAM INJECTORS WONT EVEN THROW A CODE WHEN THEY START TO FAIL. dAM THEM dAM THEM daaaaaaaaaam THEM!!!
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maxnix
- Posts: 22627
- Joined: Mon Jul 22, 2002 8:11 pm
- Car: 1995 Infiniti Q45
1995 Infiniti Q45t
2000 Infiniti Q45
Re: rough idle (silkysmoothyjud)
But they do fail the ohm test.
Re: rough idle (maxnix)
I used to have rough idle for years. It turn out to be a stupid coilpack that messed up the idle.
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silkysmoothyjud
- Posts: 410
- Joined: Tue Nov 21, 2006 1:08 pm
- Car: 1994 Q45
Re: rough idle (VA99Q45)
Common prob for that year. But in the 94, I still have one purple headed injector left in my rail (and one used spare) that came with the car when I got it. Dam misfires when warm are impossible to diagnose in phase two injectors, unless you know which ones are doing it. It ohms out just fine, as did all of my other failures. She just now started running totally smooth at all temps. Flawless when cold. I removed it during my last injector nightmare and she just now started running decent 250 miles later.