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Old June 11th, 2007, 05:44 PM
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1995 D90
Join Date: Jun 2007
Location: NY, NY
Posts: 2
Hesitation/Power loss

Guys, I'm having a problem with my '95 NAS D90 hesitating pretty severly. However this only happens when either the a/c or headlamps are on. The power loss seems only to occur the the 2k-3k rpm band. If I'm driving during the day with no lights/ac it runs great.

any thoughts would be greatly appreciated.

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Old June 11th, 2007, 06:06 PM
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Tony Brooks
Join Date: Oct 2003
Location: Arlington, VA
Posts: 4,896
Tested for alternator and battery output?

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Old June 11th, 2007, 08:31 PM
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Ray Bone
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Ray Bone
Join Date: Mar 2004
Location: Brooklyn
Posts: 244
i had a leak at my intake, that was what happened to mine..
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Old June 12th, 2007, 01:47 PM
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Heath Ahrens
Join Date: Feb 2004
Location: Bernardsville, NJ, US
Posts: 125
Is it surging to the point that the whole truck is jerking?
Sounds like a bad rectifier in the alternator.
You can get it tested for free at most auto parts stores.
That would be my guess.
I had this problem.
I also had a similar symptom from a bad ignition coil.
Check that too.

Good Luck!
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