LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

Low RPM Hesitation Problem SOLVED

Old Oct 9, 2003 | 07:52 AM
  #1  
phibud's Avatar
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Joined: Sep 2003
Posts: 10
From: Bluffton, SC
Thumbs up Low RPM Hesitation Problem SOLVED

Posted a message previously about a hesitation that was RPM specific. Whenever I was driving in the 1500-2000 RPM range, the car would studder, hesitate, and accelerate slowly. When the car was idling, the entire car would shake tremendously. It turns out, that replacing the spark plugs and wires got everything working again. Runs just like new now, and the engine seems to be firing very smoothly now.

Plugs 6 and 7: one had oil and the other had water. Not sure if this ensures a problem, but I need to keep an eye on them for sure.

When routing the wires, just make sure they arent too close together, when I pulled mine out, two of them were ziptied together. Borth wires were burnt out where they were touching and when the engine was running you could see and hear the arcing of the two.

Plug 2 was a splitfire. This goes to show you, that no1 wants to screw with this one, but taking off the alternator helped big time.

Thanks to all who replied to the original help msg, hope this helps some of you with identical problems.
Old Oct 9, 2003 | 09:25 AM
  #2  
NewbieWar's Avatar
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From: Germany
i got a similar problem i replaced all my sparks except 1 #7...

but u think i should get the wires done aswell?

i was thinking to replace opti but wires are cheaper...
Old Oct 9, 2003 | 10:15 AM
  #3  
phibud's Avatar
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From: Bluffton, SC
any particular reason you didnt replace those two? The arcing between two wires can cause the misses, which is why it's a good idea to check your wires, and perhaps replace them. I know for a fact that the wires are not really protected very well. I put some looms around the wires to prevent arcing, just be careful about how the wires are routed as well. The last people who did mine were not very smart about it.

I would recommend plugs and wires first to any1 having this problem, after all, they tend to get bad after awhile. You'll gain some performance perhaps even better gas mileage if you havent done it in awhile anyways.
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