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1998 GMC Safari miss in #4 cyl

Tiny
NRN319
  • MEMBER
  • 1998 GMC SAFARI
  • 6 CYL
  • AWD
  • AUTOMATIC
  • 340,000 MILES
I have a miss in #4 cyl. At idle its ok. When you raise the idle a little the spark to # 4 cyl stops. No spark at wire. It has new plugs, cap rotor, and wires
Neal
Saturday, January 26th, 2008 AT 2:56 PM

3 Replies

Tiny
BLACKOP555
  • MECHANIC
  • 10,371 POSTS
You may have a faulty ignition module. Since everything else seems to be taken care off. And since you say spark stops it wouldnt be an injector.
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Saturday, January 26th, 2008 AT 5:12 PM
Tiny
NRN319
  • MEMBER
  • 2 POSTS
Is that in the distributer
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Sunday, January 27th, 2008 AT 12:15 PM
Tiny
BLACKOP555
  • MECHANIC
  • 10,371 POSTS
Should be on the side of the distributor.
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Sunday, January 27th, 2008 AT 2:39 PM

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