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1996 Chevy Truck hesitation

Tiny
PSBRANDON
  • MEMBER
  • 1996 CHEVROLET TRUCK
  • 6 CYL
  • 2WD
  • MANUAL
  • 276,000 MILES
I have a major hesitation to almost a stall happening when the engine has any sort of load. It idle's fine. The voltage meter on the dashboard varies below and above 14V. When above, the truck works fine. The tail lights flicker and go out when the engine hesitates. I've replaced the spark plugs, wires, fuel pump and air filter. Any idea's as to what might be the problem?
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Wednesday, September 1st, 2010 AT 8:16 PM

5 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Start by having the alternator load tested
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Thursday, September 2nd, 2010 AT 9:28 AM
Tiny
PSBRANDON
  • MEMBER
  • 8 POSTS
I have had the alternator load tested. It has tested ok.
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Thursday, September 2nd, 2010 AT 9:43 AM
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Check the ignition switch. BTW how can you see this? The tail lights flicker and go out when the engine hesitates.
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Thursday, September 2nd, 2010 AT 11:13 AM
Tiny
PSBRANDON
  • MEMBER
  • 8 POSTS
How do I test the ignition switch? At night, I can see the tail lights in the side mirrors. Also, something new; backing into a driveway the engine stalls.
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Thursday, September 2nd, 2010 AT 11:27 AM
Tiny
PSBRANDON
  • MEMBER
  • 8 POSTS
It's also getting harder to start. Turns over more before starting.
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Thursday, September 2nd, 2010 AT 11:29 AM

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