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2000 Chevy Blazer Ignition Troubles

Tiny
STGMA66
  • MEMBER
  • 2000 CHEVROLET BLAZER
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 140,000 MILES
I have a 2000 Blazer that has been having stall or loss of power issues, I recently(3 months ago) gave it a tune up (plugs, wires, cap & rotor) so I did not think that was the problem. I was checking the ignition system out and looking at the pick up when I noticed the distributor cap terminals(inside) were burned at the 1 o'clock position (looking down) I cleaned the cap and then cleaned the rotor. The truck ran good for a few days and then it started acting up again. I changed the distributor cap & rotor a few weeks ago and it ran great for about 10 days, now its starting to act up again. What is causing the new cap terminals to burn so quickly? I had my ignition module checked and it checked fine, the only diagnostic code I get is a random engine misfire. After I changed the cap & rotor the misfire code cleared. It only comes back when the engine stalls or loses power.
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Sunday, February 8th, 2009 AT 2:56 AM

4 Replies

Tiny
2CARPRO JACK
  • MECHANIC
  • 11,533 POSTS
High resistance is usally what burns up caps and rotors. What kind of parts did you use when you tuned it up?
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Monday, February 9th, 2009 AT 7:32 AM
Tiny
STGMA66
  • MEMBER
  • 3 POSTS
I first used a Duralast cap & rotor from auto zone, the plugs are ac delco, and the plugs wires are the Duralast brand. When I changed the cap and rotor the second time I used borg warner parts from O'Reillys. I pulled a plug to check it for build up and it looks ok.
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Tuesday, February 10th, 2009 AT 12:38 PM
Tiny
2CARPRO JACK
  • MECHANIC
  • 11,533 POSTS
Did the problems start with the caps after the original tune up?I would use all A/C Dleco parts to start with. Higher quality than either of what you are using now, that is why they cost a little more
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Tuesday, February 10th, 2009 AT 12:47 PM
Tiny
STGMA66
  • MEMBER
  • 3 POSTS
Yes they did. I will the AC delco equipment and see if they make a difference.
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Friday, February 13th, 2009 AT 4:46 PM

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