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1998 Chevy Silverado lack of power

Tiny
YACKIE72
  • MEMBER
  • 1998 CHEVROLET SILVERADO
  • V8
  • 4WD
  • AUTOMATIC
  • 177,000 MILES
Once my truck gets hot I can not get over 40 mph it backfires and chugs really bad it idles ok
Sunday, November 8th, 2009 AT 1:40 PM

4 Replies

Tiny
DOCFIXIT
  • MECHANIC
  • 18,828 POSTS
Check engine light on? Recent repairs? Checked back pressur for clogged CAT?
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Sunday, November 8th, 2009 AT 1:51 PM
Tiny
YACKIE72
  • MEMBER
  • 2 POSTS
Put new cat, new, egr valve, ait senser, and it still lack of power once it gets hot would it be ignition control mod?
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Wednesday, November 11th, 2009 AT 5:30 PM
Tiny
DOCFIXIT
  • MECHANIC
  • 18,828 POSTS
Ign module is a possibility think Auto Zone can test
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Thursday, November 12th, 2009 AT 2:43 PM
Tiny
YACKIE72
  • MEMBER
  • 2 POSTS
Changed the ig. Control mod. Still loss of power when it gets hot
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Saturday, November 14th, 2009 AT 4:34 PM

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