7

Tiny
JOHNBONDS
  • MEMBER
  • 1998 CHEVROLET SILVERADO
  • 135 MILES
7.4 engine put in 51 pu runs fine for a few blocks then cuts down like 4 cylenders shut down then sometimes goes back to running smooth. Any ideas?
Saturday, November 10th, 2012 AT 4:12 PM

3 Replies

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Scan for codes and check fuel pressure first.
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Saturday, November 10th, 2012 AT 4:14 PM
Tiny
JOHNBONDS
  • MEMBER
  • 2 POSTS
No codes pressure 58 lbs
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Saturday, November 10th, 2012 AT 4:18 PM
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Ok now check for vacuum leakstry tightening the intake manifold up especially if this has the 6mm bolts holding it. You can use choke cleaner to help to try find vacuum leak.
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Saturday, November 10th, 2012 AT 4:28 PM

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