545 MOTOR WILL START BUT WILL NOT IDLE WITH NEW ...

  • Tiny
  • Anonymous
  • 1995 Chevrolet Truck
  • 78,000 miles

545 motor will start but will not idle with new map sesor plugged in. Will run idle and reve with map sesor unplugged. But dies when put in gear. Can pat gas it will move butdies when you stop.

Sunday, March 31st, 2013 AT 6:05 PM

1 Reply

  • Tiny
  • hmac300
  • Expert
  • 44,341 posts

Scan for codes an check fuel pressure first. Then if bolts are 10mm tighten intake manifold. Fp should be 26-32 psi

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Sunday, March 31st, 2013 AT 6:23 PM

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