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Truck is hard to start

Tiny
MARK SILVERS
  • MEMBER
  • CHEVROLET SILVERADO
89 350 runs and idles great, but I have to use starting fluid or I have to pump the pedal 20 or more times.
Saturday, April 21st, 2007 AT 7:50 PM

2 Replies

Tiny
2CARPRO JACK
  • MECHANIC
  • 11,533 POSTS
Could you narrow down the truck a little? 89 should be a TBI 350, if so pumping the throttle does nothing but get you exercise. Sounds like the fuel pump or the pulse dampener on the pump. Has it ever had a new fuel pump? The pulse dampener goes inline on the pump, they rupture the diaphrams and bleed down and give insufficient fuel pressure, causing poor idle quality and excessive cranking to start
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Sunday, April 22nd, 2007 AT 8:52 AM
Tiny
MARK SILVERS
  • MEMBER
  • 2 POSTS
I had the pump replaced last Aug. It idle's and runs smooth. It's a 89 4x4 350TBI.
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Sunday, April 22nd, 2007 AT 8:11 PM

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