1996 chevey sububen wont start

Asked by Jun 03, 2016 at 11:01 PM about the 1996 Chevrolet Suburban C1500

Question type: General

I put a spider a battery, did tune up,new fule
pursuer regalator,new fule pump and my truck still
has a starting problem and also a new
starter,alternator. Any suggestion

4 Answers

Help

79,275

May still have a fuel pressure issue. What size engine is this? Should do a fuel pressure bleed down test that would check the spider injection system. Fuel pressure should be up between 56 to 63 lbs at the Schrader Valve on the intake manifold.

Best Answer Mark helpful

Did that the shop replaced flue pump its a 5.7 he had it running but said i had a bad injector so we pulled spider did a good cleaning with carb cleaner and seafome re instaled and now wont start

79,275

I suspect the spider assembly needs replacing. The older ones tend to leak, and for best results the spider assembly should be replaced if bad. Do a fuel bleed down test by hooking up a fuel pressure gauge to the Schrader Valve on top of the intake manifold. Cycle the key on/off until fuel pressure builds up and then with the key off, watch the fuel pressure gauge. The pressure should not drop more than 5 lbs in 3 minutes. If it does, then replace the spider injection assembly as a hole unit. They are re-designed from original.

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