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Question

i have a 93 chevy astro i am having problems starting it a couple days ago it would start then die in about 10 min the next day it started and ran for about 5 min neither time would it syart again till i got home for work now it wont start at all i am getting fuel, and i am getting spark through the coil, any suggestions.

Submitted: 323 days ago.
Category: Chevy
Value: $9
Status: AWAITING CUSTOMER ACTION

Answer

Hello, make sure the spark is also coming out of the distributor and to plugs not just from coil because the cap/rotor or coil wire could be damp or carbon-tracked. When you say you have fuel, you need at least 55 psi to run this system if it is a centralport injection system (8th digit of the vehicle id number is w or x ). I have had SEVERAL of these model vehicles have marginal fuel pressure and do exactly what you are describing. it has a spring loaded nozzle on all injectors so you can have 40 psi at the fuel tap and get no fuel to the engine. Check it with a good pressure gauge to make sure it is ok. ( make sure pressure is ok when CRANKING also. it should not drop off below 53 psi ) If this info has been helpful, click the ACCEPT button so I will get credit/payment for my answer. If you need more help, contact me again. Thanks for using JA.

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Expert: Gregory F
Pos. Feedback: 100.0 %
Accepts: 101
Answered: 12/21/2008

ASE Certified Technician

ASE MASTER & ASE L1 ADVANCED ENGINE PERFORM RECERTIFIED. G.M. WORLD CLASS TECH. 22+YRS CHEVY DEALER

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