repair on 95 s10 blazer 4.3 vortec vin w
10

Asked by Bird473 Jan 13, 2016 at 05:51 PM about the 1995 Chevrolet Blazer LS 4-Door RWD

Question type: Maintenance & Repair

Truck will not stay running it is
wetting the spark with gas but has
60 psi of fuel pressure has anyone
had this problem please help me
with this problem

1 Answer
220,915

Rowefast answered 8 years ago

If you do a fuel pressure bleed down test you will probably find either the injectors, spider lines, or regulator are leaking. You build up pressure and it should not drop more that 5 lbs. in 3 minutes. The 4.3 is notorious for a bad regulator. Unfortunately it is recommended to replace all three, injectors, spider lines, & regulator as a unit and it is expensive. You can replace what is necessary but usually have problems within 6 months time.

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