1997 Chevy blazer

Asked by Jan 25, 2016 at 06:30 PM about the 1997 Chevrolet Blazer 4 Door LS

Question type: Maintenance & Repair

My 1997 Chevy blazer , sometimes won't crank on
the 1st , 2nd , 3rd , or even 4th time I have to
almost flood it to crank it , I don't understand what
my problem is I have a new battery , alternator
obviously works I just don't understand my
problem can anyone help me ?

7 Answers

37,965

What do you mean by cranking? The motor turning over but not starting?

1 out of 1 people think this is helpful.

Yes exactly

37,965

Ok we need a starting point, so need to verify if there is spark, and fuel pressure. Fuel pressure should be 56 to 63 lbs.

1 out of 1 people think this is helpful.

Yes indeed it is

37,965

Did you do a bleed down test? And check for spark?

How do I do tht

37,965

What size motor is this? So you hook up the fuel pressure gauge, build up fuel pressure by cycling the key to on/off, turn key off and watch the gauge. If the pressure drops more than 5 lbs from highest pressure, in 3 minutes, then either the fuel injectors, spider lines, and or regulator are leaking. To check for spark, get any spark plug and plug it into a spark plug wire, and lay the metal part of the plug down on a ground. Turn it over (need a helper) and see if there is spark at the plug.

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