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96 Jimmy, Hard Starting


96JimmySLT
10-25-2004, 01:26 PM
I have a 1996 Jimmy with a "W" 4.3. My original problem was hard starts when its cold. I took it to the dealer and they said it was the fuel pressure regulator and both oxygen sensors were bad and gave me a price of $1200.00 to fix it. I ordered the fuel pressure reg. and replaced it myself. Now the the idle surges, runs rough and is basiclly undriveable.
I havent changed the sensors yet but at least it ran ok with old regulator
and sensors, now its worse!
Any help will be appreciated!!!

Rick
BlazerLT
10-26-2004, 05:54 PM
Clean your IAC valve.
JackDaniels386
10-27-2004, 10:00 PM
Is your "Service Engine Soon" light on?

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