My Blazer has a rough idle
#1
CF Beginner
Thread Starter
My Blazer has a rough idle
I have recently replaced the Intake Manifold Gasket on my 2000 Blazer,, it has a 4.3L with just over 206,000 miles.. I'm pretty sure i have put everything back the way it was before, and now i have a idle problem, plus sitting at a light or stop sign, it acts like it wants to choke out, or hesitate at first.. Then once it starts moving, it is fine.. the shifting of gears, and maintain speed,, and no problem in passing others.. first i thought i had not put the Distributor back in correctly, or it could be the Cap & Rotor (as i have seen on other postings)... Any suggestions or remedies would be greatly appreciated...
#4
Super Moderator
Professional Mechanic
Professional Mechanic
Gets some carb cleaner or brake clean or starting fluid. Start the truck and spray where the fuel unit comes through the upper, if it effects the it runs it is not sealed. It is very tricky to get that back together. For the future you do not need to remove the upper from the lower to do the intake gasket.
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07LS
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March 28th, 2007 4:35 AM