CHECK ENG LIGHT STILL ON REPLACE THE CATALYST BOTH O2 SENSORS ON BANK 1 STILL HAVE THIS COD PO421 PO431 could be the knock sen-cor, map sen-cor. hope this helps.
...MAP sens and throttle position sens and still idles fine but boggs and dies when I touch the gas!!!! PLEASE HELP!!! have you tested the fuel pressure . should be about 35 lbs while idling and theres ...
have changed map sen throtal sen 02 sen fuel pump and the eng idel still gose up and down like its looking for a place to go remove and clean, idle air control motor. it may be clogged with ...
idle is jumpy goes up and down.just had the intake manifold gasket, o2 sen, temp sen, map sen, and throdle position sen replaced. why is it falling to almost 500 rpms at idle? also with timing wire ...
...vacuum from the map sens Eng should stall however it a known wit the distributor pick up coil to not put out a good signal to the coil their for poor spark and poor idle also check for water in ...
94 Grand 5.2 Stalls at idle and driving. Changed Map,Idle,and Thrott sen. Also have done a full tune up. Changing the crank po sen tomorrow to see if that is it. I have new fuel system from pump to ...
...and 40 while running. here are a list of things ive done already plugs,wires,cap,router,coil,egr,map sen, fuel filter, injectors, fuel pressure regulator, egr selinoid, tried other pcm but brought ...
...it just turns over just wont start. its getting gas and spark whats up with this changed cam sen. map sen. all fuses. and relays.to be on the safe side went ahead changed fuel pump. if you have
...it off went back 2 hours later and that's when it started doing it. I have replaced temp sen,map sen , throttle pos sen, and spark plugs no fix only code I get is 300 random misfire If you
the map sen.hose gose frommap sen to 1987buick grandnational Check Under Hood Vacuum Sticker
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