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1993 lumina Z34 stalling


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Posted

Driving down the road the car just shuts off.It starts back up imediately.No wait. It does not lunge or run rough before this happens.It like the key is turned off.Changed the EGR valve,ignition module,the 3 coils and also the map sensor with the manifold it snaps onto. The error code is 32(EGR fault). After al these repairs it shut down again after 500 miles.

Posted

how often does it do this? i know my z34 will stall once in a while, but certinally not enough for me to care about.

Posted

phantom stalling injectors mabey? those usually dont so it that much though. mabey a short in the egr circut, id check that.

Posted

Does everything turn off then turn back on (i.e. guages, lights, etc...)? If so it could be a loose connection at your aux batt post. i think that has prolly happened to all of us.

Posted

a lot of people do not think about this one, Check your alterantor and your battery

Posted

The alternator and battery were new last year. Before this problem started occuring.

Posted

my cutl;ass will do it wen i rev the motor up and then throw it dowbn to drive after it hits about 1000 prms it starts to rev and dies then i can restart wt no problem

Posted
The alternator and battery were new last year. Before this problem started occuring.

Still, check the battery terminals and the alternator terminals.

Posted

replacing an egr valve is not always the end all solution. U may have carbon buildup in the intake

Go buy like 3 bottles of Top Engine Cleaner and use that

Posted

I got 10 bucks saying it is injectors. You have to get some that are 94 and up. I replaced mine about 18 months ago cause It would stall ALL the time. If I were in a traffic jam it would stall about once every 5 minutes when I let off of the gas. Replaced the injectors with some that I bought off of ebay for 50 bucks and it hasn't happened since.

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