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View Full Version : My 93 sputters and dies NEED HELP


AndiZR1
07-11-2021, 07:57 PM
Hi,

I have a n issue with my 93 ZR1.

A few weeks ago my ZR-1 started to die when she was cold and I had to keep her on RPMS to keep her running.

Now the issue is worse and she runs rougher and dies directly after starting.

Has anyone had similar problems and may knows where I should start searching for the problem?

Thanks you all!

A26B
07-11-2021, 10:20 PM
Test Fuel Pump Pressure
Search "Solutions" at the top of the page where you posted this thread

wfot
07-12-2021, 06:54 AM
what jerry said above
and possibly check out the idle control motor..

dredgeguy
07-12-2021, 08:05 AM
Check to see if one of the rubber hoses disconnected from one of the fuel pumps. Pull the fuel pump assembly from the tank and check, takes less than 30 minutes. That was the problem with mine. A new stainless steel clamp fixed the problem.

Stingray1967
07-12-2021, 04:00 PM
My situation was this. Car would start up fine, run great for two minutes, and then stumble. It was the oxygen sensors.

AndiZR1
07-12-2021, 09:10 PM
Hi Guys! Thanks for your input.

I found the Problem. It was the vaccum hose that was detached from the MAP Sensor.

Erik
07-12-2021, 10:30 PM
Hi Guys! Thanks for your input.

I found the Problem. It was the vaccum hose that was detached from the MAP Sensor.

May your problems always be so easy! :)

Congrats.

wfot
07-13-2021, 08:28 AM
watch out for backfires, they can pop that hose off...
FYI

AndiZR1
07-13-2021, 10:10 AM
watch out for backfires, they can pop that hose off...
FYI

Thanks... if so what do you think can cause that?

A26B
07-13-2021, 01:14 PM
Cause: Releasing ignition key too soon from start position.
Cure: Hold key in start position just a second longer


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