Question about 1991 Oldsmobile Cutlass Ciera

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CAR CUT OFF SO I REPLACED THE CRANK SENOR NOW AFTER THE CAR RUNS FOR A WHILE IT CUTS OFF AGAIN

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Check for spark and fuel pressure to the injectors. if these are good, check the injectors for resistance with an ohmmeter.

Posted on Aug 23, 2009

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Posted on Jan 02, 2017

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94 jeep has no spark at spark plug


94 GC ZJ body.
which engine option?
says you have no spark
so you read the fsm. on that.
on spark an fueling and the ASD relay.
no gas car runs with no spark and jeep cuts fuel if no spark is MONITORED as true, by ECU.

what a shop does,
is scan it , if no scan tool
he, uses one of the other 2 ways scan,called the blinking light deal.
i crank for 5seconds, and see if it stores, code, 11 or others.
click ZJ
click emmission
see chapter 25 on how to do flash CEL check engine tests.
the ECU will tell you if crank, cam senors are dead or they they are not dead but spark is.
if the ecu see any of those 3 errors, it cuts the ASD relay in 3seconds.


http://www.jeep4x4center.com/knowledge-base/index.htm?utm_source=cj#service

it take 2 people to do this.
person one keys start. and sees ASD close for 2seconds.
you key fast and person looks for spark
if no spark that means the ASD didnt close
1: if cam and crank DTCs didnt happen then its spark bad.
2: cam/and crank sensor pass. then no spark that means
the ignitor is dead or coil.
check spark at coil not spark plugs.... for better way.

why people get so confused here is that there is only 2 seconds
to see spark..
let me give a prime example here: (shows the ropes)
person 2 saw spark for 2 seconds, but the ECU saw the CKP crank sensor misfiring 1 out of 10 times. the ECU considers this bad
and cuts the ASD , killing ALL, and setting CKP dtc error
fix bad CKP.
see?
all 3 tests must pass or the ECU will cut the ASD.
the asd kills spark and fuel.
not just fuel.
tricky yes, but no crash and burn like seen on TV.

im not sure but this ECU might store all DTCs found cranking
some cars dont. store bad spark. only CKP and CMP bad.
the ECU does see the spark singles bouncing back from the ignition coil primary, if missing it cuts ALL>


Mar 01, 2014 | Jeep Grand Cherokee Cars & Trucks

1 Answer

The car runs well until it gets hot ,it begins to loose power,then is stuter,then shut off. the car makes a coughing -like sound when it shuts off


could be your crank angle sensor to test .turn car on then let it warn up till it cuts out then tip cold water or hose for a couple of mins on the crank angle sensor then stop water and turn car on . if it buggard it will start as when the crank angle senors breaks or is on its way out it will start then idle for a bit then splutter run **** then stall with the cold water it instantly makes it cold again so it will start straight away and repeat the same process of stallin when warm

Sep 04, 2010 | 1995 Honda Civic

2 Answers

Sensors


which sensor are trying to find

May 17, 2010 | 1995 Buick LeSabre

1 Answer

Car cut off will not crank replaced starter, modular,senor,dropped tank to check fuel pump (works fine) car still will not crank. help please


IF ALL PLUGS + WIRES + CAP AND ROTOR BEEN CHANGED. THE PROBLEM COULD BE IN THE IGNITION SYSTEM.LIKE THE IGNITION MODULE OR COIL.SCAN IT TO CHECK TO MAKE SURE PCM IS OPERATING.MAKE SURE FUEL PRESSURE IS 40 - 47 PSI.

Sep 06, 2009 | Oldsmobile Delta 88 Cars & Trucks

1 Answer

1991oldsmobile 88 royale


check battery and connections. if all are good check all fuses under the hood and dash

Sep 06, 2009 | 1991 Oldsmobile 88

1 Answer

1992 buick lesabre firing problems


Remave the battery cables from the battery and clean the connections and replace bolts. Have seen this before.

May 17, 2009 | 1990 Buick LeSabre

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