CAR WAS RUNNING AND JUST STOPPED

1997 Buick Lesabre

Tiny

mstraddeck

January, 8, 2013 AT 5:31 PM

Car was running and just stopped. Cranks over but won't start. Put in new fuel pump and filter. Have fuel pressure and spark on plug. No codes do to battery going dead. Checked all fuses.
Whats next?

FOUND 1935 RELATED QUESTIONS

8 Answers

Tiny

JDL

January, 8, 2013 AT 5:42 PM

Use a gage and check fuel pressure. Did you visually check for spark at the plugs, engine cranking? Did you check for spark at more than one spark plug, engine cranking? Engine cranking, do you have injector pulse? What about security system?

Tiny

mstraddeck

January, 8, 2013 AT 8:05 PM

Used the pressure tester from Auto-Zone for the new fuel pump. Tested only one plug. Engine cranks. How do you check injector pulse? Do not think it is security system since it was running and the just stopped.

Tiny

JDL

January, 8, 2013 AT 8:42 PM

If your system lost battery voltage, it could have went into theft lock? You could use a noid lite to check fuel injector pulse. The autostore sells noid lites. You could probably use an led testlite between voltage and ground at the injector electrical connector.

Tiny

mstraddeck

January, 8, 2013 AT 9:41 PM

Car stopped running on the freeway. Pulled over and it turned over but did not start. Going to get test light.

Tiny

mstraddeck

January, 8, 2013 AT 11:03 PM

Noid light came on and the second spark plug is working. How bright should the spark be? I could see the spark but it was not very bright. This was during the day.

Tiny

JDL

January, 9, 2013 AT 2:45 PM

The noid lite should pulse.

Tiny

mstraddeck

January, 9, 2013 AT 3:28 PM

The light turned on and off as the car cranked over.

Tiny

JDL

January, 9, 2013 AT 4:41 PM

Some possibilities, contaminated fuel-- Issue with tps sensor or circuit-- Egr system-- check coolant temp sensor--- restricted exhaust--- check idle air system and check for vacuum leak--- check map and maf where applicable--- check pcv system--- Do a compression test, if you haven't already.

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