Question about 1995 Buick Park Avenue

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Injector pulse car dies after a few seconds and the injectors quit pulsating before it dies

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These cars are bad about crank position sensors they send a signal to the computer to pulse the injectors

Posted on Jan 09, 2009

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2 Answers

Why i dont have injector pulse on 3 injectors?


YOU NEED EXPERT TEST EQUIPTMENT,,YOU NEED DEALER TECK HELP. TAKE IT OR TOW IT TO A DODGE DEALER

Jan 21, 2016 | 1999 Plymouth Breeze

1 Answer

I have fuel but there is no power to the injectors to make them pulsate


It's a fused circuit, so check the fuse, probably under hood, labeled injector. A shorted injector can shut down the injector drive circuit, so pull off all injector connectors, make sure fuse is good, then check for power to the injectors. Injector circuit should nave hot wire anytime key is on. Has constant voltage to injectors. When the computer internally grounds the injector ground wire, the injector will pulse.

Dec 30, 2013 | 2001 Chevrolet Cavalier

1 Answer

Injector pulse


Depending on the make model and year, usually the computer controls the ground circuit to the injectors.

Jun 29, 2013 | Cars & Trucks

1 Answer

No injector pulse


what vehicle? injector pulse controlled by computer. the computer recieves a pulse from crank angle sensor, or distributor pick up, etc.
then controls injector pulse. Mass air flow on some vehicles determines spray pattern

Jun 29, 2012 | 1991 Chevrolet Cavalier

1 Answer

What makes injectors pulsate on a 1994 corsica with a 3.1


When you turn on the ignition, power is provided to one side of the injectors. When you start the car and it is running, the computer grounds the other side of the injectors. The length of time that the computer grounds the injector is known as the pulse width. This "time" determines how much fuel is released from the injector for any particular engine cycle.

Mar 03, 2011 | Chevrolet Corsica Cars & Trucks

1 Answer

My 01 sable starts and dies and thats all it does due 2 injector pulse gets weak but if i unplug all of them it has good pulse but if i even plug any one of them it looses pulse after a few seconds


Check all injectors with a needle stethoscope. Unplug electrical connector of bad injectors, and check the signal with (injector check light). The light must pulse. If not might be a bad computer. If yes replace bad injectors with new one. Hope will help.
This is a free advice. Do not rate me.

Sep 08, 2010 | 2001 Mercury Sable

1 Answer

Stumped


Yes, the fuel injectors recieve constant battery voltage and the onboard computer controls the ground circuit by providing pulses measured in milli-seconds. Have you checked engine compression?

Mar 30, 2010 | 1990 Chevrolet Suburban

1 Answer

Chevy S-10 Start problems


If hall effect switch was bad you wouldn't get any spark.What year 2.5L is this?Is this a 2 injector Throttle Body? The pink wire on top of injectors comes thru a 20Amp fuse controlled by the Ignition switch you should have battery voltage with key on The dark green and dark blue wires come from the pcm which are called injector drivers the drivers supply a pulsating ground if you crank the engine with a test light between either pink/dk green or pink/dk blue test light should flash dimmlythat would mean injectors are being driven but there isn't any fuel at the injector or the injectors are bad no pulse means either a bad computer ( which these drivers are known for going bad)or the computer isn't being commanded to fire the injectors.

Aug 22, 2009 | 1988 Chevrolet S-10

1 Answer

IS IT POSSIBLE MY FUEL PUMP DIED WHILE PARKED IF YES WOULD IT CAUSE NO PULSE AT MY INJECTORS


injector pulse occurs regardless of fuel pressure, the pump not working has nothing to do with the opening and closing of the fuel injector, which is referred to as "pulse width" and is measured in milli seconds.

Jun 05, 2009 | 1993 Jeep Wrangler

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