Question about 1997 Acura CL

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97 acura no injector pulse

Both wires at the injector have 12 volts no pulse

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The fuel control module isn't working.

Posted on Jul 05, 2015

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I have a 2006 cobalt with a 2.2 i have no injector pulse what could cause this?


You should have 12 volts to every injector with the key on. The pcm controls the pulse. If you have 12 volts, then it is the wires to the pcm or the pcm is bad. You'll need a volt /ohm meter to check the wires

Apr 17, 2015 | 2006 Chevrolet Cobalt

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My injectors arent pulsing on my 1989 k1500 suburban. I have 12 volt power to the injectors and have replaced the module in the distributior. Any one have an anwser for me


The injector ground circuit must not be working. What causes the pulse is when the computer internally grounds the injector circuit, power is passed across the injector solenoid terminals. All the injector grounds are spliced together on each bank of engine, and run into the computer. So, injector power, but no pulsing would seem a computer malfunction as long as the ground wires are good. Did you check all the injectors for pulse with the noid light, or at least both sides of engine?

Jan 23, 2013 | 1989 Chevrolet K1500

1 Answer

2000 Dodge Grand Caravan only have two injectors pulsing?


I would check the wiring harness for the injectors

Should have 12 volts with key on-- to all injectors,same
as the ignition coils

Ignition or Injectors are turned on by PCM Drivers

Do not put any voltage to injectors they are pulsed

Dec 20, 2012 | Cars & Trucks

1 Answer

96 Lumina 3.1 won't start. It runs when I spray starting fluid in the throttle body. It has 42psi fuel pressure at the fuel rail. Is it bad injectors?


It is not bad injectors, it is lack of injector electrical pulse, never would all the injectors fail at once. See if you have 12 volts (use a 12 volt probing test light, avail at any auto parts store for less than $5) to one wire of the two wire connector of each injector with the ignition key in run position. If the test shows no hot wire at the injector connectors then check fuses marked ECM1 and ECM2 in the under-hood fuse block. If they are popped then you have a shorted harness or component.

Jun 27, 2012 | 1993 Chevrolet Lumina

1 Answer

1999 vw beetle will not start. Engine tries to start but the moment it fire up, it dies. Doesnt seem to be getting enough fuel, but fuel pump is delivering. Seems injectors are not working. Wha


It is called pulse. Lack of pulse to the injectors is a wiring problem or a Powertrain control module problem. You should have 12 volts to one side of each injector with key turned to run, do you?

Jun 12, 2012 | 1998 Volkswagen Beetle

1 Answer

Wont start no fuel injector pulse


of so you have spark and fuel pressure, next check for a constant 12 volts to injectors, pulse is controlled by ground, if you have voltage check wiring to ecm

Nov 19, 2010 | 1989 Oldsmobile Cutlass Supreme

1 Answer

97 saturn sc1, #1 cylinder not firing, b4 new coil, whts next?


Vin "7" or '9"???if #4 is firing so is #1. they both fire at the same time. have you swapped the wire with number 4 or another cylinder? have you checked for a injector pulse on #1 fuel injector? Compression on #1 Cylinder?

Oct 01, 2009 | Saturn SC1 Cars & Trucks

1 Answer

My 1990 Chevy Celebrity wagon 3.1 multiport fuel injection is getting fuel to the rack at 45psi, but is not going through the injectors. Any idea the probable cause?


DO YOU HAVE 12 VOLTS ON INJECTOR WIRE ON ONE SIDE WITH KEY ON? IF SO ARE YOU GETTING SPARK? IF YOU HAVE NEITHER YOU MAY NEED A NEW CRANK SENSOR. VERY COMMON ON THIS ENGINE WHEN THERE IS A LOSS OF SPARK AND INJECTOR PULSE. INJECTOR PULSE(GROUND SIDE)IS CONTROLLED BY THE COMPUTER. IF YOU HAVE SPARK BUT NO INJECTOR PULSE AND 12 VOLTS ON INJECTOR FEED WIRE YOU MAY HAVE A FAUTY ECM(ENGINE COMPUTER)

Aug 31, 2009 | 1990 Chevrolet Celebrity

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