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I have a 2003 chevy cavalier & there is no injector pulse.but 60 pounds at the line.can u help.car wount start.

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  • Cars & Trucks Master
  • 2,101 Answers

Have you checked the crank position sensor . that would cut off the voltage

Posted on Dec 05, 2012

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Posted on Jan 02, 2017

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mrgreenz
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SOURCE: 2003 Chevy Cavalier not starting

When you turn the key, you should hear the fuel pump make a whiring noise as it dispenses the fuel. If there is no noise. the fuel pump is not working.

Have you checked the fuel shutoff inertia switch.?
Check your owners manual for location.

Posted on Dec 16, 2008

  • 383 Answers

SOURCE: Little to no injector pulse only when starter is engaged

95-97 Maximas had a problem where condensation from the A/C would accumulate in the a/c evaporator case from the drain becoming restricted or blocked, When this would occur, condensation would drip onto the ECM and a problem would develop with misfire and/or starting. I would look at the ECM where the harness connects to it for corrosion problems. If you find it, there is a chemical spray which can be used to clean the terminals and/or you can clean them, although it is time consuming and difficult to due because of how small the terminals are. After things are cleaned up, lightly coat the connections with a dielectric grease. This will prevent electrolysis.I believe you can buy these at Radio shack and possibly at an automotive parts supplier.
Also a drop in voltage during the cranking phase will cause a weak spark. Your ignition is what pulses the injectors. It takes a minimum of 9.6 volts, but ideally you want at least 10.5 or more during the cranking phase if you want to get a spark worth anything. Check the voltage on the primary side of the coil while cranking the engine.
I'll watch to see if things work out for you, let me know. ....mybunkey

Posted on Apr 18, 2009

  • 740 Answers

SOURCE: 1993 honda accord 2.2,no injector pulse

This sounds like a main relay problem here is a diagram its located under the dash under steering column its the brownish -orange box in the picture. http://www.tegger.com/hondafaq/mainrelaylocation/7-main_relay_closeup.jpg Good luck and thanks for using FIX YA

Posted on May 15, 2009

  • 55 Answers

SOURCE: 97 Chevy Cavalier misfiring

Sounds like it's you spark plug leads. Depending which engine you have in there, if you have the 2.4L then it is a module.

Posted on Jun 27, 2009

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  • 3 Answers

SOURCE: 2003 Chevy Cavalier - Driver side wiper doesn't work

Likely broke the nylon bushing cap on the left side wiper transmission assembly. Best as I can tell, the cap is not replaceable so replacement of the assembly is required. These are available new AC Delco p/n 19120840 about $75, or on ebay used for about $35. ACDelco 19120840 Windshield Washer Transmission Kit. Goold luck, mine's broke too!

Posted on Aug 07, 2010

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2 Answers

07 chevy cobalt 2.2L no injectors pulse!the fuel pump works fine!when I spray starter fluid inside the throttle body & than the want to start...NEED HELP PLEASE!!! LIKE A.S.A.P


Hi,

I would check n replace the fuel filter if needed. Also, it could be one of the spark plugs. Was it running before? Can you think of anything that happened or changed recently?

Aug 08, 2016 | Cars & Trucks

1 Answer

WHY WOUNT MY 2001 4.6 CROWN VIC STAY STARTED MY FUEL PUMP IS GOOD FUEL FILTER IS FLOWING AND STILL NOTHING I AM GETTING FUEL TO THE INJECTORS BUT STILL NOTHING


Battery -was tested
Spark & Injector Pulse-checked
Fuel Pressure -checked
MAF -is plugged in & air filter & ducting in place
At least 20 % fuel load in tank
Checked for OBD 2 Codes

Aug 18, 2014 | Cars & Trucks

1 Answer

I need a wire diagram for the injectors for a 1997 chevy cavalier 2.2


you can look at repair manuals for free on autozon website might be able to see wiring diagram there

Feb 21, 2013 | 1997 Chevrolet Cavalier

1 Answer

I have no fuel at the injectors 60 pounds at the line.


Are you getting power and a ground pulse from the computer ?

Dec 05, 2012 | 2003 Chevrolet Cavalier

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

2003 chevy cavalier no start, has plenty of fuel & spark


If it has spark then the only thing that would prevent the engine for running is the fuel - the injector aren't delivering it. First find out if you have sufficient pressure in the fuel line - take the line out from one injector, put it in a .5l bottle and put the contact; if the bottle is filled in less than 5 minutes then the pressure is enough. Now take a voltmeter and put it over the contacts of one of the injectors and crank the engine - if you read more than 10 v then the injectors are clogged - clean them. If you don't read anything it means that the ECM doesn't work.
To find out why you must read the error codes and act accordingly.

Aug 18, 2010 | 2003 Chevrolet Cavalier

1 Answer

Starting problem


back to basics, does the engine turn over, if so check spark(in line tester works best) fuel pressure(with a guage) injector signal(noid light), then go on to compression,

May 28, 2010 | 2003 Chevrolet Cavalier

2 Answers

Had no spark. Replaced ignition mod, 2 coil packs, and computer. I now have fire; problem is engine will not run, the fuel injector sprays fuel (too much i think). When i unplug the injector the engine...


Check for any wiring pinch which might have occurred when the injector was replaced. The injector is driven directly by the computer, so it seems to point at the new computer as being faulty. (pulse signal is always 'on')

Oct 08, 2009 | 1990 Chevrolet Cavalier

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