Help! No Fuel, No Spark! 92 LX
Help! No Fuel, No Spark! 92 LX
Hey everybody. I found my way to the forum because I'm getting stuck trying to get my fiance's 92 civic LX running. Please bear with the long post, I'm really desperate.
It simply stopped shortly after startup one time, and now it will crank strong, but makes no attempt to fire up.
I used a spark tester on the plug wires, and I'm not finding any spark at all. For kicks I also listened for the fuel pump, and found it wasn't running either. Uncovering the fuel pump revealed that the connector on top was melted, so i replaced it with one from the junkyard. Then I was not seeing voltage at the connector when the ignition was on. I unplugged the fuel injector pump relay under the driver side dash, and jumpered the 5 and 7 terminals in the connector together (per the haynes manual) which made 12v appear at the pump connector. The book says that would make the pump relay bad, but i bench tested it (per the book), and it works ok.
Next I checked ALL fuses under the dash, and under the hood, and no problems there either!
What else could be causing this problem? Bad ECU? I read something about an Electronic Load Detector (ELD) but I can't find it to test it!
Please give me some more ideas of what to check! And thank you for reading!
It simply stopped shortly after startup one time, and now it will crank strong, but makes no attempt to fire up.
I used a spark tester on the plug wires, and I'm not finding any spark at all. For kicks I also listened for the fuel pump, and found it wasn't running either. Uncovering the fuel pump revealed that the connector on top was melted, so i replaced it with one from the junkyard. Then I was not seeing voltage at the connector when the ignition was on. I unplugged the fuel injector pump relay under the driver side dash, and jumpered the 5 and 7 terminals in the connector together (per the haynes manual) which made 12v appear at the pump connector. The book says that would make the pump relay bad, but i bench tested it (per the book), and it works ok.
Next I checked ALL fuses under the dash, and under the hood, and no problems there either!
What else could be causing this problem? Bad ECU? I read something about an Electronic Load Detector (ELD) but I can't find it to test it!
Please give me some more ideas of what to check! And thank you for reading!
Re: Help! No Fuel, No Spark! 92 LX
It simply stopped shortly after startup one time, and now it will crank strong, but makes no attempt to fire up.
I used a spark tester on the plug wires, and I'm not finding any spark at all.
check the cap/rotor for cracks and the terminals for corrosion/damage.
Also check the plugs are in working order.
For kicks I also listened for the fuel pump, and found it wasn't running either. Uncovering the fuel pump revealed that the connector on top was melted, so i replaced it with one from the junkyard. Then I was not seeing voltage at the connector when the ignition was on. I unplugged the fuel injector pump relay under the driver side dash, and jumpered the 5 and 7 terminals in the connector together (per the haynes manual) which made 12v appear at the pump connector. The book says that would make the pump relay bad, but i bench tested it (per the book), and it works ok.
Using the voltmeter check for continuity, look for bad grounds and/or shorts somewhere. fuses didnt break on you...which is odd if its melted the connector at the pump?
Next I checked ALL fuses under the dash, and under the hood, and no problems there either!
What else could be causing this problem? Bad ECU? I read something about an Electronic Load Detector (ELD) but I can't find it to test it!
If the connector to the pump is melted this to me says short out!!
look for this to begin with^
Last edited by FGCOUPE; Sep 14, 2008 at 11:07 PM.
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