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I have a 91 ls400 and it wasnt getting spark so i replaced the cap nd rotor thinking that was the problem nd it turned out that it wasnt. still am not getting any spark to the spark plugs or the wires. i used a test light to test in/out of the coil pack and i did have power so then i tested where the spark plug wires plug into the cap and wasnt getting any power..please help i was my ls running again!!

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  • 89 Answers

Maybe the plug wires are bad if your not getting anything

Posted on Oct 21, 2013

  • joseph Oct 21, 2013

    yeah could be but im not wven getting spark to the top of the cap where the spark plugs plug into. i have even replaced the car nd rotor.. still nothing..

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Posted on Jan 02, 2017

daves944
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SOURCE: 1991 honda accord "no spark"

There is a relay mounted way up under the dash on the driver side. It is about 1"x1"x2" and it says Mitsuba on it. This is the PGMFI relay, sometimes called the main relay or fuel injection relay. It is very likely the problem. You can buy another one, or there was a bulletin on how to repair it. You need to take it out, pop the cover off, and resolder the cracked solder joints on the pc board that the relays are mounted on. Really not that hard if you have a little soldering experience. If not, just buy another one, about 50 bucks.cb28323.jpg

Posted on Mar 26, 2009

  • 14 Answers

SOURCE: 1992 Honda Accord LX won't start - ignition problems

you have to replace the main relay located inside the car, its located underneath the cruise control module, on the drivers side

Posted on Jun 15, 2009

  • 1 Answer

SOURCE: 1990 Chevy Silverado Pick-up. No spark from the plugs.

How about the MAP SENSOR? Do you check it out?

Posted on Jun 25, 2009

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SOURCE: 91 jeep no spark

wd 40 your flywheel sensor plug

Posted on Sep 03, 2009

  • 81 Answers

SOURCE: have a 91 dodge ram 3500 van and have no spark.

I had a similar problem and had to change the distributor pick up. Quite easy and parts were less than $30.00. It was for the B250 model, and the 318 engine....but I suspect there is a similar pickup in distributor for the bigger engine

Posted on Oct 18, 2009

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