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Spark on one bank no spark on the other

Tiny
LOSTWITHTHIS CAR
  • MEMBER
  • 2001 MITSUBISHI ECLIPSE
  • 160,000 MILES
I have 2.4 engine. I have spark on one bank no spark on the other. I changed coils, spark plugs, fuel pump and fuel injectors. Crazy thing is I have power from my connection to coil pack but still no spark. At a lost. No bent valves, timing chain is good. Need help!
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Thursday, June 15th, 2017 AT 4:28 PM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,256 POSTS
Hello,

It sounds like one of the ignition coil drivers has gone out in the ECM but to be sure lets test for a trigger signal from the ECM. Here is a guide that will show you how

https://www.2carpros.com/articles/how-to-test-an-ignition-system

Please run this test and get back to us so we can continue helping you.

Cheers, Ken
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Saturday, June 17th, 2017 AT 5:50 PM

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