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Coil packs not firing

Tiny
AUTO SUPREMACY-THE MAESTRO
  • MEMBER
  • 1998 TOYOTA CAMRY
  • 4 CYL
  • FWD
  • MANUAL
  • 18,500 MILES
A South African assembled car has got both coil packs not firing. After mechanics did an engine overhaul, there initially was a weak spark at the HT cables which was intermittent and then deteriorated into this no spark. Ignition current is omnipresent there at the coil packs. What could be the problem, and what needs to be done? This is very urgent please. Thank you.
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Friday, April 7th, 2017 AT 7:41 PM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 42,878 POSTS
Hello,

There is a EFI relay that sounds like it is bad, here is a wiring diagram and a guide to help you get the problem fixed. Check for power at the coils and ECM.

https://www.2carpros.com/articles/how-to-check-an-electrical-relay-and-wiring-control-circuit

and

https://www.2carpros.com/articles/how-to-check-wiring

Please run some tests and get back to us so we can continue helping you.

Best, Ken

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Monday, April 10th, 2017 AT 11:54 AM

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