No fire to the spark plugs?

Tiny
JESSE ME
  • MEMBER
  • 1991 MERCURY MARQUIS
  • 3.0L
  • V8
  • TURBO
  • 2WD
  • AUTOMATIC
  • 150,000 MILES
Turns over good, not getting any fire to the spark plugs. Fuses are good.
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Tuesday, December 21st, 2021 AT 8:21 PM

3 Replies

Tiny
JACOBANDNICKOLAS
  • EXPERT
Hi,

By chance, do you notice if the fuel pump turns on for a couple of seconds? If it doesn't, I need you to inspect the EEC relay in the under-hood fuse box. See pic 1 for box location.

If there is a relay having the same part number, switch them to see if it starts. If there isn't, here is a link that shows how to test one.

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

If that is good, locate the ignition coil (see pic) and there will be two wires going to it. One should have power when the key is in the on or start position. The other will be ground. Check to see if there is power present.

If that isn't a problem, then we need to check for diagnostic trouble codes. This vehicle has an obd1 system which doesn't require a scanner to retrieve codes. You will need a test light. Follow the directions in this link:

https://www.2carpros.com/articles/ford-lincoln-mercury-obd1-1995-and-earlier-diagnostic-trouble-code-definition-and-retrieval

Let me know what you find or if you have other questions.

Take care,

Joe

See pics below.
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Wednesday, December 22nd, 2021 AT 6:19 PM
Tiny
JESSE ME
  • MEMBER
Thank you for your help and merry Christmas.
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Wednesday, December 22nd, 2021 AT 6:27 PM
Tiny
JACOBANDNICKOLAS
  • EXPERT
Hi,

You are very welcome. Let me know what you find. I want to get you going again. LOL

Take care,

Joe
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Wednesday, December 22nd, 2021 AT 9:22 PM

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