Flashing check engine light on start up and loss of engine power

Tiny
91THUNDERBIRD5.0H.O
  • MEMBER
  • 1991 FORD THUNDERBIRD
  • 5.0L
  • V8
  • 2WD
  • AUTOMATIC
  • 90,000 MILES
Start my car listed above with 5.0 h.O built motor flashes check engine half shuts off and picks it self up. Idles high for 2 minutes then idles down runs rough lost half my power. I did change plugs, wires, replaced idle air control valve, didn't fix anything, but it was shot. So I don't know i'm lost. Want my power back.
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Wednesday, February 3rd, 2021 AT 8:47 AM

3 Replies

Tiny
DL AUTOSHOP
  • MEMBER
Hello, I'm Danny.

Having the check engine light on means you have a fault code stored in your vehicle's computer causing this issue. The first thing you need to do is retrieve the fault code or codes that are causing your drivability issue and low power. Here is a tutorial showing how to retrieve codes:

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

After you perform this then we ask you to get back to us with the code information and we can then properly diagnose your car. Hope this helps and thanks for using 2CarPros.
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Thursday, February 4th, 2021 AT 3:47 AM
Tiny
91THUNDERBIRD5.0H.O
  • MEMBER
Thanks.
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Thursday, February 4th, 2021 AT 6:38 AM
Tiny
DL AUTOSHOP
  • MEMBER
You're welcome!
Just be sure to get back to us with the code number or numbers and we'll go from there for diagnosis. Hope this helps and thanks again for using 2CarPros.

Danny-
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Thursday, February 4th, 2021 AT 4:15 PM

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