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Grand Marquis
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OBD1 Codes
Code 14
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OBD codes 14 and 34, Engine turns over fine, but not a hint of firing?
SDPLASKO
MEMBER
1989 MERCURY GRAND MARQUIS
5.0L
V8
2WD
AUTOMATIC
100,000 MILES
Engine turns over fine, but not a hint of firing. OBD codes 14 and 34.
Tuesday, May 23rd, 2023 AT 9:44 AM
3 Replies
KEN L
MASTER CERTIFIED MECHANIC
47,602 POSTS
I would replace the MAF and coolant sensors here is what is said about the codes:
OBD Code 14: This code indicates a problem with the Engine Coolant Temperature (ECT) sensor or circuit.
OBD Code 34: This code indicates a problem with the Mass Air Flow (MAF) sensor or circuit.
Please let us know what happens.
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Tuesday, May 23rd, 2023 AT 1:45 PM
SDPLASKO
MEMBER
2 POSTS
Thanks for your input. I will update you with the results.
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Wednesday, May 24th, 2023 AT 12:25 AM
KEN L
MASTER CERTIFIED MECHANIC
47,602 POSTS
Thank you.
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Thursday, May 25th, 2023 AT 4:59 PM
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