My new 89 Mustang GT..

Havic2u

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Mar 12, 2021
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Hello I am new to the forum. I just picked up a 89 GT All original under the hood.
It does have a catback exhaust and aftermarket rims and tires.
Having a new top installed this week
So I do have a question the check engine light comes on after about 10-15 miles
But if I turn the car off and back on it disappears then comes back after 10-15 miles
I pull the code and it says like P0456 for a emissions leak etc (So this information is in correct the lady I bought it from said that was the error sode
She wrote down from Napa.)
So I will have to try and see what error it really is.



Thanks

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Mustang5L5

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I’m curious how you pulled a P0456 OBD2 code on a car with OBD1 where that code doesn’t exist?

what code reader are you using?
 

Havic2u

New Member
Mar 12, 2021
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I’m curious how you pulled a P0456 OBD2 code on a car with OBD1 where that code doesn’t exist?

what code reader are you using?
Yeah so the lady I purchased it from was incorrect I will see if I can scan and get the correct one.
She said that a guy from Napa scanned it for her. I will try and get the correct one