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Welcome to the FFO!

I can not see enough of the connector to understand what it is about. Post any numbers written on it. Also shoot a pic of the end of the connector.

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Discussion Starter · #4 ·
Welcome to the FFO!

I can not see enough of the connector to understand what it is about. Post any numbers written on it. Also shoot a pic of the end of the connector.

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Thank you for the welcome... I have two Escorts & maybe soon a 3rd for our 17 yr old... I also checked under the dash of the 99 SE but there isn't a connector like that one. So I guess it's just for the ZX2 models. By the way, my ZX2 is a 2000.
 

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Thanks for the added data.

If you had a truck I would say this is to connect a trailer brake controller. However an Escort really wasn't built to tow any trailer.

The connector is the wrong shape for a OBD II test connection.
The connector has too few pins for a processor. This has 14 in a row and a proceeor has 16.

Any thing NOT work?
Any warning lamps on?
How many wires connected to the connector?

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Discussion Starter · #6 ·
Thanks for the added data.

If you had a truck I would say this is to connect a trailer brake controller. However an Escort really wasn't built to tow any trailer.

The connector is the wrong shape for a OBD II test connection.
The connector has too few pins for a processor. This has 14 in a row and a proceeor has 16.

Any thing NOT work?
Any warning lamps on?
How many wires connected to the connector?

>>>>>>>>>>>>>>>>>>>Action
The car is running BAD!!! And all 14 pins have a wire. I changed the plugs & wires two days ago & today changed the air filter & gas filter. I do get a Service engine light P0302... Cylinder 2 misfire detected. It nay be any number of things. I did buy some spray & cleaned the MAF & Throttle body today. And at the same time my other Escort is running bad also. Good thing I still have my old 1980 Goldwing lol
 

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That code and that condition is not because of that connector.
And spray cleaning the entire engine inside and out will not fix the code either.

Either you have an ignition system issue on that cylinder. (Swapping ignition parts to #4 would confirm that)
OR
You have a vacuum leak or an air leak down stream from the throttle body.
It is also possible and just not likely there is an issue with the fuel injector and/or EGR system.

QUESTION -
Did you have the code before or after you changed the parts listed above? Specifically the plugs and wires.

BTW I have an '86 SEI actually I have a parts one as well. Just haven't ridden in some time.

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Discussion Starter · #8 ·
That code and that condition is not because of that connector.
And spray cleaning the entire engine inside and out will not fix the code either.

Either you have an ignition system issue on that cylinder. (Swapping ignition parts to #4 would confirm that)
OR
You have a vacuum leak or an air leak down stream from the throttle body.
It is also possible and just not likely there is an issue with the fuel injector and/or EGR system.

QUESTION -
Did you have the code before or after you changed the parts listed above? Specifically the plugs and wires.

BTW I have an '86 SEI actually I have a parts one as well. Just haven't ridden in some time.

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I got the code both before & after I changed the parts.
PS... I also had a GL1500... 6 cylinder run so smooth...
 

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OK that could eliminate the ignition system. Now you are chasing a leak.

A vacuum leak or an air leak down stream from the throttle body.

As long as you are spraying cleaner shoot some around the #2 cylinder or intake runner with engine at warm idle. If the RPM changes any at all you have found your issue.

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Discussion Starter · #10 ·
I got it!!! It runs great TNX to your help & for getting me to think.
I pulled the ignition coil from the 99 & put it in the ZX2 and it runs fine.
Now I have to fix the the 1999 Escort. The bottom connector on the fuel filter came apart and I have to replace it and then buy a new ignition coil.
 

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Awesome.

Post back frequently.

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Discussion Starter · #12 ·
I will bcuz we may get another Escort in about a month. That will make 3 ha ha ha
Our 17 yr old daughter is learning to drive right now (5 speed) & doesn't know she is getting manual trans for here B-day that just past last week... Father-in-law & mother-in-law got it for her but are out of town right now... Long store, but dealing with G-ma down in So Cal & won't be back up here in Nor Cal until next month...
 
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