Festiva diagnostic port location

[red rocket 2]

My 92 Festiva check engine light is on and i went to scan it and cannot find the port for the scan tool to plug in. Any help would be greatly appreciated.

[georgeb]

You don't need a tool. Ground the single white plug by the brake booster, turn the key on and count the flashes.

[Pu241]

Read many many threads, my son!

You have much to learn!

Festivas are a pre OBDI design.
No socket.
See georgeb's post.

[red rocket 2]

Thank you. I've never had my light on in over 80000 miles. So i haven't had need to scan

[red rocket 2]

But I have went through 2 head gaskets and a 5 speed trans

[Pu241]

Get the code after doing as georgeb suggested post it up here.
Depending on the code and when the CEL lights-up we can more accurately tell you what needs to be repaired/replaced.

[red rocket 2]

92 festiva code

i cant find a single white plug by the booster. i found a single clear plug. grounding it did nothing cel did not come on at all

[red rocket 2]

the cel doesnt come on when i start the car just when driving. the car starts surging going down the road like its a weak fuel pump but pump and filter are new and i made an inline pressure port to check pressure with fuel gauge. 30 psi which is i believe is proper

[red rocket 2]

are we talkin under the hood by the booster or under the dash

[TorqueEffect]

are we talkin under the hood by the booster or under the dash

Under the hood next to the booster and coil. White or Clear, it is the same plug.
Try finding a good ground, don't fully start the car, just turn the key to the "On" position. The CEL should blink if it has a stored code, long flashes indicate first digit, and the rapid flashes indicate the second digit, if there are no long flashes, then the first digit is 0.
For example, one long flash, and four rapid ones, indicate a fault code of 14.

I know my coolant sensor was sporadically faulty, only flashing the CEL occasionally when driving, but it stored the code for me to check it.

Tell us the digits, one of us should be able to tell you the fault code's meaning. Most of us have the Haynes Manual which lists the fault codes.

[sc72]

This is what you are looking for.

[red rocket 2]

Yeah i ground the clear one on the neg side of batt. turned on the key and nothing happened.

[red rocket 2]

yep thats it

[red rocket 2]

is the cel supposed to come on evertime you turn on the key

[red rocket 2]

i was mistaken the cel does light up while i am starting the car. but i ground the plug and cel doesnt light or flash. nothing