I have read all sorts of wonderful information (courtesy of Hailers and NZ mostly! THANX GUYS!)on diagnosing/solving/bandaging the hotstart issues that so many of us seem to have.

I had my injectors serviced about 5 years ago and I've had hot start issues for the last 2 years.
Is it possible that they are leaking? And as for a compression test, I'll do that soon but I'm hesitating on buying the 30-40$ tester...

I'll do the FSM test on my injectors, but before that I would like to "depin" the 3b wire from the ECU harness but right now to me that sounds like you just yank it out and I'm sure that's not it...

so...

How does one properly depin a wire from the ecu harness?

Thanks for indulging my noobiness.

 

Pull it out of the socket?

I'd say depends on if you want it gone, or what, if gone just snip? I haven't touched the ecu connectors, only seen pics but if it's like server (computer stuff) I'd try to pull it out of the connector some how, take alook and try to get it out without breaking it, you may beable to push it back in after if you still need the pin

 

Pulling pins out of a connector can be a pain if you havent done it before. There will be a small plastic clip that holds the metal pin in place and you have to push it away with a small pick. But if your having hot start issues I would make sure your coolant temp sensor is plugged in and working properly before digging up your ecu connector, it can get pretty ugly for your first time.

also: you can rent out those compression testers from auto parts stores.

 

http://www.bmotorsports.com/shop/ind.../cPath/111_113

there are a bunch of tools here. the bottom set or maybe the AMP one above it would work. AMP is a tyco brand, and tyco makes our ECU connectors. I plan to pick up these tools as soon as funds improve.

 

the only good way is tu use the tools in that link above, you just stick that tool in the hole and gently pull the wire out

 

its for sucking hot lead

 

It is extremely easy. You just need one of those flathead eyeglass screwdriver sets.

If you look into the plug from the side that plugs into the ecu you will see a plastic barb, You get the eyeglass screwdriver of the appropriate size and slide it in pressing down the barb. Then grab the pin from the wire side and gently pull it out.

When you put the pin back in, make sure you are putting it in the right direction so the barb catches the pin. It will click into place.

I just did this a month ago when I added grounds at the ECU.

 

Linky to the info you saw? I have hot start issues, but my car runs great and has good compression.

I would really appreciate it!

 

bumping the thread because this is the best info i found on depinning the harness.

I needed to know if you pull the pin out the back or the front of the plug. Very helpful info.

 

You pull the pin out in the direction the wire is going. But you may have to use the tool on the other side of the connector.

 

LARGEORANGEFONT has it down pretty much perfectly in his post above.

A tiny flat head screwdriver like you get in one of those cases of jewelery (sp) screwdriver sets. Then from the end of the plug that enters the ECU, you look in the socket and you'll see a small plastic tab that is holding the wire terminal in the plug. You press that tab down and at the same time pull on the wire that your extracting.

For what it's worth....................the water thermo sensor if unplugged makes the signal fail to 180*F meaning to me a unplugged water thermos sensor will not effect hot starts since it's already failed to a hot temperature. A unplugged water temp sensor will cause very difficult COLD starts though ......unless you live in Florida where the temp never falls below 80*F.

 

Well, almost. It was 30*F here this morning and I couldn't leave for work until I scraped the frost off of my windshield. Should be 70*F again in no time though!

 

hell, the best tool i've found to remove the pins from these connectors is a cheapo small straight pick that i filed down on the bench grinder..

i actually have the special tools for electrical connectors but it doesn't always grab under the tab very well.

 

I feel your pain, weather here has been insane the last few days!