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cold idle.. help needed !! 200 1989

posted by  newbee on  Mon Nov 24 15:01 CST 2003
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Yup, I changed the right coolant sensor. Thanks for your reply. I am familiar w/ Bosch stuff (generally) so I knew which one to go after. Those things are SO IMPORTANT ! The air duct hose is ok. The TB was prett loaded with sludge so I cleaned that a few hrs ago.
My latest finding is that the cold start inj is not going on at all ( when hooked to the harness). I gave it power off the car it it works great. I am getting 12v from the orange wire going to it. Oh..Where does the white/ black wire go to/from the CS inj? ALL the manuals (4 of them)I have paged thru say that an orange wire goes to AND from the CS inj. My 89 240DL says otherwise with it's original wiring looking at me...It has an orange wire and a blk/wht wire. I put test leads into the both sockets of the connector (disconnected frm the CS inj) and cranked the engine. I got a minute amount of voltage... like 0.3v. It cycled like an O2 sensor as I cranked the motor.
WTF?

matt>>Newbee 89 240 DL






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