1975 1.8L with original L jet injection. I solved the fuel pump issue, yellow wire on terminal IV instead of III. The car started and ran. I let it warm up and shut it off to checked for leaks. Went to restart it, the starter cranks but the engine won't start. I let it sit for 10 minutes and it starts. Let it run for 5 minutes, shut it off and it won't start. What should I be looking for???
This exact thing happened to my car a few years ago. Go out in the morning, or any first start of the day, and it would start and run fine... park it, go into a store then come out and it wouldn't start.
IIRC it was the Cylinder Head Temperature (CHT) sensor. I had my mechanic replace it (Rich Bontempi) and it was all fixed!
mine was also a '75 1.8 L-jet.
-Peter
As said, CHT or fuel pump check valve is leaking, not holding residual pressure in the system for a period of time.
That is located on the passanger side under the engine tin. Can I remove the tin and replace the sensor without dropping the engine?
13 mm socket with a groove or part of the side ground out for the wire to fit through. No need to remove tin. A pain in the ass due to location, but it can be done.
yes a deep socket helps a lot, if you get a long enough socket, the pigtail wire can hang out the end and you might be able to turn it with a vice grip, else grind a slot in the sockets side to let the wire hang out.
I strongly suggest liberal use of penatrating oil the day before, they can get stuck, and I have had one where teh senodr top twisted off, leaving the threads behind!!
us anti-sieze on install
ps often the wires fails intermitantly breaks in insulation cause shorts, or open wire stands cause opens. these can be reapired often!!!!!!
I had a bad cht once that I could pull the wire taught and it would run great. Let the tension off the wire and it would die. I tied a string around it and tied the other end off to something, pulled it tight and drove it that way for several months before replacement.
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