I disconnected the connector to the throttle body and tried to start the engine. And it started and kept running without stopping this time. The AFR went down to around 1 instead of 1.99. It sounds a little rough but not too bad, expected. When I manually close the throttle a little it...
I just tested the after cat oxygen sensor using ISTA, RDME diagnosis page. It always reads 1.28V. It is a four wire sensor so it is probably not wideband, so it may need to completely heat up before reading anything good.
It would be really nice to have a good working RDME test values on this...
Hi spartacus68-
That number is for after cat oxygen sensor. I did not check that one yet. Do you think your problem was solved with this sensor in the end?
I just did the compression test, they are 241 and 242 PSI.
Also, I attached injection test bulbs on the outputs, it only lights up for 2 seconds and quits while the engine is still cranking.
It seems to just not like something before engine has a chance to start up.
I thought I should share my experience with this problem so far.
I got the drivetrain error message come up on the highway, did not get any other warnings before.
I am following the ISTA test plan for the error.
Here is what I have done so far.
1- Replaced Fuel Pump Relay
2- Spark Plugs
3-...