Thomascrom
Member
Reading your story is very interesting and full of knowledge, but I'm like a Netflix series waiting for the second part! were you able to find the problem? I have had an intermittent A/T light since I bought the vehicle and I have checked the basics and everything has been fine... the vehicle drives without problems but the changes are very short at about 1200 rpm and if you go at 100 110 km/h You go at about 3200 3500 rpm, I don't know if adjusting the TPS can solve it, another thing is that in the code test I have a code 11, which seems to be a TP sensor or the connections but I still haven't found the failure of light A /T that drives me crazyI checked the TPS with the van running and got a reading of 0.95V. Believing the perfect value to be around 0.78V, I set the TPS to roughly that value, and checked for flat spots in in voltage with throttle movement. Took the van for a very short test drive, and the shift issue was still present, but no A/T codes.
Today I adjusted the kick down cable a couple more millimeters to further tighten the cable at idle. There was a very small amount of slack in the cable at idle, much less than the original amount. At the current adjustment there is no slack on the cable and throttle movement immediately provides tension, however I am essentially out of threads on the 12MM nuts. The cable is completely tightened on the fine adjustment. I have not moved the lever attached by the 8MM bolts.
The van felt like it ran properly, although maybe a hair down on throttle, I assume due to the readjustment of the TPS. I reinstalled the intercooler and took it for a test drive, shift points felt like they were in the ballpark, power from a standing start was better, there was a slightly noticeable difference between starting in “HOLD” and starting in 1st, but not as pronounced as it used to be when I first purchased the van. Overdrive worked properly and the OD switch worked, with a noticeable down shift when OD was disengaged via the switch at 75-80KPH.
No A/T lights (other than at startup) and no signs of overheating. I did notice one “hiccup” driving at low speed low throttle around town when coming back home. I assume it is form my adjustments not being perfect. The hiccups feel like a wonky downshift from 2nd to 1st or maybe 2nd to 1st to 2nd.
Any thoughts? Should I adjust the lever end of the kickdown cable to get the 12MM adjustment nuts back into the middle of the threaded collar, or let good enough be good enough for now?