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I suspect that you have a fault in the wiring or a faulty TPS or MAF sensor.
Is suggest double checking all electrical connections, battery connections and ground
connections. Clean and reconnect.
Disconnect all connectors and reconnect.
Inspect the crankshaft positions sensor for damage.
Since 7 other shops looked at it, this is not a common concern.
Inspect the MAF and TPS for any faults.
You may also have a faulty computer that intermittently acts up when hot/cold. Try using a blow dryer to heat the computer and make concern present.
Try flexing and wiggling all wiring harness and connectors to verify concern and duplicate.
Please let me know if you have any additional questions by hitting the reply button.
I will be stepping out soon and be back in a couple hours.
1 shop did replace the sensor and it actually would die as soon as u put it in drive. put 2 on they had to put original back on..one last question, is it possible that the timing is off?
It is possible that the timing belt may be off a tooth or two. If the timing belt is off, normally the vehicle will not run correctly all the time. It is always a good idea to triple check all timing marks after a timing belt repair.
Out of seven shops, I would think that someone would have checked the timing.
Since your concern is intermittent and acts up with different results, I suspect one of the other items I listed.