Slow acceleration with noise

rkabir
Tue, 11 Aug 2020 20:31:20 +0000
Maintenance/Repairs

My car Mileage is 150,000. Automatic transmission.
Suddenly at lower gear, the acceleration became really slow and when I hit the acceleration padel, there is a rattling noise. I went to 1 mechanic shop and they told me the issue is with the timing chain .
I went to another mechanic shop, they also recognized the timing chain issue from code, then decided to change the timing valve solenoid, spark plug, and transmission fluid . This improved the acceleration a little bit but the problem did not go away.
They concluded that I have either a transmission problem or a computer software problem and recommended to change any of these two.
The OBD meter also showed P1009 code (Something with PCM sensor)

Please advise if anyone has any ideas.

20 posts - 6 participants