P2135 - what should i try 1st?

[milesvinson]

2007 Chevy AVeo5 SV 5 speed. 332.400 miles, drive by wire. last winter got a DTC P2135. I cleaned the throttle body and had to replace the Air intake sensor. Problem went away.

2-3 weeks ago P2135 + P2135pd appeared after driving in heavy rain. I cleared the code with scan tool. codes reappeared the following week. I erased again and they came back 2-3 days later. I erased and today the check engine light came on while driving home from work. The engine acted like it would not take the gas. After I stopped by the store for milk, the car ran without hesitation again. When I got home I read the codes. I got a P2106, P2110, P2135, P2101. lOOKS LIKE P2106 and P2110 are saying the care was put into one of the 4 reduced power modes. sounds like the other two have to do with the TAC - throttle body sensors and the APP - accelerator position sensor. what should i try 1st, 2nd, 3rd, etc?

[avguy]

A real-time data stream scanner might be a huge help in diagnosing the issue with your Aveo. Seeing key parameters such as fuel trim, TPS %, MAP, etc can often be very important in diagnosing the actual issue. And a multimeter would be another important tool to have, if you get into measuring sensor voltages. If you're not interested in going that route, I believe the part-hangers have had the most success with a throttle body (i.e. a TPS) for that group of codes.