P2138 mitsubishi

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Remember Me? Results 1 to 6 of 6. Garage Spot. Limped to a side street to check the oil level as an oil change was the latest action taken on the car. It was slightly over filled. The "Service Engine Soon" light was on.

P2138 mitsubishi

Code No. Check code No. P accelerator pedal position sensor main circuit low input Refer to. P accelerator pedal position sensor sub circuit low input Refer to. Engine-ECU checks the accelerator pedal position sensor output signal characteristics for abnormal conditions. Ignition switch is "ON" position. Change of accelerator pedal position sensor main output voltage per 25 milliseconds is less than 0. Voltage obtained with the formula given below is more than 0. Throttle opening degree is restricted. Throttle opening degree position is in default position if accelerator pedal position sensor sub fails. Failed accelerator pedal position sensor Harness damage in accelerator pedal position sensor circuit or loose connector contact Failed engine-ECU. STEP 1. Perform resistance measurement at accelerator pedal position sensor connector. Disconnect connector, and measure at harness side.

I am going to pull apart the connectors to both the sensor and throttle body today and clean them and apply dielectric grease p2138 mitsubishi them as instructed by another member over PM. After replacing the accelerator pedal assembly, reconfirm whether the diagnosis code is set.

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In this video, our mechanic breaks down the P code, its symptoms, including poor acceleration and reduced power mode, and shows you how to diagnose the potential causes so you know what to do to clear the code. Want to watch more videos like this? Visit our video library for thousands of automotive diagnostic and how-to videos. As our mechanic explains in the video above , a gas pedal has two APP sensors to essentially serve as fail-safes for each other in case one triggers an error code. He uses an OBD-II scan tool to look at the data for both sensors to see whether the sensors are working normally. You can see if the data correlates by watching it on your scan tool as you press the gas with your car parked. We recommend addressing the issue causing code P as soon as possible. If the data changes, that indicates the issue is stemming from the pedal itself and not the sensor wires. You can also watch the data being graphed while you wiggle the wires to see if the data changes, which would indicate a wiring or connector issue is triggering P

P2138 mitsubishi

Advertiser Disclosure. The voltage readings going to the Engine Control Module ECM from the throttle body position sensor and accelerator pedal position sensor do not match each other. On older vehicles, the throttle body was connected to the accelerator pedal via a throttle cable which was a mechanical link between the two.

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Recommended Communities. Log in. JavaScript is disabled. I sprayed the connector for the TPS as well as the connector for the throttle body with the connector cleaner and then applied dielectric grease to each terminal in the connector and reconnected. STEP 9. Ignition switch is "ON" position. Last week I was slowly coasting down my neighborhood street and suddenly I felt power loss in the car accompanied by the check engine light. The flagged code is P which represents a bad throttle position sensor. I wrote down exactly what was in the service report of my car in my post -- "High resistance on pin 7 connector ZB Check code No. Go to Step 5.

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Reconfirmation of diagnosis code. Go to Step During all of this, I made a comment about how just two days before I had to replace my battery and that is the only thing that changed in the target time that this started happening. Check of damage in EV line between accelerator pedal position sensor connector and engine-ECU connector. I removed the intake tube and sprayed and wiped out the inside of the throttle body thinking that maybe some deposit was sticking it open causing the computer to read false signals. Engine-ECU checks the accelerator pedal position sensor output signal characteristics for abnormal conditions. To the person that gets my car Everything including the wiring harnesses and grounds checked out perfect in the car. Replace the engine-ECU. Voltage obtained with the formula given below is more than 0. Garage "Bernie"? Deals Forum. I have since replaced my throttle position sensor with 2 separate brand new sensors from the dealer, both of which have done nothing to fix the code. I feel like I would have more issues and I have done enough google searching to find this to be a common problem with outy's and ralliart lancers.