harmonium Posted January 26, 2021 Share Posted January 26, 2021 Hello everyone . i own a buick reatta 1988 ,it was running fine now its show on code diagnostic code E021 the car doeesnt want to start run,, i dont know exactly what to fix, can someone help give me informations, thank you Link to comment Share on other sites More sharing options...
padgett Posted January 26, 2021 Share Posted January 26, 2021 Current or History ? E021 s the TPS reading too high. What is it reading ? ED01 (should be .38-.40v with throttle closed). Link to comment Share on other sites More sharing options...
harmonium Posted January 26, 2021 Author Share Posted January 26, 2021 Hello sir i dont know for that what is reading but i know if i clear everything the code E021 always come back., do iave to change a part thank Link to comment Share on other sites More sharing options...
harmonium Posted January 26, 2021 Author Share Posted January 26, 2021 what is ED01 where do i find that code Link to comment Share on other sites More sharing options...
padgett Posted January 26, 2021 Share Posted January 26, 2021 OY. Built in diagnostics are described in section 6E3 of the 88 FSM. I cannot append a .pdf. Link to comment Share on other sites More sharing options...
harmonium Posted January 26, 2021 Author Share Posted January 26, 2021 ok sir ill do ill check for that and for that key on for current for sure i know how to go to diagnostic and find OD01 to read it im at work break time over ill come back for the answer thanks very much ps: if its not reading that its mean the tps senor is bad and need to be change Link to comment Share on other sites More sharing options...
harmonium Posted March 21, 2021 Author Share Posted March 21, 2021 hello there thanks for your information. late entry sorry , just to tell i fixed the car ,ichange the crank sensor and even if i change last year the coil ignition, it was not working again i also had a fuse ignition in the engine bay blow now the car doesnt stop anymore working ,thank you. Link to comment Share on other sites More sharing options...
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