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GM Tech (Cam)
GM Tech (Cam), Chevy Technician
Category: Chevy
Satisfied Customers: 15133
Experience:  GM Grand Master Technician 2007. 14 years experience.
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1984 chevy 2.5 will not ilde down po 22 and 34

Customer Question

1984 chevy 2.5 will not ilde down po 22 and 34
Submitted: 1 year ago.
Category: Chevy
Expert:  ASEMaster35yrs replied 1 year ago.

check TPS sensor and wiring. Check for vacuum leaks, check MAP sensor & wiring.

Code 22

  • TPS
    misadjusted.

  • Faulty
    or loose wiring and/or connections at the ECM.

  • Faulty
    TPS.

Code 34

  • Faulty
    or loose wiring and/or connections at the ECM (Terminals 20, 21 and
    22).

    Faulty
    vacuum sensor wiring and/or connections.
  • Faulty
    vacuum sensor.

See: http://www.iroczone.com/2009/10/1982-1992-ecm-trouble-codes-for-camaro-firebird/

http://www.fiero.nl/cgi-bin/main.cgi?ECMCodes

Expert:  ASEMaster35yrs replied 1 year ago.

Check for loose wiring and/or connections at the ECM (Terminals 20, 21 and
22). What is your engine vin #?