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HOMESERVICE MANUALSPLYMOUTH1984HORIZON BASE, 1.6 AREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 5 (ENGINE CONTROLS - TESTS W/CODES - 3.3L)VERIFICATION TESTSTEST VER-2 - VERIFICATION PROCEDURE
1984 Plymouth Horizon Base, 1.6 A

Test VER-2 - Verification Procedure

1984 Plymouth Horizon Base, 1.6 ASECTION Test VER-2 - Verification Procedure
WARNING: This page is about a different car, the 1994 Eagle Vision, 1994 Dodge Intrepid, and 1994 Chrysler Concorde. However, it is still accessible from the selected car via links, so may be relevant.

Inspect vehicle to ensure all engine components are connected. Reassemble and reconnect components as necessary. If another trouble code was read previously and not corrected, return to TEST TC-1A  and follow path specified by other trouble code. If powertrain control module has not been replaced, perform the following:

  • Connect DRB to Data Link Connector (DLC), and erase trouble codes.
  • Using DRB, reset all values in adaptive memory.
  • Disconnect DRB.

To ensure no other trouble code remains, perform following:

  1. If vehicle is equipped with A/C, turn A/C and blower motor on. Drive vehicle for at least 5 minutes and attain a speed of at least 40 MPH. Ensure transmission shifts through all gears.
  2. Upon completion of road test, turn engine off. Restart engine, and let idle for at least 2 minutes. Turn engine off. Connect DRB to DLC.
  3. Read trouble codes. If repaired trouble code has reset, repair is not complete. Check all pertinent TECH SERVICE BULLETINS (TSBs), and return to TEST TC-1A , if necessary. If another trouble code exists, return to TEST TC-1A and follow path specified by other trouble code. If no other trouble codes exist, repair is now complete.
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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.