Cold Start Stalling - Field Fix Kit
90hyundai03Group ENGINE
Number 022
Date October, 1990
Model 1989 and 1990 Sonata 2.4L
Subject
COLD START STALLING - FIELD FIX KIT
1989 and 1990 model year Sonatas with 2.4 L engines and automatic transmissions may stall when the ambient air temperature is 50-70 degrees F and the transaxle is shifted into gear immediately after starting a cold engine. A cold start enrichment field fix kit has been designed to correct this condition. This kit does not affect engine performance at any other time.
PART REQUIRED
SERVICE PROCEDURE
1. Disconnect the ground cable from the battery.
2. Remove the right hand front door scuff trim.
3. Remove the lower crash pad under cover. (non-passive restraint vehicles only)
4. Remove the right hand cowl side lower trim.
5. Disconnect the connectors from the electronic control unit (ECU) and remove the bolt securing the ground wires (G07).
6. Strap the modulator and wire harness together as shown in the illustration.
7. Connect the extension harness connectors to the ECU and the control harness connectors to the adapter. Reinstall the ground wires with bolt (G07).
8. Reinstall the cowl side lower trim, door scuff trim, and lower crash pad under cover (if applicable).
NOTE: When installing the cowl side lower trim, center the adapter on the top edge of the cowl side lower trim.
9. Reconnect the battery ground cable. Start engine and check for proper operation.
WARRANTY INFORMATION
OPERATION OPERATION OP MODEL DEFECT
CODE TIME CODES
39111R0F Cold start enrichment 0.4 Sonata 2.4L N06/C40
kit installation