Tempo L4-140 2.3L CFI (1985)
1986 ATX
6-26E-R0
(49S) Base
E63Z-TE
E63Z-TF
625 RPM in Drive
656 RPM in Drive
6-26E-R10
(49S) Base
E63Z-TG
625 RPM in Drive
688 RPM in Drive
6-26R-R10
(Calif) Base
E63Z-UE
E63Z-UF
625 RPM in Drive
656 RPM in Drive
6-26R-R11
(Calif) Base
E63Z-UG
625 RPM in Drive
688 RPM in Drive
*
Fuel Economy Package without A/C
Technical Service Bulletin # 851414
Date: 850717
Engine - Rough Idle/Surge/Stalling
Article No.
5-14-14
STALLING - ENGAGEMENT/DECEL/IDLE/PARKING MANEUVERS - 2.3L HSC CFI
SURGE - DECEL BUCKING/TRAILER HITCHING - 2.3L HSC CFI
IDLE - ROUGH/ROLLING - 2.3L HSC CFI
FORD
1985 TEMPO
LINCOLN-MERCURY
1985 TOPAZ
If, after performing normal diagnostics, the vehicle still exhibits some or all of the detailed symptoms listed below, perform the following checks and/or
procedures:
STALLING
^
On engagement after initial cold Start 1*
^
Following a decel (Hot/Cold)
^
At idle (Hot/Cold)
^
When turning steering wheel against stops, for example: parallel parking maneuver (Hot/Cold).
^
On Hot/Hard restarts.
ROUGH IDLE
^
Engine speed may be unstable for brief periods or continuously.
^
Engine speed may roll up and down from 500 RPM to 1600 RPM slowly and/or intermittently.
SURGING
^
Surges at highway speeds light loads.
^
Decel bucking/trailer hitching. 1* Strategy requires engagement within 20 seconds after start (reference TSB 85-14-13).
Vehicle System Checks:
1.
Check that all electrical and vacuum connections of the engine control system are properly attached utilizing visual inspection and wiggle test.
(Pay particular attention to ACT, MAP and TFI connections).
2.
Check base engine timing and reset to 10 degrees BTDC as required. If pings/knocks are present set to 8 degrees.
NOTE:
If timing is adjusted then an Authorized Modifications sticker should be installed noting changes.
