Troubleshooting Guide — 16 Engine Stalls Suddenly (Intermittent)
F2-47flowchart16 ENGINE STALLS SUDDENLY (INTERMITTENT)
DESCRIPTION:
• Engine intermittently stops running
• Before stalling, engine condition is OK
NOTE
[TROUBLESHOOTING HINTS]
1. Intermittently no spark or no fuel injection caused by vehicle vibration, acceleration, or deceleration
• Poor connection in wire harness
16 Engine Stalls Suddenly (Intermittent)
1
STEP 1: Is "00" displayed on SST with ignition switch ON? (page F2-73)
No
Diagnostic trouble code No. displayed — Check for cause (Refer to specified check sequence) (page F2-74)
Yes
2
"00" displayed — Go to next step
3
STEP 2: Check for poor connection of the following parts: Ignition coil; Ignition control module; Distributor; High-tension lead; Fuel injector; Fuel pump relay; ECM
Yes
Repair or replace
No
4
Go to next step
5
STEP 3: Are ECM terminal voltages OK (especially 1B, 3A, 3B, and 3C)? (page F2-141) Note: When checking voltages, tap, move, and wiggle harness and connector to recreate problem
No
Check for cause (page F2-141)
Yes
6
Go to Troubleshooting No.2: "CRANKS NORMALLY BUT WILL NOT START (NO COMBUSTION)" (page F2-21)