Diagnostic Index: Notes

CHART NO.	SYMPTOM TROUBLESHOOTING	DESCRIPTION	ACTION
1	STARTING CONCERNS	No crank	See STARTING CONCERNS .
2	STARTING CONCERNS	Hard start/long crank Erratic start/erratic crank	See HARD START / LONG CRANK / ERRATIC START / ERRATIC CRANK .
3	STARTING CONCERNS	No start/Normal crank	See CRANKS NORMALLY BUT WILL NOT START .
4	UNIQUE IDLE CONCERNS	Slow return to idle	See UNIQUE IDLE CONCERN .
5	UNIQUE IDLE CONCERNS	Fast idle Diesels/runs on	See FAST IDLE .
6	UNIQUE IDLE CONCERNS	Low/Slow idle	See LOW IDLE / STALLS DURING DECELERATION .
6	STALLS/QUITS	Deceleration	See LOW IDLE / STALLS DURING DECELERATION .
7	STARTING CONCERNS	Stalls after start	See ENGINE POOR DRIVEABILITY .
7	STALLS/QUITS	Idle Acceleration Cruise	See ENGINE POOR DRIVEABILITY .
7	RUNS ROUGH	Idle Acceleration Cruise	See ENGINE POOR DRIVEABILITY .
7	MISSES	Idle Acceleration Cruise	See ENGINE POOR DRIVEABILITY .
7	BUCK/JERK	Acceleration Cruise Deceleration	See ENGINE POOR DRIVEABILITY .
7	HESITATION/STUMBLE	Acceleration	See ENGINE POOR DRIVEABILITY .
7	SURGE	Acceleration Cruise	See ENGINE POOR DRIVEABILITY .
7	UNIQUE IDLE CONCERNS	Rolling idle	See ENGINE POOR DRIVEABILITY .
8	BACKFIRES	Idle Acceleration Deceleration	See BACKFIRES .
9	LACK/LOSS OF POWER	Acceleration Cruise	See LACK/LOSS OF POWER .
10	SPARK KNOCK	Acceleration Cruise	See KNOCKING / PINGING .
11	POOR FUEL ECONOMY	Checks for conditions causing poor fuel economy	See POOR FUEL ECONOMY .
12	EMISSIONS COMPLIANCE	Diagnostics for a vehicle that has failed an emission check	See EMISSIONS COMPLIANCE .
13	WARNING INDICATORS	MIL TCIL	See MIL/TCIL NEVER ON AND MIL/TCIL ALWAYS ON .
14	AUTOMATIC TRANSMISSION SHIFT CONCERNS	Upshift Downshift Engagement	See AUTOMATIC TRANSMISSION SHIFT CONCERNS .
15	INSTRUMENTATION	Tachometer inoperative Speedometer inoperative Fuel gauge inoperative	See INSTRUMENTATION .
16	EXHAUST SYSTEM CONCERNS	Smoke	See EXHAUST SYSTEM CONCERNS .
17	FUEL SYSTEM CONCERNS	Odor, engine compartment	See FUEL ODOR IN ENGINE COMPARTMENT .
18	ENGINE NOISE	Under hood	See ENGINE NOISE .
19	CLIMATE CONTROL	Lack of cooling A/C not functioning	See A/C DOES NOT WORK .
20	CLIMATE CONTROL	A/C always on A/C compressor runs continuously	See A/C ALWAYS ON AND A/C COMPRESSOR RUNS CONTINUOUSLY .
21	CLIMATE CONTROL	A/C does not CUT-OFF under WOT conditions	See A/C DOES NOT CUT-OFF UNDER WIDE OPEN THROTTLE CONDITIONS .
22	LIGHTING SYSTEMS -EXTERIOR LIGHTING	Stoplamps always on Stoplamps always off	See EXTERIOR LIGHTING SYSTEMS .
23	EXHAUST SYSTEM CONCERNS	Odor (sulphur/"rotten egg" smell)	See EXHAUST SULPHUR SMELL .
24	DTC P1000 RECEIVED DURING EMISSION TEST		See ALL SUPPORTED ON BOARD SYSTEM READINESS TESTS NOT COMPLETED .
25	FUEL SYSTEM CONCERNS	Fuel pump always runs	See FUEL PUMP ALWAYS RUNS .