Symptom Diagnosis

Symptom checks cannot be used properly unless problem occurs while vehicle is being tested. To reduce diagnostic time, ensure self-diagnostics has indicated no faults are present before diagnosing a symptom. Diagnostics available for symptoms are as follows:

• NO CRANK/SLOW CRANK 
• STALLS OR QUITS ON ACCELERATION, CRUISE, DECELERATION OR IDLE 
• NO-START/NORMAL CRANK, ERRATIC START OR CRANK, HARD START/LONG CRANK OR STALLS AFTER START 
• ENGINE WILL ONLY IDLE 
• SLOW RETURN TO IDLE OR FAST IDLE 
• ROUGH OR ROLLING IDLE OR STALLS WHEN ENGAGING CLUTCH 
• RUNS ROUGH, MISSES, BUCKS OR JERKS, HESITATION, STUMBLES, SURGES (ON ACCELERATION OR CRUISE), LACK OR LOSS OF POWER, OR POOR FUEL ECONOMY 
• CHECK ENGINE LIGHT CONCERNS 
• EXHAUST SMOKE 
• CRUISE (SPEED) CONTROL INOPERATIVE 
• TRANSMISSION CONTROL INDICATOR LIGHT CONCERNS 
• AUTOMATIC TRANSMISSION SHIFT CONCERNS 
• HIGH OIL CONSUMPTION/LEAKS 
• HARD START/NO-START - DRY RESERVOIR