ODES UTV Desertcross 1000cc-3, Maintenance Manual

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11. TROUBLESHOOTING
11-
10
9. Check encoder wheel.

Bent tooth. Refer to MAGNETO SYSTEM.
10. Check engine compression.

Insufficient engine compression. Replace defective part(s).
Symptom: ENGINE DOES NOT START
1. Electrical problem.

Determine if the electrical system works correctly (fuse(s), battery, wiring harness,
etc.). Refer to IGNITION SYSTEM.
2. Problem with fuel system (carburetor, fuel pump, hoses, etc.).

Clean, inspect, repair or replace defective parts. Replace defective part(s).
3. Check engine compression.

Insufficient engine compression. Replace defective parts.

Valve seat worn and/or damaged. Repair by performing valve guide procedure
(refer to CYLINDER AND HEAD). Readjust valve clearance.
4. Internal engine problem.

Overhaul engine to find defective parts.
Refer to the appropriate section in ENGINE.
Symptom: ENGINE HARD TO START
1. Check idle bypass valve.

Stuck or defective. Refer to ENGINE MANAGEMENT.
2. Check closed throttle and idle actuator with DELPHI.

Wrong TPS zero setting/idle bypass valve reset.
Refer to ENGINE MANAGEMENT.
3. Check engine compression.

Wrong adjustment (likely too tight). Refer to ENGINE MANAGEMENT.
4. Check engine compression.

Insufficient engine compression. Replace defective part(s) refer to LEAK TEST.
5. Verify spark plug condition.

Defective, improperly set, worn out, fouled. Identify source of problem and correct.
Replace.
6. Check fuel level in fuel tank and fuel pressure.

Low or no fuel pressure.
Replace defective part(s) refer to FUEL TANK AND FUEL PUMP.
7. Check CAPS (camshaft position sensor).

Defective sensor/wiring. Refer to ENGINE MANAGEMENT.
Symptom: ENGINE SUDDENLY TURNS OFF
1. Perform engine leak test.

Damaged head gasket and/or seal and/or leaking inlet/exhaust valve(s).
Replace and/or repair defective parts.
2. Check spark plugs condition and/or gap.

Fouled spark plugs or wrong spark plug gap.
Readjust gap and clean spark plugs or replace.