Diagnostics Diagnostic Sheets N.B.: Before carrying out a diagnosis, ensure that there is an adquate quantity of good quality fuel. Problem reported The engine will not start.
Possible cause
Recommended tests or actions
Notes
Battery discharged or damaged. Check and recharge the battery. If necessary replace the battery. Battery terminal connectors loose or corroded.
Clean, inspect and tighten the battery terminal connectors. Replace the cable terminals and the nuts if they are excessively corroded.
Incorrect timing of the injector pump.
Check and adjust the timing of the injector pump.
Contact an approved Bosch agent.
Contamination or water in the fuel tank.
Detach the pipes and clean using compressed air. Remove and clean the injector pump. Remove the water from the fuel tank and refill.
Always purge the feed lines.
Insufficient fuel.
Refill the tank.
No supply.
Re-tighten or replace the supply or transfer pump.
Air bubbles in the fuel lines or the injector pump.
Check the pipes to identify the source of the air. Check the feed pump. Eliminate air from inside the injector pump by slackening the plug provided for the purpose and operating the feed pump manually.
Defective starter.
Repair or replace the starter.
The engine fails to start at low Blocage of feed pipes by temperatures. paraffin crystals resulting from the use of incorrect fuel. Cold start automatic advance mechanism operating incorrectly.
Replace the fuel with one that is compatible with low temperatures. Replace the fuel filters. Send the feed pump for servicing or replace it.
Nectis 207 – 12.2005 – GB
Contact an approved Bosch agent.
A2.29
