Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Lack of Engine Power

Test 1:

Test 2 - 5:

Test 6 - 8:

Test 9 - 13:

Test 14 - 16:

SYMPTOM
LACK OF ENGINE POWER

POSSIBLE CAUSES
- Air in fuel system
- Boost control vacuum supply
- Check for ECM DTCs
- Checking ECM power and grounds
- Checking for air leaks
- Checking the fuel delivery system
- DRB tests
- Engine drive belt/chain
- Fuel injector(s)
- Fuel pressure solenoid
- Fuel pressure solenoid
- Fuel pump
- Fuel system contamination
- Fuel system leak
- Turbocharger