Operation CHARM: Car repair manuals for everyone.
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 Power

1. Visually check all air hoses, fuel hoses and connections.
2. Check fuel pressure and flow.
3. Check cold start injector and air flow sensor.
4. Check injectors and injector resistors.
5. Check accelerator control adjustment and air induction system.
6. Check boost pressure and ECU multipin connector.
7. Check microswitch adjustment on throttle flap housing.
8. Check valve clearance and compression pressure.
9. Retest vehicle with new ECU.