Fault-Tracing Information
Fault-tracing information
Poor acceleration, engine sluggish
Condition
- no Motronic 4.4 diagnostic trouble codes (DTCs) stored.
- no AW 50-42 diagnostic trouble codes (DTCs) stored.
- engine at normal operating temperature.
- the fault is permanent.
Possible source
- ignition retardation due to knock
- defective rotor/distributor cap.
- damaged ignition cables.
- blocked air cleaner (ACL)/air intake
- uneven compression
- low fuel pressure
- blocked exhaust system
- faulty sensor signals.