Operation CHARM: Car repair manuals for everyone.

LA. Poor Acceleration



LA. Poor Acceleration

LA1




Mechanical Overview
- Check the camshaft position relative to the crankshaft.
- Check that the air intake and air filter are not clogged.
- Check that pre-heat vent is not open when the engine is warm.

If the camshaft position, air intake, air filter and vent are OK
^ Connect the 3 gas meter LA2.

LA2




Connecting The 3 Gas Meter
- Connect the 3 gas meter before the TWC.
- Start the engine.
Read off the HC content when the engine is idling.

If the HC content is above 400 ppm
^ Check the ignition coil, ignition leads, rotor and spark plugs.

If the HC content is under 400 ppm
^ Connect the test box LA3

LA3




Connecting The Test Box
- Connect the test box in accordance with P1-P4. P. Test Box, Signal Description
- Check all signals to MFI in accordance with PB. Signal description MFI PB. Signal Description MFI LH 2.4
and all signals to DI in accordance with PC. Signal description DI. PC. Signal Description DI EZ 116 K