Operation CHARM: Car repair manuals for everyone.
Home >> Volvo >> 1992 >> 240 L4-2.3L SOHC VIN 88 B230F >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Testing and Inspection >> Symptom Related Diagnostic Procedures >> Driving Problems >> LD. Engine Runs Rough Under Load
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

LD. Engine Runs Rough Under Load



LD1

Checking The Fuel Pressure And Residual Pressure




-Check the fuel pressure and residual pressure. Fuel Pressure

-Check the hoses for air leaks.

If the fuel pressure, residual pressure and hoses are OK

-Connect the test box LD2.

LD2

Connecting The Test Box




-Connect the test box. Pin Out Test with Volvo Test Box

-Check all signals to MFI LH 2.4 or LH 3.1 in accordance with PB. Signal description MFI LH 2.4 or LH 3.1 as well as all to DI EZ 116 K in accordance with PC. Signal description DI EZ 116 K. Test Box, Signal Description
pro multis · About Operation CHARM