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1990 Volvo 740 2.3L MIL Lamp on
Posted to European Driveability on 2/7/2005 6 Replies

Hello Techs, Got a '90 Volvo 740 with a code 143 that won't go away. The car came here with a check engine light on, and a good explanation of what had been done to cure the code.

First the customer took it to another shop, and they tested the circuits and c...

6 Replies Received (View Replies)

  Related Documents & Media  1990 Volvo 740

 
Message Closed w/FIX

car Vehicle Data

1990 Volvo 740

VIN YV1FA884XL
Engine2.3 L / 4 cyl / GAS
Trans4-speed Automatic
DeliveryFI / Regina fuel system
EmissionsOBD1 w cat
SymptomsMIL Lamp On
OccursAlways
Misc.Regina Fuel System, Rex 1 Ignition

Trouble Codes

143No Knock sensor signal recieved
321cold start valve - ignore- caused by field fix to cold start system
Message Closed w/FIX

car Vehicle Data

1990 Volvo 740

VIN YV1FA884XL
Engine2.3 L / 4 cyl / GAS
Trans4-speed Automatic
DeliveryFI / Regina fuel system
EmissionsOBD1 w cat
SymptomsMIL Lamp On
OccursAlways
Misc.Regina Fuel System, Rex 1 Ignition

Trouble Codes

143No Knock sensor signal recieved
321cold start valve - ignore- caused by field fix to cold start system