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1993 Isuzu Pickup S 2.3L Excessive Emissions, MIL Lamp on
Posted to Asian Driveability on 12/6/2005 5 Replies

Vehicle came to us with an state emissions test failure. High CO and HC. Checked for codes as CEL was on. Code 21 for problem with MAP sensor came up. Attempted to check duty cycle at test wire on right inner fender. Could not get a duty cycle reading-pegged a...

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  Related Documents & Media  1993 Isuzu Pickup S

 
Message Closed w/FIX

car Vehicle Data

1993 Isuzu Pickup S

VIN 4S1CL11LXP
Engine2.3 L / 4 cyl / GAS
Trans5-speed Standard
DeliveryCARB / 2BBL
EmissionsUS FED EMISSIONS
SymptomsExcessive Emissions, MIL Lamp On
OccursAlways

Trouble Codes

21map sensor signal inncorrect
Message Closed w/FIX

car Vehicle Data

1993 Isuzu Pickup S

VIN 4S1CL11LXP
Engine2.3 L / 4 cyl / GAS
Trans5-speed Standard
DeliveryCARB / 2BBL
EmissionsUS FED EMISSIONS
SymptomsExcessive Emissions, MIL Lamp On
OccursAlways

Trouble Codes

21map sensor signal inncorrect