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1999 Chevrolet Express 1500 4.3L Lock Up
Posted to GM Transmission on 5/15/2006 7 Replies

First off when going into lock up at around 45mph. the trans. seems to go in & out of lock up almost like lightly tapping brake peddle can watch rpm change on scan tool but see no other commands to disengage lock up have only one code for o2 [...] is not a shu...

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  Related Documents & Media  1999 Chevrolet Express 1500

 
Message Closed

car Vehicle Data

1999 Chevrolet Express 1500

VIN 1GCFG15W5X
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
AffectedLock Up
Message Closed

car Vehicle Data

1999 Chevrolet Express 1500

VIN 1GCFG15W5X
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
AffectedLock Up