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Old 03-07-2015, 01:06 AM   #1
criostior
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Join Date: Feb 2015
Location: Midland TX
Posts: 5
1991 R3500 TBI Rich

Howdy all, I have a 1991 R3500 CCDRW that i recently have picked up. good solid truck but runs and idles rich as Scrooge McDuck. if I give it more than 1/2 throttle it bogs and just dogs out on me. Also does it when the cruise adds fuel to regain speed. I have changed my temp sending unit as the last one was bad and it was suggested to me that the low temp signal could be triggering an enrichment map to warm up the engine. Im not getting a SES light even when it bogs down on me. I would appreciate any input as I have next to 0 experience with these TBI engines.

Here she is:


Air ride and custom interior on the horizon.

Last edited by criostior; 03-07-2015 at 01:18 AM. Reason: spelling and add pic
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