What mean OBD-code 85 and 87 on my 1991suburban 6.2 d

What is your question?

transmission failure , it goes into emergency-mode ,only 1. maybe 2. gear 20-25 miles/h

What makes this problem better or worse?

itÂ´s worse when the engine/transmission is hot

Visitor

Oct 31, 2018

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What are the best Chevrolet repair shops?

RepairPal Certified shops can diagnose and repair your 1991 Chevrolet K2500. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.

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What is your question?

Popular Answer

What mean OBD-code 85 and 87 on my 1991suburban 6.2 d

What is your question?

transmission failure , it goes into emergency-mode ,only 1. maybe 2. gear 20-25 miles/h

What makes this problem better or worse?

itÂ´s worse when the engine/transmission is hot

Visitor

Oct 31, 2018

1 Reply

Popular Answer

DaveJMon Oct 31, 2018

85 relates to output speed sensor readings, 87 relates to a shift solenoid "B" concern. Test procedures are necessary for determining the cause. Ensuring clean and full fluid is the first move, and then electronic transmission testing is needed.

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Popular Answer

What are the best Chevrolet repair shops?

RepairPal Certified shops can diagnose and repair your 1991 Chevrolet K2500. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.