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1991 Cadillac Brougham P1586 Fault Code Check

When you check 1991 Cadillac Brougham car engine light came on code P1586 the reason should be Engine Light ON (or Service Engine Soon Warning Light). However Cadillac manufacturer may have a different definition for the P1586 OBD-II Diagnostic Powertrain (P) Trouble Code. So you should chech it on our car models.

P1586 1991 1991 Cadillac Brougham Code Clear

To solve P1586 1991 1991 Cadillac Brougham problem, you'll have to remove the muffler, crankcase and other components blocking the valve chamber. Then, remove the cylinder head bolts (label for easy re-installation) Adjust the jaws of the valve spring compressor until they touch the top and bottom of the valve chamber Push the tool in to compress the spring and tighten the jaws Remove the retainers and lift out the valves , compressors and springs

1991 Cadillac Brougham P1586 OBD-II Diagnostic Powertrain (P) Trouble Code Description

P1586 Throttle Control Unit Throttle Position Malfunction so you have to check ODB-II Fault Code Check list.

Reason For 1991 Cadillac Brougham P1586 Code

The reason of 1991 Cadillac Brougham P1586 OBD-II Fault Code Check is P1586 Throttle Control Unit Throttle Position Malfunction.
P1586 Code Reason

1991 Cadillac Brougham P1586 Possibble Fix Ways :

The most likely cause of this is that there is no refrigerant left in your system. This could be caused by a leak in your system somewhere, which will have to be fixed before refilling the refrigerant. If you're car-savvy and you own a set of air conditioning gauges, refilling the refrigerant is usually easy to do yourself. However, if you're not so confident, enlist the help of a knowledgeable friend or take a quick trip to the mechanic.

When you turn on the ignition, the Service Engine Soon or Check Engine P1586 1991 1991 Cadillac Brougham light should flash briefly, indicating that the OBD system is ready to scan your vehicle for any malfunctions. After this brief flash, the light should stay off while you drive as long as no problems are detected. If P1586 1991 1991 Cadillac Brougham so, you'll be glad to know that your vehicle is equipped with an early warning system that could save you time, money, and fuel in addition to helping protect the P1586!

What does fault code P1586 mean for 1991 Cadillac Brougham ?
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