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Justin Case Auto

Homosassa, FL

Justin Case Auto has not written a profile yet.

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Question Answered: 

If the pressures are good when it goes warm and the outlet pipe from the evaporator is still cold at that time it may be a problem with the ATC system in the vehicle.


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Question Answered: 

Have a shop smoke test the intake system for vacuum leaks


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Question Answered: 

I agree with the two above but because the battery is drained when starting cold have it tested also, it may be starting to get weak.


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Question Answered: 

In my opinion... we go with factory convertors when ever possible but I have had luck with the Walker brand. I agree with Pushrod, you may want to test/change the O2 sensors first. We alway but in new O2's with new convertors so sometimes we will change them first with the understanding the customer may need a convertor also. We do all the O2's upstream and down stream.


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Question Answered: 

First is to check the key fobs. The metal tab that holds the battery in will come loose a lot on these GM fobs. If it is get the fob repaired or replaced first.


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Question Answered: 

If the intake manifold has not already been updated to the new one do yourself a favor and replace it with the job. You'll be better off in the long run.


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Question Answered: 

Check for dirt in the tank. If it looks clean I would go to a different brand pump. You should also check the electrical connector at the pump, make sure it clean, tight, and not burnt.


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Question Answered: 

If I remember correctly the '92 Cadillacs have the resistor pellet in the key. Because you already tried a different key the problem could be a broken wire from the ignition tumbler to the connector under the dash. Have someone test the resistance of the tumbler and replace if needed.


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Question Answered: 

Get some throttle body cleaner (I don't like starter fluid) and spray a little in the throttle while cranking and see if the vehicle will start. If it starts check for fuel injector pulse. If it does not start check compression for possible timing chain issue.


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Question Answered: 

Go to a shop and have you brakes inspected and rotors measured for warpage. Most likely is warped rotors but let a shop see if something caused it.


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