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AC blows warm air in city driving

Thanks for all of your input. 1. Does the Cycling/Pressure switch connection to the refrigerant line have a schrader valve on it so the switch can be removed w/o losing refrigerant? Can this switch be bought at an AutoZone, etc.? 2. Does anyone have recommendations for removing the clutch...
- abair
- Post #6
- Jul 23, 2002
- Forum: Gen 1 & 2 - Engine, Exhaust, Drive Line & AC syste
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Running on 5 Cylinders

It has been nearly 3 months since the last post on this discussion string but I have great news to report. After eliminating DIS failure by swapping wires and plugs in various ways and checking compression (Both checked out OK) I was left with the choice of replacing the injector on the bad...
- abair
- Post #9
- Jul 20, 2002
- Forum: Gen 1 & 2 - Engine, Exhaust, Drive Line & AC syste
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AC blows warm air in city driving

The Air Conditioner in my 1994 5 speed with Auto HVAC keeps the car very comfortable with nice cool air right after starting a trip or at highway speeds. In hot weather it will stop working and start blowing warm air when I am stuck in slow traffic or seemingly any time it gets hot under the...
- abair
- Thread
- Jul 20, 2002
- Replies: 8
- Forum: Gen 1 & 2 - Engine, Exhaust, Drive Line & AC syste
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compression test

Thank you all for your suggestions. For the record I have performed the EEC-IV cylinder test and it reports that cylinder 2 is bad. I've covered part of this saga in my first posting "running on 5 cylinders" for anyone who has just joined in. I still need to check all 6 cylinders because the...
- abair
- Post #6
- Apr 29, 2002
- Forum: Gen 1 & 2 - Engine, Exhaust, Drive Line & AC syste
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compression test

I need to perform a compression test to diagnose a dead cylinder. I have an older test set with an M14 thread and a permanently attached rubber hose. There's no way to tighten the rubber washer against the head with a wrench because the plug wells are so deep. Will tightening the fixture as...
- abair
- Thread
- Apr 26, 2002
- Replies: 5
- Forum: Gen 1 & 2 - Engine, Exhaust, Drive Line & AC syste
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Running on 5 Cylinders

Here's a small update on the diagnosis of dead cyl. # 2 described above. Following Perry's advice I measured the voltage between the red wire (from the CCRM) and ground with the key on. 12V was indicated. Then I measured the voltage between the other wire (from the PCM) and ground with the...
- abair
- Post #8
- Apr 24, 2002
- Forum: Gen 1 & 2 - Engine, Exhaust, Drive Line & AC syste
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Running on 5 Cylinders

Thank you all for responding so quickly. Perry, I really appreciate your detailed recommendations. Currently I have the intake removed to gain access to the fuel injector connectors; I did not seem possible to access the connectors w/o removing the intake. Can I take the measurements you...
- abair
- Post #6
- Apr 23, 2002
- Forum: Gen 1 & 2 - Engine, Exhaust, Drive Line & AC syste
A
Running on 5 Cylinders

I have a 1994 SHO 3.0 and it suddenly started running on 5 cylinders; On Friday it ran fine, on Monday it ran on 5 cyls. from the moment I started it. There aren't any unpleasant noises other than the sound of running on 5 cylinders. According to the EEC-IV "cylinder test" (initiated by...
- abair
- Thread
- Apr 22, 2002
- Replies: 9
- Forum: Gen 1 & 2 - Engine, Exhaust, Drive Line & AC syste