My late (RIP) brother-in-law 'borrowed' my Cadillac once. He claimed it quit running and we had it towed to a garage. Long story short, the big 500 cu.in. engine was seized. Upon teardown and inspection, I went to the garage to survey the damage. All 8 pistons were literally melted and obviously...
I'm not sure it would be a likely fix but I recall years ago when I was working in our fleet shop, we would often fix a myriad of mysterious AC issues by having the AC service guys replace the O-rings on all the AC connections.
Now normally they would evacuate the AC system and pull a vacuum on...
Prior to replacing my '93 halogen housing with '96 HID housings, I found the best results were with the Sylvania Silver Stars in the low beams and a set of modified HIR bulbs in the high beams both with relays wired in for direct battery voltage.
You need to verify fuel pressure at the fuel rail. When you turn the key on, the fuel pump should run for a few seconds. You can cycle the key on/off a few times to "prime" the fuel system with pressure. Remove the schrader valve cap on the fuel rail and hook up a fuel pump test gauge to verify...
I cannot locate the part number(s) but the '96 EATC unit is preferred.
All '93-'96 EATC units will interchange. The '97-'98 EATC units are not compatible with the '93-'96 models.
'94-'94 have the weak front buttons while the '95 was similar but improved. The '96 used more solid oval buttons.
To the best of my knowledge, the "California" moniker is simply a dealer dress-up, much like the "Presidential" and others.
I wouldn't recommend swapping PCMs unless by chance they have the same strategy or PCM catch code.
"Pearl White" 96?
What's the exterior color code?
"WK" Opal Opalescent
or
"WT" Performance White
If "WK", I may be interested in the mirrors and who knows what else.
You can probe the wires to the cam sensor and check for AC voltage when running. Should be 0.5 vac to 1.0 vac. An analog meter is best as the voltage output is not static and will be sporadic on a digital volt meter but should still show a fluctuating voltage. Checking while cranking may or may...
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