| Subject | Date Asked | Expert |
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| Service ride control warning light | 7/28/2007 | Tom Joy |
Q: How can I check the error codes associated with this warning light? How can I turn it off? The car ...
A: 1. turn ignition switch ON, Engine OFF. 2. Simultaneously push and hold the OFF and WARMER buttons ...
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| tramission | 7/28/2007 | Tom Joy |
Q: my trans will slip in and out of gear when i stop but while moving shifts and rides smooth i have a ...
A: Pictures are NOT allowed on this website and I do NOT own this website. Therefore, I need you to ...
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| 1990 Cadillac Sixty Special | 7/26/2007 | Tom Joy |
Q: Iam having a idle problem. While at a full stop the car will start to act like it is going to die. ...
A: I can provide you with the PICTURES and diagnostic test procedures for the codes E75 as E 52 just ...
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| ACM B1314 Error code | 7/26/2007 | Tom Joy |
Q: Can anyone clue me in on how to resolve this problem, Is it a relay of fuse that needs to be ...
A: Is the code CURRENT or HISTORY ?. When the code displays on the display panel it will also state ...
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| 95 Sedan D 4.9 intermittent stall | 7/26/2007 | Tom Joy |
Q: I have a '95 sedan deville with a 4.9 that intermittently stalls. Never at idle, only while in ...
A: The ONLY way to diagnose a fuel pump problem is to attach an external fuel pump gage on the fuel ...
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| 1989 Cadillac Seville | 7/26/2007 | Tom Joy |
Q: The AC recently lost its freon (which I am assuming because there is no cold air ). Just this ...
A: All appear to be related. The FIRST thing you need to do is fix the cooling fan problem. Perform ...
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| 1981 Cadillac Diesel | 7/25/2007 | Tom Joy |
Q: I have a 1981 Coupe deville. It has a 5.7 Diesel engine. I need an oil coolant line for it. Do I ...
A: he starting problem could be: faulty GLOW PLUG CONTROLLER. air in the fuel line due to a very ...
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| 1995 deville calibration failure | 7/24/2007 | Tom Joy |
Q: Tom, For the past 2 weeks my '95 deville (4.9L) has been doing a couple of odd things and I don't ...
A: I have only seen this a couple of times. You need to remove the cluster and test each electrical ...
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| tramission | 7/24/2007 | Tom Joy |
Q: my trans will slip in and out of gear when i stop but while moving shifts and rides smooth i have a ...
A: Are the codes CURRENT or HISTORY ?. E098 = Fault in the idle speed control motor and or you have a ...
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| Suspect Cruise Control Problem | 7/23/2007 | Tom Joy |
Q: I recently bought a 1993 Sedan Deville (very nice, 60,000 miles) from the estate of an older couple. ...
A: The stalling is most likely caused by a blackish residue on both side of the throttle plate and on ...
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| codes | 7/22/2007 | Tom Joy |
Q: I have a 83 seville with 4.1. I am getting a service code 26 and 1.8.8,. Any info on this? Thanks
A: 1. Turn the ignition switch to the ON position, Engine OFF. 2. push the off and warmer buttons and ...
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| 1992 Cadillac Eldorado Twilight Sentinel | 7/22/2007 | Tom Joy |
Q: The Twyilight Sentinel in my 92 Eldo is Inop. I Checked all the fuses and they are all fine. Any ...
A: It could be a faulty: twilight photo cell. head light switch rheostat. twilight sentinel module. ...
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| AC compressor | 7/16/2007 | Tom Joy |
Q: Will my Cadillac (94) sts run if the serpentine belt does not go around the ac compressor pulley?
A: I doubt that the belt will stay on the other pulleys. Also whenever you go to use the climate ...
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| cadillac sts 1997 a/c not working | 7/16/2007 | Tom Joy |
Q: The air is not working on my cadillac and it needs more freeon. I have looked through previous ...
A: If the compressor is NOT running, You cannot add freon thru the low side pressure port. You need to ...
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| Check Engine light | 7/16/2007 | Tom Joy |
Q: I have a 1992 cadillac seville and my check light is on and the car seems to run good but i cant get ...
A: The first thing you need to do is erase ALL the CODES from the computer and see which ones return. ...
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| Check Engine light | 7/15/2007 | Tom Joy |
Q: I have a 1992 cadillac seville and my check light is on and the car seems to run good but i cant get ...
A: 1. Ignition ON, Engine OFF. 2. Simultaneously push and hold the OFF and WARMER buttons on your ...
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| Fuse Box | 7/14/2007 | Tom Joy |
Q: I have a 1992 Cadillac Deville and my dash board lights and digital gas gage has went completely out ...
A: Could be a fault in the dash board wiring or the dash board itself and or a faulty wire with the ...
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| 95 cadillac sedan deville | 7/13/2007 | Tom Joy |
Q: i was drivin the car, came to a stop, gave it some gas and the car bogged down, when eased on the ...
A: What is your fuel pressure when the ignition key is turned to the ON position ONLY, WITHOUT trying ...
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| 1998 eldorado stumble | 7/12/2007 | Tom Joy |
Q: I have a 1998 eldorado.My question is this:It idles great and runs super at pick up and when ...
A: Could be a residue buildup within the throttle plate area that needs to be cleaned, An intermittent ...
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| 1993 cadillac seville | 7/12/2007 | Tom Joy |
Q: I have a 93 Seville that I cant get the outside air flow vent inside the car to turn off even after ...
A: If you are referring to the black blower motor, You need to replace the BLOWER POWER MODULE which is ...
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| 1990 Cadillac Sedan DeVille runs rough | 7/9/2007 | Tom Joy |
Q: Car has 101000 miles, had tuneup at 100000, plugs wires etc. before tuneup car started running ...
A: You do NOT want to disconnect the battery as it screws up all the sensor settings within the ...
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| 90 deville | 7/9/2007 | Tom Joy |
Q: what do codes e91 and e98 means i have a book but they are not listed
A: E91 = Park/ Neutral circuit problem. E98 = High RPM Park/Neutral to drive/reverse shift under ISC ...
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| 1973 cadillac a/c | 7/8/2007 | Tom Joy |
Q: I have a 1973 elderado with auto temp control. The fan comes on when the temp know is lowered but ...
A: See if there is a small 3 wire black small square box about an inch square near the receiver drier ...
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| 98 Catera Intermittent System Failures | 7/7/2007 | Tom Joy |
Q: My 98 Catera is having issues. Since Thursday (07/05/07) the vehicle completely shuts down while I ...
A: If it was the crank sensor you would get a CHECK ENGINE LIGHT on the dash. The fuel pump relay is ...
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| trouble | 7/2/2007 | Tom Joy |
Q: 1996 Cadillac Sedan Deville: When i start her up in the morning i hear a knocking sound. this ...
A: You MUST, CLEAR (erase) ALL the codes FIRST and then re-enter diagnostics to see if any codes ...
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| 1994 Cadillac SLS ( Seville ) Transmission Trouble | 7/2/2007 | Tom Joy |
Q: Transmission stuck in 2nd Gear (I recieved vehicle in this manner) Replaced PCM, Replaced Solenoids ...
A: OK, If you are very fluent with working ALL the aspects of the computer via the climate control ...
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| 85 Deville poor idle/stall | 6/30/2007 | Tom Joy |
Q: I used to be a Cadillac Tech 1997-2000. Checked codes (E24)x2, (e52)x1, (f41)x1. Cleared codes & ...
A: EE24 = speed sensor circuit problem. Effects the VCC overdrive clutch and cruise control operation. ...
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| OBD codes | 6/30/2007 | Tom Joy |
Q: I have a 85 Cadillac Deville with the 4100 in it, I recently did a complete tune on on it, spark ...
A: 1. Ignition ON, Engine OFF. 2. Simultaneously push and hold the OFF and WAERMER buttons on the ...
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| 1995 Cadillac 4.6 driveability | 6/29/2007 | Tom Joy |
Q: No injector pulse back 4 cylinders--one back injector has pulse for about 10 secs. Quad Drvs good, ...
A: intermittent short to voltage in the rear oxygen sensor. traction control problem. intermittent ...
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| cadillac eldorado 94 error codes | 6/28/2007 | Tom Joy |
Q: I wanted to know if you could elaborate on these error codes that I recieve from my onboard computer ...
A: P036 = EGR valve pintle out of position. T037 = Left rear wheel speed sensor continuity failure. ...
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| 1997 eldorado | 6/28/2007 | Tom Joy |
Q: my heater and AC blower wont blow,also my gas hand registers full when it is actually empty. would ...
A: You can check the RED wire at the blower motor and if you have battery voltage all the time the fuse ...
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| 1997 eldorado | 6/27/2007 | Tom Joy |
Q: my heater and AC blower wont blow,also my gas hand registers full when it is actually empty. would ...
A: Check your fuses with a volt meter. Do NOT use a test light as you can get the test light to light ...
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| 97 eldorado etc | 6/27/2007 | Tom Joy |
Q: my heater/ac shows that it is on when i press functions, but it will not blow, and some times it ...
A: It is either a lose of battery voltage at the blower motor RED wire or a loose ground of the BLACK ...
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| 1990 Cadillac Deville Error codes | 6/27/2007 | Tom Joy |
Q: I just bought this car and I get the following error codes in this order: .E E49,E52,E61,E65,E74 ...
A: The .E.E codes and the >f>f codes are the ones we want. Once we fix these the others may or may not ...
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| 1990 Cadillac Deville Error codes | 6/26/2007 | Tom Joy |
Q: I just bought this car and I get the following error codes in this order: .E E49,E52,E61,E65,E74 ...
A: FIRST, Clear the codes from the computer: re-enter diagnostics and when you get to .7.0, ...
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| traction disabled | 6/26/2007 | Tom Joy |
Q: 1995 seville cadillac. antilock brake light, traction disabled. pulled the codes,T027LEFT FRONT ...
A: Yes, it can be tested to make sure that it has continuity and make sure that it is plugged in all ...
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| 93 Caddy throttle stuck | 6/24/2007 | Tom Joy |
Q: My cars throttle is sticky. It sticks open but when i poke the pedal the RPM's drop some. The ...
A: That THING is called an IDLE SPEED CONTROL MOTOR. Try cleaning the throttle plate on both sides and ...
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| 85 cadillac elderado biarritz | 6/23/2007 | Tom Joy |
Q: the power seats are not working and would like to know where the fuse is located and which one it is ...
A: The power seats do NOT have a fuse, They hjave a circuit breaker. which is #23 and a 30 amp in the ...
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| 1999 Cadillac Deville Blower Intermittent | 6/23/2007 | Tom Joy |
Q: The blower motor on my 1999 Deville is intermittent. It comes on and works for a while and will ...
A: When the blower motor quits, try check to be sure that it has battery voltage at the RED wire and ...
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| 94 STS Ride Control lite | 6/22/2007 | Tom Joy |
Q: Tom, "Service Ride Control" info lite on 94 STS. The ALDL has 12 pins. 1. Is the sequence top row: ...
A: S044 = lift drive signal fault. S062 = Left rear position sensor fault in the suspension system. ...
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