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KHE

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KHE last won the day on December 30 2020

KHE had the most liked content!

About KHE

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    CaddyInfo Oldtimer

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  • Car Model and Year
    '93 FWB, '05 Deville, '04 Deville

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    Male
  • Location
    West Michigan

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  1. I figured out what the problem was - a bad coil on the rear bank. When the engine was cold, the car ran fine. Once the engine was up to operating temperature, the misfire would occur. Sometimes, the misfire was slight and other times, it was severe. I borrowed a friend's Actron CP 9180 scan tool but it did not have the capability to display misfire counts and all it did was display PCM P0300 which was no help... I went to the storage facility where I keep my '05 Deville for the winter and removed the front set of coils. I installed them on the front bank of the '04 and took it for a d
  2. I discovered a very loose boot that connects the PCV valve line to the intake manifold and thought I had it diagnosed. I put a zip tie at each end of the elbow and it is now snug. Took a test drive and PCM P0300 set, blinking service engine soon light. The intake coupler was replaced when I had the head gaskets done three years ago so I doubt that is the issue. When those tear, they set the PCM P0171/P0174 code and those are not set. I need to find someone with a scan tool that can monitor misfire counts in order to proceed with the diagnosis. I believe it is something simple but
  3. It is a coil on plug system - eight coils. I have verified I have spark on all cylinders. The spark plugs and coils are OK.
  4. I don't think it is a fuel quality issue - I don't think it was fueled up prior to the misfiring (wife's car). It is not re-setting the PCM P0300 code but I can definitely feel it misfiring. None of the parts stores in my area have the ability to read the misfire data - only the codes which I did from the dash. What brand of scan tool do you use as a Tech 2 is out of my price range. I am going to check the PCV elbow at the intake manifold and the injectors to rule them out.
  5. The '04 Deville developed a severe misfire the other day. Blinking service engine light and PCM B0300 CURRENT misfire code was stored. I suspected it was a bad coil but all eight coils were replaced about three years ago as they failed one by one back then. I removed the coil assemblies and spark plugs - one bank at a time and tested for spark - all eight coils had spark. I noticed a fair amount of oil in the #3 or #5 plug well and cleaned it up and reassembled everything. I started the car and the PCM P0300 changed to history but I could still feel a misfire. I don't have a Tech
  6. It's fixed. I could not remove the lock cylinder since I could not insert the key and the lock cylinder couldn't be rotated to depress the release pin. That failure mode was not listed in the service manual... I could not find any information online other than a locksmith from Georgia who repaired the same issue on a 2001 Deville but the video did not include the method he used to remove the cylinder... I called a locksmith because I did not want to risk causing any damage to the column. The locksmith confirmed there was a bent wafer in the furthest position in. He removed the piece t
  7. The column is locked - I can't move the shift lever out of park as the key won't go all the way in to unlock the column. The column being locked presented a problem as I couldn't rotate the steering wheel to access the airbag release clips. I was able to remove the lower column shroud and depress the lock pin with a right angle pick enough to rotate the steering wheel enough to access the airbag clips. The center airbag is out and the steering wheel is ready to be pulled. My puller is for the old style Saginaw columns that have threaded holes for the puller. This one takes the type th
  8. My wife was running errands yesterday and the ignition key could not be inserted into the ignition. I drove over to where the incident occurred and sure enough - the key could not be inserted into the ignition. There was a brass tab sticking down and I used a pick to get it to retract and then was able to insert the key into the ignition except for the last 1/8". I sprayed some lock graphite in there and worked the key in and out, tapping it but after 15-20 minutes, gave up and called a tow truck. It's in my garage and I am about to tear into the column. I figure the lock cylinder is
  9. A little lifter tick is not a big deal compared to loading the crankcase and exhaust with moisture by starting frequently during the winter months. I used to start my car up during the winter months too until the guru told me that I was doing more harm than good to the engine.
  10. Even if I would have known the screw had left hand threads, it wouldn't budge. It was seized into the bushing of the sensor which was strange since the car doesn't see road salt. I wonder what the failure mode is on these sensor? Mine was most likely some component on the circuit board. I would bet the seizure of those screws in the sensor is the reason a new screw is included with the sensor. The new one in my car has anti-seize on the threads. Hopefully, I don't need to do the job again but if I do, it will be much easier.
  11. My '05 Deville had the airbag light on and a SDM B0101 CURRENT code. It just happened one day a few weeks ago when I backed it out of the garage to wash it. I store it winters and have put less than 1000 miles on it this driving season. The shop manual defined the code as "front impact sensor discard". The manual concentrated on the SDM B0100 which is an opened sensor and there was not much information on the B0101 code. I figured the sensor was shot but the retail price of the sensor is $220.00 - I decided to remove the sensor from my wife's 2004 Deville and install it in the '05 to
  12. Your list is decent except for the part on running the engine once per month. One thing that should be done is to change the engine oil and filter just prior to storage so that there is fresh, clean oil on the bearings for the storage period. The WORST thing you can do to a car in storage is to start it and let it run. Coolant temperature has nothing to do with oil temperature. All you're doing is loading the crankcase with blowby and moisture. The exhaust is also being loaded with moisture. The only way to get the engine oil hot enough is to drive the car for 10+ miles (which you do
  13. Terrance, I'm not sure if it is still working - I sold the '96 SLS in the Fall of 2010. Hopefully it's still working. Further experimentation on a '97 STS showed a 4700 ohm resistor did the trick but that was an STS, not an STS and the systems are different. The '97 STS went to the junkyard in early 2017 (at 225,000 miles on the clock) due to a cracked water jacket on the engine block. My current fleet is a '05 and '04 Deville plus the '93 Fleetwood Brougham that I have owned since it had 15 miles on the odometer. The Fleetwood Brougham has always been reliable as are the
  14. Glad to help out. The Fleetwood Broughams are great cars - they'll never build another car like them. I'd start at the trunk tamper switch - make sure the wire is not shorted out.
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