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Prev Professional Automotive Repair Technical Discussions for November 16, 2008
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Open Help Requests for All Makes and Models
Help Request Answers
1997 BMW 318i 1.9L MIL Lamp on VIN: WBACC932VE
We replaced the converter and both O2 sensors on this car. We used an aftermarket converter trying to save the customer a few bucks. The light was back on in a few days. Anyone have any experiance with this problem.
1995 Cadillac DeVille 4.9L Alternator/Charging VIN: 1GWE34546T
Student making repair to fuel system (replacment of fuel pump module)accidently applied battery power to the alternator disabling connector located just behind the alternator,thinking this connector was the fuel pump test connector. Student was successful in r...
1997 Chevrolet C3500 5.7L No Start VIN: 1GBJC34R6V
Truck was towed into our shop. Diagnosed low to no fuel pressure, went from 60-20psi and pump was noisy and fuel pump relay was getting hot. So we dropprd the front tank (dual tanks on this truck) and were going to replace fuel pump. When we pulled the tank no...
2001 Chevrolet Silverado 3500 6.0L Voltmeter VIN: 1GCJK34U41
This truck will intermittently indicate a loss of charging when ever it is in overdrive and goes into deceleration, especially when there is a load such as a trailer helping to push the truck when in "tow/haul" mode. There should be no connection between a dow...
1994 Dodge Intrepid 3.3L Hesitation, Surge, Cuts out VIN: 2C3EH46T3R
Hi group Need some insight on this ongoing problem This Intrepid has an intermittant lack of power "bog" that happens only for a short time while acceleration. It has no codes, or no "flashing" cruise light. Some times you can notice the rpm needle fluctucati...
1995 Dodge Avenger ES 2.5L engine VIN: 4B3AU52N5S
This car suddenly lost oil pressure and began making noise. I was told the driver shut it off very quickly. There is no oil getting to the top of the engine. The rockers are dry. There is oil in the filter, with no signs of metal or unusual debris. Any ideas w...
2001 Dodge Ram 2500 Van 5.2L Rear Differentail VIN: Y71K511414
Vehicle came in with noise while driving, with noise at it's highest level running empty at speeds above 30 mph and maxed @ 60. Ran vehicle on lift and heard lots of bearing noise in differential. Rebuilt rear differential (bearings weren't bad and no debris i...
1998 Ford F-250 Lariat 5.4L reverse VIN: 2FTPX28L1W
have this truck whith no other problems in transmission when shifted from forward to reverse it takes a few seconds to engauge does not slip when in gear . does delay when shifting from park to reverse . all forward stuff works great no delay any help would be...
2000 Ford F-450 Super Duty Lariat 7.3L Poor Idle Quality, Misfire, Poor Fuel Economy VIN: 1FDXF46F5Y
This truck may have had a Edge tuner installed at some time and was used hard in construction.Had the decals.Bought from auction no other history. The misfire has Always been on # 2 only and Always stops as soon as engine gets to Full operating temp,thermostat...
2002 GMC Savana 1500 4.3L Misfire, MIL Lamp on VIN: 1GTFG15W32
This van came in with the check engine light on and the owner said the light comes on when cruising at 55 mph and the check engine light comes on and flashes at this speed on the highway.Van has new ignition parts.Looked at misfire data when problem happens an... Trouble codes: P0300
2007 Honda Civic Si 2.0L Tachometter VIN: RLHFD26377
Dear all experts, We recieved a 2007 Civic 2.0L with the symptom as: Tachometer have malfuction, when turn Inigtion key to ON or Start, the indication goes ON and then flash as serveral time then stable and flash. That is abnormal symptom because it isn't appe...
2004 Mazda 3 i 2.0L Transmission VIN: JM1BK12F44
Hey guys, looking for some help on my brothers car. When driving the car at a cruise it will start to buck (like it is shifting up and down). I first thought this was a misfire but all live data on the engine looks good and once it sliped completely. Fuel trim...
1990 Mercedes-Benz 300E 4Matic 3.0L lite on VIN: WDBED30E2L
srs lite on at all times my main ? is how can i fabricate a m/b pulse tool? i am guessing that a seat belt switch is bad any help with diagnostics or tool rig would be greatly appreciated thanks in advance mark ps this is my own car and 16 yo daughter will get...
2002 Mini Cooper 1.6L Cooling Systems VIN: WMWRC33452
Hello Mini Techs: We have got a mystery on our hands. We replaced the Thermostat twice and both times the one we replaced leaked a short time later. This will be the third time replacing the thermostat assembly...the housing is plastic and it starts leaking fr...
1997 Saturn SL2 1.9L MIL Lamp on
hey techs, just want some opinions on what this problem is. car needs to pass smog. retrieved 1 code P0172 runnin rich. ive checked compression good,spark plugs good, valves ok,map sensor working ok. the fuel pressure however is kinda low. somedata says psi sh... Trouble codes: P0172
2000 Saturn LS2 3.0L No Start VIN: 1G8JW524R8
The vehicle started off being a no start, customer turned the vehicle off and came back an hour later and vehicle would not start, no click or anything when you turned the key. Was able to bypass power to the starter via jumper lead to get vehicle running. Loo...
2000 Toyota oah 2184CC Excessive Emissions VIN: CR40-00249
hi : this vehicle came to our shop with clouds of black smoke emitting from the exhaust, this vehicle carries the electronic injection pump , can any one give me any info to work with. phil
2004 Toyota Land Cruiser 4.7L Mechanical VIN: JTEHC09J90
Hey Diesel Tech's I have a Diesel Landcruiser with a 1HD-FTE 4.2lt engine, that no-one knows how to set the valve clearance. There are 2 adjustments on each valve. A top and a bottom adjuster.One adjuster is a the end of the roller rocker and the other is abov...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2003 Buick Park Avenue 3.8L power seats VIN: 1G4CW54K03
I have not fixed this yet. I learned from others that this is a common problem, and there is no cheap fix. I did loosen the passenger side seat and was able to open the gear box on one motor and turn the adjuster by hand, to lower the seat. I will do this with...
2007 Dodge Charger 2.7L Hesitation, Surge, Cuts out, Misfire, MIL Lamp on VIN: 2B3KA43R97
This one is fixed i would like to thank Ken,Alex&Tim for all your help. I sent it to the dealer and they informed me that the car had a bad computer and later they said it did not fix the problem. It turned out to be a short in the crank sensor harness,hard wi... Trouble codes: P0339 (Crankshaft Position Sensor A Circuit Intermittent), P0300 (Random Misfire).
2004 GMC Savana 3500 6.0L Brake System VIN: 1GJHG39U84
We found the Hydro Boost fluid low, so low that when going down a hill the pump was sucking air causing the pump to cavitate and the pedal to pulsate and the brakes to pulsate.
2006 GMC Envoy Denali 5.3L drivetrain VIN: 1GKET63M76
well it seems I need a transfer case in my truck. I did try servicing the unit and it did not help. I did unplug the encoder motor and drove the truck and it did the same thing. From what my tranny guy says the vibration I feel is the clutches in the tranfer c...
1991 Jaguar XJ6 4.0L Poor Idle Quality, Cuts out, Stall, Misfire VIN: SAJKL194OM
thank you for everyones input ,,,new cap and rotor solved the problem thanks again ...
1994 Jeep Grand Cherokee Limited 4.0L Anti-Theft VIN: 1J4GZ78S1R
Due to excessive cost and complication finding parts we got customers approval and simply grounded one of the door switch grounds. permanently disabling the Jeep. Removing the box was not possible as it would die or start/die no mater what I tried. So since it...
2001 Jeep Grand Cherokee Limited 4.7L heater VIN: 1J4GW58N71
Hey Guys Thanks for the input. It was the heater core. There was no sign of cooling system contamination. I believe the heater core was defective from the start. It was summer when I replaced the evaporator and heater core and I obviously didn't check for heat...
1992 Lexus LS400 4.0L Hesitation VIN: JT8UF11E1N
I recibed 3 replies, but it was enough. I'm sorry i wasn't more specific in my post. The problem was adjustment of the throttle position sensor. Dennis for malasya hit the nail. Thanks everybody for the help. Frank.
2001 Lexus RX300 3.0L Misfire VIN: JTJHF10U31
Thanks to all who replied. We re-checked A/R preformance and found the A/R sensors were in spec. We swapped the ignition coils from cylinder 3 to cylinder 6, cylinder 4 to cylinder 2 etc. basicly found little change. it took a while but after 6 drive cycles we... Trouble codes: P0300 (Random miss-fire), P0303, P0304, P0305.
1998 Subaru Impreza L 2.2L Headlights, Dash Lights VIN: JF1GF4356W
I tried some of the suggestions offered by others. I loaded the Alternator and checked for A/C voltage. OK there. Check the bulbs in the taillights found one that had a crack between the posts, I replaced the taillights. Checked my grounds and power supplies, ...
2001 Volkswagen Beetle GLX 1.8L air bag lite VIN: 3VWDD21C61
as a temp repair i fixed the seat belt switch i think the air bag controler is bad i will send unit to be repaired thanks for all the helpful replies mark
2003 Volkswagen Golf GTI 1.8T 1.8L fuel control VIN: 9BWDE61J63
Well, finally we found out that the pcm had an aftermarket chip or module that kept the engine running after turning off the key in order to allow the engine to cool down after a race, yes, and acording to the owner he didn't know anything about it... We, just...
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