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Prev Professional Automotive Repair Technical Discussions for November 18, 2006
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Open Help Requests for All Makes and Models
Help Request Answers
1997 BMW 740i 4.4L lack of power VIN: WBAGF41030
hi all,this BMW came with lack of power concern and some time poor idle , customer had change fuel pump and MAF for same concern with no result. the problem that i can not comunicat with control unit by my scan tool (launch x431) i try to comunicat with all mo...
2001 BMW M5 5.0L antitheft VIN: WBSDE93441
This is my vehicle and lately the alarm goes off for no reason.Mostly it sounds within 1 min. of locking the car. I disconnected the interior sensor but that made no difference. I have no clue where to begin the diagnosis. Any help would be greatly appreciate...
2002 Chevrolet Blazer LS 4.3L Poor Fuel Economy VIN: 1GNDT13W62
Customer complaint is fuel smell. The harness from injector connector to underhood fuse box is leaking fuel??? Unplug injector connector and there is standing fuel. What is causing this. Any help is appreciated.
2004 Chevrolet Tahoe LS 5.3L running rich VIN: 1GNEK13Z64
well gm techs i am a ford tech looking for a little help on this tahoe i have codes for both banks running rich i was told by a fellow tech that these trucks have problems with the o2 sensors i have no access to any gm pinpoint test for this codes nor do i hav... Trouble codes: P0172 (system to rich bank 1), P0175 (system to rich bank 2)
1993 Dodge Caravan SE 3.0L Stall VIN: 2B4GH4539P
hi guys and girls.this problem started on a trip to hamilton from cornwall.stopped in brockville(i hour away)and grabbed a bit to eat.while waiting for traffic eng quit.restarted ok-turned onto hwy and reached 80-90 k'sand then started to loose power-dropped t...
1998 Dodge Stratus ES 2.5L limp mode VIN: 1B3EJ56H6W
Vehicle towed into shop in June for no start problem. Checked found # 8 fuse blown and no power to engine sensors. Installed new 20amp fuse and car started and ran fine. Performed driving test and multiple engine starts never blowing fuse. Released vehicle bac...
2002 Dodge Ram 2500 5.9L Unknown VIN: 3B7KF236X2
Used the chasis ears and drove the noise is the loudest when clamped on the mount directly, but like I said the noise sounds just like a sloppy chain not meshing correctly with the gears, so I pulled the t-case and found the chain loose and worn gears so both ...
1993 Ford F-250 XL 7.3L Torque Convertor VIN: 1FTHX25M6P
Hello everyone. I just wanted to run this problem by you. I have this 93 F250 2x4 7.3 E40D that sets the code 62 for TCC slippage after about 5 minutes running at cruising speeds, then shifts hard, (FMEF) and eventually will default to 2'nd gear. I have a brea...
1997 Ford F-250 5.8L harsh shif VIN: 3FTHFZ6H6V
Howdy Ford tranny guys. delayed and harsh shifting. Code 624 EPC sol. Customer stated late and harsh shifting, OD light flashing. Electronic Pressure Control Solenoid circuit. Performed pinpoint test E per ALL-DATA. Getting power and ground from PCM. No short ...
1998 Ford Explorer XL 4.0L Right timing chain guide VIN: 1FMZU21E9W
I have pulled the right valve cover hunting noise and found a pice of timing chain guide. Alldata showes to pull the engine and remove the cylinder head, oil pan, front cover and shafts to replace the casset(guides). Has anyone done this and found an easier wa...
1990 Honda Civic Si 1.6L No Start VIN: 2HGED7368L
Car purchased by customer Changed clutch out. when we went to start the car it just crank over. No fuel pressure traced down to no ground to the relay from the ecm. the car runs on air intake cleaner. Also no trigger to fuel injectors 12 volts at the injectors...
1998 Lexus GS300 3.0L Int. hard start VIN: JT8BD68S0W
Car came in with blown head gasket. Customer drove car overheating until it quit running. Pulled head and resurfaced. After repair was completed vehicle ran great. Noticed that it had been run completely out of gas. five dollars did not even move needle off em...
2002 Mercedes-Benz C240 2.6L Misfire VIN: WDBRF61J42
Car returned today with misfire codes for all cylinders except #'s 3+6 (that I replaced coils and wires for 350 miles ago). So, is this the mass air flow meter rearing its ugly head? This car has misfire codes for cyl's #1,2,4, and 5 now. NO FUEL TRIM CODES...
2004 Mercury Mountaineer 4.6L sensor VIN: 1MECUX2W04
Just a quick question. I have a customer who just bought a set of 18 in oem Mountianeer wheels to put on his 2004 Mountaineer with the tire pressure sensors. His came with 17 in wheels with sensor in the tire valve. I have researched this on the web and cant f...
1992 Mitsubishi 3000GT 3.0L No Start VIN: JA3XD64E8N
i need help on what be an obvcious problem yuve read the history, it seems like the ecm should be ok but any ideas would be appreciated, thanx in advance for any ideas!!!
1978 Other European Silver shado 412CID Upper blend door
VIN [...]: Vehicle has no facia airflow most times regardless of temp.selected. Occasionally, for no apparent reason, the system will operate normally for a short period of time. When selector is in auto position, airflow is through defrost and foot outlets...
1995 Plymouth Grand Voyager LE 3.3L No Start VIN: 1P4GK44R4S
Here is my head scratcher, we put a new fuel pump about a month ago, was fine, brung it in about a week ago, no start, checked fuel pressure, checked good, but had no spark. Ended up we replaced the engine coolant sensor, cam sensor, crank sensor, also did plu...
1996 Pontiac Sunfire SE 2.2L MIL Lamp on VIN: 1G2TB1241T
hello all tech, 96 pontiac sunfire 2.2l, it was my co-tech job and now my headache.it got code p0440a. he replaced gascap purge and vent solenoid, still no fix.i smoke tested it no leak and i can activate both solenoid using the scanner and it work. once it re... Trouble codes: P0440
1997 Volkswagen Jetta GLS 2.0L Stall, MIL Lamp on VIN: 3VWSA81H1V
This Jetta failed PA emissions with MIL on and codes P0722 and P0304. I can't find much info on this P0722 code. I have searched the Fix Database and Forum Archives with no luck. Shop Key doesn't list this code at all. I have cleared the codes and road tested ... Trouble codes: P0722 (No Output Speed Sensor Signal), P0304 (4 Cyl. Misfire Detected)
1987 Volvo 244 DL 2.3L Bucking VIN: YV1AX8846H
Work on alot of Volvos,but this is weird. Car will buck violently in 1st and 2nd gear,but put it in 3rd and 4th and problem disappears or is greatly reduced,even at slower speeds. Before you tell me the hose from Mass meter,its fine and has been replaced 1 ye...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
1985 Buick Somerset Regal Limited 3.0L No Start VIN: 1G4NM27L7F
lots of response on this one, thanks for the effort, just wish i had good news. here is a recap. possibles were: bad ECA, clogged cat, spun balancer, skipped timing chain, worn timing chain and gears, bad ign switch, bad ign module, poor power/ground to ign mo...
1995 Chevrolet Lumina APV 3.8L alternator VIN: 1GNDU06LOS
Thank to all who replied. Being a one man shop, at this time it's always nice to have someone to bounce ideas off of. First I tried all the simple ideas,checking grounds and powers. Tracing wires and checking voltage. The last and conclusive test was a continn...
1994 Ford Aerostar 4.0L Park brake VIN: 1FMDA41XOR
The was a typical case of stupidity. As I mentioned, the pre-loaded new tensioner/handle and the way I re-loaded the old one were the same. I decided to work from the rear of the vehicle, and installed the equalizer and front cable. With the access cover remov...
2004 Ford F-150 XLT 4.6L Radio, Guages, Etc VIN: 1FTRW14W54
Vehicle came back in yesterday. I scanned the door switch using the Snap-on mt2500 (brick) with the new can adapter. I retrieved codes and got a code for LF door switch. I watched the door switch on the scan tool as I opened and closed the door. After numerous...
2001 Hyundai Sonata GLS 2.5L No Start VIN: KMHWF35V01
thanks for all the help. the wiring harness that was coming apart was the crankshaft position sensor. we did not have any other issues with the harness. we swapped the fuel pump relay and computer relay and the car would not start at all. so we had already ins... Trouble codes: P0560.
1994 Jeep Grand Cherokee Laredo 4.0L abs sysytem VIN: 1J4FX58S2R
replaced the right rear sensor and fixed that problem.
1996 Jeep Grand Cherokee Laredo 4.0L cooling VIN: 1J4EX58S5T
thanks to all that replied the fix was a thermostat even though we put in a new one it was falty.cooling system is fine now and lady is happy. thanks again for all your help!
1984 Mercedes-Benz 280SL 2.8L Excessive Emissions, Hesitation VIN: WDB1070421
Sorry it took so long, but I had some sort of flu & everything got put on hold. Anyway, I removed the warm up compensator to check for clogging or anything. I took it apart completely and examined it, but found nothing wrong. There is a frequency valve that mo...
2001 Mitsubishi Eclipse RS 2.4L Hesitation, MIL Lamp on VIN: 4A3AC34G71
Thank you all who replay to my help request. As far as the comunication to the ECM with the scanner it's been explain in the up-date paragraph, and for the DTCs The P0455 evap sys. large leak detected, the gas cap was missing, and for the P0304 cyl. #4 misfire...
2001 Mitsubishi Montero Sport XLS 3.0L No Start, Poor Idle Quality VIN: JA4MT31H21
I would like to say to everyone that responded thank you very much. All of your insight was helpfull. Almost all of you said to replace the fuel regulator. I checked the regulator and there was no signs of fuel at the vacuum hose or around the crimp on the out...
2000 Nissan Maxima GLE 3.0L Poor Idle Quality, MIL Lamp on VIN: JN1CA31D8Y
hey guys, wanted to thank all on this vehicle. ended up disconnecting the battery and then relearning the iac. problem solved. thanks to everyone who offered help. kim Trouble codes: P0505.
1992 Saturn SL2 1.9L water leak VIN: 1G8ZK5472N
With the start of cold weather now in Wisconsin, I will probably be seeing snow rather than rain, so will finish this in the spring. The replies I received have been useful and I did some sealing, but it still leaks somewhat. The leak seems to be originating h...
2003 Volkswagen Beetle GLX 1.8L traction lamp VIN: 3VWDD21Y93
Thanks to all who replied; The vehicle has reset the traction lamp on its own. We did verify the steering sensor was operative as we could read steeeering input data on our Modis scan tool. Its seems as if the reset was an adaptive issue. The vehicle was drive...
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