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Prev Professional Automotive Repair Technical Discussions for July 16, 2010
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1998 BMW 328is 2.8L bucks VIN: WBABG1324W
This is my own car. It started doing this light buck under 2K rpm while accelerating. Now, it's much worse. Once the engine temp starts coming up, it will do several of these two-stage bucks under 2k rpm, every time. If I keep the revs above 2k, it's fine. No ...
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2002 Buick Rendezvous CXL 3.4L compressor VIN: EX2S540929
Air conditioning wont run. Control head displays and modes are fine. Even displays cabin temperature (indicating the cabin sensor mounted in is responding) Code P1189 present and refuses to clear even when oil pressure wire is open or grounded. Dealer says thi...
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1994 Chevrolet K1500 5.7L Misfire VIN: 2GCEK19K9R
This truck initially came in for a "miss" at idle. Found that the RPM on the scan tool was erratic and that the distributor reluctor wheel was swollen and cracked. Installed a new distibutor (aftermarket--Dorman/NEW) and the problem seemed fine. Customer took ...
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1995 Chevrolet S10 4.3L Blend door VIN: 1GNDT13W1S
Hello .Customer says needs ac.So i hook up ac machine it had about 5 oz of freon so i charged it with dye and oil pressures look good but the temp inside car is warm i looked on Alldata and it does not show much on how the hot cold door works. i do have a ...
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2001 Chevrolet Corvette 5.7L instrument lamps VIN: 1G1YY22G01
Only the gauge lamps are inop at all times. all other dash lamps (IE radio, odometer, hvac, window, hud, etc. ) come on and are controlled by dimmer. This problem was an intermittant up until shortly before we did module repair. All of the available illuminati...
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2006 Chevrolet Impala LTZ 3.9L No Start, MIL Lamp on VIN: 2G1WU58106
This is a good one.Weve had this car here more than once.The first time it was towed in,customer said she was driving down the road and all her gauges were going crazy and it shut off.when we got it the battery was dead.We charged the battery and the vehicle s... Trouble codes: P1629
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2006 Chrysler 300 (Car) C 5.7L Blower motor VIN: 2C3LA63H16
Vehicle came in with blower motor inoperative. We found a blown fuse 41, 10A which restored blower operation. After fuse replacement the blower would only run up to half speed and a new transistor module/resistor solved that. The next morning the customer call...
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1999 Dodge Dakota R/T 5.9L Abs And Brake Lights On VIN: 1B7GL22Z5X
Is it possible that the pump motor burned up at the same time that he smoked the rear brakes?all help is greatly appreciated!thanks.
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2001 Dodge Durango SLT 4.7L brakes lamps stay on VIN: 1B4H528NX1
Hello everyone. I have this durango in the shop with all kinds of electrical problems that as per the cust happened over night. first off the brake lamps are stuck on unless you unhook the battery I have the brake lamp switch unplugged and they are still on al...
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1996 Ford F-250 XL 7.3L No Start VIN: 1FTHX25F9T
Thanks in advance for reading. This is a no start, will crank. Died going down road. First look, CEL blinks fast and goes out. Wait to start does light. Key on, no buzz test heard. Batteries are decent, crank RPM good, no tach. No comm. from Brick, but it does...
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2000 Ford Crown Victoria 4.6L cooling system VIN: J2FAFP71W4
Dear Fellow IATN Members, This car has me stumped. It came in for an overheating problem, the customer was vary vague,they couldn't tell me if it originally happened on the highway or in and around town. Every time it's been in the shop, with all of our test...
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2001 Ford Focus SE 2.0L Temperature VIN: 1FAFP36321
I am all heated up over this one. Car is a regular here past 3 years, coolant system exteremly rusty, customer stated dash guage went into red on highway. First repair flushed system heater core included, new thermostat and housing, new coolant overflow bottle...
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2004 Ford F-150 XLT 5.4L Hesitation, Misfire, MIL Lamp on VIN: 1FTPW14504
Hey guys I got a problem with this truck. It keeps blowing a fuse in the fuse block that controls cam timming,evap,o2 sensors, excedra. It is intermidiant but if I mash on the accelerator the truck will stumble and then it will blow my fuse saver when I just t... Trouble codes: P0010, P0020, P0443, P0446, P0104, P2106
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2006 Ford F-150 STX 4.6L Misfire VIN: 1FTRX14WX6
Hello all, I have checkec this out and it misses on # 3 cyl all the time. The coil & plug have been replaced. I know #3 is the cylinder that is likely to have the antifreeze leak from the hose, but there is no indication of this at all. It has voltage to the ... Trouble codes: P0303 (3 miss), P0316 (Miss on start up)
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2006 Ford E-450 Super Duty 6.0L No Start VIN: 1FDXE45P46
Thank in advance , this ambulance has ben back to deeler and had fuel rail leaks repaired under warrenty.90 days later died on road with someone in back , there ok.I know i`ts still under warenty but time is of essence. hope someone will read this and have a q...
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2003 GMC W4500 Forward W4S042 4.8L wipers VIN: J8DC4B1473
Does anyone have a wiring diagram for the wipers on a GMC W4500. They are inop, If I power the motor it works, ther is a relay/module that clicks when I turn them on that says wiper control. If anyone has a diagram, that would help tremendously. Alldata no hel...
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2004 GMC C4500 Topkick C4C042 6.6L Starting VIN: 1GDE4C1284
I have a 2004 Duramax with a no start condition. The truck cranks for about 2 seconds then looses power to the starter until the key is released and then it cranks for another 2 seconds each time the key is turned. It has a fault code for no crank signal, but ...
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1998 Honda Passport LX 3.2L Cooling Systems VIN: 4S6CM58W6W
We have a 3.2 engine with coolant leaking into the crankcase. Pressure testing the cooling system adds to the mix in the crankcase. Pressuring each cylinder does NOT show any bubbles/pressure at the radiator neck. Engine starts and runs fine after overnigh...
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2000 Honda Odyssey EX 3.5L MIL Lamp on VIN: 2HKRL1878Y
hello everybody. i think i might have this problem nailed down but just wanted to get some input to see if im on the right track. van came in and pulled a P1457. i then pulled up mode 6 to see which test it failed, 2F. i opened the tsb in mitchell #HSN0406-01 ... Trouble codes: P1457
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2004 Honda CR-V LX 2.4L 2-1 downshift ? VIN: SHSRD68414
Customer brought vehicle in complaining of harsh downshift.Roadtested and trans works perfect and the only problem is when the vehicle is almost at a complete stop it feels like it binds up.The speed at which this happens is between 5&3 mph.Ive researched the ...
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2003 Jaguar X-Type 2.5L Lock cylinder VIN: SAJEA51D43
Customer could not turn the key. If you wiggle it up, down, and back and forth, it will turn and start the vehicle. I ordered a replacement from Jag.Received it and the key will not turn the new cylinder in my hand..does it need to be installed in the column b...
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1988 Jeep Wrangler 2.5L No Start VIN: 2BCHV81S6J
Hello all, I have a 88 Wrangler that is not my friend anymore. The car got towed in as a no start, suspected fuel pump. Upon checking the car, it fired up. Fuel pump was way below spec and filter looked older than dirt, so I replaced the fuel pump and filter. ...
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1991 Jeep Cherokee Laredo 4.0L Starting VIN: IJ4FJ58S8M
Jeep techs i have a weird one here. This vehicle will start sometimes and other times it will crank but not start. When it is a no start it has spark at all plugs and all injectors fire with noid light. Have rpm signal when spinning over map sensor voltage is ...
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1995 Jeep Grand Cherokee Limited 5.2L overheating VIN: 1J4GZ78Y9S
Its a 95 with a 5.2 the customer is new to the shop so we know very little about the vehicle other than customers complaint. It over heats (250) and boils over he removed the stat and the problem continued so he brought it to us. Happens more at idle. Passed 3...
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2006 Jeep Liberty Limited 2.8L MIL Lamp on VIN: 1J4GL58526
I did the intake cleaning but truck came back with both codes, p0069, map baro correlation and p1265, I can't find any info on that P1265. Any help would be appreciated. Trouble codes: P0069, P1265
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1983 Mercedes-Benz 380SEL 3.8L ac fuse VIN: WDBCA33ADB
came in for no blower operation I notice ac fuse was blown replaced and fuse was getting very hot. Soon as I hit the blower to operate ac will pop a fuse. Current draw blower initional kick was 16amp and goes to 8amp so I figure needed a d new blower motor. I ...
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2004 Mercury Monterey (Van) 4.2L Ac VIN: 2JAUD11275
Vehicle came in with bad ac compressor, put on used compressor and accum. No problems, 1 month later blows warm from driver side, rear and passenger side cold, replaced driver side temp actuator with one from ford, same, removed actuator and closed temp door m...
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1992 Mitsubishi Expo LRV Sport 1.8L No Start VIN: JA3CV40D1N
Customer towed vehicle in saying it died while driving. Checked over, found no spark, fuel pump is coming on and delivering fuel to cylinders. Customer previously replaced the Distributor cap and rotor. Began checking systems. Checked primary resistance at coi... Trouble codes: 55 (AV Valve Position Sensor)
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2004 Nissan Sentra S 1.8L Hesitation, MIL Lamp on VIN: 3N1CB51DX4
What am I missing here, Did he get a bad tb. I am very confused, thanksc in advance for any help that you can give me. Trouble codes: P2135
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2006 Pontiac Torrent 3.4L Evaporator VIN: 2CKDL73F06
I have this Pontiac Torrent here that has great cold a/c untill a long drive cycle. When the air is run for a long time it turns warm (evaporator freeze up, I think). When the car is stopped and restarted several hours later the air works fine again. I found a...
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1982 Porsche 911 SC 3.0L Air Conditioning VIN: WP0EA0916C
Can't seem to get decent cooling out of this 911. Running a fresh charge of around 2 lbs. of freon. engine cover closed. 2k rpm for 5 min won't drop below 72 deg. F. On the road it's slightly better but still can't keep up with a 90 degree day. This is a two-c...
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1998 Porsche 911 Carrera 4S 3.6L rear brakes VIN: WP0AA2997X
Hello, I have a 98 porsche, when I apply the brakes and go to take off again it feels like they are sticking when I start rolling I can feel a slight drag then they release brake booster is working. I did a pump pedal test then started it and the pedal dropped...
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2004 Porsche 911 Carrera 4S 3.6L MIL Lamp on VIN: WPOCA29924
Car starts and runs ok until warm, at which point some part throttle misfiring can be felt. Trouble codes: P1364, P1371, P0305, P0304, P0300
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2000 Toyota 4Runner SR5 3.4L Excessive Emissions, Hesitation, Cuts out, Misfire, MIL Lamp on VIN: JT3HN86R9Y
Runs rough almost always, with misfires on all six cylinders, had TPS fault, replaced TPS, plugs and wires, MAF readings were at the low end but in spec., replaced MAF sensor. Fuel trim is at rich adaptive limit, it has a failed upstream oxygen (A/F), sensor, ... Trouble codes: 1130 (A/F sensor signal circuit)
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2003 Toyota 4Runner Limited 4.7L No Start VIN: JTEBT17RX3
this one has me stumped. fellow tech replaced timing belt for a customer that wanted it replaced , truck came in running. after replacing belt checking and double checking marks after turning motor over. this thing has no spark no injector pulse. i checked the...
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1996 Volkswagen Cabrio 2.0L Starting VIN: WVWBB81E5T
Costomer said car would not start, had all lights on dash, but no starter ingagement. When car got towed to our shop it started. It still starts with your foot off the clutch or on the clutch. I thought it may be the switch down on the clutch pedal, but still ...
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2004 Volkswagen Touareg V8 4.2L module VIN: 1234657891
Stuck in park and cannot communicate with any modules but the ecm. There is communication errors with the tcm, abs, t-case module. Any ran into this problem before. Looking for help.
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Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2001 BMW 325xi 2.5L Throttle over run VIN: WBAAV33451
Thank you for you help on this one and advise on scanners. We switched throttle bodies with a know good one with the same issue then contacted the customer only to fine out that he has had this problem from day one. I believe this is a software issue and can't...
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1997 Cadillac DeVille 4.6L Poor Idle Quality, MIL Lamp on VIN: 1G6KS52YXV
Thanks to all that replied. This intake did not have the rubber boot, but it did have the back fire valve. By replacing the intake with a new gasket fixed the problem. Thanks again. Trouble codes: P0122.
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1995 Chevrolet K1500 Silverado 5.0L Brake Pedal VIN: 1GCEK19H2S
Hello IATN members. I do not feel conformable enough to call this one fixed but the customer has came and picked up his vehicle. I told the customer all the information I had got from all you that replied and told him a lot of you said the brakes just wouldn't...
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1997 Chevrolet C-Series Kodiak C6H042 7.0L Hesitation VIN: 1GBJ7H1MXV
Thanks for the specifications. 26-32 psi is the proper pressure. thanks again. Truck will idle but wont accelerate, I have 35 psi pressure, just couldnt find any specs on what is should be.
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1998 Chevrolet K1500 Suburban 5.7L No Start VIN: 1GKFK16R7W
I have Taken Suburban to the dealer 2 weeks ago. As of now they have not figured it out either. Makes me feel a little better. Thanks to all that helped.
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1999 Chevrolet Tahoe LT 5.7L dome lamp VIN: 1GNEK13R7X
Thanks to ALL that helped!!! There were some very good tips and info that I used to determine the fault. Unplugged RKE and checked both dome lamp input and output of module and found circuit good with no short to ground until door switch was opened. Internal s...
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2000 Chevrolet Silverado 1500 LS 5.3L Hdy. system VIN: 1GCEK14T1X
Well, calling this one fixed and out the door. Got a lot of great responses covering both the tried and true methods as well as some unique ideas. I had never heard of the quick test for the ABS motor and will file that away for a later day. Most responses ech...
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1992 Chrysler New Yorker Fifth Avenue 3.8L blower motor VIN: 1C3XV66L8N
i went through the wiring for the blower and did find a couple of bad connections where it had gotten hot. i rewired everything and tried to wire in a relay but it didn't seem to help. so far with the new wiring and connections repaired it is doing ok. it does...
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1999 Chrysler Concorde LX 3.2L Excessive Emissions, Poor Idle Quality, Hesitation, MIL Lamp on VIN: 2C3H046J9X
I went back and took the plenum off and checked for melted wires. I found the manifold runner valve sensor wires shorted together so I assume that's what took the computer out. Turns out that the signal wire for the cam sensor and for the i.a.t. sensor were de... Trouble codes: P0340 (no cam signal at e.c.m.), P1289 (manifold tune valve), P0112, P0325 (Knock sensor high), P0132 (right upstream o2 sensor shorted to battery), P0151 (left upstream o2 sensor short high).
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2001 Chrysler Voyager 2.4L Airbag light VIN: 1C4GJ25B11
New Occupant Restraint Controller (OCR) fixed the van, well, it was a used module out of the same junkyard van that we got the pretensioner buckle assembly from. I'm 100% positive the seat belt switch was bad also so I quess it was a chain reaction thing, the ...
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2000 Dodge Durango SLT 4.7L Engine VIN: 1B4HS28N11
Well, I would like to say thanks to all who replied and gave us some good ideas to try. We sent the head out again and it had a bent valve. Installed it again, going through timing process to insure proper mark and chain alignment. All lined up again reinstall...
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1989 Ford F-150 XL 4.9L No Start, Stall VIN: 1FTEF14Y3J
mornin fellow techs.thanks for all of your help and dedication to this site.weve been beyond slammed here and i apologise for the delay in closing.as i mentioned before,all the ignition components had been replaced.some twice.with the exception of the hall swi...
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1994 Ford Mustang 3.8L courtesy lights VIN: 1FALP45T5R
Thanks for the replies! Well you all know what happens when we assume. I thought that because everything appeared to work properly before the module went to sleep that all the switches were working. OOPS! Found that the drivers side door handle switch was sho...
2
1994 Ford F-350 XL 4.9L Surge, Cuts out, Stall, Poor Fuel Economy VIN: 1FDHF37Y8R
THE FUEL PSI REGULATER WAS ALLOWING THE FUEL PASS RIGHT THROUGH AND VAC. LINE WAS OFF.
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1998 Ford Escort LX 2.0L Poor Idle Quality, Hesitation, Surge, Cuts out, Stall VIN: 1FAFP13P6W
thanks for all your help. the cure to this problem was a gps unit had been install on this car at some time before we got it and it was wired wrong. We removed the feed and the car now runs great. thanks again for your help
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2000 Ford Windstar LX 3.8L abs relay VIN: 2FMZA5148Y
THANKS FOR ALL THE HELP, IT ENDED UP BEING THE ABS CONTROL BOX, THANKS AGAIN. STEVE
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2001 Ford F-350 Super Duty XL 7.3L No Start VIN: 3FTSW31F91
Thanks to all how replied. I finally figured out the problem. After buying a high pressure oil pressure gauge (0-5000) I was able to check high pressure oil pressure found 0psi at both heads. Checked power and ground at IPR checked good. Then i tapped on IPR t...
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2003 Ford F-250 Super Duty XL 5.4L Electronic VIN: 1FTNW21L63
TRANSFER CASE MODULE LOCATE BEHIND THE GLOVE BOX . DID POWER AND GND GOING IN AND SWITCH IS MUX SWITCH AND RESISTANCE DID CHANGE WHEN TURN THE SWITCH TO DIFFRENT SETTINGS.WE REMOVE THE MODULE AND TOOK THE COVER OFF SURE ENOUGH THE DAMM THING HAD WATER IN IT A...
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2003 Ford E-350 5.4L limp in mode VIN: 1FTSS34L73
We replaced spark plugs and all coils due to feelings periodically of misfires, even though no misfire codes were ever stored. We found 2 coils arcing through the insulation, and 2 other plug tubes filled with coolant. We had condemned the cylinder head temp s... Trouble codes: P1299.
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2004 Ford E-350 Super Duty 6.0L Hard starting VIN: 1FDWE35P74
THANKS FOR THE REPLY. FOUND THE WIRING HARNESS RUBBING THROUGH GOING TO TO THE TRANS AT THE ENGINE COVER. I REMOVE THE COVER TO INSPECT THE WIRING SOON I REMOVE THE COVER IT WAS STARING AT ME 3 WIRES WERE BEAR NAKED. REPAIR THE WIRES AND ENGINE FIRED RIGHT UP ... Trouble codes: P0470 (Ebp ckt), P2614 (Ckp sensor ckt).
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2005 Ford Taurus SE 3.0L Cuts out, MIL Lamp on VIN: 1FAHP53275
I ended Putting The Original Coil Back On The Vehicle So She Could Drive It. I Belive The Pcm Is Defective But She Did Not Have The Money To Take A Shot In The Dark. I Bought Three Different Coils From Three Suppliers All Motorcraft Same Problem Car Back Fires... Trouble codes: P0352 (Primary Coil Circuit).
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2005 Ford F-350 Super Duty XLT 6.0L base eng oil pressure VIN: 1FTWW30PX5
Hi Guys,Thanks for all the info,being a one man shop sometimes makes it tough to diagnois new problems.The cure for this truck was the STC fitting leaking when the engine warmed up.Thanks again for all the help.
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2006 Ford Taurus SE 3.0L Mechanical VIN: 1FAFP56U26
I went through the tranny completely. New bushings, clutch plates, steels and seals. Installed Transgo shift kit (as usual), installed a 26,000 GVW external cooler and a bottle of Lubegard. Started the engine and immediately got a check engine light. I know th...
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1993 GMC G3500 Rally STX 7.4L Poor Idle Quality VIN: 2GJGG39N4P
IM SORRY FOE THE LACK OF INFO ON THIS VEHICLE BUT IT TURNED OUT IT WAS THE MAP SENSOR WAS BAD THANK YOU FOR All the help brian
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1999 Jeep Cherokee SE 4.0L Poor Idle Quality, Hesitation, Surge VIN: 1J4FT68S7X
installed iac motor because it was the only sensor actually acting up through data stream...no help also rewired ect sensor no help installed new ect sensor no help...i dunno...
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1998 Mercedes-Benz E320 3.2L Power Windows VIN: WDBJF6JF4W
THANKS FOR ALL THE IDEAS, BUT THE CUSTOMER HAS DECIDED NOT TO GO ANY FURTHUR AT THIS TIME. THIS IS THE FIRST TIME IVE USED THIS SITE, BUT I BELIEVE ITS GOING TO BE VERY HELPFUL. THANKS AGAIN AND IF I GET TO WORK ON IT I WILL POST WHATEVER I FIND
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1999 Mercury Cougar 2.0L Hesitation VIN: 1ZWFT6032X
Thanks to all who took time to reply. We thought we had the Mercury mystery solved but no. According to Identifix and other iatn posts the timing advance at idle should not be more than 22 degrees btdc. When checking the timing with a light it was at 46 btdc....
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2003 Mercury Mountaineer 4.6L Tranfer Case control Moduel VIN: 4M2DU86W03
The fixes are alwas somthing overlooked this is a all wheel drive truck. It has no elecrical controls all works from a clutch inside transfer case. Found bad clutch in case. Tanks
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2002 Oldsmobile Alero GL 3.4L No Start VIN: 1G3NL52E4C
Well, she is fixed. I was starting to get worried because the first half of the replies seemed to disregard the abnormal maf and gear position on the scantool and go straight for the passlock. My last four replies pointed me in the right direction. It was a pc...
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2003 Pontiac Montana 3.4L transmission VIN: 1GMDX03E13
thanks for the advise guys i replaced the trans and it took care of the problem the warranty company did not want to pay for any rebuild they just wanted to replace it . thanks again for the help
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1998 Saab 9-3 cab 2.0L temp gauge VIN: YS3DD78N8X
Thank you to all five guys that responded, everyone of you nailed it! Well done. The bottom line on this car is there are two temp sensors on the head of this car. There is one under the intake for the fuel injection. The one causing all my problems is at the ...
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2002 Volvo S80 2.9 2.9L Unknown VIN: YV1TS92D62
thanks for the replies. i have called the customer, and she has not returned for the check. the consensus is that the throttle body is bad and needs replaced. it is a service recall item, and is identified by its shape. i called volvo, and they told me they di...
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2004 Volvo V70 2.4 2.4L compressor clutch VIN: YV15W61T64
looks like position switch fixes this one.thanks to all who replied.your expertise is greatly appreciated.
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2005 Volvo XC90 2.5T 2.5L power loss VIN: YV1CZ59212
The XC90 is better. ABS light comes on at times. The other symtoms are gone after replacing CEM. Customer chooses to drive it as is for now. Thanks
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