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Prev Professional Automotive Repair Technical Discussions for February 1, 2013
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Help Request Answers
2005 BMW 545i 4.4L Smg VIN: WBANB33565
As stated in the history the SMG system has failed multiple times and with a shorter interval. The dealer will not replace the pump again under warranty. They claim the entire transmission and hydraulic system must be replaced to the tune of $7500. The big pro...
2007 BMW 328xi 3.0L tach & speedo VIN: WBAVC935X7
After battery replacement, while using a memory saver that plugs into the data link connector the dash doesn't light up and the speedo and tach are inpoerative. The fuse for the instrument cluster was blown. Replaced fuse and all is well. Anyone seen some kind...
1997 Cadillac DeVille 4.6L lifter VIN: 1G6KD54Y0V
We just did a lower oil pan gasket on this car and it came back with a lifter noise after it sits for 15 minutes or on cold starts. also gets an oil light coming on at idle when first started.
1993 Chevrolet K3500 Silverado 6.5L glow plug light VIN: 1GCHK34FXP
This truck has done this for quite a while. Driving down the road the glow plug light & battery light flash togather? When you start the vehicle the glow plug light cycles normally when starting. The Alternator charges normally. We did notice when your driving...
1998 Chevrolet K2500 Cheyenne 7.4L torque converter VIN: 1GCGK24JSW
This truck was brought to me with a complaint of no overdrive. Overdrive works fine but the converter never locks up. The computer never commands it. It has all the info required--engine temp, vss,tps,brake switch etc. There are no engine codes. If I program m...
2003 Chrysler 300M 3.5L Cuts out, Misfire, MIL Lamp on VIN: 2C3HE66G33
Hi chrysler techs" originally had a code "poo16"=cam/crank misalignment AND a po700,,, WE told him he needed t-belt w/pump job to fix that code,,did find marks "OFF", replaced belt+ now no more poo16,, but now it will code "right away" all the ignition primary... Trouble codes: P0351, P0352, P0353, P0354, P0355, P0356
2004 Dodge Durango ST 4.7L Speed Sensor Ground Error VIN: 1D4HB38N14
Test drove 5-10 miles, no problems, on way back when downshifting into passing gear had slight hesitation and went to limp mode. Scanned, P0700 & P1794 Speed Sensor Ground Error. Checked connections, sensors, etc. Swapped sensors, no change. Code comes back im...
2005 Dodge Ram 2500 Truck Laramie 5.9L Deseil Fuel In Motor Oil VIN: 3D7KS28CX5
this trucks leaking fuel into engine at a rate of possibly 7 lt's over 3 or 4 weeks, unsure as too how many miles, truck runs well, good power, no missfire, does'nt smoke but is definately leaking fuel into engine somewhere. not a desiel tech but told customer...
2005 Dodge Ram 1500 Truck ST 5.7L Engine VIN: 1D7HA16D85
I'm very stumped on this one guys. The truck used to stall 1 time first thing in the morning at the first stop sign i arrived at (less than 1/4 mile). It would cut off just as if the key was switched off. I would restart in neutral and the truck would not give...
1984 Ford Bronco II Eddie Bauer 2.8L Starter stays engaged VIN: 1FMCU14S4E
Hi every body.Thanks in advance for being an iATN member & caring enough to help others.My problem with this vehicle is on average of about 3 years the starter will stay engaged after start up this last time even with the key shut off.This is a very long term ...
2004 Ford Expedition Eddie Bauer 5.4L Unknown VIN: 1FMFU18L44
Greetings to all customer stated check advance trac message appeared on dash.scanned transfer case module found code c1979 iwe solenoid fault.tested solenoid and found to be bad replaced solenoid road tested all was good.customer came in this week says advance...
2005 Ford Expedition XLT 5.4L dead hole VIN: 1FMPU165X5
I have a customer that has a 05 5.4 with two burnt pistions, my ? is will a 2009 and newer 5.4 3 valve motor work to replace his engine, I know there has been updates and it is a better engine. Thanks Jason
2006 Ford Taurus SE 3.0L No Crank VIN: 1FAFP53U36
We got this Taurus in on a hook, vehicle will not crank, I can manually turn vehicle over with a power probe to the trigger wire at starter but car will not run, just turn over. all gauges are working as well as lights. attempted to scan for codes with 2 diffe...
2008 Ford E-350 Super Duty XLT 5.4L Safety VIN: 1FBSS31L28
Air Bag and TPMS lights,Blower motor runs and multifunction switch power with key off,and even with ignition switch unplugged, during interior light time out. Sometimes interior lights remain on.SRS faults B1048, B1057, B2293. Suspect module problems, did some...
1996 GMC K2500 Sierra SL 6.5L No Start VIN: 1GTGK24F6T
hello fellow techs of iatn!i'm looking for some advise for this truck since is my first time working on gm diesel engine witch i'm not familiar at all(had fixed lots of powerstrokes).truck was towed to my shop for no start so first thing I did was to scan it a... Trouble codes: P1218
1982 Honda Prelude 1.8L winshield wipers VIN: JHMSN522XC
tested motor at connector runs both speeds ohmed wires from motor to switch all ok had to turn key on for relay for one wire to have continuity use power and ground pin from disconnected motor to test it. tryed adding ground at switch and motor, no help replac...
2008 Honda Accord LX 2.4L No Start VIN: JHMCP26408
vehicle is a crank no start with good ignition spark and injector pulse. found less than 100psi compression from possible flood situation. added atf to cylinders and all increase to around 120psi. full fuel tank of contaminated fuel. drained fuel tank and refi...
2006 Hummer H3 3.5L MIL Lamp on VIN: 5GTDN13636
truck runs good,no apperant vaccum leaks,throttle body has been cleaned.If the MAF sensor is unpluged fuel trims come back into line.but known good part did not help! Trouble codes: P0171
2005 Hyundai Elantra GLS 2.0L idle, drivability VIN: KMHDN56D35
We replaced this clutch at customer request. After installing vehicle was fine. The next morning the vechile had a vibration at idle, third and reverse was difficult to engage, and while driving when you shift between gears the rpms will climb to 4000rpm and h...
2004 Isuzu Rodeo S 3.5L Hesitation, MIL Lamp on VIN: 4S2CK58Y34
Has intermitent code P1239 and reduced power light come on. Unsure what the defenition is for this code. Alldata, identifix, and snap-on have no information on the code or the system. Looking for some help with a defenition and flow chart for specific code. An... Trouble codes: P1239
2005 Kia Sedona EX 3.5L illumination lights VIN: KNDUP13235
The 10A illumination fuse blows when the key is turned on. Disconnected the illumination dimmer switch and probed the wires leading to the short connectors SC-01 and SC-05 and found them shorted to ground. These short connectors appear to form each edge of a g...
2010 Lincoln MKX 3.5L Cuts out, Misfire VIN: 2LMDJ8JC1A
This Lincoln has an intermittent misfire under heavy(full throttle), high rpm load. Initial code was P0306, swapped #6 coil to #4, swapped #6 plug to #2. Erased code and was not able to duplicate misfire. Customer returned week and a half later, had pending co... Trouble codes: P0306, P0300, P0305
2003 Mercedes-Benz E320 3.2L battery VIN: WDBUF65J73
battery warning light comes on at times. replaced aux battery under the hood, but it still comes back on. has bcm code 9051 consumer shut off stage 1 and 9050 consumer shut off stage 2. it don't always come on just intermittently. if i clear the code, the code...
2007 Mini Cooper S 1.6L oil leaking VIN: WMWMF73597
Happy Friday I have a 2009 mini cooper s turbo 1.6L it hs oil leaking from the back of the motor when i look at the valve cover on the intake manifold side i dont see any leaks but on top of the valve cover it is slightly wet but not around the edge of it. My ...
2008 Nissan Quest SL 3.5L Misfire VIN: 5N1BV28U18
Hi Nissan Techs, I have the car came with MIL flashing. I scaned the car, code po303. I ask the customer if he ever do any tune up, he said he never done any things since new. so I recommend him plugs, air filter and coils.I installed all parts from Nissan. I ... Trouble codes: P0303
2005 Subaru Forester X 2.5L Awd VIN: JF1SG63665
4WD locks up on tight turns. When you put the car in park and shut the key off the car jumps out of 4WD. Tires are warn but all the same brand and size.
2006 Toyota 4Runner Limited 4.0L parasitic draw VIN: JTEBU17R16
Hi felleas i have this 4-runner battery goes dead over night. I have a draw .250 i have found that if you take out the dome light fuse draw goes away. At this time i noticed that the light in drivers door will not go out. Using scan tool it doesnt show door sw...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2001 Acura MDX Touring 3.5L Lighting VIN: 2HNYD18691
Sorry, we running out of time on this one. Cutomer running out of patient since car has already been here for 2days before we post this request. I got few good sugestions [...] chase short in the future. 1)put in circuit breaker and feel for warm wire. 2)put in ...
1998 BMW Z3 Roadster 2.8L Reving VIN: 4USCJ3336W
Sad to say that this one is not yet fixed. Checked several times on the live data before and during cranking, never could see anything out of the ordinary. Customer decided to pick up vehicle and bring it back at a later time. Thanks for all the help so far...
2000 BMW 740i 4.4L speedo,abs,batt.light VIN: WBAGG8341Y
Replaced defective alternator(bad regulator)and problem with ABS system and speedo was bad rear wheel sensor connector.TECHS note that this model does not have a seperate speedo.sensor on differential or on transmission,it uses the rear ABS sensors...
2001 BMW X5 4.4i 4.4L Hesitation, Cuts out, MIL Lamp on VIN: WBAFB33551
This one's fixed! Thanks for all the responses. We ended up ordering new Bosch MAF. Installed, reset adaptions, reset throttle body setting and took it for a test drive. MAF reading now reads an accurate reading of 798 kg/H. Great power/acceleration. Along wit... Trouble codes: P0171, P0174.
2004 BMW 325i 2.5L Hesitation, Stall, Misfire, MIL Lamp on VIN: WBAET37494
I want to Thank everybody that sent me information about this car. The customer decided to trade the car in on something else to drive. We did verify that the cats are stopped up and after all of the responses we are pretty sure the crank case ventatlation sys... Trouble codes: 2962 (Oxygen Sensor Dynamics), 28A2, 27C3, 91 (Can Torque Reduction), 37 (Gear monitoring 5), 5E19.
2001 Chevrolet Astro LS 4.3L Starting VIN: 1GNEL19W51
after several hours of checking wires and sensors we found a poor connection at the pcm for the ignition and fuel system. we tightened up the pins in the pcm connector and vehicle started. test drove vehicle and it seem to be ok now
2004 Chevrolet Silverado 1500 LS 5.3L MIL Lamp on VIN: 2GCEK13T94
Thanks for all the replies, I think this this is in bag took the truck back for more repairs requesting to see the parts that got changed. They aparentlly did not do all they said they would do to fix the truck the first two times it was in their shop. This ti... Trouble codes: P0327.
2005 Chevrolet Cobalt 2.2L water pump VIN: 1G1AK52F55
Thanks to everyone who replied. By the demand of the boss, I replace the water pump. But upon removal I had a hard time removing the pump off the sprocket. I had an even more difficult time installing the new pump. Long story short, as several of you mentioned...
2006 Chevrolet Silverado 2500 HD LT 6.6L glow plug VIN: 1GCHK23D36
Controller was the issue thank you very much. I do not know why it picks on the number 6 glow plug but it has not come on since.
2007 Chevrolet Tahoe LTZ 5.3L Misfire, Poor Fuel Economy, MIL Lamp on, Limp Mode VIN: 1GNFC13017
Thank you everyone!! Specifically, Justin from Ohio. We found the wires chafing on the metal AC lines (to Accumulator), right rear of engine compartment, near trans dipstick. It was a full harness but the pink wire (possibly with black stripe) was the only one... Trouble codes: P0202 (Cylinder 2 Injector Circuit Fault), P0204 (Cylinder 4 Injector Circuit Fault), P0206 (Cylinder 6 Injector Circuit Fault), P0208 (Cylinder 8 Injector Circuit Fault), P0300 (Random Cylinder Misfire).
2007 Chevrolet Impala LTZ 3.9L High idle VIN: 2G1WU58R77
We did not fix this car. Thank you for all the usefull information. We were hesitant to diagnose a faulty pcm and the customer needed the car, of course. He brought it to the dealer instead of back to us. Guess what! the dealer told him they weren't sure what ... Trouble codes: P0121 (p2119-), P2119.
2009 Chevrolet Cobalt LT 2.2L Misfire, MIL Lamp on VIN: 1G1AT58H39
We thought the injector was washing out the cylinder with fuel, thats why we thought we had an injector problem. Customer decided to take it to the dealer since it had low miles on the engine. Thanks for all the replies. Trouble codes: P0301.
2011 Chevrolet Colorado LT 3.7L Key FOB VIN: 1GCHTCFE1B
I am so grateful for the quick, accurate, and precise response from IATN techs! What a good way to help each other, and to promote good relations between auto technicians. Several answers were exactly on the money. You go to Body control module, then Module...
2003 Chrysler Town & Country (Van) LX 3.8L mic VIN: 2C4GP44L73
boy did I get lucky with this one. I did get comm with pcm but not mic. I decided to go with the rad fans always on problem first, was hoping to find the relay stuck on or something. I started looking for it could not find it.i followed the harness down to se...
2003 Dodge Ram 3500 Truck 5.9L No Start VIN: 3D7MU48C83
Thanks for all the help it is very appreciated! I finally found caps that would work on the fuel rail and checked the injector return and also checked the lift pump pressure and volume and all seemed well. Customer had stated that the fuel filter and lift pump...
2004 Dodge Ram 3500 Truck ST 5.9L No Start, Stall, Misfire, MIL Lamp on VIN: 3D7LU38C84
Well had to get back in the books and chase some more wires (G120 after splice)Half had good ground half did not.DLC connector good,alternator and fuel system not.Lost a pile of money on a problem that we just found out has been going on for a while.Hope this...
1996 Ford Explorer Eddie Bauer 4.0L foward gears VIN: 1FMDU34X7T
thanks so much to all the guys who replied. the knowledge i gained from iatn techs is very valuable. once trans was dissembled and inspected, i found cracked sealing ring between forward drum and center support broken. its scored the groove in the forward dr...
2001 Ford Taurus LX 3.0L No Start
Switched the wires at the connector and the engine runs. Thanks much everyone for the help.
2010 Ford Escape XLT 2.5L vehicle
like to thank everyone with all the helpful information.. we fixed the problem ,we replaced the entire driveshaft ,carrier bearing and rear flange assy. thanks alot...
1998 Honda Accord EX 3.0L oil pressure VIN: 1HGCG2250W
Thanks for all the replies guys! Figured it out last night. Customer had installed a starter previously to the no start condition. ended up the starter was cranking the engine counterclockwise not clockwise...lmao! the kicker was it fired up and ran like that ...
1998 Jeep Grand Cherokee Laredo 4.0L dome lights
You guys are awesome. Thanks for the help. Apparantly someone had problems in the past, pulled right kick panel and courtesy light relay was missing. Found it laying down behind kick panel plugged it back in dome lights on all the time. Replaced relay all is g...
2001 Jeep Grand Cherokee Laredo 4.7L No Start VIN: 1J4GW48N41
called the customer and told them the news. ordered a pcm from chrysler and had them reprogram it. jeep started right up and runs fine.thanks everyone for your input. sometimes these security systems can be bypassed and some they cant but on the jeeps they can...
2004 Jeep Liberty Limited 3.7L Front brakes VIN: 1J4GL58K74
This vehicle came back with the brakes dragging again. I loosened the line at the master cylinder and the brakes freed up. I replaced the master cylinder, that has been several weeks ago now and vehicle has not returned, so I assume the vehicle is fixed. Sever...
2006 Jeep Grand Cherokee Laredo 3.7L Filling VIN: 1J4GR48K86
The evap canister solved our problem ?? Don't have any Idea why it would have been right after we did a fuel pump but that is how this business works sometimes it just sucks (go figure) ??
2002 Lincoln LS 3.0L Poor Idle Quality, Hesitation, Misfire, MIL Lamp on VIN: 1LNHM86S82
Bottom line is: customer didn't want to spend any more money on this repair and will trade in his vehicle. We felt certain it was a bad injector and offered to replace that one and all new injector connectors and give a break on the labor. Too risky for him... Trouble codes: P0303.
1994 Mazda Miata 1.8L Battery VIN: JM1NA3535R
Thank you to all who replied to my request. I've reveiwed your input and have discussed this case with a couple auto electric professionals in the area as well. We have a couple good leads such as checking for voltage drop and inspecting the starter solenoid c...
1984 Mercedes-Benz 300D 3.0L Charging VIN: WDBAB33A9E
Thanks to all that helped. Thanks to Slawomir from Oregon and Alain from California, the problem was the glow plug relay, it got water inside so made a big short, after replaced, voltage went up to 13.1 v and at 2500 rpms 13.9 to 14.1 v.I released vehicle hopp...
2004 Mitsubishi Endeavor XLS 3.8L Lights,Horn, Windows VIN: 4A4MM31S64
Ok we got this one fixed! We decided to focus on the forced entry alarm and why it would stay active. The driver door master switch and the door lock cylinder switch were both defective. We replaced both and still had issues, additional inspection and testin...
1999 Nissan Pathfinder LE 3.3L MIL Lamp on
Thanks for all the helps, I have replaced the canister and the bypass solenoid problem is gone Trouble codes: P1440.
1992 Plymouth Grand Voyager LE 3.3L ABS Motor/ Accumulator VIN: 1P4GH54R8N
This van is fixed. First of all I want to say that the Eugene area absolutely has an ethical and honest dealer service department, everything they told me was proved true beyond any doubt! The dealer more than honored their end of the lifetime warranty by t...
2004 Pontiac Grand Prix GT1 3.8L plastic elbos VIN: 2G2WP52204
OK Guys metal elbos was and is the way to go, will see how that holds and will use them from now on. I did also replace radiator cap.Most all suggested metal ones thanks alot.
1989 Toyota MR2 GT 1.6L Stall VIN: JT2AW15C4K
thank you to all the responses,and yes the air flow meter was at fault and also the owner installed the timing belt and it was off one tooth,reset everything and fix thank you again
2001 Toyota Camry CE 2.2L Overheating VIN: 4T1BG22K01
First and foremost, thanks to all members who replied and offered advice. Gonna call this a fix. Customer called this morn and drove car over sixty miles with no problems. Guess I can add coolant sending units to my list of parts to go O.E. only on. Again, j...
2005 Toyota Prius 1.5L Cooling Systems VIN: JTDKB20U05
Thanks to all who responded especially Carolyn. First it was my mistake saying it was a 170 degree T-stat. It is a 180 - I just had 170 on the brain. I went through the procedure described by Carolyn. I wrote everything down as time elapsed and it went just li...
1998 Volvo S70 2.4L MIL Lamp on VIN: YV1LS5576W
Thanks to all who replied. We did the battery disconnect and replaced the 90 degree elbow. Cleared the MIL and drove. Customer picked up vehicle and light has yet to return Trouble codes: P0133 (02 sensor circuit slow responce bank 1 sensor 1), P0140 (02 sensor circuit no activity detected bank 1 sensor 2).
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