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Prev Professional Automotive Repair Technical Discussions for January 31, 2013
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Help Request Answers
2007 Audi A8 Quattro 4.2L Misfire VIN: WAULV44EG7
First question, is number #7 spark plug hole on the drivers side, Alldata says it is? We have replaced all the spark plus and one coil # 7 and we still get the Check Engine light flashing on hard accelloration for #7 cyl. We checked the coil connecter for #7 c... Trouble codes: P0300 (Random / Multiple Cylinder misfires detected), P0307 (Cylinder 7 Misfire detected)
2002 Chevrolet Trailblazer LS 4.2L transfer cas VIN: 1GNDT13S02
trailblazer is back when selector switch is in 2wd encoder goes into neut but not all the time. Put scan tool on and watched data when moveing the switch switch says one thing encoder say's another IE: 2wd=neut, 4hi=a4wd but not all the time any thoughts
2005 Chevrolet Cobalt 2.2L water pump VIN: 1G1AK52F55
Hello IATN members; I have a Cobalt with the 2.2L Ecotech engine. Recently I put in a water pump and radiator which were leaking coolant. Both parts are aftermarket. After completing the repairs, the water pump is now whining. I do not know if these require a ...
2005 Chevrolet Cobalt LS 2.2L MIL Lamp on VIN: 1G1AL54F05
I've got a head scratcher here that is starting to try our patience a bit. Back in Oct we serviced this vehicle for a B1S1 02 sensor switching failure. After some quick testing we replaced the primary 02 sensor w/ a new unit and cleared dtc to ship it. About a... Trouble codes: P0113
2005 Chevrolet Impala LS 3.8L 2-3 shift VIN: 2G1WH55K75
Intermittently has a lag in shift going between 28 - 40 mph. Feels like the vehicle went into neutral for a bit. Other shifts are okay. Down shifts appear normal. Fluid level okay, but has slight smell in fluid. Trying to get a jump start on diagnosing this. A...
2006 Chevrolet Impala LS 3.5L Heater VIN: 2G1WB58K96
Hello friends. This car heats very well off idle. The engine is reaching normal temp. I have been through the coolant fill procedure that instructs to open system cap, remove heater hose from coolant pipe , fill pipe, raise hose & fill w/funnel, connect hose, ...
2007 Chevrolet Tahoe LTZ 5.3L Misfire, Poor Fuel Economy, MIL Lamp on, Limp Mode VIN: 1GNFC13017
Customer drove the vehicle here in limp mode with check engine light and stabilitrak message on. We checked fuse 13 because the customer just had it replaced at Jiffy Lube. Fuse 13 was blown, we replaced. We had codes for injectors 2,4,6,8 we have cleared and ... 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)
2011 Chevrolet Cruze LT 1.4L water pump VIN: 1G1PH5S93B
Thanks up front for any help, I do not have any labor times for this 2011 Cruze w/1.4L turbo. Does anyone know how long it takes to change the water pump? Does not look to difficult, but?? Are there any issues with pumps on these things, 60,000 & 2 years is no...
2003 Chrysler Town & Country (Van) LX 3.8L mic VIN: 2C4GP44L73
tough one. was a no start no crank. jump start attempt. no go. found rad fans running constant, 40a abs fuse out.switched abs and fan 40a fuses, crank no start. checked for spark,fuel pressure- fuel yes, spark no. tested for spark with spark tester not old spa...
2004 Chrysler Sebring GTC 2.7L No Start VIN: 1C3EL75R54
This vehicle came in from another shop and i am getting conflicting reports. Shop stated that it quit running driving down the road. Customer stated engine overheated and quit running. Either way, engine spins over quickly with very little compression and is b... Trouble codes: P0725 (Engine speed sensor)
2006 Chrysler 300 (Car) Touring 3.5L Heater VIN: 2C3KK53GX6
I've already tried to post this, so if it duplicates - sorry.Hi I have a nagging problem. Originally this vehicle came in with an overheated complaint. We topped up the cooling system, it took only 1.5 liters, and let run until the engine was warm. This took a...
1998 Dodge Ram 1500 Truck ST 5.9L No Start VIN: 1B7HF16Z6W
Came in as a no start found bad cam sensor and cat was trashed. Replaced cap rotor and cam sensor started up ran for 3 min and died... Checked into more found bad crank sensor and questionable coil replaced both and ran for 1 min and died havent been able to s...
2003 Dodge Ram 3500 Truck 5.9L No Start VIN: 3D7MU48C83
First off thanks for any help in advance. We mainly deal with powerstokes but the local cummins repair shop closed down and I have several good customers without anywhere close to go. having said that, Im not famailar with the common rail system on this model....
2001 Ford Ranger XL 2.3L timing VIN: 1FTYR10D81
This one for the ford techs out there.vehicle came in with a blown intake valve .the heads were removed . the cams were aligned with the plate , the crank was turned left until it hit the stop ( special screw that bolts to the side of the block ) it was confir...
2001 Ford Taurus LX 3.0L No Start
After replacing the timing cover gasket I now have a nostart situation with no spark. During the gasket repair it was found that the lock clip for the harness plug connection to the crankshaft position sensor was bad. Which would allow the plug to come loose a...
2003 Ford Explorer XLT 4.6L Differential VIN: 1FMDU83WX3
Greeting to all vehicle has slight chatter when turing left or right at slow speeds. We serviced the rear diff and transfer case with additive and still the same problem. We checked tires and they are in good shape. Found tsb for possible bad clutch pack in re...
2004 Ford F-350 Super Duty Harley-Davidson Edition 6.0L No Start VIN: 1FDWF36P94
HELP power stroke gurus. This is an early build 6.0 L. This truck originally came to us missing and smoking like crazy. We replaced a failed #5 injector. Test drove and all was good. Customer picked up on Friday and on Tuesday it died while they were driving i...
2004 Ford F650 6.0L power to ECM VIN: 3FRNF65J94
Hi fellow Tech's. I urged my customer not to buy this 6.0L Diesel but he did it anyway just this past August. He has put a total of 879 miles on it and it lost all power to the ECM. I traced it back to the ECM relay, no power there so I traced it back to the f...
2005 Ford F-150 FX4 5.4L 4x4 VIN: 1FTPW14555
Help me this truck has no 4x4 check all fuses they are good checked all my powers and grounds at the pcm being that the pcm is the transfer case controll module they all test good the system is above 12 volts there is no codes in the pcm and if you try to go i...
2005 Ford F-250 Super Duty King Ranch 6.0L Transfer Case VIN: 1FTSW21P75
Hello fellow techs. This 2005 ford f-250 w/diesel has no no 4wd. We noticed that the swich status display on scan tool sometimes dose not display, we are trying to test to see if power is sent to the auxiliary relay box 3 ",hi /lo " ".lo /hi relays" but the lo...
2006 Ford F-350 Super Duty XLT 6.0L electric fan clutch VIN: 1FTWW33P46
customer stated that when he leaves truck at idle with ac on after a minute freon blows out the over pressure valve, we have replaced the dual function pressure switch in the high pressure line, which we think helps to control the radiator fan,after replacing ...
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...
1998 Honda Accord EX 3.0L oil pressure VIN: 1HGCG2250W
Car came into shop as a no start. Has spark and fuel pressure. Injectors are delivering fuel. Timing marks are lined up with a new belt installed. Backfires thru intake and intermittently sounds like it wants to run. Has no oil pressure! pulled filter off and ...
2002 Hyundai Sonata 2.4L Misfire VIN: KMHWF25S82
Locate no spark problem. Replace Ecu with used. Can not reprogram with PASS THUR PRO. Made wire connections for hyundai to Pass thur with jumpers. Reprogram starts then connection error and then end of the programing. Hyundai manual says you can just plug in a... Trouble codes: P0301
2003 Jaguar S-Type 3.0L Auto headlamp leveling VIN: SAJEA01T03
Hi. The headlamps on this car are pointing at the ground. The customer says they both stoped working at the same time. I'm aware of the common problem with the inside of the lamps but these do not seem to be broken. The motors never attempt to move at startup ...
2005 Jaguar XJ8 4.2L No Start, Stall, Misfire VIN: SAJWA79C15
Hello, I recently closed this case as I thought the car was fixed, but it isnt fixed after all. This Jaguar will run perfectly but will suddenly start misfiring and the restricted performance message will appear on the cluster. When I check the DTC's. it gives...
2005 Jeep Grand Cherokee Laredo 3.7L Oil Pressure light VIN: 1J4GR48K55
Customer complained about the oil pressure light coming on when the vehicle is warmed up and when she steps on the brakes. However I was not able to duplicate the complaint. I know there is a tsb (#1803305) on this vehicle. For some reason it does not show up ...
2004 Land Rover Discovery HSE 4.6L Poor Idle Quality, Poor Fuel Economy VIN: SALTP194X4
I have a Land Rover in the shop which I replaced the bank 2 front sensor for no activity which I thought was due to oil contamination. We have done several of these cars due to emission failures. At the same time I replaced the valve cover gaskets. Test drove ... Trouble codes: P0150 (O2 sensor bank 2 sensor 1 no activity), P0174 (Bank 2 system too lean)
2000 Lexus LX470 4.7L shoicks VIN: JT6HT00W1Y
very excessive road bounce and hits very hard bounces 4 to 5 times after bump...
2006 Lincoln Navigator Ultimate 5.4L Ride control VIN: 5LMFU27516
suspencion out off level one side higer than the other side
1984 Mercedes-Benz 300D 3.0L Loss of heat
Customer purchased vehicle last year and has since had a lot of work done to "restore" it. This past summer, I replaced the radiator, water pump, T-stat, and hoses, performed a flush and bleed/fill and repaired a number of vacuum issues. The heater control hea...
1999 Mercury Sable LS 3.0L blower motor VIN: 1MEFM53S1X
tested voltage at blower resistor n no voltage when operating system.added voltage n blower runs ok.test indicate that voltage shoud b there at all times n control head provides ground for proper operation.blower operation worked while jumper was added
2001 Mitsubishi Montero Limited 3.5L passenger side heater VIN: JA4MW51R21
no heat coming from passenger side (nearest door) dash vent or floor heat. driver's side and center dash areas have excellent heat. i can see the mode door and mixer door levers working via cables. what am I missing?
2003 Oldsmobile Bravada 4.2L Crank no start VIN: 1GHDT13S73
I'm sending to dealership to have camshaft solenoid/pcm reflashed for tsb's for codes i have a tech 2 and the test all pass for the solenoid and voltage test customer states that twice they have had a crank but no start condition which i have not seen/witnesse... Trouble codes: P0013 (Camshaft solenoid), P0014 (camshaft solenoid)
1992 Plymouth Grand Voyager LE 3.3L ABS Motor/ Accumulator VIN: 1P4GH54R8N
I have this van that has a very hard brake pedal, the ABS pump never stops running, and when the brakes are applied will barely stop the van. My scanner shows a code 16 low accumulator, the ABS and brake lights are on. The scanner shows 5.0 volts at the accumu...
2004 Pontiac Grand Prix GT1 3.8L plastic elbos VIN: 2G2WP52204
Original elbos were dry rotted and crumbled. Replacement aftermarket came back months later blown apart or just missimg except for o ring and end plastic. I am going to use oe this time any Ideas.Aready put 3rd set of elbos in so I can run vechicle ,dont want ...
2009 Saab 9-3 2.0T 2.0L MIL Lamp on, Throttle Limp Home VIN: YS3FB42Y49
Greetings to all - this car arrived with CEL on, in 'throttle-body' limp home, codes were P1681 (ECM internal fault) and P2135 (Throttle position sensors don't agree). I saw this same pair of codes in a 2005 9-3 a week ago, and there are at least two members r... Trouble codes: P1681 (T8 ECM internal fault), P2135 (Throttle position sensors dont agree)
1997 Saturn SL1 1.9L turn signal VIN: 1G8ZH5284V
I sure hope someone can guide me here. This saturn belongs to the boss, and i get stuck trying to figure out why the turn signal fuse pops as soon as the key is turned. I'm not very good at finding shorts in the wiring harness, but I THINK this is what is happ...
2003 Saturn Vue 3.0L Mechanical VIN: 5GZCZ53B63
Please help 3.0 timing belt first timer. Replacing timing belt water pump and tensioner and pulleys and was reading the procedure and wanted to get some help from those who have done many of these because the procedure seemed a little strange. I will be using ...
2008 Smart Fortwo Pure 1.0L Shifting VIN: WMEEJ31X28
Starts but no gears any help i will apreciate
1996 Toyota Camry DX 2.2L Mechanical VIN: JT2BG12KXT
after driving awhile the brake peddle drops to the floor. we drive approx 4miles and the customer picked up vehicle and the peddle drops,got vehicle back then test drive and we had the peddle drop. thought the brake fluid was getting hot,but the rotors are abo...
2000 Toyota Avalon XL 3.0L No Start VIN: 4T1BF28B8Y
hello. i have been working on 2000 toyota avalon with a no start condition(3.0l). checked basics and all seem ok. car died on the customer while it was warming. it restarted for him and ran poorly for him and stalled again. has not restarted again. i have neve...
2001 Toyota Camry CE 2.2L Overheating VIN: 4T1BG22K01
Having a issue with what I thought was bad cooling sending unit for dash. Vehicle came in for what customer thought was vehicle overheating. Temp gauge needle in the red. Confirmed that vehicle was indeed overheating and found broken spring on thermostat. Con...
2002 Toyota Sequoia SR5 4.7L Cam Timing VIN: 5TDZT34A42
i have read that there has been some mechanics having problem with the cam timing getting off after the timing belt and water pump has been replaced with aftermarket parts. They said that go back with toyota parts and problems were gone. I have this problem w...
2005 Toyota Prius 1.5L Cooling Systems VIN: JTDKB20U05
I replaced the leaking water pump & belt per the customer's request. Also had a P0420 code. Cleared it. While road testing I noticed the engine temp was not getting above 150 degrees. I went ahead and replaced the thermostat & bled cooling system again. Again ...
2002 Volkswagen Jetta GLS 1.8L MIL Lamp on VIN: 3VWSE69M12
This VW has a reoccuring check engine light for camshaft position sensor. I have tested the sensor and it tests good along with the wiring from the ecu to the sensor itself. I have also checked timing marks on the timing belt from crankshaft to camshaft and po... Trouble codes: P1340 (Camshaft Postion Sensor- G40 Engine Speed Sensor- G28 incorrect allocation)
2002 Volkswagen EuroVan MV 2.8L Cuts out, Stall, MIL Lamp on VIN: WV2NB47012
Hi there and thanks for the advice on this one. I have this 2002 V6 Eurovan in for stalling at stops always. It will restart up but you have to gun the gas to keep it going and nearly powerbrake it to pull it into a gear. It is like the throttle body does not ... Trouble codes: P0725
2006 Volkswagen Touareg TDI 5.0L reflash VIN: WVGPT77L26
customer is looking to add more power ,, does anyone have a good recomendation for reprogramming site or software also any idea on labor time to r/r engine assy as one turbo is leaking

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2003 Acura TL 3.2L r.r. window VIN: 19UUA56673
Long from texas was right. turns out the door was from a year earlier car. the wires are the same colors but are in different locations in the connector plug. I moved all wires in the door connector the to match the same locations as the r. f. door and the rea...
1997 Cadillac DeVille Concours 4.6L Blower motor VIN: 1G6KF5493V
well when i got in this morning first thing i did was run the vehicle.prestro-blower works.did'nt no it had to be running.thanx juan.also read some archive post as well and that stuck out.did'nt have any codes,and i had a ground control on the center wire in ...
2003 Cadillac CTS 3.2L no drive VIN: 1G6DM57N83
Thank you for all of the replies. As I had suspected, this transmission is like 99% of electronically controlled units in that even with the transmission harness disconnected, it should still have reverse and 1 forward gear. This one has no forward or revers...
1964 Chevrolet Corvette 5.3L shifter VIN: 40867S1170
Hi guys, thank you all for your input as I said the problem was related to the shifter only. I checked the alignment of the levers and they were all lined up properly, so I ended up removing the shifter all together and took it apart and I found a screw that f...
2007 Chevrolet Cobalt LT 2.2L monitors VIN: 1G1AL55F37
Sent cust. to local dealer for possible puter replacement. Dealer said there was nothing wrong. Cust. called and agreed to come by next day so I could verify no repairs needed. Hooked up scanner and again no monitors ready after 1 day of driving, showed cust. ...
2007 Chevrolet Express 3500 6.0L Oil Pressure VIN: 1GCHG35U77
Many, many thanks to all who responded. You were dead on, installed a new pick-up tube and seal and all is well. IATN strikes again. Again, many thanks and God Bless!
2000 Dodge Ram 1500 Truck ST 5.9L Convertor VIN: 1B7HC13Z5Y
Thank you everyone for the advice. The issue ended up being in the rear end, as much as it did not sound like it was coming from there. After removing the diff cover, I found the fluid inside to be very think, and discolored. There was not an excessive amou...
2000 Dodge Durango 5.9L pcm VIN: 1B4HR28Z7Y
Boss decided he knew best,installed ecm and sent truck home.Truck is now back this time ecm lasted two weeks.I do know for certain that the short is in the transmission,but boss will not allow me to open and fix.Thank You for your help.
2005 Ford Freestyle SE 3.0L differential oil pump VIN: 1FMDK04125
I am going to close this post,as my readings are now correct for a prolonged period of time.As I stated in my post,Ford diagnosics are very poor for this code and condition.If I had done the $261 TSB first,the vehicle still would have an issue,as the pump on m...
2005 Ford F-250 Super Duty King Ranch 6.0L high pressure line VIN: 1FTSW21P95
well we got it out it is diffenty a two man job in the truck two tricks we did was to tack weld the torx socket to the the swevel so it would not fall off we also built a lasso to hold the torx while we turned it i used a washer and a small length of allthread...
2007 Ford Ranger FX4 4.0L transfer case VIN: 1FTZR45EX7
Received several messages about proper tire size and NOT to drive on dry pavement in 4x4. Checked tire size and found they were close but not exact. Advised customer of tire size issue and strongly suggested he quit driving in 4x4 on dry pavement. Heve not hea...
2011 Ford F-250 Super Duty King Ranch 6.2L freon VIN: 1FT7W2B6XB
Thanks to all who replied to a seemingly simple post. While the dealer told me they dont see alot of them, they had a evap in stock. Hmmm. I dont usually post simple requests like this but on a 2 year old truck I wanted to make sure they hadn't come up with so...
1993 Geo Metro LSi 1.0L Electronic VIN: JG1MR3366P
Thank you for the help, most said that it was the TCM which I have also narrowed it down too! Have not found a TCM yet but possible have one coming. Will repost when I get it! Thanks Steve
2003 Honda Odyssey EX 3.5L Misfire, MIL Lamp on VIN: 5FNRL18983
Thanks to all who replied. Several of you were on top of this from the very beginning as we confirmed that there was a head gasket leak (presumably as we have not removed the cylinder head as of yet). As we read the responses, we became very confident that the... Trouble codes: P0300 (p0304-), P0304 (p0305-), P0305 (p0306-), P0306 (p1399-), P1399.
2005 Honda Pilot EX 3.5L Vtm VIN: 5FNYF18545
As most of you said, the knock sensor code was caused from a severed knock sensor harness. The new one from Honda is in flex-loom with little mouse pictures with x's on them indicating that it isn't tasty for them due to capasin inside which is code for cayen...
2004 Jaguar X-Type 2.5L No Start VIN: SAJEA52D24
As always, you people are great! The common recommondation was replacing the battery. We use a jump pack and a plugged in battery charger, not at the same time, but it never started. Put the new battery in and it started right up. Thanks for the feedback ev...
2005 Jaguar XJ8 4.2L No Start, Stall, Misfire VIN: SAJWA79C15
This car is finally fixed. Thank you for all the replies, Timothy from Wisconsin hit the nail on the head! It was the coils after all. We ordered new coils and we could only get 6 at first, I put the 6 on the car and the fault was still there...this made me th...
2003 Mazda Tribute LX 3.0L abs module VIN: 4F2CZ94143
Thank You all that replied, Both brake hoses were colapsed. This one is fixed. I have done alot of brake work but have never had two hoses go bad at same time, Chuck
2001 Toyota 4Runner SR5 3.4L actuator VIN: JT3HN86R71
apparently it is impossible to reclock encoders on toyota t/case past 2000 due to home being uner spring load wich you cannot achieve while shaft still in case ,customer opted for used t/case .installed & burning gas . thanks
2006 Volkswagen Jetta 2.5 2.5L No Start, Cuts out, Stall VIN: 3VWRF31K06
Well we ran a new power wire from the fuse to the fuel pump, and drove it for a week and the fuse did not blow. There must be a short to ground somewhere on the wire but we never found anything. So we are calling this one fixed. Thanks for the replies.
2006 Volkswagen Jetta 2.5 2.5L Poor Idle Quality, MIL Lamp on VIN: 3VWRF31K06
Well we fixed it, the culprit was the evap purge valve! It would intermittently not seal and cause a vaccum leak, that depending how many fuel vapours were in the tank would throw our fuel trims out. This is what was causing the throttle plate to move, it was ... Trouble codes: P0507.
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