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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for December 10, 2013
International Automotive Technicians' Network (iATN) - Members Only
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Open Help Requests for All Makes and Models
Help Request Answers
2005 Acura MDX Touring 3.5L starting vehicle VIN: 2HNYD18875
The vehicle is experincing an extended cranking. The extended cranking is most likely to occur after the vehicle is warmed up and has been sitting for about an hour or two - example when the customer goes into church when they leave the vehicle experinces a ve...
2006 Acura TL 3.2L electric window VIN: 19UUA66286
Need some help from a Acura specialist. When using drivers side master window switch or passenger front switch for passenger front window on auto, the window goes up about half way then goes down. When not using the auto selection of switch either side the win...
2004 BMW 745Li 4.4L Poor Idle Quality VIN: WBAGN63424
Good Afternoon, We just completed valve cover gaskets on this 745li. Performed all steps according to manuals. Performed removal procedure for servo solenoid with scan tool Completed job and reinstalled them along with performing install procedure using sc... Trouble codes: 27BC, 2732 (nw intake control bank 2)
1987 Chevrolet V10 Custom Deluxe 5.7L Stall, VIN: 1GCEV14K5H
Customer complaint of intermittent stall or dying when trying to pull out after releasing clutch pedal. It will occur worse when engine gets hot and trying to pull out off idle. I have confirmed this happening during roadtest of vehicle 3 times and have notice...
1998 Chevrolet Cavalier 2.2L Unknown VIN: 1G1JC1249W
car runs rough. tested compression 200, 145, 150, 125psi. Removed the egr and blocked off, still ran rough. replaced the plugs, wires, ignition mod, coils no change. Checked timing it was dead on. ran car on a different fuel source had no change. Tested for a ...
2006 Chevrolet Impala LT 3.9L Poor Idle Quality, Surge, Misfire, MIL Lamp on
Vehicle came in with ABS/trac light on and CEL. Vehicle had an engine noise, sounded like a ticking/knocking from B1 under valve cover area. Also found waterpump and crossover gaskets were leaking but no sign of overheating. Passes block test for head gasket l... Trouble codes: P0300, P0011, P0016
2009 Chevrolet Traverse LS 3.6L Mechanical VIN: 1GNEV13D99
This vehicle was towed here with an internal transmission failure. Engine ran fine but the transmission went out. We quoted them a Jasper and got the job. During the transmission replacement, while turning the engine over by hand to remove the torque converter...
2010 Chevrolet Aveo LS 1.6L Starting VIN: KL1TD5DEXA
Customer state vehicle does not crank over intermittently, more frequently during cold weather. Once it start up for the day vehicle will start normally until the next day. This is our second day with the vehicle. Vehicle came off the truck with a no start/no ...
2001 Chrysler Town & Country Limited 3.8L Blower Motor VIN: 2C8GT64L11
We have this 01 Town and Country that needs a blower motor.Everything I have read says it can be done WITHOUT pulling the unit out of the van.I have removed the 4 bottom screws and the top one in the front of the case(as you face it) from the lower air intake ...
2004 Chrysler PT Cruiser Limited 2.4L overheat VIN: 3C8FY68814
Hello, This PT has been overheating and the customer has been adding coolant. We have pressure tested it and bled the cooling system. Did a block test, bubbles were seen while doing multiple block tests but fluid remains blue. We have driven it and it has neve...
1999 Dodge Ram 1500 Laramie 5.2L ignition switch VIN: 1B7HF16Y9X
In dire need of some Dodge tech help!!! ok so i have had this truck at my shop for about a month now and its becoming a curse. Initially the truck came in with a no bus issue no problem seen it before, ended up being a short in the primary 5v ref line, i fixed...
2002 Dodge Dakota 4.7L Hesitation
any help is appreciated thanks in advance. this truck came in with p1391 loss of cam or crank signal and the vehicle cuts out intermittently. the code sets right away even when running good. I have intstalled both oe cam and crank sensors with no help the scan... Trouble codes: P1391
2011 Dodge Durango Crew 3.6L fuel pump VIN: 1D4RD4GG0B
This vehicle came in from Auction, the battery would not hold a charge, when we first received it we could jump it and get it to stay running and the alternator would show ample charge. We put the recommended battery replacement in the vehicle and now the vehi...
2002 Ford F-250 Super Duty Lariat 5.4L Stall VIN: 1FTNW21L82
first when testing had No fuel pressure no pulse or spark unless I grounded terminal at CJB next day has Fuel pressure but no injector pulse or spark yet have good wave form from crank sensor tested powers and grounds at Pcm 5 volts at TPS and 12 at Injectors ... Trouble codes: U1262 (ignition key circuit error), U1952 (b1352-), B1352 (b1318-), B1318 (testing and results)
2008 Ford F-450 Super Duty Lariat 6.4L Mechanical VIN: 1FTXW43R48
Hey all, got a question for the power stroke techs. Got this truck in doing several routine maintenance items. During our inspection after the road test noticed that the engine has a internal squeak intermittently inside the right hand valve cover. We have dec...
2008 Ford F-150 XLT 4.6L No Start VIN: 1FTRW14W08
Hello everyone, I have a problem with this truck at my shop and need some help diagnosing it. The customer brought it in after he washed the motor. The truck woudn't start after he washed it. I checked for injector and spark and noticed no injector pulse. I c...
2009 Ford Ranger FX4 4.0L Alternator VIN: 1FTZR45E39
Battery lamp on when running. Alternator has no output.3 wire connector is red, violet ,grey. None of these have ignition or BCM controlled power? If I apply 12.5 battery to red terminal output up to 14.9 volts. Is there a fusible link or fuse for alternator? ...
2001 GMC Sierra 1500 SL 5.3L Sensors Or Hubs VIN: 1GTEK19T01
This vehicle came in with a complaint of low speed ABS activation. I road tested truck to confirm complaint & checked for codes. No current or history codes in memory. Performed TSB cleaning procedure & road tested truck. ABS light came on with first stop. Che...
2004 GMC Savana 3500 6.0L Trac Control VIN: 1GJHG39U14
Greetings. This van has had an intemittant fault in the abs/etc/esc system which up until now only the owner experienced. When accelerating lightly from a stop if you let up on the throttle and then applied it again quickly the trac control would kick in and ...
2000 Honda CR-V SE 2.0L No Start, Stall VIN: JHLRD1876Y
Have a intermittant stall then crank no start when hot. After about 10 minute cool down will start. Limited on schematics right now, so unable to trace loss down. Thinking ignition switch or main relay? No spark present and limited, faint or not at all noid ac...
2002 Honda Odyssey EX 3.5L No Start VIN: 2HKRL186X2
thanks in advance for help. we have a 2002 honda odessy that has an intermittent no start, when this happens fuel pressure is 55 psi, has good spark and injector pulse.it drags like the timing is off, we have checked timing marks and all are good. problem seem... Trouble codes: P0131
2002 Jeep Grand Cherokee Laredo 4.0L MIL Lamp on VIN: 1J4GW48S82
Called IDFix line, not a lot of help, this is very intermittent, code sets when below 20 deg, cold soak start, O2's have to drop below 3.0V in 75 sec. O2's are below 3V in 10 sec, swinging in 18 sec, downstreams swinging in 30 sec. Don't know what else to chec... Trouble codes: P0135, P0155 (O2 Sensor B2s1 HEATER)
2008 Kia Spectra5 SX 2.0L cam timing VIN: KNAFE16198
I just replaced the head gasket and timing belt on this Kia and now its throwing a P0016 code. I've double checked the timing belt for correct timing and that is ok. My question is on the cam timing. The intake sprocket has a dot on it but the exhaust sprocket...
2005 Land Rover LR3 SE 4.4L coolant fan VIN: SALAA25425
Trying to get this vehicle smogged. DTC po695 will not clear out. Checked fuses, swapped relay, and fan appears to be operating. Has a fan clutch and electrical connector. Any help would be appreciated. Im thinking the entire electric fan unit bad?
2003 Lincoln Aviator 4.6L Rear Heat VIN: 5LMEU78H43
Thinking maybe a water pump - took for long drive - vehicle does not overheat like i would expect with a bad water pump anybody seen this before? thanks in advance
1999 Mercedes-Benz C230 Kompressor 2.3L shifter VIN: WDBHA24G2X
After curing a bearing sound (insulation rubbing on front driveshaft joint) I sprayed the linkage to loosen a stiff feel in the shifter. The shifter will work freely now through P-R-N-D, but will not move left from D to get to the (electronic) 3-2-1 positions....
2002 Mercedes-Benz C320 3.2L key off draw VIN: WDBRH64JX2
Vehicle was dropped off after the owner had to jump it. I charged & tested battery & charging system- both ok. Vehicle has a 1.2A draw even after allowing time for the computers to go asleep. Through research on IATN I unplugged both seat modules & the draw ev...
1998 Mercury Grand Marquis LS 4.6L air suspension VIN: 2MEFM75W7W
This car came in with the air springs deflated and the power door locks inoperative. The air suspension module will not go into self test. This system has the DLC in the trunk. The power and ground inputs to the module are good. I jumped the solenoids and comp...
2007 Nissan Titan XE 5.6L tpms light VIN: 1N6AA06B67
Hello and thank you in advance for any help in resolving this issue. I have had this truck in and out of the shop several times trying to get this light off. See testing history. The air pressure has been checked and rechecked in all the tires (spare included)...
2008 Nissan Altima S 2.5L engine VIN: 1N4AL21E58
Ok Here it is. Have an 08 Altima with what sounds like a valve train noise. Several techs here thought it was timing chain noise related. So, the timing cover was pulled and found some wear but nothing that jumped out at us. All timing components were replaced...
1990 Oldsmobile 98 Regency 3.8L Column VIN: 1G3CX54CXL
i installed a used steering column in this car a number of months ago. The ignition cylinder started giving problems so i installed a new cylinder. Thats when every thing went down hill.about a month later,owner came in & said the wheel was sticking & making n...
1992 Oldsmobile Toronado Trofeo 3.8L Instrument Cluster VIN: 1G3EV13L2N
Hi everyone we have a 92 Olds. Tornado that has come in with the complaint of not lights on the dash. The light switch which contains the dimer was falling apart so we replaced it with a know good one. We took the instrument cluster out to see if the bulbs wer...
2008 Pontiac G6 3.5L Low Washer Fluid Level VIN: 1G2ZG57N28
I replaced the low washer fluid level sensor but the message center on the radio still says that the washer level is low. I checked both the ground wire at the connector and the voltage line going from the sensor to the fuse box and there is no broken wire. I ...
2008 Porsche Cayenne 3.6L Poor Idle Quality, Surge, Misfire, MIL Lamp on VIN: WP1AA29P18
In need of assistance. I've got this 2008 Cayenne V6 3.6 DFI with fault code P0674 (P12A2) fuel pressure sensor. I have replaced the tank pumps and filter due to one pump failing. Fault clears but returns. Starts up rough and sets misfire codes. I am using Dur... Trouble codes: P0674 (fuel pressure sensor- upper limit exceeded), P12A2
2006 Saab 9-3 2.0T 2.0L Cuts out VIN: YS3FD79Y96
Saab Tech, please help. We got a problem baby here. Car tow in yesterday. Customer complaint car may shut off after 10 minutes driving, and this happen 7 times during last one week. Car sometimes will restart right away and sometime have [...] wait 5 [...] 30 minute...
2007 Saturn Relay-1 3.9L No Heat VIN: 5GZDV53107
Vehicle came in with no heat at all, after replaced water pump & thermostat, heater works good at cruise. But no heat at idle. Also notice that 2 metal pipes along the front valve cover ( these pipes route to the heater core)turn cold when there is no heat. C...
2008 Saturn Sky Red Line 2.0L cylinder block VIN: 1G8MG35X38
We are waiting for the customer to decide if the vehicle will be repaired and by who but need to determine if our diagnosis is correct...
2008 Saturn Astra XR 1.8L Hesitation, MIL Lamp on VIN: W08AT67168
Customer complaint of CEL ever since we replaced cam phasers, actuators and timing belt approximately 30k ago. Customer states that vehicle ran better after that work was done than ever before, so he never brought it back for the CEL. He came back last week fi... Trouble codes: P0016 (CKP/CMP correlation fault / signal invalid intake camshaft)
2001 Toyota Avalon XL 3.0L battery VIN: 4T1BF28B01
Customer complaint is battery is dead after 2 days of sitting. Found parasitic draw of 260mA after sitting for more than 1 hour. Pulled DCC fuse and draw dropped to 38mA. This fuse feeds the radio, ECU-B and Dome fuses. Pulling one of those fuses at a time doe...
2005 Volkswagen Jetta 2.5 2.5L blows fuse VIN: 3VWSF71K95
This car came in with dome light inop, acc port inop and CEL on. Found fuse 15 blown for vehicle elec sys module, and fuse 25 for the acc port blown and codes P0456, P0571 and P0442. We replaced the fuse 15 and it keeps blowing, replaced fuse 25 and the acc po...
2005 Volkswagen Jetta 2.5 2.5L Hesitation, Cuts out, Misfire VIN: 3VWRF71K05
i usally dont work on V W but this is a older lady thats kinda down on her luck o im trying to help her out. The car has a miss in it idle and driving at steady speed it will run good as long as u are acclarting the only code that keeps poping up is 18711. All... Trouble codes: 18711 (leak in air intake system p2279 not a plauseable signal intermitet)
2002 Volvo V70 X/C 2.4L No Start VIN: YV1SZ58D72
Hello everyone and thanks for the help on this one. This turbo 2.4 Volvo intermittently won't start. Sometimes it won't crank over at all...battery fully charged etc. I try it a few times and then it will crank. Sometimes it cranks but will not fire off. I ha...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
1994 BMW 325i 2.5L Door window drop VIN: WBABJ5329R
All the replies mention the dome light coming on when opening the door. On this early model it has a microswitch in the upper drivers door handle that triggers the dome light, and that is why I had the question. You lift the drivers handle just so lightly an...
2008 BMW 528i 3.0L turn signals VIN: WBANU53558
Customer picked up car and has yet to return. Plan to recommend a combination switch. Still not sure if the new unit would need programming. Thanks for the responses.
1998 Chevrolet K1500 Silverado 5.7L Excessive Emissions, Surge, Cuts out, Stall, Misfire, MIL Lamp on
A huge Thank You to everyone who took the time out of your day to reply to this. After much thought I opted to install a new Bosch fuel pump. This fixed the issue. The Bosch is putting out 63psi consistently and the truck is back to its owner and running gr...
1999 Chrysler LHS 3.5L Stall, Monitors reset VIN: 2C3HC56G6X
1996 Ford Crown Victoria 4.6L MIL Lamp on VIN: 2FALP73W9T
The fix for this vehicle was the egr tube. it was too small to view with a bore scope or flashlight, but the orifice in between each nipple for the DPFE must have been missing, blown out etc.To all that responded thank you for your time. To most of you take no... Trouble codes: P0401.
1998 Ford F800 8.3L All exterior lighting VIN: 1FDXN80E7W
Thank you everyone for the help! I finally got back to looking at this truck yesterday. With the correct wiring diagrams in hand, I was able to chase the correct wire. There were 16 black/yellow wires and I was originally following the wrong one. Ended up bein...
2003 Ford Focus SE 2.3L Hesitation VIN: 1FAFP34Z63
Upon closer inspection, we found chafed wiring under the back seat near the fuel pump driver module. We fixed it and all is well. Thanks, Ron Trouble codes: P1235 (Fuel pump driver module out of range).
2012 Ford Expedition EL King Ranch 5.4L Tire pressure light VIN: 1FMJK1H56C
So I got it sorted had to replace Front Left tire pressure sensor, I figured since it wasn't beeping once on the FL I should replace it first, then tried again and all went ok. Thanks to Jim [...] as the procedure worked to the letter. Thanks everyone else ...
2003 GMC Safari 4.3L battery VIN: 1GDDM19X43
Thanks for the immediate responses guys, great input... Some customers are a little tougher than others, had to get this thing out... Anyway it turns out I had a burn to a second lead to the starter where the alternator feed comes in (inline fuse). That's why ...
2003 GMC Safari 4.3L battery VIN: 1GDDM19X43
Thanks for the help guys... in desperation I mistakenly posted twice, sorry. Anyway it turns out that the culprit was a burn to an inline fuse lead to the starter where the alternator feed comes in. That's why when I disconnected the alternator feed the draw ...
2007 GMC Acadia SLT 3.6L MIL Lamp on VIN: 1GKER33727
Well I would like to thank everyone for replying to my help request. This vehicle really ate my lunch for a few days and I am happy to say that it is now fixed with the help from all of you. I should have put in the description of testing that I had tested th... Trouble codes: P0171, P0174.
1999 Honda Accord EX 2.3L MIL Lamp on VIN: 1HGCG3256X
HI there and thanks for the help on this one. This vehicle did not get fixed because we found that the oil pressure would, in fact, drop out after driving and the PCM would inhibit Vtech operation. As I was advised, running the car with a light hooked to the... Trouble codes: P1259 (Vtec system fault).
2001 Honda CR-V EX 2.0L clutch VIN: JHLRD1761S
Thanks to all. We replaced the slave cylinder and that corrected the problem. Thanks and Happy Holiday's
2008 Infiniti G35 Sport 3.5L trunk switch VIN: JNKBV61E68
In terms of the trunk, somehow during the reassembly process, the trunk switch had failed; installed a new one and trunk worked fine. As far as the clock illumination, customer had blamed us stating before accident the clocked worked fine, while looking for hi...
2001 Jeep Grand Cherokee Laredo 4.7L No 2-3 3-4 Shift VIN: 1J4GW48NX1
thanks to all who replied. went ahead with a used unit and everything works as it should. thanks again for all the info and support.
2001 Jeep Cherokee Sport 4.0L Misfire VIN: 1J4FF48S61
I removed the cam sensor and found no damage, I went farther and removed the cam sensor drive and also found no damage to the drive or the camshaft, I then removed the valve cover to check the valvetrain, all rockers move the same amount and none of the valves... Trouble codes: P0305 (Misfire Cyl 5), P3013, P0300 (Random Multiple Cyl Misfire).
2006 Land Rover LR3 SE 4.4L special functions VIN: SALAD25476
There were several hits about needing to be re-programmed by a dealer unit. We sent to dealer and it turned out to be a bad transfer case control unit. The dealer said a warped cowling let water drip onto control unit and caused the failure. The failure was...
2006 Land Rover LR3 SE 4.4L Stall, MIL Lamp on VIN: SALAD25496
Thanks guys the fix ended up being cleaning the dirty throttle body. Road tested extensively after.Idle fluctuation and reduced power messages are now gone. Will also replace air filter with quality unit. Thanks to all who replied. On our Mazda units the dirty... Trouble codes: P0101.
2007 Mazda 3 i 2.0L MIL Lamp on VIN: JM1BK32F97
2007 Mazda CX-7 Touring 2.3L Poor Idle Quality, Hesitation, Misfire
After flushing the the injectors vehicle ran perfect till left overnight and cylinder two dropped out again. We are quite confident it is an injector issue coupled with carbon deposits. However the condition of the turbo charger makes it hard to justify sinkin... Trouble codes: P0300 (Random missfire).
2007 Mini Cooper 1.6L Mechanical VIN: WMWMF33547
Customer is happy with the repair as is. We preplaced the oil filter stand gasket and car haven't leak for customer to complain about. We has notice some oil in the back of the cylinder head but was not sure what it was.. Advise the customer to clean it off an...
2001 Nissan Pathfinder LE 3.5L Battery VIN: JN8DR09Y41
Thanks to all who responded to this request. Most were like me and thinking the alt was bad. The actual problem was in the relay box by the battery. Tim had sent in a reply to make sure the voltage drop test is done with load on. I had not done this, only ...
1995 Pontiac Firebird Formula 5.7L Excessive Emissions VIN: 2G2FV22P3S
I want to thanks to all that respond to my post. But , the first thing I have to do is Apolize for my lack of info, in the post. I should done a few thing before posting. This car has Edelbrooks exh. header , there is CARB EO NUMBER 215, & Model number...
2003 Saab 9-3 SE 2.0L clutch VIN: YS3FB45563
I apologize for the delay on this fix, customer had gone on vacation and I needed his approval on replacing master cylinder. So I finally did and bled it with vaccume pump. That was the fix to my problem. I'd like thank evryone that help with your replies.Tha...
2000 Toyota Avalon XL 3.0L Center Multi Display Unit VIN: 4T1BF28B1Y
Thank You Guy from Ohio U are right on the ball after at least sitting for an hour the multi display timed out to 25mamp and everything is ok now. I believe the main issue was miss communication with customer and service writer and multiple techs working on t...
2007 Toyota Tacoma 4.0L immobilizer VIN: 5TELU42N77
Thanks For all who helped, this truck is fixed. After removing the auto start I reprogrammed the key on this truck and it starts and runs now.
2006 Volkswagen Jetta TDI 1.9L Surge, Misfire VIN: 3VWST71KX6
To all who replied, again, thank you, the turbo was actually frozen, I was able to break it loose just by my finger, then it tried to kick in on a road test. Customer found a shop that will install a used turbo, good luck to them both on that. Actual mileage i... Trouble codes: 00066.
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