× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for November 6, 2013
International Automotive Technicians' Network (iATN) - Members Only
(Also Available: All, Asian, Chrysler, European, Ford, GM.)
Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder.

Open Help Requests for All Makes and Models
Help Request Answers
2007 BMW M6 5.0L convertible VIN: WBSEK93567
Need some help from the Bavarian techs out there. This car came in 4 months ago with a inop conv. top and no windows working. I found that one of the front latches was not latched fully and manually latched it. Cycled the top several times and all was well. No...
1999 Chevrolet Silverado 2500 6.0L starter VIN: 1GCGK29U1X
This seems to be right under my nose and I cant find it. Customer complaint is slow crank. Engine turnes over very slow, but starts. Tow/Haul mode comes on when started. All known grounds have been cleaned/tested ok. Customer replaced the starter with GM part....
2005 Chevrolet Silverado 3500 6.6L No Start, Cuts out VIN: 1GBJC34255
vehicle got towed in for engine running rough and then shut off when driver came to idle. found cylinders 2 and 8 misfire in history codes. tested all injectors from ficm and found them all the same at .5ohms, performed light test and all injectors keep the li...
2001 Chrysler Town & Country Limited 3.8L skim/keys VIN: 2C8GP64L31
This all started back in july,when this van was towed in after an attempted theft and a damaged steering column. I replaced the ignition lock cylinder housing (lock cylinder was saved) and skim module, programmed the skim with a drb 111 and all was good. A cou...
2007 Chrysler 300 Limited 3.5L engine VIN: 1C3H9E3D07
need wiring diagram for complete immobilizer system,layout of all relays an fuses to check an c y no communication to engine module
1992 Dodge Dakota 5.2L No Start VIN: 1B7GL23Y4N
Have a no start condition, bad PCM - only 4 volts to the crank and cam sensors instead of 8. Good power and grounds. Question I have is does this older PCM need to be reprogrammed or will it run without it?
2002 Ford Excursion Limited 6.8L driveline VIN: 1FMNU43S32
This Excursion(aka F250)has a driveline shudder/vibration driving high speeds on hwy. Smooth as glass 50-60. Above that, it starts to shudder. You would swear it has a bad U-joint. It has a double cardan U-joint at transfer case. After replacing noisy diff. be...
2003 Ford E-450 Super Duty Custom 7.3L long crank VIN: 1FDXE45F93
This one got handed to me after much work done, but this is what I know. Original complaint was no start hot, but it didn't start easily cold either, long crank. New, from Ford HPOP, IPR, ICP sensor. Fresh oil, full, engine oil pressure is good and builds righ...
2003 Ford Focus LX 2.0L Readiness VIN: 1FAFP33P43
Basically this Focus will not set any of the readiness monitors. Specifically: O2 heater, O2, catalyst, EGR and EVAP. The customer has been driving the vehicle for a few months. And it's been about 5 days since he took it for an emissions test and found that n...
2003 Ford F-150 XLT 4.6L Excessive Emissions, Misfire, MIL Lamp on VIN: 1FTRW08613
Hi Guys and Girls have this ford pickup came in for emissions inspection and also the mil was on when it arrived. The owner had it checked in another shop and did not succeed. I checked it out and found codes...PO171 and PO175. On The Right bank the [...]... Trouble codes: P0175
2004 Ford E-450 Super Duty 6.8L MIL Lamp on, Stumble VIN: 1FDXE45S84
Replace Spark plugs. Test Ckp sensor tested ok has 340ohms, also tested ckp wires they have .5homs both positive n negative circuit. The Engine still stumble on acceleration. vaccum readings is 17"hg of vac. Trouble codes: P0320 (Ignition/distrubiton speed engine circuit malfunction)
2004 Ford Excursion Eddie Bauer 6.0L Poor Idle Quality VIN: 1FMSU45P64
This issue has me stumped. Shortly after changing all eight injectors the customer complained of a slight rough idle when waiting at a stop light. With the IDS we can see cylinders 4-5-6 dipping down slightly with the engine warm and in gear. Codes for 4 and 5... Trouble codes: P0272 (Cylinder 4 Contribution/Balance), P0275 (Cylinder 5 Contribution/Balance)
2004 Ford F-350 Super Duty Lariat 6.0L No Start VIN: 1FTSX31P24
vehicle came in no start, turns over good, found about 12 codes ficm cpi, 4 injectors. found connector no good behind turbo, replaced wire and sensor. unplugged cpi still no start. found ficm wires all fraid, replaced wire harness , no still wont start , canno...
2006 Ford F-250 Super Duty XLT 5.4L shifts VIN: 1FTSX21556
Vehicle came in in the Summer with transmission DTC P0758 SSPC-B failed to provide voltage drop, after testing wireing, connectors, & solenoid we determined internal trans prob. overhauled, intermediate clutches were in bad shape, not much else. When we first...
2006 Ford F-150 XL 5.4L Mechanical
I am trying to determine what the cause of the engine vibration this truck has. I'm convinced this truck does not have a misfire after many hours of being misled. After all my checking, I realized that this is not a miss but a running vibration. At idle in par...
2007 Ford Explorer Sport Trac XLT 4.6L MIL Lamp on, Tpms fault VIN: 1FMEU51877
Car brought in from a used car lot with codes below plus this GEM specific code: U0155-lost comm with IC module; original complaint: dash lights on, ie, MIL, TPMS, BRAKE, etc. followed diagnostic flow chart for U0155, led me to bad GEM. Replaced GEM, tried ... Trouble codes: B1687 (dome light short to B), U0140 (Lost comm with BCM), U1900 (in IC module CAN comm fault receive error), U1900 (in IC module CAN comm fault receive error), U1900 (in IC module CAN comm fault receive error), U1900 (in IC module CAN comm fault receive error)
2010 Ford F-150 FX4 5.4L cuts out VIN: 1FTFX1EV5A
tough one- customer complains of intermittent stalling. truck had stored codes for all injector circuits open. (p0201-p0208). also p025a fuel pump module open, u0109 lost comm to fuel module, p0690 pcm power relay sens circuit high. cleared codes and truck sto...
2010 Ford F-150 FX4 5.4L D/S Blend Door VIN: 1FTFW1EVXA
This one happens to be my personal truck. It has the automatic dual climate controls. It started out as the pass side blend door becoming inop, stuck on one temp. and would not move. Pulled code for p/s blend door circuit malfunction, well being my personal tr...
2012 Ford Focus SE 2.0L pats VIN: 1FAHP3F20C
hi everyone. just want to thank everyone in advance for their time. i got a a real weird scenario here. i have an intermittent no crank. it is a security issue the pats is disabling crank and fuel. i have three codes that are reoccurring. two of them are uo100...
2000 Honda Accord EX 2.3L door locks VIN: JHMCG6688Y
Sorry but Honda is not my cup of tea. a friend of the boss has this thing. we did a 95k service and was asked to fix his door lock situation. at first the door locks did not work with the switches or remote. we replaced drivers door lock actuator. now the driv...
2010 Kia Soul Sport 2.0L MIL Lamp on VIN: KNDJT2A26A
[...] 1 replaced. Checked for exhaust and intake leaks...none found. Checked wiring with ohm meter..all good. checked fuel pressure...within spec. Was told by customer they hit a pot hole and 2 hours after the light came on. They had it at the dealer who r... Trouble codes: P0133 (P0133 O2 Sensor Circuit Slow Response Bank 1 / Sensor 1), P0420 (Catalyst System Efficiency below Threshold Bank 1)
1998 Mazda 626 DX 2.0L Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, Misfire, Poor Fuel Economy, MIL Lamp on VIN: 1YVGF22C5W
This car is one of my personal cars. Driving at the rate of 30mph last Sunday evening shifting from second gear into 3Rd gear the engine fell on its face like it lost two cylinders. And it was all I could do to keep it running to limp home as my five years old... Trouble codes: P0340 (cam shaft sensor bank one generic)
2006 Mazda 6 i 2.3L Unknown VIN: 1YVHP80C26
Car towed in with dead battery & no crank signal , the weird thing about it is all the lights stays on the dash after you take the key out , scan the entire car and found a lots U & B codes, clear memory & try to start it wont start, I disconnect the battery &...
2008 Mazda CX-7 Grand Touring 2.3L Poor Idle Quality, Misfire VIN: JM3TB29L28
thanks ahead of time for any input on this car! Originally came in as a wait and found 2 codes, p0401 and p0303. I noticed no skip on a road test Replaced egr valve and solved p0401. The code p0303 came back in 25 miles. At the time,I couldn't duplicate a skip... Trouble codes: P0303
2001 Mercedes-Benz E320 3.2L esp abs bas VIN: WDBJH65J91
Hello and thank you for taking time to read this post. Cust. vehicle came in with complaint of abs, bas and esp on message center. I proceeded to scan for codes and found steering angle sensor short. I proceeded to access the data and found no input or angle o...
2007 Mini Cooper 1.6L Mechanical VIN: WMWMF33547
Vehicle has several oil leak on this vehicle the obvious one is at the oil filter housing stand gasket. Vehicle has moisture at rear of cylinder head right below the intake above the water pump pipe. It look like a breather hose that goes from crankcase to int...
2007 Porsche Cayman S 3.4L tpms VIN: WP0AB29847
Car was in a slight fender bender since then the TPMS display reads system learning, I have scanned computer and no codes but did find 2 TPMS sensors were at zero battery life the left front and right rear the others were at 8 and 10 months, replaced both Sens...
2007 Saab 9-5 2.3t 2.3L Cuts out VIN: YS3ED49G17
Can't see why these codes are setting, but my main concern is a message in the message center that reads,"Theft protection failure contact service". Only twice has the car cut out on hard acceleration but started easy. I don't have a Tech 2 or a Saab scan tool... Trouble codes: P1251 (Throttle body), P1261 (testing and results)
2007 Subaru Legacy 2.5i Limited 2.5L Cooling System/Heater Core VIN: 4S3BL62677
We recently purchased this Legacy for resale and it needed head gaskets due to external leakage, no overheating symptoms. On initial test drive there was a slight rushing water sound through the heater core, the coolant was low due to leakage so we suspected t...
1994 Toyota Pickup DLX 2.4L engine VIN: 4TARN01P2R
i have this rattling noise at light throttle or when i press clutch to switch gears. not as noticeable when under load also mention that guides were plastic
2000 Volkswagen Jetta GLS 2.8L Coolant Fans VIN: 3VWSE29M5Y
Hello vw gurus.this one is working my brain.car came in with complaint of low cranking and dead battery and fans on continuosly. Piece of cake right?-fans drainig the battery! ck thermal fan control switck ok, a/c swicth control ok, cant get any data for fans ...
2003 Volkswagen Passat GLX 2.8L engine VIN: WVWRH63B03
Car came in with timing belt broken and bent valves. Got used engine with 91K pulled timing belt covers belt was Vw and looked new and water pump looked new. crank tdc and cam devises looked level and big holes were both on inside. Installed with new intakes s...
2008 Volkswagen Beetle SE 2.5L Whole Car VIN: 3VWRG31YX8
Help!!! this beetle came into us with an electrical bug. Customer complaint is complete power loss-no lights no guages no start etc after a drive to grocery store. She explains after sitting for 10-15 mins car magically has power again starts it up and drives ...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
1995 Chevrolet C3500 5.7L clutch VIN: 1GBJC34K3S
This truck turned out to be an embarrassment. I had the guy pull the trans out and told him to leave it. I had someone push the clutch pedal to watch. I could see the pressure plate flex all over and the disc not release. Pulled the bell housing to find that h...
1996 Chevrolet S10 LS 4.3L No Start VIN: 1GCCS19W7T
1999 Chevrolet Blazer 4.3L Misfire VIN: 1GNDT13W9X
Cracked cap and replaced rotor. IATN is the best and always comes to the resque! Trouble codes: P0300.
2001 Chrysler Town & Country EX 3.8L pci bus VIN: 2C8GP74L51
thanks to everyone but the custome dont want expensive more and took his truck I thank all those who helped me, thank you very much
2002 Chrysler PT Cruiser Touring 2.4L No Start, MIL Lamp on VIN: 3C4FY58B92
Special Thanks to everyone that responded every one sounded very informed and professional with your comment First off yes this is a fix with a new computer.. Larry, Peter, Robert [...] and Steven: Its good to know we all plug in the cam/coil plug , I on... Trouble codes: P0340.
2000 Dodge Durango R/T 5.9L Governor VIN: 1B4HS28Z3Y
Thank You for the replies. The governor pressure solenoid did indeed fix the problem as the replies said it would. For those of you trying to diagnose this problem, a 100 psi gauge (your oil pressure gauge will work fine) with a hose extension, hooked...
2004 Ford Freestar SES 3.9L reverse VIN: 2FMZA57694
water was the problem. there was no water in the connector so I blew right past this. pulled the pcm and you literally could pour water out (only about 1/4 cup).replaced the pcm and the problem is gone. thanks to all that responded.
2006 Ford E-250 4.6L Mechanical VIN: 1FTNE24W56
man came in this week & i cleaned the throttle body like most of you said and it's fixed this time it wasn't coused by me replacing the alternator as my customer said. so thanks for your help.
2008 Ford Fusion SE 3.0L p1639 VIN: 3FAHP07128
Thanks to everyone that offer help ! I made a mistake in my post ,this was not a reman. PCM ,I did try to program as a built as and as a new . The customer furnished the pcm and I understood it to be reman. it wasn't ,it was a wrecking yard pcm ! Customer de...
2010 Ford Crown Victoria Police Interceptor 4.6L No Start VIN: 2FABP7BV1A
Thanks for all the feed back went back double checked all connection ,grounds,resistance on wires to and from pcm to module to pump. went and ordered a pcm and programed it car startted right up, just didn't want to throw parts at it. Trouble codes: P1235 (koeo self test / fuel pump control out of range).
1996 GMC C1500 Sierra SL 5.7L r p m VIN: 2GTEC19R5T
well it is fixed and out the door. a lot of great response to this problem. Robert from florida helped alot with his sugestion of blocking off the intake to the throttle, it did stop the engine. We couldn't stop chasing our tails. after we found the sucked in ...
2006 GMC Envoy Denali 5.3L no fire VIN: 1GKET63M26
ignition ground hooked up but was not grounded. thanks for your help
1991 Honda Civic DX 1.5L front end noise VIN: 2HGED6350M
The problem is wear in the fifth gear. Given the age of the vehicle and the fact that I only drive it in town I have decided to simply drive it in 4th until it fails completely can not be driven further. Thanks to everyone who responded.
2000 Jaguar XK8 4.0L MIL Lamp on VIN: SAJJA42C4Y
I want to thank all the members who gave there advise on this issue I just fixed the car after the customer took the vehicle and returned it to us when the parts came in we replaced the drivers side convertor and reset the light and the customer has driven ove... Trouble codes: P0430.
2006 Jeep Liberty Sport 3.7L chassis? VIN: 1J4GL48K96
removed front drive shaft vibration was still present removed the rear shaft found binding ujoint in rear drive shaft
2001 Kia Sephia LS 1.8L brake padle VIN: KNAFB12121
thanks everyone for your time. I appreciated vey much. I replaced rear wheel cylinders bleed system still was same no difference. replace used booster with master and resavoir came with bleed system brake paddle was fine. I think resavoir was issue. thanks aga...
2008 Kia Sedona EX 3.8L Vehicle
Well, I had to let this one go. The customer didn't seem very impressed with the remaining vibration though I was dissatisfied. My gut is telling me a factory axle may have fixed this but the price was too high to risk. I will likely never get the chance to se...
1997 Land Rover Discovery SD 4.0L steering VIN: SALJY1249V
thanks for all the help on this rover.we tightend the pre-load on the swivel pins,replaced steering damper with a old man emu heavy duty.death wobble seems to be gone.fish scale does a good job setting the pre-load.thanks again.
2005 Lincoln Aviator 4.6L Abs VIN: 5LMEU68H55
Thanks to all who responded!! I did catch the left wheel speed sensor Dropping slightly while problem was occurring. As suggested by Mike [...] quoted them replacing both front hub assy and sensors. They declined the repairs for now... but i believe they will let ...
1994 Mazda RX-7 1.3L fuel system VIN: JM1FD333XR
both injectors where leaking at tips and one was leaking past o-rings. also leaking fuel through fuel pressure regulator. thanks for all the helpful information.
2006 Mercedes-Benz SL500 5.0L charging ports VIN: WDBSK75F36
Thanks for everyones time and responses. It turns out mercedez does offer the valve cores for the charging ports, but more expenseive than service port from napa. The Napa part numbers are 409575 and 409574, sorry i did not keep the boxes separtated to share ...
2000 Mitsubishi Montero Sport ES 3.0L Hesitation VIN: JA4LS21HXY
I appreciate the help that I received but have not found the fix as of this closing. The pcm will not leave from 5 degrees base timing. I have several Mitsubishi techs who have been in the business for many years who have never run into this. I am closing this...
1989 Toyota Pickup SR5 3.0L Surge VIN: JT4VN93G8K
Thanks everyone for the help. Cannot get this vehicle back to my shop for another 2 weeks. General consensus seem to point to the air intake duct, so that's where I'll be looking. Thanks all again.
1997 Toyota Land Cruiser 4.5L oil pump drive gear
Thank You Grant, your info was very helpful. We called the company you suggested, they had the brg we needed (as well as a tool to instal). They recognized a need and are having them made, and selling them worldwide, so ours is not the only problem. We'll b...
2002 Toyota Sienna LE 3.0L electric door motor VIN: 4T3ZF13C32
put a different used unit in and a computer and now works great
Prev (Also Available: All, Asian, Chrysler, European, Ford, GM.) Next