× 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 December 17, 2012
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
2001 BMW X5 4.4i 4.4L no crank VIN: WBAFB33521
Need help BMW experts out there, this X5 4.4 is not cranking with the key.So far my findings reveal that the transmission doesn't know in wich gear it is. No codes on the EWS, and it shows on the data starter motor blocked due to P/N.on the trans computer I'm ...
2006 BMW 650i 4.8L Poor Idle Quality, Misfire, MIL Lamp on VIN: WBAEK13476
We replaced engine due to blue smoke from bad valve seals (updated valve covers & pvc system already replaced - still blue smoke). 1rst used engine installed would not start and had several camshaft / crankshaft correlation & vanos codes - we swapped vanos and... Trouble codes: 2F71, 2A8E, 2A83, 2A8A
2006 BMW 325i 3.0L on start VIN: WBAVB13526
and solenoid and find out slug build up on top engine really bad due to not changing oil on time so clean the slug and replace valve cover gasket and replace both vanos sololonid and now when we start the car and make rattling noise on top of the engine but wh...
2006 BMW M5 5.0L SMG Transmission VIN: WBSNB93546
All SMG fault codes Stuck in 2nd gear and car will not start. 4F42 Hydraulic control unit: Activation frequency, pressure build-up. 4F82 engage 1/R gear not possible. 4F43 Hydraulic unit: ON period. 4F40 hydraulic unit: undershooting of pressure range. ...
2007 BMW X5 4.8i 4.8L steering VIN: 4USFE83567
The customer got a sudden center section message of "power steering malfunction" or something like that. We retrieved a code from the ARS of 0252. This vehicle has variable assist, as well as variable steering ratio. The customer is concerned, but not alarmed....
2008 BMW X3 3.0si 3.0L Stall VIN: WBXPC93498
Hello BMW Techs This car is back with the same codes and symptoms as before replacing the Valvetronic Motor(actuator)! The symptom is in the AM when it's cold out and the car sits outside, the car takes a few cracks to fire and then it will start and die a cou... Trouble codes: 2A39, 2A38, 2A37, 2A47
1997 Cadillac DeVille d'Elegance 4.6L power seat VIN: 1G6KE52Y8V
good morning all-first help post so be gentle.I have inherited a 97 deville d'elegance with inoperative drivers seat-lumbar works.I have good powers and grounds to relay module under seat.The wiring diagram i have shows the switch on door provides path to grou...
2007 Cadillac DTS 4.6L Driver Info Center VIN: 1G6KD57YX7
Vehicle displays "Service Park Assist" in DIC. Scanning with VerusPro shows no codes as per TSB #08-08-127-001A. Also, unplugging harness/sensors does not set any codes. All modules were checked for codes, starting with the Body Control Module. However, could ...
1996 Chevrolet C2500 Silverado 6.5L No Start, MIL Lamp on
hey guys working on my personal pickup here, started acting up a couple of weeks ago with an intermittent no start always when warmed up. shortly after that i got a po231 code low lift pump feed back voltage. so i replaced the lift pump as it was old anyway, a... Trouble codes: P0231
2002 Chevrolet Trailblazer LT 4.2L No Start VIN: 1GND513S92
2002 Chevrolet Trailblazer LS 4.2L Cluster, Starter By: Jeff AndonianDec 17, 2012 9:15:03 AM in GM Electrical Ok have this trailblaizer. In the morning when you turn the key nothing no dash lights no gauges work and wont crank its like a dead battery. Hook up...
2003 Chevrolet Silverado 3500 8.1L Sticking throttle VIN: 1GCJK33GX3
Brought in for "sticking throttle"!When the pedal is applyed over 1/2 throttle then realeased to 0 throttle(foot off compleatly)vehical still accelerates for appoxmetly 5-8sec befor slowing down!!will also shift 2 to 3 gears during this time!!APP readings 1 an...
2004 Chevrolet Silverado 3500 LS 6.6L Excessive Emissions, Low power VIN: 1GBJK34284
Hi All, Got a 2004 Chevrolet 1 ton thats giving me fits. Low power, excessive smoke (black). no programmers, aftermarket performance products of any kind on this truck. Ya get out on the road, and step on it (just normal takeoff) nooo power, hold it all the wa... Trouble codes: P0101 (MAF Circuit Out of Range)
2006 Chevrolet Impala LT 3.5L No Start VIN: 2G1WT55K16
This car came in originally with a harsh shift condition. Only has 98k miles on the car. So first thing i wanted to try was reprogram the TCM with my tech 2. The programming would get to 80% and fail. So i replaced the TCM and tried to program the new one and ...
1995 Chrysler Cirrus LX 2.5L Stall VIN: 1C3EJ56H2S
This is my daughters car - she's at school a couple hours away. Read through the archives and I think I have a PCM problem but would like some input from the collective wisdom here as Driveability isnt my strong suit. 102K on it - got it from her grandmother w... Trouble codes: 12 (Battery power disconnect from ECM)
2003 Chrysler Town & Country LXi 3.8L Sliding Door VIN: 2C4GP54L63
Greetings fellow techs, Got a 03 Chrysler Town and Country Van that's making me pull what little hair I left. Came in a month or so ago with customer complaint of a randoming opening passenger sliding side door. Did finally get it to do it in the shop and most...
2004 Chrysler Pacifica 3.5L Excessive Emissions, Poor Idle Quality, Surge, Poor Fuel Economy, MIL Lamp on VIN: 2C8GF68424
Rns ok driving after sitting at idle for a few , starts running rich , We had R&R upper intake and inspected for injectors dripping . Trouble codes: P0135
2005 Chrysler Town & Country Limited 3.3L door locks VIN: 1C4GP45R25
After I had this thing flashed it lasted about 2 months and they came back with same problem. At that time the driver slider lock was intermittently working so I replaced that and cleared the code and they were good for another 2 months or so. The codes I am g...
1999 Ford F-350 Super Duty Lariat 7.3L No Start VIN: 1FTWW33F5X
This truck will not start easily cold, as in freezing temperatures...unless the block heater is plugged in. When cranking raw fuel from exhaust large clouds of white smoke and it romps one time...eventually it will start after leaving key on for approximately ...
2000 Ford F-150 Lariat 5.4L Excessive Emissions, Poor Idle Quality, Poor Fuel Economy VIN: 1FTRX17L9Y
Need some input on this one. The truck has no codes, but I can generate o2 heater circuit codes when o2's are unpluged. Maf code when maf is unplugged. The problem I have is when the vehicle is running the o2 voltages stay on 0 and the fuel trims stay on 0. If...
2000 Ford Focus LX 2.0L Speedo,MAF,INJ,Radio VIN: 1FAFP33P4Y
This vehicle had a rear brake service and power steering line replacement, after complete the vehicle had a misfire and erratic speedometer. We've used the scope and found a voltage drop that last appox. 1/2 a second. When the voltage drop occurs the misfire o...
2001 Ford F-150 King Ranch 4.6L 3-4 shift VIN: 1FTRW08W11
the problem i am having with this transmisson is that when it goes to shift into overdrive the rpms flare and then it goes into gear and stays in gear fine. it does it about 90% of the time and seems worse when your heavy on the throttle like getting up to hig...
2002 Ford Ranger XL 2.3L Charging VIN: 1FTYR10D32
At times the vehicle overcharges to above 14.50 volts customer state pegs charging gauge. Has had three alternators installed all seem to do it at times. Have checked terminals all tight.
2003 Ford F-550 Super Duty XL 6.0L No Start, Cuts out, Stall VIN: 1FDAF57P13
this truck is running out of fuel as in will run 15-20 seconds and then die, the fuel filter housing on the top of engine is empty when dies, fill the bowl up and will start and die. the regulator has been replaced, fuel pump has been replaced, fuel lines have...
2003 Ford Explorer XLT 4.0L Excessive Emissions, Poor Idle Quality, Misfire, MIL Lamp on VIN: 1FM2472K13
vehicle came in for engine light on and misfire, scan codes found P0303, spark pugs new,wires new, coil new,. check all those just to make sure nothing was installed incorrectly, verified injector pulse. Checked resistance and it was at the maximum so we repla... Trouble codes: P0303
2006 Ford Ranger XL 2.3L MIL Lamp on
Vehicle run ok engine light come on after a ten minute drive highway with P0300 P0301 P0302 P0304 and P0316 idle good runs good no misfire data avaliable Customer told me the engine light flash on him at one point but never felt a misfire wonder if the coil is...
2006 Ford Escape XLS 2.3L Oil VIN: 1FMYU02Z66
This escapes 2.3l engine blows oil out of the dipstick tube where it goes into the oil pan, only when the vehicle is driven under load. I believe it is blow by because the whole underside of the hood is soaked with oil too, the customer said the oil change pla...
2009 Ford F-150 XLT 4.6L Cuts out, Stall VIN: 1FTRF12W09
Hello Ford wizards, this truck is driving me nuts. About four weeks ago this nightmare pulled into my lot. It had its CEL on and the owner said he was afraid to let his wife drive it because it would out of the blue just plain out stall and if you were in the ... Trouble codes: P0150 (Sensor circut bank 2 sen. 1), P025A, P0297 (Vehicle over speed condition), P0690 (ECM / PCM Power relay sensor circut high), P1000 (OBD systems readiness test not complete), U0109 (Lost communication with fuel pump control module)
2011 Ford F-250 Super Duty King Ranch 6.7L hvac VIN: 1FT7W2BT4B
Heater switches from floor defrost etc,but drivers side blows considerably colder air,truck does not have dual climate control.wondering if anybody has run into this problem.temp gauge is normal,good heat on pass. side
2008 GMC Acadia SLT 3.6L compressor VIN: 1GKER23738
Sorry in advance for such limited data but this is happening while driving from OH to FL. I'm driving my parents' vehicle and on this trip we have experienced this problem for the first time. Whenever you try to turn on the a/c by pushing the button, the indic...
2008 GMC Acadia SLT 3.6L Hesitation, Cuts out, Misfire, MIL Lamp on VIN: 1GKEV33798
customer called saying the vehicle has no power and hesitating. -drove home and the next day, it started up fine and drove here to the shop -the codes were stored in the history of ECM -drives fine, but seems to be intermittent -replaced water pump and thermos... Trouble codes: P0202 (cylinder 2 - injector circuit problem), P0204 (cylinder 4 - injector circuit problem), P0206 (cylinder 6 - injector circuit problem), P0300 (Engine misfire detected)
2001 Honda CR-V EX 2.0L Poor Idle Quality, Misfire, MIL Lamp on VIN: JHLRD18681
Honda techs PLEASE help. I got this job from another tech. he did a tune up for missfire codes. I now am dealing with it. It missfires @ idle speeds driving or higher rpm its ok! I did some research & found that the timing belt was replaced @ dealer @ 100k mil... Trouble codes: P1399, P0301, P0302, P0303, P0304
2002 Honda Accord LX 2.3L No Start VIN: 1HGCG665X2
Intermittent Issue Of No Start. Car Had Been Starting And Running Fine. One Morning, Cranks But No Start. Customer Called To Let Me Know And Then He Left On A Trip. Couple Of Days Later His Wife Calls And Said It Still Wouldn't Start. So, I Made Time To Go To ...
2001 Hyundai Santa Fe GLS 2.7L ecu relay VIN: KM8SC83DX1
veh came in bad coil pack killed drivers in ecu ,replaced coil and ecu.runs fine but when engine warms up veh wont turn off,replaced ecu again no effect traced problem to ground from ecu that closes mfi relay stays grounded when switch is off..it does it from ...
2003 Hyundai Elantra GLS 2.0L Poor Fuel Economy, MIL Lamp on VIN: KMHDN45D43
This code is a two trip code. I have checked the mechanical timing, checked the pins on tbe cam sensor connector for voltage and ground, all ok within specs. The middle wire on the cam sensor connector is the signal back to the ecu, that wire checks out good, ... Trouble codes: P0340
2003 Lexus LS430 4.3L MIL Lamp on VIN: JTHBN30F63
brought to me from dealer, they replaced sensor and no change. What happens is when on graph you se the sensor work then it goes flat line for a period of time then it may come back for a few frames then gone no ryhme or reason. I had lexus send me another sen... Trouble codes: P0051 (ho2s heater control circuit low b2s1)
2001 Mercedes-Benz ML320 3.2L No Crank,No Start VIN: WDC1631541
Hi friends !. Please help here. I am supporting a friend in another shop, they replaced engine with a second hand and after assembly everything, Vehicles does not crank, no Start.I searched the database, and found many same help request.I have valet key (no re...
2002 Mercedes-Benz ML320 3.2L EPS module VIN: 4JGAB54E82
This vehicle came from a friend's shop. He replaced esp module and hydraulic unit for MIL's on. After replacement, same problem existed and brought the car to my shop. Retrieved DTCs: c1200 from esp and c1025 from bas. Tested brake lamp switch circuit between ...
2000 Nissan Xterra SE 3.3L No Start, Cuts out, Stall VIN: 5N1ED28Y2Y
The vehicle came back today in a tow truck . Now there is no communication first , second when you turn the ignition off...most of the warning lights in the dash stay on even with the key off . the only way the warning lights go off is if I disconnect the ECM ...
2002 Nissan Xterra SE 3.3L MIL Lamp on VIN: 5N1ED28YX2
I have code p1456 small evap leak. I have smoked this vehicle and have seen no leaks. I replaced the close valve on the canister as I seen some of these leak.Also replaced the gas cap. I can see the pressure sensor change the sensor with smoke applied. I'm kin... Trouble codes: P1456
2005 Nissan Maxima SL 3.5L starter VIN: 1N4BA41E75
Hi everyone! Hope someone could help me out here... I have this nissan maxima that came in with a no start. Customer stated that he was driving and enging cut off, had power but would not start. He tried to jump start with tow truck driver but didn't help. Cus...
1997 Toyota Camry CE 2.2L Unknown VIN: JT2BG22K9V
went to the Bank shut car off and and when I came back I had a no start called for back up when help arrived I put the key back in the ignition the door was open and key chim sounded so I turned the key and it started right up my question is there a relay unde...
2001 Volkswagen Golf GLS 1.8L trans shift/fluid VIN: 9BWGD61J91
need help please from u v/w techs. car came in with complaint of trans not shifting when reaches operating temp.And at times does not shift after a stop ,seems to stay in 1st gear. I checked to verify correct fluid level as i noticed that trans is leaking some...
2007 Volvo S60 R 2.5L No Start, Stall VIN: YV1RH52757
The issue with the Volvo 2007 S-60R started with codes setting for the Throttle Body and various drivability issues. Codes set were ECM-921C and ECM-9200 as I recall. And the car would intermittently lose power and stall. Restart and the car would drive ok unt... Trouble codes: CEM1A, SUM03

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2006 Cadillac CTS 3.6L MIL Lamp on VIN: 1G6DP577X6
A new ECM fixed the problem with the ignition lock but the loss of communication codes were still setting. The problems were somewhat intermittent but more prevalent with movement of the vehicle. Given the loss of communication codes, I thought the class 2 s... Trouble codes: P0627, P1629, U1000, U1300.
1990 Chevrolet K2500 Cheyenne 5.7L No Start VIN: 1GCGK24K8L
1996 Chevrolet Tahoe LS 5.7L No Start VIN: 1GNEK13R8T
i figured out that if you pinch the return and your holding pressure then its definetly not the pump. I got a new pressure reg from the dealer this time and the truck is running good.
2002 Chevrolet Astro LS 4.3L No Start, Hesitation, Stall, Misfire, MIL Lamp on VIN: 1GNDM19X42
2004 Chevrolet Aveo 1.6L 4th gear VIN: KL1TD62684
Relearned the cranshaft sensor and thats what did it, thanks alot for your help.
2008 Chrysler Sebring Touring 2.7L Surge, Stall VIN: 1C3LC55R88
Thankyou all who responded to my request. As I said We have not been able to have the engine do anything wrong it has worked perfectly for us. Customer has pickup car and says he will bring it back when it acts up again. thanks again for your response.
2001 Dodge Ram 3500 5.9L Poor Idle Quality, Surge, Stall
Well I will start by saying that this truck is fixed but not by my hand. I have only seen the truck once and the symptom was not present and the customer did not return for a follow up appointment. I still feel a little sheepish on this one though. This one... Trouble codes: P0602 (ECM Fueling Calibration Error), P1689 (No Communication Between ECM and Injection Pump Module).
2005 Dodge Ram 1500 ST 5.7L MIL Lamp on VIN: 1D7HU18D65
Gilbert from Massachusetts nailed it right on the head, I pressurized exhaust and found some small leaks right before rear O2 sensor. Rear O2 had more activity and tended to stay on the lean side where the front O2 stayed rich with very little activity.That is... Trouble codes: P0420.
1997 Ford Ranger Splash 2.3L No Start, on 2nd drive cycle VIN: 1FTCR10A7V
Checked the wave pattern of the crank sensor. Quit working when got hot. Replaced Crank sensor. Works fine! Thank you.
2006 Ford E-250 5.4L Tss VIN: 1FTNE24L16
this vehicle is not fixed sorry it took so long to replay, thanks for all that took the time to respond. the customer did not want to spend any more money on fixing this and decided to put off the repairs for now.
2008 Ford Taurus SEL 3.5L running lean VIN: 1FAHP24W28
thamks for all the replys i ended up taking a fuel sample and found that the lady had put a full tank of e85 causing this problem shipped the car and told her to burn all the gas and add premium car has not returned Trouble codes: P0171, P0174.
2008 Ford Expedition XLT 5.4L Hvac VIN: 1FMFU16508
Thank you all for your help. Brian from Indiana was right on the money. I removed the mode door actuator and manually moved the door to the panel position. There was some resistance when placed in panel mode. Upon removal of the dash to gain access to the HVAC...
2003 GMC Yukon Denali 6.0L MIL Lamp on VIN: 1GKEK63U53
OK guys I'm going to pronounce this one as repaired. Actually had a couple problems. Had mentioned that the connector and wire harness leading into the throttle body had already been replaced. What I did is turned the key on and then went out and wiggled the h... Trouble codes: P0120, P2135 (Throttle Position Sensor 1-2 Correlation).
2006 Hyundai Accent GLS 1.6L Park Brake Indicator VIN: KMHCG35C36
This one is fixed. As I said in the help request the wiring diagram and the symptoms show clearly that the diode is blown open. The junction box is where Shopkey and Hyundai's information said it would be. I think there was some miscommunication in the shop...
2003 Jaguar X-Type 2.5L Recirculation door VIN: SAJEA51D23
Thanks to everyone who replied. Ronald and Dana provided the information I was looking for. Thanks for verifying that the shaft can't be purchased separately, and that the air intake housing is part of the whole HVAC assy. It's good to converse with someone w...
2000 Mercedes-Benz S430 4.3L Airmatic VIN: WDBNG70J4Y
The problem with inactive airmatic suspension was a bad air suspension control module located in the left underhood fusebox. I installed a known good module and finally, the airmatic pump kicked on. The list of faults disappeared. They were indeed false co...
1999 Mitsubishi Montero Sport Limited 3.5L headlights VIN: JA4MT41R7X
o.k guys i want to thank all of you for helping me sort this problem out. we found 2 problems a ground problem and an aftermarket alarm - remote starting system causing problems with windows and headlights.I want to thank duane from japan who had a very nice e...
2007 Nissan Armada SE 5.6L Hi Mount Stop Lamp VIN: 5N1BA08CX7
2005 Saab 9-3 Linear 2.0L Mechanical VIN: YS3FB49S65
Hey guys thanks for all the replies this ones fixed and out the door ended up being a crank sensor it had a crack in it was pushing oil into it never have seen this before thanks again
Prev (Also Available: All, Asian, Chrysler, European, Ford, GM.) Next