Join Now
International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for June 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 Audi A4 Quattro 3.2L Excessive Emissions VIN: WAUDH78E77
Dear Audi Friends, according to the Guided Fault Finding I have checked the Evap. Canister Purge Regulating Valve and couldn't find anything wrong. No, I have not pulled the Fuel injectors yet, because I don't believe a fuel injector is bad. It also says to c... Trouble codes: P1139 (Fuel Tirm Bank 2 - System to RICH)
1999 BMW 323i 2.5L Lighting
I have this BMW with a strange problem. When you pull the sun-visor down and turn the light on in the sun-visor it turns the radio of and makes the airbag light come on. It happen every time with the passengers side (right hand drive ) and most of the time wit...
2003 BMW 745Li 4.4L abs VIN: WBAGN63413
This, "thing", keeps setting a BMW code 5EFE, Pressure Sensor (offset). Two weeks ago I talked with a BMW guy and on his recommendation I replaced the Pressure Sensor on the back of the ABS assembly. Two weeks later it's back. I do appologize for the vague p...
2004 Buick Rainier CXL 4.2L Transfer Case VIN: 5GADT13S74
This vehicle came to us after the dealer threw their hands up on it. Problem is the transfer case will slowly go into AWD and stay there. The dealership replace the encoder motor sensor and reset the transfer case first. That lasted about 2 weeks, then it was ...
1999 Chevrolet Express 3500 5.7L No Start
I've got this 99 Express van that won't start and I can't figure out why. About 3 years ago I replaced the PCM(with a GM part)for multiple DTC's and running rough.The PCM was filled with power steering fluid from a leaking hydrobooster.Anyway I've checked fuel...
2000 Chevrolet C2500 5.7L No Start VIN: 1GCGC24R1Y
Thanks for taking a bit for my first post, i got a truck in for a no start and the guy had already been working on it. Towed in and already partially disassembled i checked fuel pressure manually and saw spark response out of a timing light but the pcm is comm...
2001 Chevrolet Silverado 2500 HD 8.1L Poor Fuel Economy VIN: 1GCHK23G31
i have a problem with this 8.1. now i know its not known for its fuel efficiency but the customer swears that it was getting between 11 or 12 mpg. now it is getting 5 to 6 mpg.i have drove this truck and scanned for everything, iam not seeing any problem.ive c...
2007 Chevrolet Avalanche LTZ 5.3L Poor Idle Quality VIN: 3GNEC12007
I need help with this avalanche.Acc.pedal sensor and new throttle body eo wre replaced to fix code p0121 throttle pedal position sensor ckt.I did the throttle relearned by I have a problem if the vehicle is in park or neutral and I snap the throttl... Trouble codes: P0121
2008 Chevrolet Equinox LTZ 3.4L Abs VIN: 2CNDL33F68
rear brakes appear to be locking up checked calipers, sliding pins, lines, brake fluid all seems OK not sure if the propotional modulator valve is the cause some info from service manual suggests replacement not sure how to proceed
2002 Chrysler Sebring LXi 2.7L Misfire VIN: 1C3EL55R22
This car had the engine rebuilt 13,000 miles ago. Recently the timing chain broke and was replaced under warranty and now it has a miss. This miss moves around from cylinder to cylinder. After 2 weeks of trying the shop gave up and returned the car with the mi...
2006 Chrysler 300 (Car) Touring 3.5L Poor Idle Quality, Misfire, MIL Lamp on VIN: 2C3KA53G26
we have the famous "ever since" problem here at the shop.this started out as a basic maintenace timing belt, dealer spark plugs, and water pump.a day later the vehicle came back with a po300 which is a random misfire. after looking at the data we noticed that ... Trouble codes: P0300
2008 Chrysler 300 (Car) LX 2.7L coolant fill chamber VIN: 2C3KA43R48
system still draws air and will push coolant out before overheating after the third or fourth op-temp cycle. This vehicle appears to be drawing air into the closed system. Negative for leakage, small piece of debris was discovered in the radiator (plastic and ...
2000 Daewoo Lanos S 1.5L P0751 Shift solonoid A Fault,
Transmission has been stripped, Clutch packs look ok, Valve body has not been touched yet, Clean as a whistle in the sump, Vehicle had code coming up P0751 Shift solonoid A fault, drove fine for couple of weeks then for no reason go into failsafe mode. (Not...
2001 Dodge Dakota Sport 4.7L No Start VIN: 1B7GG22N41
Today we have a 2001 dodge dakota that will not start. It has been here twice before for intermittent stalling and no start and both times the pcm was replaced. It seems to go out about every 4 months. Powers and grounds test good to pcm, but module won't oper...
2004 Dodge Ram 2500 Truck ST 5.9L upshift VIN: 3D7KU28C54
This truck came in two days ago stuck in 3rd gear, no upshift or down shift. desired pressure at 0 at stop and actual showed 53psi. lead to pressure control solenoid and sensor repalcement. Test drove and it was fixed. Truck went home approx. 50 miles later ba...
2003 Ford Escape XLT 3.0L Misfire VIN: 1FMYU03163
Just put used engine in vehicle it had a dead miss on 4 and 6 tried coils and plugs and checked compression on both cylinders everything ok coils are getting fire. Long term fuel trim on bank two is 25% and short term is 9% changed upper and lower intake gaske... Trouble codes: P0403
2006 Ford Freestar SE 3.9L no starter engage VIN: 2FMZA51606
Starter will not engage with key. Can crank starter at relay but has no injector Pulse, If ether is used it will start and run and dies after ether cleans out. tested antitheft and is working ok, Has good fuel pressure and no injector pulse...install a new fla...
2006 Ford Fusion SE 3.0L door lock,windows, VIN: 3FFAP08126
Hello all,I have a 2006 fusion that is kicking our tail. To start it's my best tech's wife's car. It doesnt get drove alot,maybe once a week. The smart junction box fuse # 3 (15 amp) will blow randomly. You could unplug the smart box and reconnect it and it wo...
2008 Ford Mustang GT 4.6L Poor Idle Quality, Hesitation, MIL Lamp on VIN: 1ZVHT82H28
This is our shop "trouble child". I think we have covered all the basics. Oil and filter were changed to ensure correct weight was used. We have verified cam timing marks and they are dead on. Have changed both VCT solenoids, both cam gear, phaser assemblies ... Trouble codes: P0012 (B1 camshaft over retarded), P0016 (CKP - CMP correllation error B1 sensor A)
2009 Ford Ranger FX4 4.0L Starts fine with auto starter VIN: 1FTZR45E89
Vehicle with start normal when started with factory install auto starter, Will have extended crank with key start. If key turned to run pos and wait it will start fine. Tried spare key and same results. Anyone experience this problem? if key is inserted and cu...
2004 Honda Civic Hybrid 1.3L Hesitation, Surge, Cuts out, Misfire, MIL Lamp on VIN: JHMES96554
hello techs, this 2004 honda civic hybrid has the 1.3 litre integrated motor assist (IMA). I retrieved the codes. P0300, p0301, p0302, p0303, p0304. When i drive it, it jumps and hops and binds. The best way to describe its symptom is if (i wide open throttl... Trouble codes: P0300, P0301, P0302, P0303, P0304
2003 Jeep Grand Cherokee Laredo 4.7L No Start, Stall VIN: 1J4GW48N73
All things point to a bad PCM, but the dealer tells me that Chrysler only sells one PCM a week in all of North America. Anyone have this issue before. I'm afraid to order an $800 PCM and be wrong. Any help from the Chrysler/Jeep wizards greatly appreciated. Trouble codes: P0340 (No CKP signal)
2006 Maserati Quattroporte Sport Gt 4.2L Interior, Safety and Accessories VIN: ZAMCE39A66
Working on a 2006 Quattroporte. I have no repair information. Diagrams, locations, wiring ect. Misc warnings on dash and fuses blown. Just looking for any information on where to find repair info for this vehicle as our alldata has none. Any help welcome. Than...
2007 Mazda 5 Sport 2.3L Ignition key
This car lost all the key.I try to reprogram a new key by SBB v33 key reprogrammer scan. I did get the code from immobiliser,but SBB programmer ask for the security code xxxx .I don't where to get this code from,I hope someone know it ,because this is my first...
1999 Oldsmobile Bravada 4.3L fuel injection VIN: 1GHDT13W7X
Hello IATN family. customer came to me and stated that after a two hour time period his truck would not start properly, it just cranked and cranked and finally would catch. we checked for spark, good, tested for fuel pressure, had 55 pounds and holding. so we ...
2001 Porsche Boxster Roadster S 3.2L MIL Lamp on VIN: WP0CB298X1
Hi gang, ok the short of it is the vacuum resevoir for the secondary air won't hold vacuum. my question is what's the best way to get it out (and in) It looks like there is a screw holding it on in the front. Using mirrors to check this. Any help would be grea... Trouble codes: P0410, P1411
2007 Saturn Aura XR 3.6L shifting VIN: 1G8ZV57747
vehicle came into the shop w/ the complaint of being sluggish. Scanned vehicle and revealed code po777 current. Test drove car to find that is acting as if it is in limp mode or stuck in 2nd gear. I'm finding out that there is not a trans available for the car...
2005 Subaru Outback i 2.5L Head Bolts VIN: 4S4BP61C65
Standard head job on this subaru, or at least I thought it was... Removed heads; needed valve job; Valve job performed, started reassembly with new head bolts (Think it's Victor-Reinz manufacturer) and immediately upon installation, center holes stripped out,...
1993 Toyota Land Cruiser 4.5L power VIN: JT3BJ81W7P
What is warm Idle Vacuum? I have a steady needle I'll post my standards when I see some others. Please don't post if you are guessing, professionals don't guess they consult.
2001 Toyota RAV4 2.0L Battery VIN: JTEHH20VX1
Customer brought vehicle in because the battery would intermittently die. It can go weeks with no problems, or only a couple days. It is not his primary vehicle, so it is normally parked in his garage and he does not arm the security system. We had the vehicle...
2005 Volkswagen Jetta 2.5 2.5L readiness monitors VIN: 3VWDF71KX5
Hi everyone, i got this jetta from another shop. Thought i would have a easy time of it, not so much. In short, this car failed state inspection. Repairs where made at other shop as stated above. The real issue is that the obd2 readiness shows only the ccm as ...
2008 Volkswagen Rabbit (Car) S 2.5L compressor? VIN: WVWDA71K58
This vehicle came in with a complaint of the a/c not cooling well. It is equipped with the variable pressure style Sanden compressor. I evacuated and recharged the system with the correct amount of R134a, with no change in cooling. After checking the system ov...
1998 Volvo V90 2.9L Hesitation VIN: YV1KW9602W
The customers complaint is car hesitates under acceleration. Most noticeable from a stop light. Seems to happen most often when just reaching operating temp from a cold or nearly cold start-up. Problem seems to be worse during hot weather. Doesn't set any code... Trouble codes: 440 (Evaporative system not working correctly)

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2002 Buick Century Custom 3.1L Hesitation, Surge VIN: 2G4WS52J02
Okay,this one is fixed and on it's way back to Kansas. Thanks for all the good info;it was a bad coil.The thing was that threw me was the lack of any misfire codes. I DO need a better scanner!
2003 Buick LeSabre Custom 3.8L Stall VIN: 1G4HP52K23
Thank you for all the replies. Apparently cleaning the ground by under the coil pack did the trick. I drove it nearly 15 miles country and city and the car ran like a charm. Why it was losing communication I'll never know. Btw, I'm not retiring, just getting ...
2007 Dodge Charger 2.7L o2 sensor VIN: 2B3KA43R87
recommended custermer take car to dealer for reflash. found tsb for p0420 p0430 codes. this code was addressed before the o2 slow response. then custermer game back for o2 didnt wont to spend the extra money at the time. would work for a month then reset the s...
1994 Ford Mustang SVT Cobra 5.0L Excessive Emissions, Poor Idle Quality, Surge VIN: 1FALP42D0R
Sorry did not close sooner, still have not gotten to the bottom of the adaptive numbers, but did find all four cats gutted. Masterfull job, heat shilds were removed, tops cut off guts pulled out air pump tube welded shut on the inside then rewelded and heat sh...
1999 Ford Taurus LX 3.0L pump
it turned out that it was the preassure line had a leak (very small at the rack side. I replaced the rack and found out when the new rack went in.
2002 Ford F-250 Super Duty Lariat 5.4L electric window, radio, dome light
I was not aware that the accessory delay relay was triggered by the instrument panel. The customer called me back this morning to tell me the IP wasn't working. Member suggested fix coincided with this behavior. I checked the IP fuse and there my problem was. ...
2003 Ford Explorer XLT 4.0L Misfire VIN: 1FMZU73KX3
2004 Ford Freestar SEL 4.2L Rear A/C VIN: 2FMZA522X4
2007 GMC Sierra 1500 SLT 6.0L No Start VIN: 2GTFK13Y87
Thanks for all the help. Dead BCM. We work on lots of GM vehicles and have had a bunch of dead batteries after being on the rack but this is the first that had the BCM fail as a result. Gonna be a little more careful in the future. Again, thanks to the IATN so... Trouble codes: U0140 (Lost communication with the BCM).
1996 Honda Accord LX 2.2L Compression VIN: 1HGCD5534T
Pulled head and brought to another machine shop found a bad valve on number 4 cylinder. the first machine shop i went to told me all valves were ok. but problem fixed
2002 Jeep Grand Cherokee Laredo 4.0L Misfire, MIL Lamp on VIN: 1J4GW48S82
This vehicle is fixed !! After researching how chrysler reads misfires I was inclined to pulled out the CKP sensor, I was going to replace it just to see if that would take care of the problem. Even though the pattern looked the same as the known good. When I ... Trouble codes: P0304 (Misfire 4).
2003 Jeep Grand Cherokee Laredo 4.0L Cooling Fan Motor VIN: 1J4GX4S63C
Well with much reluctants i hard wired the wires together and got rid of the connector. Also replaced the fan relay module as well. Found module to be bad after testing with the wires hard wired. So far everything is well. only time will tell. Thanks to all wh...
1980 Lincoln Mark VI 5.0L ball joint control arm VIN: 0Y90F66572
Thanks to all who helped solve this one. Timothy from Nevada suggested converting it back to the stamped style. We didn't do this, so i don't know how complicated that would be. Danny from Texas turned me on to Rare Parts in California. You can send them ...
2006 Mercedes-Benz CLS500 5.0L SBC module ? VIN: WDDDJ75X56
Thanks for the replies, everyone suggested we shove this to the dealer and let them deal with the liability. However, I test drove this Benz several times and got it to act up. Here's what was happening: when comming to a stop and the engine speed comes down t...
2005 Mini Cooper 1.6L air bag light VIN: WMWRF335X5
I was able to find a shop with autologic scan tool, they just had to do a reset. I have had very good luck with the maxidas for a secondary tool. Im am sure they will have update for this in future. Thank you for everyone that responded.
1996 Plymouth Voyager 3.0L wipers VIN: 2P4FP2531T
Thank you everyone I did some snooping under the battery cover, and sure enough the ground wire was snapped and was hanging from 3 strands of wire x.x Respliced a new terminal on to the end and regrounded. Solved
2002 Pontiac Montana 3.4L Cuts out, Stall VIN: 1GMDX03E72
Hi guys. Thank you all first off for the replies and for taking time to read this. The fix was a new AC delco TPS. I totally forgot about the other crank sensor on the side of the block between the engine and trans! Been awhile since I've worked on one of t...
2006 Saturn Vue 3.5L Electronic VIN: 5GZCZ53416
Hello to all sorry it took so long to closed this post broke bone in foot so have been out for awile. Well groung was the problem the forth gear switch was bad. Only thing I can think of is when I unpluged the sensor it pulled the term apart from inside the se...
2008 Saturn Astra XE 1.8L No Start VIN: W08AR67118
Ok, here's my story. Spent all day attempting to access any of the vehicle systems with [...] wouldn't work...I now know that is not true and the problem is in the Tech2W...
2008 Suzuki Swift+ 1.6L 1-2 shift
This cvt tranny is dead internal damage found at 80k how come well maintained cvt tranny goes dead at 80k so need a new tranny that`s all folks..!
2002 Toyota Camry SE 2.4L Reverse VIN: JTDBE32K92
Thanks too all who took the time to read and reply. I ended up replacing the transmission as I was confident the problem was internal. Paul, I did a double check on the air inlet tube between the MAF and the TB. It was in good shape. The fluid had no evidence...
2004 Toyota Camry LE 2.4L MIL Lamp on, No Communication
thanks for all the replies. the communication line was shorted through the air bag module. and the battery light was caused by the alternator. replaced air bag module and alternator all good now
2004 Toyota 4Runner Limited 4.7L Electronic VIN: JTEBT17R84
Thanks everyone for all of the help. Unfortunately I had gotten sick and was unable to finish with the vehicle and the customer couldn't wait until I came back. As soon as I get more info on this vehicle I will post the findings. Thanks again.
2008 Toyota Prius Touring 1.5L Unknown VIN: JTDKB20U98
well i wanna thank all who replied to my cry for help!! exspecaily dan,ben,and the last despret swing to solid ground re replaced the aux 12 volt battery and the light hasnt came back on!!so far so good!! we did test the battery with are midtronics gr8...
2009 Toyota Corolla S 1.8L Tpms system VIN: 2T1BU40E79
this car is fixed! I want to thank jerry [...] had to jump pin#13 and #4 on the obd2 connector for 2 minutes then I registered all tire sensors all is good it has been a week and no light!
Prev (Also Available: All, Asian, Chrysler, European, Ford, GM.) Next