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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for May 9, 2014
International Automotive Technicians' Network (iATN) - Members Only
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Open Help Requests for All Makes and Models
Help Request Answers
1998 Audi A6 2.8L Trans limp mode VIN: WAUAA24B7W
Transmission (5HP-19) was replaced by us with one from a junk yard. The vehicle sat outside for a while waiting for parts/funds for repairs. After trans was replaced, fluid and filter changed and level checked to be correct at operating temp. We received a cod...
2000 Audi A8 Quattro 4.2L starter VIN: WAUFL54D4Y
hi guys: I have an Audi A8 of 2000. Last November came in no start. Had a broken starter. Came back last week and the new starter is broken the same way. The bottom bolt of the starter seems that I could use a pin but there was non in the original. The flywhee...
2003 BMW 525i 2.5L Ecm VIN: WBADT43443
Scan pulls code p0313 multipal misfire, low fuel. No info on tech line or mitchel and identafix. What is the cause and correction ?
2007 Buick Rendezvous CXL 3.5L battery light cruise control VIN: 3G5DA03L87
battery light comes on when accelerating. If cruise is on it will knock it off.
1993 Chevrolet K1500 Silverado 5.7L timing
I set the base timing to 0btc. connected the computer wire and the timing mark jumps to about 1 inch above the timing tab and the truck buck jumps when you are at low rpm speed is any where from 35 to 55 mph and let off the accelerator and then ez back on it. ...
2003 Chevrolet Express 3500 6.0L Cuts out, Stall VIN: 1GCHG39UX3
Thanks in advance for your help.this 6.0 wont idle iac counts are 310.it is always 50-200 rpms below desired rpms.replaced throttle bodywith dealer reman(it comes with iac and tps)this one has a throttle cable.no change. Replaced pcm.no change.tested and pulle...
2002 Chrysler Concorde Limited 3.5L 2-4 clutch
2-4 clutches burned. Vehicle would lose forward gears after 1-2 shift attempt. Not finding any cause to the 2-4 clutch failure after tear down. Are there any common causes to a 2-4 clutch failure? Valve body? Trans has good line pressure.
2008 Chrysler Sebring Touring 2.7L sat.radio VIN: 1C3LC55R88
So IATN has always been a great source of info for me. This problem may be too rare. What I have is this 08 convertable with low mileage in great shape. mygig radio display states module failure when switched to sat. code set is b1430. tests are as follows rep...
1994 Dodge Ram 2500 5.9L Poor Idle Quality, Hesitation, Cuts out, Stall, Misfire VIN: 1B7KF26Z3R
This truck is giving me a fight. Im a volkswagen/audi guy by trade but upon opening my shop this week i decided to work on anything that will keep food on the table. So back story on this truck is it came in with a misfire because of 2 dead cylinders on the dr...
2002 Dodge Ram 1500 ST 4.7L Unknown VIN: 1D7HA18N62
Stalls below 1000 rpm after 1-2 minutes. Runs rough before it stalls. When first started, runs normal. No codes, cam-crank in sync, all readings are normal, 20 inches of vacuum, changed intake gaskets twice thinking we had a vacuum leak, removed harness to che...
1999 Ford F-350 Super Duty Lariat 7.3L Ignition system or injection sytem VIN: 1FTWW32F5X
This vehicle came in for a cutting out condition while driving down the road. Test drove truck and will cut out but never dies. Feels like turning off ignition switch for a split second. Can get it to duplicate in service bay if RPM is brought up to 1500 to 20...
2003 Ford E-350 5.4L Poor Idle Quality VIN: 1FTSE34LX3
Vehicle over heated, replaced radiator. Idle at 1600 rpm in park, replaced IAC, same high Idle condition. Remove TPS connector Idle to normal at 650-700. Replaced TPS sensor but same High IDLE,no adjustment for throttle plate. Not sure why it have not lower to...
2004 Ford F-250 Super Duty Harley-Davidson Edition 6.0L No Start, Hesitation, Cuts out, Stall VIN: 1FTNW21P84
This car came in on the hook for a no start. Waited untill the morning and checked had a long crank time and it sounded like it wanted to start. Looked at icp desired and actual and it was 1100 psi on both. As I was cranking and looking at ficm voltage the tru...
2004 Ford F-250 Super Duty Harley-Davidson Edition 6.0L Misfire VIN: 1FTNW21P74
This truck runs perfect until you decelerate using the gears to slow down, (automatic tranny manually down shifting, decel revs up to 3000 rpm) Then when you get to the stop light it it misses bad. (Feels like one cylinder) Once it continues to miss for the wh... Trouble codes: P0278
2007 Ford F-150 XLT 5.4L Misfire VIN: 1FTPW14V37
Howdy IANT folks. Got this 5.4L 3 valve motor in this 07 F150 4WD pickemup truck. The problem is #1 cylinder misses badly. The customer is an electrical engineer, whom was a part of the team that designed the first computerized injection system for ford. So it...
2007 Ford F-350 Super Duty XLT 6.0L MIL Lamp on VIN: 1FDWW37P87
I have a reoccuring check engine light for code P0299 (turbo under boost). Code resurfaces after about 200 miles of driving, with no customer complaint of loss of engine peformance. EGR valve was replaced last month with the intake plenum being cleaned with se... Trouble codes: P0299 (turbo under boost), P1408 (EGR flow out of range), P0404 (EGR performance)
2010 Ford F-150 FX4 5.4L tpms VIN: 1FTFW1EV7A
We did a Smart Junction Box Module install for another shop and programmed it per Alldata. At first we had a tire pressure monitor fault on the display because the SJB was not programmed. After the programming and remote lock setup and relearned the tires we a...
1999 GMC Sonoma SLE 4.3L No Start VIN: 1GTCT19W4X
Customer complained that truck would stall while driving and would eventually restart. Sometimes in a few minutes and sometimes it would take hours. Eventually it would not start at all. This is a no crank no start issue. Vehicle was then towed to me. When key... Trouble codes: P0336, P0339
2004 GMC Yukon XL 1500 Denali 6.0L Shuts down ABS and Stability control VIN: 1GKFK66U94
I have a Code C0279 in traction control. Truck stops good and has a good brake pedal. Code appears as soon as the truck hits about seven mph (initialization speed). I can turn on ABS pump with my scan tool. No PCM or EBCM have been replaced and I'm the only on...
2007 GMC Sierra 1500 WT 5.3L transmission or transfer case VIN: 3GTEK13M17
Customers brought this truck to us saying it feels like it goes into Neutral sometimes.. Very erratically. It has done it a total of 4 times to them in about a month so far. I have had the vehicle for the past week and I have put over 1500 miles on it myself a...
2011 GMC Sierra 2500 HD SLE 6.6L MIL Lamp on VIN: 1GT120C84B
Service diesel exhaust fuild limited 55mph. No codes in ecm or gpcm help!!! replaced def tank due to reluctant heater code. Code has not returned sense.
1996 Honda Civic DX 1.6L ?rotary air control valve VIN: 2HGEJ6342T
Quite suddenly two days ago this car began to surge severely when engine reached normal operating temperature (previously it had performed flawlessly.) Car idles normally when engine is cold; however, once it reaches normal operating temperature it begins to s...
2003 Honda Civic LX 1.7L compressor VIN: 1HGES16543
the compressor will not turn on due too relay not being grounded by pcm. I can groung e18 red wire at pcm and compressor will turn on. Scanner indicates no a/c command.I grounded blue wire at pressure switch and compressuor will run so I replaced thermal switc...
2009 Honda CR-V LX 2.4L Power Steering VIN: JHLRE48389
Vehicle came back, with noise just as loud. Removed drive belt, noise ceases., confirming drive component issue. Lot of air in power steering system. Replaced pump again, with up-dated (green) o-ring at pump. Used honda power steering fluid. Got all air out. N...
2004 Infiniti G35 3.5L driver door window VIN: JNKCV54E84
Infinity techs help me please. A few months back this Infinity came it with the driver side window stuck about half way down, we diagnosed it and replace the regulator and motor (cable wound up inside and burned motor). I did do the reset procedure on the wind...
1994 Isuzu NPR 5.7L Mechanical VIN: 4KLB4B1A4R
First of all thanks for any help up front. This I hope is a simple request. I need some real good pictures of the engine compartment to remind me of where everything is and what is missing on this truck. I only work on about 6 or 7 of these and its only about ...
2005 Jeep Wrangler Rubicon 4.0L No Start
towed in no start. no signal to starter. checked ignition switch clutch switch, asd fuel pump relays are all ok. no crank. jumped starter and engine turns over but not start. have cummmunication but no crank.checked all fuses and grounds. everything checks goo...
2001 Land Rover Discovery Series II SE 4.0L Cooling system presure VIN: SALTW124X1
Hi fellow techs world wide! I am submitting this for a neighboring business that is considering joining this incredible team. Original complaint: Tow in due to massive external coolant leak on left rear head. Replaced both head gaskets. Sleeves all seemed good...
2007 Mazda CX-7 Touring 2.3L turbocharger VIN: JM3ER29317
After complaint of smoke from exhaust at idle, I began researching bulletins on alldata and searching internet for info... I have seen where Mazda sells a "vent kit" for up-dating breather system, including replacing newly configured valve cover and several br...
2001 Mercedes-Benz CLK320 3.2L Engine VIN: WDBLK65G41
Ok I have this car that came in with codes P0170, P0173, P0304, P0305 ,P0300 So i began to check for vacuum leak, found some and fix them and smoke check again and egr leaks but not sure if this is the same like the rest of the other egr's but when idling no v...
2005 Nissan Maxima SL 3.5L engine VIN: 1N4BA41E95
guys i need help. this car was at another shop where it came for no start. engine died while driving.that shop said it had low compression and changed the engine. it ran great. then it died on them too. they changed cmps and ckp.nothing. they changed the compu...
2007 Nissan Altima S 2.5L Mechanical VIN: 1N4AL21E67
Hello everyone, I have a dilemma on my hands! Serviced my customers Altima approx. 1 mo ago. Three days after the oil change she was going on vacation an the oil filter started leaking an now the engine is locked up! Had it towed too Nissan dealer, I personall...
2001 Oldsmobile Silhouette Premiere 3.4L No Start VIN: 1GHDX23EX1
this van was towed in with no spark. another shop had installed a ign module for the same no spark.engine ran only one day.i lab scoped crank 7x and 24x signals good.i have no spark but do have injector pulse.power and ground at module good.pulled coils from m...
2000 Saab 9-3 SE 2.0L Interior VIN: YS3DF55K6Y
Hi, I'm having a problem with the audio system in this car. Right now I'm heading negative in progress. Owner has replaced head unit and amp twice each. Last situation was that stereo works intermittently and can be triggered to work by jiggling steering whee...
2011 Toyota Prius 1.8L a/c VIN: JTDKN3DU9B
Car came in with complaint of A/C blows hot. System operating good now. 39 degree's out of vent. Has a Code B1475 which is cooling fan operation. I'm able to cycle fans with Modus at this point in time, so with it apparently being intermittent, was hoping some...
2002 Volkswagen Beetle GLX 1.8L Cuts out, above 65mph warm VIN: 3VWDD21C22
Howdy - need help with a pair of 1.8 turbo beetles 02 & 03 and wouldn't ya know it both belong too my kids so dad's not the hero right now. Like to find something on at least 1 of them so i can fix the other. Both cars shut down for just a second at hwy speeds...
2010 Volvo C70 T5 2.5L MIL Lamp on VIN: YV1672MC3A
Car runs good, MIL is intermittent. We know we have a bad sensor. Question one is it looks like it is held in by a Torx screw right with not a lot of room to get it out. Can it be done in place with a magic Torx wrench or do we need to remove the intake manifo... Trouble codes: P2178 (Long term fuel trim load bank 1 21ad), P0089 (Fuel pressure 2900), P0191 (Fuel pressure sensor 2800)

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2006 BMW 330i 3.0L clock VIN: WBAVB33556
Sorry for the long delay the customer was away on business and just brought the car in.There were several suggestions to replace the battery I tested the battery with both cables disconnected and it had more cca than it was rated for one suggestion was a bad I...
2004 Cadillac DeVille DHS 4.6L Poor Idle Quality, Surge, Cuts out, Stall VIN: 1G6KE57Y54
sadly we were not able to fix this beast... after checking and triple checking all grounds, couldnt find any bad ones but decided to add an additional ground cable from the trans bell housing to the frame just because we could out of desperation... did repla... Trouble codes: P0102 (Mass Air Flow MAF Sensor Circuit Low Frequency), P0107 (Manifold Absolute Pressure/Barometric Pressure Circuit Low Input), P0121 (Throttle Position Sensor 1 Performance), P1107 (MAP Sensor Circuit Intermittent Low Voltage).
1994 Chevrolet S10 Blazer Tahoe 4.3L First gear VIN: 1GNDT13W1R
Thanks so much to all that replied!It was mentioned that the complete electronic version of this trans. began in 1995. This is a late 94 ,so perhaps that is the reason it has this trans.Many times it was mentioned the problems caused by improper pan removal....
1999 Chevrolet Astro 4.3L mil VIN: 1GNDM19WXX
On the gear ratio in 3rd I saw 1.3 to 1. I did get it to pass inspection and reported to owner what I found. I can see in, when it's in 3rd that slip stays at 60 rpms or lower so I feel it's a converter problem. Owner will drive it like this for now.
2004 Chevrolet Trailblazer LS 4.2L Starting VIN: 1GNDT13S34
thank all of you guys the problem was the body control the flex part from the fuse box to the body control so we replace the part truck started up thank you guys again
2004 Chevrolet Aveo 1.6L No Start VIN: KL1TD52694
well this one is fixed. the whole injector pulse thing threw me for a loop but i started by checking the 5v ref at the map sensor and i had 5v. so i replaced the map sensor, i know that wasn't my starting problem but it was bad so i changed it while i was ther... Trouble codes: P2610 (Control module ignition off timer performance).
2001 Dodge Dakota 3.9L Hesitation, Stall VIN: 1B7GL22X11
Sorry for the long delay. Customer had other car to drive. This ones for sale. Today i just got back to it and what i found was that some other shop had it apart for what i don't know. They had the firing order correct but the fuel sync was off(cam sensor). Th...
2001 Dodge Grand Caravan ES 3.8L Radio, Windows, Wipers, Both Blower Motors VIN: 2B8GP54L91
I am calling this one fixed. Glenn got it right. I did try just bypassing circuit T751 by cutting at switch and IPM and running a new wire but it acted up right away. The Ignition switch was only $25 and easy to replace so in it went, been about a week now get...
2003 Dodge Ram 1500 Laramie 5.7L MIL Lamp on VIN: 1D7HU18D63
well thank you to all of you the took time to read my post and give some ideas. this one is fix, install new PCM and now the problem is gone, I was confuse because when I did that components test I could hear the solenoid open and close, but when I test the vo... Trouble codes: P0443.
2009 Dodge Ram 1500 ST 3.7L buss VIN: 1D3HB16K99
2008 Ford F-150 Lariat 5.4L brake pedal VIN: 1FTPW14V78
thanks for all the help everyone! we did see the the front hoses swelling especially the right front so we changed them both,the pedal did get alot better but still fading. we also measured the brake pressure at all four wheels the fronts where at 300psi koeo ...
1991 Honda Civic DX 1.5L transmission VIN: 2HGED6350M
I will accept the unanimous opinion of the technicians who submitted a reply was that I should buy and install the used Honda transmission from Foreign Engines Inc.,because it has probably been driven only 50,000 miles as the seller stated. I want to especiall...
1996 Honda Civic DX 1.6L steering VIN: 2HGEJ6342T
I am grateful for the comments I received but I don't believe we have diagnosed the problem of intermittent play in the steering. Several techs suggested the manual steering rack may be slipping but there is no evidence the rack was sliding inside the rubber b...
2005 Hyundai Tucson LX 2.7L Poor Idle Quality, Stall, Misfire, MIL Lamp on VIN: KM8JM72D75
Thank you all for your valuable time. After checking CTS and Crk Sensor wiring I followed the suggestion of many of you and did a decarbon. I also put a can of seafoam in fuel tank. Seems to have helped a lot but she did report one rough idle almost stall inci... Trouble codes: P0306 (6 misfire).
1991 Mercedes-Benz 420SEL 4.2L ignition ? VIN: WDBCA35E9M
thanks for all the tips, I have replaced the ovp relay and the fuel pump relay, car starts much quicker, runs much better and smoother, and knock on wood, has not stalled out as of yet. really appreciate al the great input. thanks again, Dan
1997 Nissan Altima GLE 2.4L No Start VIN: 1N4BU31D1V
Hi and thanks very much for your help and time. This junck is gone, running of course. In my post I explained that, no matter why I did to the harness trying to duplicate the short, it was impossible to produce another short, except that I was doing it to the ... Trouble codes: N0, C00DE, N0.
2006 Nissan Xterra X 4.0L Master Cylinder VIN: 5N1AN08W36
Replaced front and rear brake pads with Nissan O.E. Found front caliper slide pins had seized. Corrected issue with all new parts. Problem has cleared. Thank you everyone for your time and input.
2001 Oldsmobile Aurora 3.5L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1G3GR64H51
After checking everything (injector resistance, injector pressure drop, spark plugs, compression, cylinder leakdown, fuel pressure and leakdown) I resorted to swapping coil packs (this car is direct ignition like a Saab) in and out and had the miss move from... Trouble codes: P0300.
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