Automotive Technicians Technical Discussion and Fixes for Jun 24, 2014

Join Now

Prev	Professional Automotive Repair Technical Discussions for June 24, 2014 International Automotive Technicians' Network (iATN) - Members Only	Next
(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
	1996 Audi A6 Quattro 2.8L MIL Lamp on VIN: WAUGA84A9T Hello fellow technicians. Here is quite the clam, A6 Quattro Sedan with the 2.8L SOHC AFC engine. The owner has it serviced here regularly and we do boat loads of work on it every year to keep it going. The elderly owner loves the car and wants it to keep it. ... Trouble codes: P0401 (16785/EGR System Insufficient Flow Detected), P0305 (Cylinder 5 Misfire)	View
	1995 BMW 525i 2.5L auxiliary fan VIN: WBAHD632XS Okay hope some of you bmw guys out there can help. I got a 1995 525i automatic. the customer came n with the a/c not working, and wanted it fixed. so I checked the system and filled it. it was a pound low on Freon. but the compressor was not coming on. so star...	View
	1993 Buick Roadmaster Limited 5.7L Unknown VIN: 1G4BT5371P Hello to all. I have this buick that keeps the wife's feet wet and she does not like it. This thing drips water on the passenger side floor. I have removed bottom of case and checked drain and must say it is the cleanest drain I have seen. I believe it is exce...	View
	2006 Buick Lucerne CXL 4.6L MIL Lamp on VIN: 1G4HR57Y16 Thanks to all in advance for your help. We have this Buick that came in with all kind of trouble codes the car runs fine now, but customer said tht car starting bucking and shacking real bad and then check engine light came on. we tried to scann the car and fo... Trouble codes: P0134 (Ho2s circuit insufficent bank 1), P0154 (bank2), P0141 (Secondary air injection incorrect air flow), P1133 (Ho2s insufficent switching), P1153 (Ho2s circuit open), U0101 (Lost conn with module tcm)	View
	2004 Cadillac CTS 3.6L MIL Lamp on VIN: 1G6DM57704 customer complaint is that he cannot accelerate past 45 mph and check engine light came on, also states vehicle jumps when attempting to pick up speed. I cannot duipcate this problem. found nothing usefull in freeze frame. put my vantage on the throttle body a... Trouble codes: P0221, P2176 (Min Throttle position not learned in ECM), P0700 (Transmission control fault in ECM), P2544 (Torque reduction signal circuit - GMLAN in TCM)	View
	2006 Chevrolet Cobalt LT 2.2L Hi Speed BUS VIN: 1G1AL15F96 Hi all I have this cobalt here that has a no communication on the Hi Speed CAN BUS. The customer had the ignition switch replaced and brought it to me to have the BCM flashed.I disconnected every module to see if there was a module problem but nothing. Can som...	View
	2008 Chevrolet Colorado LT 3.7L 1-2shift Ok all you trans guys and grils out there,hoping you can shed some light on this for me?Boss tells me to remove and install a new valve body on this 2008 chevy Colorado 3.7L.Came from some other shop that rebuilt it 4l60, so I do as told get new valve body wit...	View
	2011 Chevrolet Aveo LT 1.6L No Start VIN: KL1TG5DE1B Came in with a dead battery and was told would not start ( even with a jump) Replaced battery due to odd symptoms to make sure I just didnt have a shorted battery. Misc problems : 1 car may or may not crank with the good battery. And will only crank for ab...	View
	2006 Chrysler 300 Touring 3.5L Mechanical VIN: 2C3KA53G86 2006 w5a580 mercedes 5SPD trany with only [...] (NO TRANY CODES, FRESH ATF+4 CHANGED) stays in 2nd gear when cold right up to redline until on and off throttle for 5 to 10 seconds and then will eventually shift to 3rd...once trany warms up it seemd to run...	View
	2007 Chrysler Pacifica Touring 4.0L air conditioning VIN: 2A8GM68X87 Hello everyone, this Pacifica does not put out cold air. Temp. is about 65 degrees coming out the dash vents. Evacuated an re-charged it twice being sure the correct charge is in the system. The discharge tube (suction tube) is icey cold coming out of the evap...	View
	2007 Dodge Ram 2500 SLT 6.7L Limp mode VIN: 3D7KR29AX7 Hey guys, I have this Dodge truck in here. Came in a few weeks ago in limp mode with a code P0883 in the TCM. After scanning all the other control units in the truck, I determined that the TIPM was bad (the relay for the TCM is in the TIPM). All the other cont...	View
	1995 Ford E-350 Econoline 7.3L no communication VIN: 1FDKE30F0S vehicle came in with a no start issue found low pressure in the oil system. also found old and torn injector seal replaced all seals for all injectors. there is no communication with ecu pin 4 and 16 are ok power and grounds are ok no opens or shorts in the ha...	View
	1996 Ford Ranger Splash 2.3L MIL Only Misfire VIN: 1FTCR10A1T First Question: Is there a calibration that may make the PCM less likely to trip misfire MIL. This is a 1996 and some latitude seems appropriate? NOT any bucking or performance problem at all; O2 readings not bad. PCM #F67FYB Software AJAQ4TZ.HEX Without go...	View
	1999 Ford Explorer Sport 4.0L MIL Lamp on VIN: 1FMYU24X6X This customer comes from another shop unhappy, I found tps voltage not sweeping at all. It sits at .6 volts no matter what throttle position its in. I take the new tps off and turn the inside with a screwdriver and tps still connected electrically and it sweep...	View
	2000 Ford Focus SE 2.0L Surge, Misfire VIN: 1FAFP36P4Y Spark plugs and wires have been replaced. Could cam or crank sensors cause this issue? trigger wheel on dampener looks good. Any help will be welcomed.	View
	2001 Ford Ranger Edge 4.0L option package VIN: 1FTZR15E41 Hey all thank you for your time. I have a 2001 ford ranger that we are looking for a replacement engine. the yard asked us if it was a 397 or 398A option. the vin decode tells us nothing and i am unable to find any information on line. i wondering if anyone ca...	View
	2002 Ford Mustang GT 4.6L Hesitation, Cuts out VIN: 1FAFP42X52 Good Day...(kinda) I have A 02 mustang gt that idles and runs fine until 40mph @ 40 mph the Vehicle Will not get out of its own way, feels like its running on half a bank. It Shakes And @ WOT will sometimes decelerate. Sometimes When The Problem is occurring ...	View
	2002 Ford F-550 Super Duty XL 7.3L no accelaration VIN: 1FDAW56F32 intermittently vehicle will not accelarate stays AT IDLE then comes back by itself must let off pedal to get response back pcm shows command voltage increasing while it happens. ivs voltage present while it happens any ideas?	View
	2003 Ford F-150 XL 4.2L temp guage VIN: 1FTRF17203 Thanks first to all that reply. Changed intake gaskets due to lean condtion. After running and filling fluids, took for road test and noticed temp guage climbing. Figuered it had not bleed out totally. scanner showed it reaching 251 degrees. got back to shop a...	View
	2005 Ford F-150 XLT 5.4L No Start, Stall, MIL Lamp on VIN: 1FTPW45865 Reprogramming PCM to latest calibration level as per procedure for originally code (p060a... I believe, sorry I'm writing this on the run!!) then proceed with further testing if needed. However using Ford Module Programming, get an error code of 0-0x31 and sto... Trouble codes: P0600 (Serial communication link malfunction), P2105 (ETC forced engine shutdown), U0300 (ETC software compatibility)	View
	2007 Ford Explorer Eddie Bauer 4.0L Airbag,GEM VIN: 1FMEU64E97 Customer stated multiple warning lights are being received on the instrument cluster, airbag and the red brake light. Codes in airbag are KOEO- No codes, Memory, B2290 and B1884 as well as Occupant Classification System B229B.GEM KOEO-No codes Memory B1472, B1...	View
	2008 Ford F-250 Super Duty XLT 5.4L Stall, MIL Lamp on VIN: 1FTNF20558 Gentlemen, could use some help from those with knowledge of Ford's late model fuel systems. We have had this truck return to our shop for the third time now. Everytime code p1233 is present and sometimes code p0191 is there. Truck will crank but not start unti... Trouble codes: P0191 (fuel rail pressure sensor a circuit), P1233	View
	2009 Ford Explorer XLT 4.0L Starting VIN: 1FMEU63E29 Hi all I have this explorer that has a communications problem. When I scan the network I can only communicate with the cluster. I completed a continuity test and the problem that I found is my power supply to the DLC somehow is crossed with the HS CAN neg and ...	View
	2011 GMC Yukon XL 1500 SLT 5.3L Misfire VIN: 1GKS2LE35B hi guys. we replaced an ignition coil on this truck two weeks ago for a p0301 and dead misfire. truck worked great for last two weeks. now this thing goes into a misfire under slight load between 40 and 60 kph. will not throw a trouble code and mode six data s...	View
	2002 Honda Accord EX 2.3L Excessive Emissions VIN: JHMCG66092 valve adjustment. timing marks ok.no codes runs in open loop at all times. no drivability complains. wont pass smog because of co.	View
	2005 Honda CR-V EX 2.4L abs VIN: JHLRD78855 tested wiring to module all ok has new sensor all other sensors read fine Help! ABS lamp comes on and VSA lamp Has honda fault code 16-1	View
	2004 Hyundai Santa Fe 2.4L Cuts out VIN: KM8SB12B74 Customer complaint of intermittent loss of power. Test drove 30 mi. no occurrence let car sit 1.5hrs re-drove within 2 miles car acted up. snapshot is as follows: RPM:2156 TPS: .33v ECT: 192 B1S1: 0 B1S2: 0 Injection(ms): 0 MAP: .94 could get car to act up o...	View
	2002 Jaguar S-Type 4.0L Pcm VIN: SAJDA03P02 Hi we have this S-Type towed in from another shop, and they installed a new GEM module and programmed it but still would not start. I am new to the SDD/IDS software, using a J-2534 Pass Thru and downloaded SDD/IDS from Topix. We fired up the subscription SDD d...	View
	2005 Jeep Grand Cherokee Laredo 3.7L accessories VIN: 1J4GS48K55 The owner of the vehicle was driving, when he stopped tried to shut off vehicle it would not turn off, he removed the key from the ignition and the car was still running. I checked the car for him and I had to remove the fuel pump relay for it to shut down. I ...	View
	1993 Mercedes-Benz 400SEL 4.2L No Start VIN: WDBGA43E9P Group I have a nightmare mercedes. I was asked to install a motor. Original jumped time and bent valves. I checked and had no compression. Replaced with used per customer request. Also noted loom to engine bad so replaced while apart. Installed engine, drove a...	View
	2001 Nissan Xterra SE 3.3L airbag VIN: 5N1ED28Y81 Car came in for a bad clockspring. No horn. We recieved the wrong part. When we pulled the airbag off the wheel the two wires pulled out of the connector . My problem is from the harness they are yellow and the other is white. On the other end at the bag they ...	View
	2011 Suzuki SX4 LE 2.0L 3-4 shift VIN: JS2YC5A25B Suzuki techs/trans experts...your help would be greatly appreciated! This car was on the hook when it came to the shop. Upon initial inspection the trans made tons of noise and the fluid was burnt. I did not check the codes at this time...my bad! Used CVT tran...	View
	2003 Toyota Tacoma Pre Runner 3.4L Misfire VIN: 5TESN92N83 Vehicle came in with a rough run, rough run under acceleration, check engine light with P0031 B1S1 A/F sensor code. I found a wire arching down the sparkplug. Installed a wire set, spark plugs and performed an injector service and replaced the B1S1 A/F. All p...	View
	1999 Volkswagen Beetle GL 1.8L pump VIN: 3VWDD21C4X hello techs i have been chasing this code 411 for 2 months i have replaced all components of the air inj.system.i have performed output test everything working.i checked passage in cyl.head im about to replace ecm.any suggestions would be great thanks	View
	2000 Volkswagen Jetta GLS 2.0L Poor Idle Quality, Cuts out, Misfire, MIL Lamp on VIN: 3VWSC29M3Y Need help from VW gurus; the throttle signal on this jetta 2.0 is acting up after the car warms up. Codes listed come right back even after replacement with new unit. It acts like the throttle plug would be disconnected. With the engine cold it runs perfect an... Trouble codes: 17951 (angle sensor 1 for throttle actuator signal too small), 17966 (throttle actuator electrical malfunction), 16506 (throttle position sensor signal too low), 17987 (throttle actuator adaptation not started)	View
	2007 Volkswagen Jetta 2.0T 2.0L Input speed sensor VIN: 3VWTK49M87 Intermittent code fault trips after 1 or 2 months. Will clear is not a hard fault. Unable to find any good diagrams/information on system in alldata, Chilton, motors,identifix manuals. Anyone seen anything common to these for wiring issues. Suspect connection ...	View

Fixes & Summaries for All Makes and Models

	Fix/Summary	Answers
	2005 BMW 645Ci 4.4L Oil leak VIN: WBAEK73425 Repair was pretty straight forward. I don't know why I get my knickers in a knot over these engines but it never hurts to research something properly before starting the repair procedure. Thanks for all that took the time to respond! There is an oil pre...	5
	2005 Buick LaCrosse CX 3.8L trunk release VIN: 2G4WC56245 replaced bcm and had dealer reprogram functions as designed now	7
	2007 Chevrolet Uplander 3.9L Air Bag System VIN: 1GBDV13127 As I suspected you must replace the air bag module with a NEW one only. Put new module in , did minor programming steps and codes are gone.	5
	2014 Chevrolet Silverado 3500 HD LTZ 6.6L backup carera thanks for all the replies, I did get the information from a iatn member but I had already gone to a local dealer and looked under a truck to see where the wires went, thanks again	4
	2012 Chrysler 200 Touring 3.6L Unknown VIN: 1C3CCBBG9C STORY GOES: BLENDOR WOULD MOVE TO MIDDLE POSITIONS. I WAS JUST NOT WAITING LONG ENOUGH FOR THE COMPUTER TO PROCESS SWITCH INPUT (ABOUT 5 SECONDS). EVACUATED FREON TO CHECK FOR OVERCHARGE CONDITION. IT WAS ACTUALLY UNDERCHARGED 1/2 LB. IT ONLY HOLDS 1 LB. LITTL...	8
	2003 Dodge Sprinter 2500 2.7L fuel leak VIN: WD2YD64153 so at this point I am still waiting for another pump as I sent it to the dealer to look into this I replaced the pump all the lines and the regulator and I still have to much pressure on the low side they have orderd a pump and we are waiting still on it there...	3
	2004 Dodge Dakota 3.7L Po750 VIN: 1D7HG12K84 This one got me for a while- Trans relay was energizing for a few seconds with key on & then loosing it- problem ECU- customer declined fixing truck because of $$$- thanks for the helps	5
	1999 Ford F-150 Lariat 5.4L Mechanical VIN: 1FTRX17L1X The rings were washed with fuel because of a set of rebuilt injectors that were junk. Pulled pistons out cleaned and rehoned cylinders replaced rings and rod bearings and it is fixed. Thanks for all of the help, been building motors over 35 years and never had...	23
	2007 GMC Yukon XL 2500 SLE 6.0L a/c temp and engine temp VIN: 1GKGC26K97 well I really don't know if you can consider this fixed. But I found some information out, we tried everything new a/c delco fan clutch, new waterpump, radiator, thermostat, orifice tube expansion valve and compressor. flushed out both evaporators and the cond...	6
	2002 Lexus ES300 3.0L high idle VIN: JTHBF30G42 Thanks for your replies. I have not heard back from the customer, so I put this request on hold until, I get a chance to check out the vehicle further. Thanks for all that replied. Trouble codes: P0171, P0174.	9
	2000 Mercedes-Benz CLK320 3.2L Convertible Top VIN: WDBLK65G2Y It seems I was misinterpreting the meaning of the limit switch code. I verified ECU operation by closing windows and unlatching roof. Windows all go down and after lifting roof 10" and hitting open switch there is a faint audible click from the back of ...	11
	2004 Nissan Maxima SL 3.5L No Start VIN: 1N4BA41E44 thanks to the three replies,back to the basics on this fix,remember you cant volt drop w\o current flowing,found the reason for pcm blowing only on crank.the batt neg cable bolts to a basically sheet metal strap on rear trans along with the bond ground to body... Trouble codes: U1000.	4
	1997 Porsche 911 Carrera 3.6L Poor Idle Quality, low manifold vacuum VIN: WP0AA2991V after our engine work completion, we ran 44k and new fuel, ran the vehicle about 50 miles, now idle is correct. Trouble codes: P0300, P0302, P0303, P0305, P0306.	5
	2005 Smart Fortwo Pulse .8L A/C Lines VIN: WMEAJ00F75 In the end I will have to send this guy to dealer to have the A/C O rings installed as I can't find or duplicate the disassembly tool. thanks everyone.	1
	2008 Suzuki XL-7 Premium 3.6L Drive Line VIN: 2S3DA21728 So I will be shipping this off to the dealer. The customer went to the store that the vehicle died at and was towed from, they had cameras there and found the tow truck towed with rear wheels on the ground. I did pull the drive shaft and test drive, no vibrati...	7
	2002 Toyota Camry LE 3.0L 2-3 shift VIN: 4T1BF30K12 Thanks for all the input this vehicle needed a TPS. Customer has decided to not repair vehicle at this time. Thanks again	4

(Also Available: All, Asian, Chrysler, European, Ford, GM.)