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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for November 20, 2012
International Automotive Technicians' Network (iATN) - Members Only
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Open Help Requests for All Makes and Models
Help Request Answers
2001 Audi TT 1.8L clutch VIN: TRUWX28N01
this TT keeps coming back with a low cluch pedal. first time it came in fluid was full and i could not find any leaks. i blead system and all was fine. 2 months later same thing . low pedal fluid full. i through a clutch master at it and 2 months later back ag...
2001 BMW 325i 2.5L Misfire, MIL Lamp on VIN: WBAAV33461
I go on a road test and during a hard acceleration the vehicle begins to misfire, and the check engine light comes on. After the light comes on it will also misfire at idle. I have checked for a flow chart on, but was unable to find one on alldata or mitchell ... Trouble codes: 1347 (Cylinder 3 misfire spark duration too short), 240 (cylinder 3 misfire detected)
2006 BMW X5 4.4i 4.4L Left Headlight VIN: 5UXFB535X6
Vehicle came in with driver's xenon headlight not working. Inspected bulb and igniter- both okay. Removed both headlight units and swapped headlight control unit fault moved from drivers to passengers headlight. Installed new control unit and both lights were ...
2001 Cadillac DeVille DHS 4.6L Air Temp Control VIN: 1G6KE57Y41
Howdy Y'all! I got this 2001 Caddy DTS only cold air blows from drivers side vent. I inherited from another shop. I had codes for all 3 temp actuators B0408 B0423 bo409 and B 1004 loss of KAM for controller. I could not get the new actuator to move either on t...
2004 Cadillac XLR 4.6L folding top VIN: 1G6YV34A44
hello techs, trying to remove the front headliner from this xlr. alldata says to put into service mode. but cannot get system to power or manually open. i have mechanically turned the center latch but cannot lift front to push back the specified 18 in. without...
1993 Chevrolet S10 Blazer Tahoe 4.3L cylinder
has spark getting fuel and compression cylinder not firing
1999 Chevrolet Malibu 2.4L Engine VIN: 1G1ND52T2X
Owner of vehicle said car stalled out and started acting funny after vehicle was re-started. It threw codes that prompted customer to replace TPS, crankshaft position sensor and fuel pressure regulator. He also installed new plugs and upstream oxygen sensor an...
2003 Chevrolet Trailblazer North Face 4.2L warepump VIN: 1GNDT13S33
Customer bought his from an auction last spring and has put app. 12,000 miles on it since then. He brough it to us when he first got to diagnose ses light on and coolant leak. It had a bad oxygen sensor and waterpump leaking out the weep hole. We replaced with...
2003 Chevrolet Suburban 1500 LS 5.3L engine
This vehicle makes a noise similar to belt chirp but I removed both belts with no change in the noise.I removed the transmission inspection covers and starter to check the flywheel and torque converter bolts and found no issues there.Its very difficult to pinp...
2003 Chevrolet Corvette 50th Anniversary Edition 5.7L MIL Lamp on VIN: 1G1YY32G33
We have an 03 vette that every once in a while when you go to start the dash lights up like a christmas tree, it still runs ok but with limited power. The codes all refer to a communication problem. We replaced the battery and cleaned the main grounds up, beca... Trouble codes: P1626 (Securty), U1000 (Can), U1016 (Can), U1040 (Can), U1096 (Can), B0338 (Body)
2004 Chevrolet Venture LT 3.4L No Start VIN: 1GNDX13E14
After long drive if u go to restart the van will crank but will no fire,fuel pressure normal but no spark.Was thinking maybe crank sensor
2004 Chevrolet Silverado 1500 LS 5.3L cruise control VIN: 2GCEK13T14
customer says that the cruise quit at the same time the speedo quit. After replacing the cluster and clearing all codes in all modules the cruise still does not function at all. Snap-on modis shows buttons functioning on cruise and power supplies ok. switched ...
2008 Chevrolet Malibu LT 3.6L Fusible Link
Hello, sorry for the lack of VIN but I did not bring all the info home with me like I should. I have this 2008 Malibu 3.6 which came in and is obviously not charging. The customer had called last week looking for a price on a battery, and obviously didn't like...
1997 Dodge Dakota 3.9L Cuts out, Misfire VIN: 1B7GL23X9V
See previous items replaced at another shop. The problem is very consistent. In any gear, if the RPM's reach above approximately 3,100, it starts to cut out badly. Feels like an ignition break down, but not a single cylinder misfire. Might even feel like it is...
1998 Dodge Caravan 2.4L 2-3/3-2 VIN: 2B4F925B6W
need help with this nightmare. transmission works fine when cold,when hot downshift gets real sensitive, tried adjusting kick down cable,band no luck. also stays on second until i turn it off and restart it, please help why is this tranny stays stuck in second...
2010 Dodge Grand Caravan SE 3.3L gauges, signal lights , radio, heater VIN: 2D4RN4DE2A
This van has intermittent problem (of course didn't do it here yet, will be driving it on and off to see if it can reoccur while we have the vehicle),where the radio, heater, clock, signal lights stop working. Customer wouldn't know if other systems out at the...
1995 Ford F-150 Eddie Bauer 5.0L Poor Idle Quality, Cuts out, Stall, Misfire VIN: 1FTEX14N1S
hello techs, have a 95 f-150 with all injectors pulse rapidly key on engine off. it has digital signal down spout wire.if distributor is unplug signal stops with ign. module unpluged signal stays there. all this happens with key on engine off. distributor was ...
2000 Ford Mustang 3.8L transmission VIN: 1FAFP4045Y
grinds while in gear (mostly in reverse) sounds like shift grind.
2002 Ford Taurus SE 2-Valve 3.0L No Start
Cranks,No start,no spark.Maybe PCM? No codes in PATS system.See related repair history.Owner neglected bat light on occasionly,when on it was charging too much.
2006 Ford F-150 XLT 5.4L Cam Phasers VIN: 1FTPW14506
Vehicle came in with a rattle in front cover, we've replaced several timing chain, tensioners, phasers, on different 5.4 3v engines in the past. It seemed like a cut and dry repair. Within 100 miles, the truck is back, and it was running poorly with po22/po305...
2006 Ford F-150 XLT 5.4L engine VIN: 1FTPW14526
Vehicle has a P0345 & P0349 / rough idle / stalls / runs great other than idle. same codes come back almost immediately when cleared
2008 Ford Explorer XLT 4.0L Fuel VIN: 1FMEU73E98
Hey guys, Got an Explorer that on 2 occasions has kicked up a P2131, Tp/App sensor sw.F circuit range/ performance code.The guy always wants his car back in 1 hr. so don't have any real time to work with it. He also has no symptoms. No loss of power heitation ...
2008 Ford Taurus SEL 3.5L Fuel Gauge VIN: 1FAHP24W58
I have an 08 Taurus with a fuel gauge problem. It has the saddle type tank. The gauge will read correctly when you start up then it will go towards full. So I don't myself or anyone else, it currently has about 1/4 tank of fuel. When I start it up it reads 1/4...
2009 Ford Escape XLT 2.5L Cuts out VIN: 1FMCU03739
Hi this new customer has brought this truck to me because occasionaly it will stall when parking or even when just idling in park. It did it to me it felt like it was running out of gas i cranked it over and it started but died right away.I went to get a fuel ...
2001 Honda CR-V SE 2.0L acceleration VIN: JHLRD18731
when hot no power when acceleration
2002 Honda Accord EX 2.3L No Start VIN: 1HGCG55672
Car was towed in as a crank, no start. Car will crank well and makes over 125PSI compression on all cyl's. Has no spark or injector pulse. MIL does not come on with the key as it should. No communication with the DLC. Performed DLC check per procedure on Mitch...
2003 Honda Pilot EX 3.5L vtm-4 system VIN: 2HKYF18473
Vtm-4 light on dash will come on as you drive. Sets a mfg code 77-1 on my verus. vtm-4 still works as it should. alldata tells me to clear code and retest then swap out pcm. If light comes on again to check pin fit at vcm module and replace that... has anyone ...
2005 Hyundai Tiburon GT 2.7L Starting VIN: KMHHN65F75
Car will has a no start, no crank condition at times. Very intermittent. Customer jumps, starts and is fine for a while. May be a day or 6 weeks and then occurs again. Has new battery, replaced ground cable. Positive cable cleaned and checked. Starter connecti...
1999 Infiniti Q45 4.1L Hesitation, Cuts out VIN: JNKBY31A5X
This car came in the last repair we did was a fuel injectors about a month ago and a month prior we did knock sensors a year ago we did plugs and coils. Know it has a slight stumble or hesitation on acceration, it drops 2-400rpms then comes back, it is running...
2000 Isuzu Rodeo S 2.2L cyl # 3 0 compression VIN: 4S2CK58D4Y
rodeo broke the timing belt and bent valves, machine shop repaired the head and valves. after installing the head and belt had zero compression on # 3 and others are 180 psi..was wondering on the cams, are they differant for intake and exhaust ? one cam has 14...
2007 Jeep Grand Cherokee Limited 3.0L security VIN: 1J8HR58M97
2006 Kia Sedona LX 3.8L Vibration VIN: KNDMB23356
when driving the van it starts out driving good after little while driving start to vibrates at 75 to 80 mph then it stops vibrates. The vibration comes and go until you for while like 20 to 30 miles then vibrates all the time.
2006 Land Rover Range Rover Sport Supercharged 4.2L no heat drivers side VIN: SALSH23446
We do not have any reoccuring fault codes in HVAC system. THanks, STewart [...]
1986 Mercedes-Benz 560SL 5.6L Cluster Lights Inop VIN: WDB1070461
Need a sevice on the east coast that does repairs on MB clusters. This car is actually a 86 500SL grey market. No gage illumination or odometer.Everything else works. Ran a ground from the cluster and that did repair the wacky gage problem. Without a reliable ...
1999 Mercedes-Benz E320 4Matic 3.2L headlights VIN: WDBJF82H9X
need help,old mercedes headlights,and all exterior lights don`t turn off after key is removed.the only different piece of equipment is an aftermarket radio.i have replaced the illumination/headlight module,still have lights on.somedata`s wirng diagrams are inc...
2002 Mercedes-Benz c180 1800CC abs,bas
hello all , have a BAS light that is coming on for customer only, scanned for codes and only get C1025 which the scanner says is a stored code "CAN BUS : brake signal light CAN signal error" merc dealer replaced brake switch and we have replaced brake switch a...
2000 Mercury Mountaineer 5.0L engine hesitation VIN: 4M2ZU86P4Y
my mountaineer 5.0 has hesitation only after vehicle is warm. no codes present. Happens mostly on acceleration. Have not changed fuel pump pressure is ok while at idle. It's only under a load when i get this problem.
2003 Nissan Altima S 2.5L No Start, long crank VIN: 1N4AL11E63
Car originally came in as a no start. Car started up and ran for 30sec then stalled and wouldn't start. Had batt voltage and good ground at ckp(three wire hall effect sensor)backprobed. Had batt voltage on signal wire KOEO but no square wave when cranking. Put... Trouble codes: P0335
1986 Porsche 944 Turbo 2.5L Rear VIN: WP0AA0952G
Hi all in IATN land. We have done a ton of work to this car. The only problem left is a knock when you turn left from the left rear. It will only do it once unless you go right. If you swerve hard right left it will knock when going left every time. Have check...
2004 Porsche Cayenne 3.2L Stall VIN: WP1AB29P94
Vehicle starts, runs for about 30 seconds, then stalls. If you hold it at wide open throttle and start it, it does the same. If you keep pumping the accelerator to WOT, it will stay running. Fuel pressure is 54 PSI. We do not have the equipment to adequately t...
1996 Toyota Celica GT 2.2L Misfire VIN: JT2CG02T9T
Car was starting but had multiple misfire.. Checked the egine code, it was p0300, p0301 ,p0302 ,p0303 ,p0304 all cylinder misfire..
2002 Toyota RAV4 2.0L Unknown VIN: JTEHH20V72
This vehicle has an intermittent problem that heppens when it is warmed up and stopped at a stop sign. Sometimes after you have made a complete stop and have sat still for a few seconds, you will hear a growling/groaning noise underneath, then the car will sur...
2007 Toyota Tundra SR5 5.7L No Start VIN: 5TFRV541X7
Hey all, had this vehicle in for a few days. Died while driving, spins ok, no start. Has no ses light, no communication with ecm. Went thru diagnostic charts. Checked all power and grounds to ecm. All good, ordered new ecm from toyota, installed. Still no comm... Trouble codes: U0100
2005 Volvo XC90 2.5T 2.5L Mechanical VIN: YV1CZ59265
I have a problem with this car setting mass air codes. The three coes it sets is ECM120D and ECM121B [...]. I have replaced the CAT.,the mass air,rebuilt the waste gate on the turbo.,replaced the breather box and all related hoses,smoke-tested the intake ...
2005 Volvo V70 R 2.5L transfercase VIN: YV1SJ52705
Help all Volvo techs! This v-70 came in with the typical leaking transfer case and we did a re-seal as we have many times. After the repair we noticed that when turning at low speeds mostly to the right there is a loud noise that sounds like the engine touchin...
2005 Volvo XC90 2.5T 2.5L Charging
Car came in with battery light coming on after 2 minutes or so also has the urgent message for electrical fault. The car charges around 13.5 volts. The original alternator also had the same charge rate so I thought the feedback portion of the alternator was th...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
1989 Chevrolet S10 2.8L Lighting VIN: 1GCBS14R6K
I should have done more looking before posting this request. All of the suggestion are greatly appreciated. What I have found so far is; Massive amounts of "rewiring" at the fusable links to and from the starter. Massive amounts of "rewiring" from the bulkhead...
1994 Chevrolet Camaro Z28 5.7L No Start, No communication VIN: 2G1FP22P6R
Well, I feel kind of dumb. The no communication problem was the 2 different scanners I was using (both Snap-on). I borrowed an old Tech I from a buddy that had an "E" pin adapter attached to it. Apparently on 86 - 89 Camaro's, Firebird's and Corvette's this...
1997 Chevrolet Tahoe LS 5.7L #2 & # 8 cyls VIN: 1GNEK13RXV
Thanx for the support!base circle run out caused intake valve to bump open again on bang (3rd) stroke
2002 Chevrolet Trailblazer LS 4.2L shifter cable VIN: 1GNDT13S02
Turns out that the cable had slipped off the pin at the tranny. The c-clip had fallen off. His Dad fixed it by installing a new c-clip. Hope it stays for awhile. Thanks to all who ofered help. I really appreciate it.
2002 Chevrolet Avalanche 1500 5.3L Instrument Cluster VIN: 3GNEK13T82
2003 Chevrolet Silverado 3500 LS 6.6L Intermittent no start & gas gauge VIN: 1GBJC39153
I replaced the PCM which did fix the fuel gauge problem. A few days later it was towed back in with a no start. After not finding anything wrong I pumped the fuel primer a few times and it kicked right off. Not finding any additional leaks I was a little stump...
2004 Dodge Ram 2500 ST 5.9L left rear brake VIN: 1AMAT50714
We received three replies - and thank each one of you for your time and the knowledge you shared with us. Each one of you elluded to piston stiction in the rear caliper in question - and that is what it was. One piston was hanginu up. Even though the calipe...
2007 Dodge Sprinter 3500 3.0L Heater Core VIN: WDYPF44547
As I stated this Sprinter vehicle with all five heaters is a factory set up. The engine was developing the required temperature for the coolant. There were no air locks in the system. The heated coolant just wasn’t getting to the required heater, (the front ma...
1986 Ford F-250 XL 6.9L Starting VIN: 2FDKF3816G
Well after reading all your great advice, all the truck needed was to be plugged in prior to attempting to start it. I was getting smoke which meant I had fuel. I saw no visible fuel leaks. The batteries are in good shape. Had it plugged in over the weeken...
2000 Ford Ranger XL 3.0L No Start, Cuts out VIN: 1FTYR14V1Y
Sorry for the delay to close the posting. This vehicle was very frustrating. After posting we continued testing, checked coolant temp. and found scanner reading consistent with actual temp. of coolant. We checked the I.A.T. sensor and found the resistance o...
2003 Ford F-250 Super Duty XL 5.4L Poor Idle Quality, Hesitation, Surge, Cuts out, Stall VIN: 1FTNF21L23
Gene and Bill hit it on the head.Leak at PVC hose where connects to thoddle body.after blocking vent on IAC,smoked again found leak.truck is running good at this time.Thanks to all for directions to go to chase down conncers.greatly appreate.
2007 Ford F-250 Super Duty XLT 6.0L fan clutch VIN: 1FTSW21PX7
Thanks guys!! I have used aftermarket clutches with success in the past. This one also seems to be working ok now. Im not real sure what fixed it though. Im thinking that the reason that the clutch was still acting up after i cleaned the radiator was because ...
2008 Ford F-250 Super Duty XLT 6.4L Charging VIN: 1FTSW21R98
To the Guys that answeared my request, that service Fleet Vehicles. Thanx for sharing your past experiances with re-man parts. I purchased a new Alternator from Motorcraft and Truck is fixed. As it turns out, FOMOCO lists a re-man unit, yet one can't buy it, w...
2006 Honda Civic LX 1.8L Electronic VIN: 1HGFA16596
Thanks for the help guys. replaced the B selonoid and the external oil filter. car has been gone for over a week now with no troubles so we will say its fixed :).
2006 Jeep Grand Cherokee Limited 5.7L Rear Gate Glass VIN: 1J8HR58256
thanks for all the help.. i spent several days trying to get this thing to act up all for a 20.00 sticky switch.. its located above the license plate and its just for the glass only.. once it stuck half way it never popped back out then it would actually sit o...
1985 Mercedes-Benz 300D 3.0L Vacuum pump VIN: WDBAB33C8F
This one is fixed! It was the oil pressure gauge! One of those situations where you overlook the obvious. Behind the dash was totally saturated with oil. But the cluster was dry as a bone, or so I thought. I don't know how many times I set it aside to gai...
2004 Mercedes-Benz CLK500 5.0L radio VIN: WDBTK75G94
replies mostly said radio needs to be coded except you can't simply punch in code on radio buttons like in the good old days. the radio needs to be coded to the sound system so it will know what other components it has to work with. I got a code from the deale...
2005 Mercedes-Benz CLK500 5.0L transmission VIN: WDBTK75G65
as always fixing the car is not the problem ,, dealing with the customer is cleared codes and road tested the car ,, explained to the customer what was involved and likely what would happen down the road ,, customer decided to not do any repairs at t...
1999 Mercury Sable LS 3.0L hard start once warm VIN: 1MEFM58U0X
It appears the vehicle fuel pump is intermittent. The owner does not want to fix at this time. Thanks for all of the information and suggestions.
2008 Mercury Mariner Premier 3.0L Wrench light comes on VIN: 4M2CU97138
Good Morning!!! We couldn't determine if the transfer case module was bad, or our scan tools couldn't communicate with it. So we sent it to the Dealer. Local Ford dealer didn't seem to want to deal with it, so we sent them to another dealer with better custom...
1997 Nissan Pickup SE 2.4L Hesitation, Surge, Stall VIN: 1N6SD16Y8V
it was the timing chain guide. thanks to all that replied. richard and brian hit the nail on the head. this was a lot of help. thanks again.
2000 Nissan Maxima GLE 3.0L ignition coil VIN: JN1CA31A8Y
Thanks to all for your input on this problem. The overwhelming consensus pointed correctly to the problem causing the p1320 code, non oem ignition coils. As recommended, all coils replaced with oem, problem solved.
1988 Porsche 911 Carrera 3.2L No Start VIN: WP0AB0910J
As usual, you all had the answer! I took the ECM apart and found a bad solder joint in the large output transistor. A magnifying glass, good light, a few minutes with a soldering iron and this thing was good to go! I continue to be amazed by this great resou...
1996 Toyota 4Runner Limited 3.4L Mechanical VIN: JT3HN87RXT
Thank you all helpfull relly it was the a/c tablelazer(amplifier assy,air) part#88650-35060 $60.00 it fix my problem mount on the side of a heater box behind the glogbox. Thank you all. Tony
2002 Toyota Prius 1.5L No Start VIN: JT2BK12U52
Well, I can't completely explain this, but the Prius seems to be fixed. We removed the aftermarket key from the group of keys that were in normal-use rotation, and after a couple of weeks the customer reports no starting problems. The peculiar thing is that it... Trouble codes: B2799 (Immobilizer System Fault).
2008 Toyota Tacoma 4.0L Mil VIN: 5TEUU42N78
I had already cleared the codes and so far they haven't reset so I am going to let the customer take it. But that still leaves the question of why it set a code against something that was never installed in the vechicle?
2002 Volkswagen Passat GLX 2.8L heating VIN: WVWRH63B22
Thank you for all those who replied.The problem was heater core.What fun to do one and remove dash.I wish someone would come out with manuals to remove dash whole like they install them when they are built.New heater core from dealer was different then one tha...
2005 Volkswagen Jetta GLI 1.8L Clutch/Trans VIN: 3VWSE69M15
The general consensus is that the dual mass flywheel along with the clutch is definitely out... there were 2 references to engine thrust bearing failure, and one mentioned that he had a grinding noise from the diff that was helped/cured by a synthetic lube. ...
2009 Volkswagen Tiguan SE 2.0L Misfire, MIL Lamp on VIN: WVGBV75N99
This one is fixed! So we ended up removing the intake again to inspect for more carbon on cylinder #4. We cleaned for a second time. While the intake was off we inspected the flaps for damage, and cleaned the little bit of carbon from it. We then swapped the ... Trouble codes: P0300, P0301, P0304.
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