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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for December 23, 2013
International Automotive Technicians' Network (iATN) - Members Only
(Also Available: All, Asian, Chrysler, European, Ford, GM.)
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Open Help Requests for All Makes and Models
Help Request Answers
2003 Audi S8 4.2L fuel gauge VIN: WAUGU44D13
audi tech, please help. car tow in a months ago due [...] dead fuel pump. we put in a new fuel pump, a week later. car tow in cause by low fuel. fuel gauge show half tank, but actually empty on both side of tank. perform output test on fuel gauge, show normal flu...
2006 Audi A4 2.0L abs VIN: WAUDF78E76
Have an Audi here with Bosch 8.0 esp/abs randomly sets abs communication faults.[...] no comm, I think I have a module going bad.I also have codes for communication between other components and the abs modulelike trans and airbags and engine as well as a ...
1995 BMW 525i 2.5L poor performance VIN: WBAHD6320S
I am just wondering if this is a normal occurrence on the older bmw 525I models for the oxygen sensors to go bad. Or is there something else on the car that could be causing the oxygen sensors to go defective? This customer also has another car exact some mode... Trouble codes: 201 (Oxygen O2 Sensor), 13 (Oxygen O2 Sensor)
2005 BMW 645Ci 4.4L engine light VIN: WBAEK73495
Hello all. got this good one. reduced performance light comes on at times. when the warning comes on the engine seems to run normally. no lack of power. pulled codes 2a5c valvetronic eccentric shaft sensor 2 reference and 2a6b valvetronic power limitation. we ...
2007 BMW 328xi 3.0L Unknown VIN: WBAVC93507
I don't know where to start on this car. has codes 2A43, 5F3A, A0B5. I'm having trouble finding any info on these codes.
1990 Cadillac Eldorado 4.5L No Start VIN: 1G6EL1338L
Car initially came in as a hard start cold. Customer drove the vehicle to our shop. Upon inspecting the vehicle, we found that the cap and rotor were burned up as well as the coil, which had a big hole burned in the bottom. We originally did a full tune up(cap...
1989 Chevrolet Cavalier RS 2.0L Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, Misfire VIN: 1G1JC5112K
I am a new to this vehicle. it has been an on going problem. the vehicle runs poorly at idle and sometimes dies. it also has died at cruise and deceleration. I found the injector pattern looked bad by using a timing light on it. I replaced the injector and als...
1999 Chevrolet Express 2500 5.7L engine VIN: 1GCGG25R5X
this van came for check engine light ramdon misfires I checked misfire counter and showed misfires on number three only pulled plug and they were orig replaced them with wires cap and rotor ran smooth when started after a few seconds started running rought cha...
2007 Chevrolet Monte Carlo SS 5.3L MIL Lamp on VIN: 2G1WL16C87
Hello all. I have this chevy monte carlo 5.3l in my bay that is throwing code p3400 cylinder deactivation system. When driving down the road it will try to go into 4cyl mode and it will kick in and out of it a few times then will not try anymore. If you turn o... Trouble codes: P3400
2008 Chevrolet Impala LS 3.5L Gauges, doors, ignition VIN: 2G1WB58K38
The car intermittenly does not start for a few minutes, and at times the door locks go up and down and all the guages drop while driving. There are various body codes in history every time this happens, mainly for communication with BCM. P0633 U0140 U0073 e.t....
2008 Chevrolet Aveo LS 1.6L timing VIN: K17L753905
Guys I need some help here. Shop sold a timing belt on this vehicle as a maintenance item. I can not get the timing right! Seems to line up with the marked but it idles horrible. Take it off idle and it seems ok, timing got to be off. I must have tried about t...
2003 Chrysler Sebring LX 2.4L HVAC Control VIN: 1C3EL46X63
Heat operates as it should till you turn the lights on. Then shortly after that the heat turns cold and the flow directs to the defrost. Turn the lights off and heat works as it should. Thanks in advance. al
2006 Chrysler Town & Country Touring 3.8L poor power VIN: 2A8GP54L16
Data stream shows no TPS voltage and about half of current speed. Speedo and tach are correct. Test TPS Reference and output voltage and both are good. 0/2 sensor still cycles under load with poor power. When scanner is used for a few minutes it looses communi...
2006 Dodge Dakota SLT 4.7L Rack and pinion VIN: 1D7HE48N06
At speeds over 55 mph truck has what feels like a lose or woren idler arm. As the rack and pinion dose not incorperate one I checked for end play and tie rod ends. Tie rod ends are tight. There is play(or side to side tire movement)when motor is not running bu...
2007 Dodge Nitro SLT 3.7L Reverse VIN: 1D8GU58K57
Towed in with complaint of no reverse. Found no reverse & also neutral has forward drive. Codes p0731 & p0944 - no input or output rpms in reverse but neutral acts like drive, drive also ok, did not road test, transmission feels like it is shifting into gear w...
2009 Dodge Ram 5500 ST 6.7L 1-2 VIN: 3D6WD76C39
Vehicle acted up last year once under same circumstances. And was working correctly the next day. Makes a 1-2 shift then goes into failsafe. Only happened after a 7" snowstorm both times. Now is happening even though roads are clear and dry.
1997 Ford F-150 XL 4.2L engine VIN: 1FTDF1824V
the engine will start. but revs way up and dies like you shut the key off. but still has spark and injector pulse. engine backfires the whole time while running. checked timing. keyway on crank ok. chain did not jump.
1999 Ford F-150 Lariat 5.4L starter engages VIN: 2FTRX17L5X
This truck came in with customer complaint of starter engaging itself randomly. In the bay, condition is confirmed the first time we pressed the accelerator pedal. Starter can be heard engaging semi-randomly even just sitting idling for many minutes. I inherit...
2001 Ford Windstar LX 3.8L Intake gaskets? VIN: 2FMDA51451
Car was towed in as a no start. Customer thought it needed a starter, but engine would not turn over by hand. Removed spark plugs and found cylinders 2 & 3 filled with clear water, no anti freeze. I'm guessing it's rain water as it rained here all last weekend...
2002 Ford F-550 Super Duty XL 7.3L No Power VIN: 1FDAF57F52
Hello IATN. I have today a 7.3 Powerstroke with low / no turbo boost under acceleration most of the time. When initially started cold and first time down the block you can hear / feel turbo spool up and then shortly after power drops off. Fuel pressure at hous... Trouble codes: P1247 (Turbo Boost Pressure Low), P0470 (Exhaust Back Pressure Low), P0472 (EBP Low), P0478 (EPC High / Turbo Boost Pressure), P0603 (Bat Power), P0344 (Cam Sensor)
2011 Ford F-350 Super Duty XLT 6.7L No Start VIN: 1FD8X3ET3B
Came in on the hook.customer said lost power while driving and run very rough and shut off.would not start. Fuel presure too low max while crank is 800psi.low side switch while cranking or just turn the key on says not low.remove both filter check for restrict... Trouble codes: P2291 (Injector control pressure too low), P04DA, P0676 (6 glow plug ckt)
2012 Ford F-150 STX 3.7L pinging knocking VIN: 1FTMF1CM4C
Excessive engine knocking pining noise under all kinds of driving / cruising / load / no load / not sure how to proceed / spark plug condition OK / No codes related to VCT / no timing components concerns any idea out there? any similar syntoms? any solutio...
1999 Honda Prelude 2.2L Stall, Misfire VIN: JHMBB6241X
Having a problem with this car after it sits out side when its cold. Starts up fine but after driving one block and coming up to a stop sign it idles real low and dies. Will start back up after cranking awhile but dies at the next stop sign. After that it runs... Trouble codes: P0300
2005 Honda Odyssey EX 3.5L 4 th and 5th shift VIN: 5FNRL38745
Asking for help hear not sure if I have a internal or electrical problem No codes in trans fluid up and clean road test trans shifts fine up to 3rd gear then nothing just whines out data from scanner tells us it is not shifting into high 4th or 5th gear read u...
2003 Hyundai Santa Fe GLS 3.5L no throttle VIN: KM8SC73E33
we have tested wiring and cannot find the ets relay. we have no power at terminal 2 at the pcm and need to know were the ets relay is located. on the 2001 and 2002 it is in the fuse box but on the 2003 it is not there. any help will be appreciated. thanks Trouble codes: P1118, P1178
2001 Jaguar Vanden Plas 4.0L MIL Lamp on VIN: SAJDA24C81
Vehicle was towed to shop, battery was dead. Re-charged battery. Started vehicle, road tested, transmission shifted normally during road test. Unable to find any info on fault codes. Anyone seen these codes any help is appreciated. Trouble codes: P1260 (Security input), P1222 (Traction control outpun circuit malfunction), P0711 (Transmission fluid temp sensor circuit range/ performance), P1632 (No discription)
2008 Jeep Compass Sport 2.4L Starter VIN: 1J8FF47WX8
Hi Guys. This is a no crank condition. U0024 U0100 U0141 P1279 Cleared everything and the U codes returned Ignition switch shows start transition from run in all modules data Theft light not staying on in crank position No obvious wiring issues under Tipm Cont...
2007 Land Rover Range Rover Sport Supercharged 4.2L hvac VIN: SALSH23497
merry christmas to every technician on the trade. This range rover is only blowing hot air to the passage side, I remove the blend door motor and move the blend door manually, and it still does not change at all, I am sure the blend door is fine on the heater...
2006 Mazda 6 i 2.3L trans malf. VIN: 1YVFP80C56
Well, This Mazda 6 came into the shop with a bent conrod and the vvt actuator torn apart. A used low mileage engine was transplanted. All went well except for an issue with the starter pinion not disengaging from the flex plate which went away as soon as the t...
2007 Mazda 3 i 2.0L Poor Idle Quality VIN: LM1BK32F97
The vehicle runs rough/low idle when in drive with your foot on the brake at normal operating temp. The strange part is the rough idle only occurs when the brake light switch is activated. You can place the car in drive with the parking brake engaged and the i...
2001 Mercedes-Benz C240 2.6L battery VIN: WDBRF61J21
Have a 02 mercedes c240 here that I found a .9 amp draw coming from the driver seat module part# [...]. called my dealer and got price availablility and questioned him on if it needs to to coded or programed. was told there are no special notes but he wa...
2005 Mercedes-Benz E320 4Matic 3.2L Ride Height VIN: WDBUH82J55
car came in with sagging rear end. Found leaking spring in RR position. Replaced both rear airbags. Now we have a hard C1341 code in the suspension computer. I can not find a definition for the code in Alldata, identifix or IATN. The compressor will run for a ...
2004 Nissan Frontier XE 3.3L Hesitation VIN: 1N6ED26Y24
Hi everybody. We have a 04 Nissan frontier xe. The vehicle will start to buck and hesitate very bad once you are going over 40 mph. The only code it has is a p0500 for no mph reading. It does not show a mph on the scanner, but it does have a working speedomete... Trouble codes: P0500
2008 Nissan Sentra SL 2.0L No Start, Surge VIN: 3N1AB61E08
Customer complaint-no start cold. Code displayed P0340,P1715. Unplugging cam sensor made it start. Scoped cam sensor, signal is spiking and has a bad pattern. Replace cam sensor with dealer part.Did throttle relearn 4 times and set timing at 6 degrees. Inside ... Trouble codes: P0340 (Camshaft position sensor), P1715 (ID pulley speedFix P0340 first)
2013 Other GM santa's 800CID navigation
Santa must have his sleigh back by Tuesday night in order to make deliveries around the world. Without navigation working he may have to postpone Christmas. I told him don't worry I know a bunch of great mechanics that will get him back in the sky in no time. ...
2006 Saab 9-3 Aero 2.8L cyl 3 VIN: YS3FH46U96
Hello Saab techs: Have this 9-3 v6 turbo 2.8, with an intermittent engine shaking WOT, when for exemple i try to resume acceleration while cruising. The car shakes a bit and then smoothes out. The mil goes on and off , and i only get a pending dtc, p0303 cyl 3...
2000 Toyota Corolla VE 1.8L Starting VIN: 1NXBR12E8Y
i just install an other starter but the problem is exactelly the same i check for voltage drop at starter and it has .005 mv and i tested grounds and they are ok i bypass neutral switch but even whit the switch bypassed its making the same noyse
2006 Volkswagen Jetta 2.5 2.5L MIL Lamp on VIN: 3VWDF31KX6
p2181 keeps coming back after a day or two. We replaced thermostat,ECT, radiater temperature sensor and ambient temp switch. ECT reads -48C when unplugged and 130C when shorted. Temp gauge is maybe a bit slow to rise but heater seems normal. Temp sensors read ... Trouble codes: P2181 (Performance malfunction in cooling systemimplausible signal)

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2006 Audi A4 2.0L airbag module VIN: WAUAF78E26
Thanks to everybody who replied. Pulled the module all the way out and still couldnt find any thing regarding index numbers, so i took a chance and called Autologic tech support again. Autologic UK called and after 20 minutes on the phone and almost every numb...
1996 Buick Skylark Limited 2.4L Unknown VIN: 1G4NJ52T2T
1986 Chevrolet Corvette 5.7L No Start, Poor Idle Quality, Cuts out, Stall, MIL Lamp on VIN: 1G1YY6782G
sorry for the delay. we knew we had a prom issue, but we could not find a oe prom. so we order another hypertech prom. this solved all issues. car works well and customer is happy. thanks for all replys. Trouble codes: 41 (cylinder select error).
1999 Chevrolet Blazer 4.3L No Start, Stall VIN: 1GNDT13W8X
Thanks for all the Replies, but unfortunily I couldn't fix the issue, and the costumer needs the vehicle asap, I have had towed to the dealer... after all the info collected here the last thing I could think is the issue is the ECM, will c what they say about....
2007 Chevrolet Silverado 2500 HD Classic LS 6.6L Starter VIN: 1GCHK24D97
As some of you suggested, the issue did turn out to be a broken wire from the emc to the glow plug relay. In the diagnosis part of it, I guess I just needed confirmation that I was looking for the right problem. What I consentrated on was two things, the lack ...
2007 Chevrolet Silverado 2500 HD LTZ 6.6L left side VIN: 1GCHK29647
Thanks everyone for the help!! I flushed the core with no change, removed the module to check for junk in the core-none. When I can get the truck back in I will remove the housing and update with what I find!
2007 Chrysler Aspen Limited 5.7L Park Assist VIN: 1A8HW58227
Thanks for the help. I was able to get into the system using the Launch X431 scanner. The #11 sensor is the far left. That was the bad one. They are numbered from right, passenger side, to left, drivers side, #8 being the far right, passengers side. 8-9-10-11....
1999 Dodge Dakota 3.9L MIL Lamp on VIN: 1B7FL26X5X
Unfortunatly I could not get authorization for an OE converter. All fuel trims and other data were good. A local guy informed us that Walker converters are considered to be high efficiency and must get hot to work. He suggested a lean, hard test drive to force... Trouble codes: P0420 (Cat efficiency).
2004 Dodge Durango SLT 4.7L dome,radio lights VIN: 1D4HB48N04
It had a bad instrument cluster. Daniel had it right. Called the dealer and the recall had not been done. Sent this one off to the dealer for a free replacement.
2008 Dodge Avenger SXT 2.7L Cabin Heat VIN: 1B3LC56R38
Physically checked blend door activation...ok. Disconnected actuator and manually swept door...cold to luke warm. Priced out heater core job and customer took car away to consider fixing or trading it in on a new one lol. Thanks for all the help.
2003 Ford Ranger XL 2.3L MIL Lamp on VIN: 1FTYR10DX3
thanks to all that replied. after the thermostat housing was removed the element tested open ohms.the new housing comes complete from our local ford dealer.truck is fixed and customer is happy happy happy!! Trouble codes: P0597.
2005 Ford Freestyle SEL 3.0L Mechanical VIN: 1FMZK02125
Thanks for all the info. I found a forum on google about this problem. The fix was replacing the valve body and midtronics unit. Sorry but I do not have any testing info.
1997 GMC Sonoma SLE 4.3L Engine VIN: 1GTDT19W8V
I pulled the motor on this and it spun the #1 rod bearing
2006 Honda Jazz/Fit 1.3L MIL Lamp on
Hi, thank you guys for trying to help with this problem. Jesse was right. I blocked the egr valve,and the STFT going back to around below 10 %.Also I followed the suggestions from Richard and Benjamin as well to check for vacuum. Well, I learned something n... Trouble codes: P0172 (Fuel metering too rich).
2003 Isuzu Rodeo S 2.2L Abs Module
Replaced ABS pump again with used and have not had a problem since.
2009 Kia Sportage LX 2.7L Power Steering VIN: KNDJE72399
The Customer declined to move forward at this time. I looked at all the suggestions checking the harmonic balancer Etc.. We had already checked out the front suspension & it was okay. I think the problem was a bad power steering pump & more then likely a bad p...
2004 Mazda RX-8 1.3L Plugs VIN: JM1FE17NX4
most replies stated the plugs were fuel fouling because of short driving trips. These cars must be driven to warm up before shutting them off. We cleaned the spark plugs and educated the customer, problem solved. As two Mazda techs.said,"the 1.3L rotary engine...
2001 Mercedes-Benz C320 3.2L Esp/Bas VIN: WDBRF64J11
this car is finally fixed code c1210 on c class means it needs a road test after steering wheel angle sensor or lateral acceleration sensor replacement .I have to go over abs bas esp system separately erase all codes reset the zero point value than go for a r...
2008 Porsche Cayenne 3.6L Poor Idle Quality, Surge, Misfire, MIL Lamp on VIN: WP1AA29P18
Thanks to everyone for your responses. It looks like this Cayenne had a faulty pressure relief valve. Its installed at the end of the high pressure fuel rail. And of course its an updated part. Thanks again. Trouble codes: P0674 (fuel pressure sensor- upper limit exceeded), P12A2.
2001 Toyota RAV4 2.0L Headlites VIN: JTEHH20V41
2007 Toyota Sequoia SR5 4.7L 4x4 VIN: 5TDBT44A67
problem was due to misscomuniction car had one tire the wrong size causing the issue thanks to those who replied
1999 Volkswagen Passat GLS 2.8L Engine timing VIN: WVWMD63BXX
Thanks to everyone who responded and shared their insight. After rechecking my cam timing and verified it was correct, I pulled the valve covers and checked the tensioners for the chains. They checked okay. It seemed my problem was on both cylinder heads. I d...
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