Automotive Technicians Technical Discussion and Fixes for Oct 28, 2013

Join Now

Prev	Professional Automotive Repair Technical Discussions for October 28, 2013 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
	2005 Acura TL 3.2L Mechanical VIN: 19UUA66275 Customer stated he was driving and it died. Are these Valve benders, I've never seen one break before especially at 111K Belt is off was towed in from another shop that said its junk. and you can't just do a valve job. They keep offering the customer 500 for...	View
	1998 Audi A6 Quattro 2.8L Fuel System VIN: WAUBA34B3W Came in with fuel fouled plugs. Replaced plugs and in a short drive, plugs began to foul. We are very unfamiliar with these vehicles and am wondering what controls the amount of fule into the cylinders	View
	2005 BMW 325xi 2.5L Rejected Smog test VIN: WBAEU33405 I am unable to smog this vehicle due to an intermittent loss of engine speed signal. The smog machine has no problems testing all other ODB2 vehicles. I sent the car the the state emissions lab and they too cannot test vehicle. The speed signal is picked up at...	View
	1998 Chevrolet K1500 Cheyenne 5.7L oil pan VIN: 2GCEK19RXW this is my own truck, so it makes it even worse. I noticed a small leak at the rear of the engine oil pan, so i replaced the oil pan gasket with a aftermarket gasket. After running for about 20 minutes i seen it leaking from the front saddle area, where it nev...	View
	2001 Chevrolet Malibu LS 3.1L Engine VIN: 1G1NE52JX1 Hello all thanks for reading, i could use some advice here, this car will not idle when cold , but if the pedal is held in 5 minutes it will idle fine and run good until it gets cold, i changed the IAC motor due to some wild reading on the scanner, cleaned the...	View
	2005 Chevrolet Express 2500 6.0L Steering VIN: 1GCGG29UX5 Van came to us with complaint of a vibration around 45-52 mph.They had it to other shops and had new shocks,pitman arm.idler arm and alignment.Tires balanced and rotated and brakes looked at.We had replaced the gearbox 1 year ago because it was leaking.After u...	View
	2007 Chevrolet Tahoe LTZ 5.3L Unknown VIN: 1GNEK13057 hello fellow techs,this one's for the gm audio techs.this tahoe came to me friday.did'nt have alot of time left in the day to diagnose.here's the problem;came in won't shut off with key.had to pull fuel pump relay.customer said ever since he had this new after...	View
	2009 Chevrolet Traverse LS 3.6L Excessive Emissions, Poor Idle Quality, Misfire, MIL Lamp on VIN: 1GNEV13D69 This vehicle came in with heavy, fuel rich exhaust smoke and steady misfires on cylinder #5 that appear to be due to a stuck-open #5 injector. We've never had to replace a Direct-Injection type of injector yet and are wondering about the tricks and traps of d... Trouble codes: P0305, P0087 (Fuel Rail pressure low), P02AD, P0191 (Fuel rail pressure/performance), P0134 (02 circuit no activity B1S1)	View
	2010 Chevrolet Traverse LT 3.6L Misfire, MIL Lamp on, No power VIN: 1GNLVFED9A Customer called me yesterday stating that while just driving along,the stabilitrac light and check engine light came on together,along with messages on dash for reduced engine power and service stabilitrac.after she limped home,she said it would not start for ... Trouble codes: P2101 (Throttle actuator performance), P0338 (Crank position sensor), P2138 (Throttle/pedal position sensor), P0698 (Sensor reference voltage c circuit low), P0602 (Ecm/pcm processor), P0335 (Crank position sensor a circuit)	View
	2001 Dodge Ram 1500 ST 5.9L No Start, Cuts out, Stall VIN: 3B7HF13Z71 this truck will run for approximatly one half an hour then stall and become a cranks but wont start. during cranking or koeo check engine light will not come on odometer will flash guages will not work also cannot communicate with pcm with scantool.after a whi...	View
	2003 Dodge Intrepid ES 3.5L Poor Idle Quality, Hesitation, Stall, Misfire VIN: 2B3HD56MX3 Car seems to run deacent on initial start 3 seconds ,then seems to start missing ,then seems to start running rich on bank 1 and lean on bank 2 chugging but will tach out no problem ???any help will be appreciated have been cursed with this Dodge Intepid night... Trouble codes: P0306 (Missfire Cyl6 was initial complant now wont come back on but still missing), P0052, P0174, P0700	View
	2001 Ford Ranger Edge 3.0L Surge, MIL Lamp on VIN: 1FTZR15U41 Replaced egr tube,came back with p0401 p1408 codes,found .1v on dpfe sensor wire replaced dpfe with ford part now have 1.0v,still fails koer test,have no voltage change on test drive with scanner,or at sensor with volt meter and vaccum pump,egr valve good,almo... Trouble codes: P0401 (Egr flow), P1408 (Koer test flow)	View
	2003 Ford F-250 Super Duty XL 5.4L Head gasket VIN: 3FTNF21L13 I have checked the cooling system on this truck for combustion gas and it tests positive. Is there anything besides a head gasket or cracked head that could cause this on this engine? System is slowly losing coolant and has rough idle on morning start-up. Als...	View
	2003 Ford F-350 Super Duty XLT 6.0L No Start, Stall VIN: 1FTWW32P63 Vehicle came to us for running bad cold/no power. Diagnosed problems and found intake contaminated with soot, plugged EGR valve and four bad injectors failing buzz test and FICM was recently replaced and was supplying the 42 volts to injectors. So, we replaced...	View
	2004 Ford F-150 STX 4.6L Poor Idle Quality, Hesitation, Cuts out, Stall VIN: 1FTRX02W94 Hi all this ford F150 4.6 fly by wire throttle body exibits a stalling condition when cold it randomly stalls like a bad IAC but after 5 minutes the problem goes away and the truck is fine all day till the next morning when stated cold. Replaced throttle body ...	View
	2007 Ford F-150 XLT 5.4L No Start VIN: 1FTPW14V57 Not sure what to do with this truck. Long crank time when cold. When you try to start in the morning it will keep cranking for 15 to 20 seconds without starting. Once it starts it runs fine and will restart immediately there after. Scanned and looked at every ...	View
	2007 Ford Mustang 4.0L Surge, Cuts out, Stall, Misfire, MIL Lamp on VIN: 1ZVFT80N47 Replaced harmonic balancer 6 months ago, it was coming apart but no codes. Vehicle came back with codes P061b, P1336, customer claiming vehicle bucking, surging and stalling. No real problem found but customer was willing to take a gamble at typical issues. Cl... Trouble codes: P061B, P1336 (Cam/Crank correlation)	View
	2008 Ford Escape XLT 3.0L Key In Warning VIN: 1FMCU03188 Customer complaint was the chime not going off when he left his key in the ignition. The ignition switch is supposed to close circuit across terminals 4 and 5 with a key in the tumbler. When mounted in the vehicle, it did not. It was open circuit key in or key...	View
	2003 GMC Envoy SLT 4.2L abs VIN: 1GKDT13S13 We got this truck back in August for PA state inspection. He already had done all rotors and calipers himself. He could not get system bled so asked us to do that. He also stated that the ABS would activate just as truck would come to a stop. We verified all h...	View
	2006 GMC Canyon SLE 2.8L Engine VIN: 1GTDS19896 Hi guys i need some help with this one i rebuild this engine on this little pick up and car runs fine but it has a rough idle condition when it starts first thing in the morning it only lasts for 30 to 40 seconds and then it will run fine till it sits for awhi...	View
	2008 Honda Accord LX 2.4L MIL Lamp on VIN: 1HGCS11738 Hi guys! this came in running bad code p0341. Found jumped chain. Replaced chain, guides tensioner along with vct sol. And vct actuator (gear) reprogamed computer did all relearns. Installed proper oil viscosity. Cel comes back on right away most times. We eve... Trouble codes: P0341 (Cam crank phase)	View
	2004 Kia Sorento EX 3.5L ignition VIN: KNDJC73344 Replaced valve cover gaskets on this vehicle, during which I removed spark plug wires from right bank, when reassembling replaced spark plug wires and could not remember wire placement, so I followed firing order on alldata repair and now engine wont start. Ha...	View
	2007 Kia Optima LX 2.4L engine VIN: KNAGE123X7 I have to replace the engine assembly on this vehicle. Reading through Mitchell and All Data it isn't very clear. Anyone out there do one of these? Does it come out the top or bottom and as a assembly? Any help would be greatly appreciated. Thanks in advance!	View
	2004 Mazda 6 i 2.3L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1YVHP81C14 Car originally came in 6 months ago with severe knock in the bottom end. We replaced the engine with a used one, engine swap went well and the car ran great for 6 months. Came in 3 weeks ago running very poorly on 2 cylinders and would not respond to throttle ... Trouble codes: P2100 (throttle actuator circuit open)	View
	1998 Plymouth Breeze 2.4L Battery light VIN: 1P3EJ46X2W Hey guys, I've got a 98 Plymouth breeze in the shop...customer complains the battery light comes on after driving, odometer also seems to flicker slightly& has mentioned the wipers sometimes are out of sink. Wondering if this is all a related concern. Main foc...	View
	1988 Saab 900 SPG 2.0L Excessive Emissions VIN: YS3AT76L4J Hey guys this saab 900 turbo if suffering from excessive nox.I have determined that the catalyst isn't performing well because of a lean condition I see in the o2 sensor waveform. At idle it switches very well. anything off idle and it flatlines. during this c...	View
	2004 Saab 9-3 Linear 2.0L No Radio VIN: YS3FB45S14 Car is in from another shop, radio is totally inop., hitting buttons on icm makes nothing happen.first shop "borrowed" amp1 from a known good car with no change.icm passes bus response on tech2, amp1, ehu,cdfr have no response, tech 2 claims ring break just be...	View
	2004 Subaru Impreza WRX 2.0L Misfire, MIL Lamp on VIN: JF1GD29664 I'm trying to help a good friend out. His car runs extremely rough. CEL blinks under load, misfires consistently. Pulled codes and found misfires in all cylinders. I don't want him to spend a bunch of money throwing parts at this car so we did some testing. We... Trouble codes: P0301, P0302, P0303, P0304	View
	1987 Toyota 4Runner SR5 2.4L miss #3 cyl VIN: JT4RN62S4H I have checked everything I can think of , As I said before checked all the usual things , spark and coil total output , inj operation , watched it on the scope voltage and current . Compression tested the cyl. Now the weird part is it'll come and go , it's no...	View
	1998 Toyota Avalon XL 3.0L Surge VIN: 4T1BF18B6W It only happens after about 20 miles on a highway and when u let off the gas to exit by the time you get to the spot at the exit it is surging if you shut the car off and restart it gone and idles fine but if u just continue to drive it will surge every time u...	View
	2007 Toyota Highlander Hybrid Limited 3.3L Master Cylinder VIN: JTEGW21A07 Need some help on this trouble code-c1246--there is a sensor in a housing below the master resivour-we replaced the whole unit including the sensor that comes with it-bled the brake system according to all data-the abs lite still comes back on after about 50 m...	View
	2004 Volvo S60 2.4 2.4L Starting VIN: YV1RS61T24 A very intermittent crank no start. We were instructed to replace the CEM for faults in the high speed CAN for a problem that could not be duplicated after several days of road tests. Not surprisingly, the car came back. We have the following codes: BCM-E000 c...	View

Fixes & Summaries for All Makes and Models

	Fix/Summary	Answers
	2002 Audi Allroad Quattro 2.7L Unknown VIN: WA1YD64B02 Thank you everyone for your help.We kept checking wiring harnesses and whatever we could.We may have scratched an itch?and satisfied it for now. The car was fine for a few days at the shop so we gave it back to the owner. It's been over a week now with no iss...	6
	2007 Audi Q7 Premium 3.6L liftgate VIN: WA1BY74L47 if you have one that the motor separates from pivot and has been trying to function, don't bother trying to retime it. just replace the module/motor assembly. at the price of the module/motor assemblies customer opted to have them removed and use the gate as a...	2
	1983 BMW 320i 1.8L No Start VIN: WBAAG33010 HI, EVERYONE. THANKS TO ALL OF YOU WHICH TAKE TIME TO HELP US. WE HAD TO REBUILT THE FUEL DISTRIBUTER , THE PLANGER WASN`T MOVING AT ALL TO SUPPLY PROPER AMOUNT OF FUEL TO INJECTORS. THANKS AGAIN MATT	22
	1999 Chevrolet Express 3500 LS 5.7L Poor Idle Quality, Misfire, Low power VIN: 1GAHG39R9X Alright guys, I am speechless at the responses I got... I appreciate all of your time and energy spent to share you knowledge and give me some great suggestions. Ultimately time has been limited to get back to this and really spend some time focused on it, al...	53
	2002 Chevrolet Impala LS 3.8L right axle seal leaking VIN: 2G1WH55K72 First off thank you to the people who actually responded with possible fixes. I ended up replacing the axle extension housing and seal with new GM parts and replacing the CV axle with a NEW aftermarket axle. So far with about 200 miles on it there is no le...	20
	2003 Chevrolet Suburban 1500 LS 5.3L Engine Misfire VIN: 3GNFK16T03 Thanks for all the replies. I looked at the vacuum at cranking and Idle . I got 0 at cranking and 14 at idle. Now I jst took the Left front O2 sensor Out and Misfire counter went to 0. Left cat was Plugged.	44
	2010 Chevrolet Aveo LT 1.6L Hesitation, Stall VIN: 3G1TC6DE6A Thanks to all.We drove car until codes set .Cust had forgot to mention her son was trying to fix car and had cleared codes before we got it.It cam up o2 codes so i checked per craigs info on o2 sensors per pi.When watching 02 sensors the upstream would stay hi...	8
	2004 Chrysler Pacifica 3.5L hihg idle VIN: 2C8GM68484 well thanks to the ones that took time for help me after replace upper intake because the short runner valve shaft was sucking air, works better but still at 900 rpm try to relearn AIC, recheck everything no luck; so know my last chance is the pcm. why? becau...	8
	1999 Dodge Durango SLT 5.9L 1-2 Shift VIN: 1B4HS28Z9X thanks to all who gave there time to help.after all the time spent replacing the solenoids,testing circuits,vefifying grounds,and everything possible,we determined the valve body must be sticking.i have seen this issue in the arcives but could not get past the...	18
	2001 Dodge Durango 4.7L Transmission shifting VIN: 1B4HR28N71 Hello guys, thanks for the responses. I forgot to previously mention that he had already filled a couple of the plugs with di-electric grease before bringing it into us. I had filled the main plug the first time he came in because he couldn't get the connect...	6
	2001 Dodge Dakota 3.9L No Start VIN: 1B7GL22X01 Thanks to all who responded, especially Chris and Robert for the test disconnecting ckp,cmp,tps, and map to verify communication problem and the affirmation that aftermarket electronics are poor substitutes. We used a factory reman computer from Dodge. They ...	7
	2007 Dodge Ram 1500 TRX4 5.7L 4th to fifth shift VIN: 1D7HU18287 found problem with valve body. Aparently this is a problem that dodge know's about but wont put out a T.S.B. or recall. valve bodies are on national back order. What is happening is the trans is trying to shift to 3rd for a split second before it shifts to 5th...	11
	1996 Ford F-150 Eddie Bauer 5.0L engine VIN: 1FTEX15N4T Well guys, I tried penetrating oil at t-c bolts and crank, removed belt, and cleaned top end all to no avail.I narrowed down the knock to pass rear of engine and compression tested 2&4. 2=150 4=100 Air loss/differential proved damage to #4 piston. no skirt mis...	12
	2001 Ford F-350 Super Duty Lariat 7.3L No Start VIN: 1FTSW31F31 I have fixed this one thanks to ALL your help.ALL the glow plugs were open circuits but one and its ohm reading was 36k ohms.Replacing the faulty glow plug relay and all glow plugs with Ford factory parts was the cure.The glow plugs that I removed were Autoli...	25
	2001 Ford Taurus SE 2-Valve 3.0L MIL Lamp on VIN: 1FAFP55U01 THANK ALL OF YOU FOR YOUR HELP AS IT TURNS OUT FUEL PRESSURE IS CONTROLLED BY FUEL PUMP MODULE VERIFIED BY WIRING DIAGRAM FUEL PUMP WIRED DIRECTLY TO FP RELAY. SINCE BOTH BANKS WERE RICH I ALSO KNEW THE MAF POSSIBLY COULD BE THE CAUSE SO I TRIED A NEW ONE WITH... Trouble codes: P0172 (Rich bank 1), P0175 (Rich bank 2).	11
	2004 Ford F-350 Super Duty King Ranch 6.0L Hesitation, MIL Lamp on VIN: 1FTWW33P04 well truck left shop with duty on ipr at 75 per and no more codes I think the truck needs a new hpop but used car dealer did not want to put the money into repair.no leeks found in hpop system thanks for all the help ! Trouble codes: P2285.	11
	2001 GMC Sierra 2500 SL 6.0L brakes VIN: 1GTHK24U31 to all that replied thanks. The fix was very simple and most of you techs hit right on it. The mounting surface had a 1/16th build up that looked like part of the knuckl. Thanks again guys!!e	24
	2006 Kia Sportage EX 2.7L Cooling Systems VIN: KNDJF72396	7
	2006 Lexus RX400h 3.3L Misfire, MIL Lamp on VIN: JTJHW31U16 Well, the customer has picked up the car and it now has a date with Lexus for a recalled circuit board in the hybrid inverter.(fire hazard) I believe the mistake I made from the very beginning was that I was relying on the Modis to relay to me accurate misfir... Trouble codes: P0300, P3190, P3193, C1259, C1310, 00A0F.	10
	2003 Nissan Sentra GXE 1.8L Poor Idle Quality, Stall, Poor Fuel Economy VIN: 3N1CB51A13 CUSTOMER DECLINED ANY FURTHER REPAIR. DUE TO LOWER COMPRESSION AT POINT TO DISASEMBLE AND INSPECT/TEST TIMING GEAR FOR BEING STUCK IN ADVANCE.CUSTOMER TOOK VEHICLE BEFORE ISSUE DIAGNOSED THANKYOU FOR ALL THE HELP AND APRECIATE THE TIME YOU ALL HAVE GIVEN	10
	2000 Porsche Boxster Roadster 3.2L Can not put fuel in VIN: WP0CB298XY Amen this car is fixed!!! Ok, the tank venting valve can be replaced with out removing the tank. Get the battery and box out of the car. Carefully cut off the crimp type hose clamps to valve. Carefully use a sharp long knife and cut a v-shape in the styrofoam ...	8
	2009 Saturn Outlook XE 3.6L airbag code VIN: 5GZEV13D29 Thank you to all the folks who sent information on this Saturn. The customer took the car and will return it at a later date. I will check the connector under the driver seat first when it returns by the bulletin that is on this vehicle. Thanks again to everyo...	5
	2008 Suzuki Grand Vitara 2.7L Poor Idle Quality VIN: JS3TE94128 THANKS FOR AL [...]. I BELIVE THE TRICK IS IN CLEANING THE TB.	4
	2002 Volkswagen Passat GLS 1.8L Power windows VIN: WVWPD63B72 We finally got this vehicle fixed. We had a used Passat come in that had all the windows working properly. We switched out the drivers side window module and it fixed the problem. We bought a new module. Just a side not the output from the old module to the do...	6
	2004 Volkswagen Jetta GLS 1.8L Poor Idle Quality VIN: 3VWSE69MX4 Thanks to all who answered me.you guys and IATN are great.I found bad check valve under intake at crankcase.Not visibly damaged but not working.Thanks again Mark.	18
	2010 Volkswagen Golf TDI 2.0L Mechanical VIN: WVWBM7AJ9A LET ME START BY THANKING YOU ALL THAT REPLIED, SORRY I'M REPLYING LATE. I DISCOVERED IT WAS A MECHANICAL PREBLEM DO TO THE LACK OF LUBRICATION FROM LOOSING OIL OUT OF A LOOSE DRAING PLUG. THE CUSTOMERS EXTENDED WARRANTY PLAN DID NOT COVER LACK OF LUBRICATION A...	10
	2011 Volkswagen Golf TDI 2.0L No Start, MIL Lamp on, Glow Plug Lamp VIN: WVWNM7AJXB I replaced the fuel injectors and that fix the car completely. A summary of the parts that I replaced were: injectors, fuel distributor, fuel return line that connects to each injector, fuel filter, HP fuel Pump, all other components were cleaned and re-use... Trouble codes: P0087 (Fuel Rail/System pressure too low Upper limit reached), 34560 (Fuel Rail/System pressure too low Upper limit reached).	17

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