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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for February 10, 2014
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Open Help Requests for All Makes and Models
Help Request Answers
1995 AM General Hummer 5.7L tire air light on VIN: 137DA8434S
This vehicle came in for a safety inspection from a used car lot and they want the CTIS working properly. The tire air light is on and is beeping. Both needles are reading 0 on the gauge in the dash no matter where I turn the tire selection switch . I did not...
2005 Audi A6 Quattro 3.2L Mechanical VIN: WAUDG74F05
Hello Audi Techs, We got this tow in and the car tries to start with a lot of Valve train noise. We tested the compression and the left side # 4 (50)psi # 5 (100)psi # 6 (75)psi / Right side # 1 (225)psi # 2 (225)psi # 3 (25)psi. Taking off the oil cap we see ...
2006 Audi A4 2.0L MIL Lamp on VIN: WAUDF78E16
Customer states engine light is on but runs ok. This person drives from one to two hundred miles per day about 50/50 interstate and state hiway. Cleared code and test drove with no codes reset. Wiring harness looks good. Values at imr pids do not seem to chang...
2007 Audi Q7 Premium 3.6L MIL Lamp on VIN: WA1BY74L27
Thanks to all who respond in advance. 2007 Audi Q7 with a VR6 3.6L engine came last year for fault below. Replace low pressure sensor according to TSB. Truck came back last week. Instead of replacing another sensor, we connected fuel pressure gauge right befor... Trouble codes: P310B (004 - Fuel Pressure Outside)
2006 BMW 750Li 4.8L Excessive Emissions, Poor Idle Quality, Misfire, Poor Fuel Economy, MIL Lamp on VIN: WBAHN83526
I'm no BMW specialist so I'm not thoroughly familiar with this Valvetronic system, but the problem seems mechanical, to me at least, even though the Valvetronic system seems to affect it. You guys may have seen this before I hope, and know better. I appreciate... Trouble codes: 29CE, 29CC, 29F5
1999 Chevrolet C3500 6.5L Ebcm 12476000 VIN: 1GBJC34F6X
Code co237- done the flow chart an the ebcm is bad dealer says discontinued with no revised unit to replace with. The ebcm [...] i also noticed that...
2004 Chevrolet Silverado 1500 LS 5.3L internal transfer case VIN: 2GCEK13T64
Looking for a little help on this Silverado. Vehicle came in with complaint of grinding noise when in 4 x 4. Test drive indicated front differential noise when in 4 x 4 but also noticed vibration through driveline in 2 wheel drive ( customer did not complain o...
2007 Chevrolet HHR LS 2.2L Poor Idle Quality, Hesitation, Cuts out, Stall, Misfire, MIL Lamp on VIN: 3GNDA13D27
Thanks for the help in advance,This vehicle came to us from another shop,that had it for 5 months. the other shop was a friend of her(the wife) family and said he could fix it. the engine had a bad rod knocking, and they told them it was because the tachometer... Trouble codes: P0315, P0336
2007 Chevrolet Silverado 2500 HD Classic LS 6.6L Hesitation, Cel VIN: 1GCHK23D57
Hello All, Recently replaced a Turbo on a 6.6L for P2563, P003A (turbo vane position). After replacement we have an intermittent P0299 (underboost) code. It appears to be on initial drive, engine not to full temp, will act like a bit of a dog on first pedal ... Trouble codes: P0299 (Turbo Underboost)
2008 Chevrolet Impala LT 3.5L Runs poorly VIN: 2G1WT58NX8
The car runs fine sometimes other times it barely starts and then runs like crap, sometimes it wont start at all. It has a code p0335 for crankshaft sensor circuit. I had the tech check the harness for any problems. None were found. Also replaced the crankshaf...
2004 Chrysler Town & Country LX 3.3L door locks VIN: 2C4GP44R84
hi guy i have this chrysler town country door lock popping up and down i flash the body control still popping up and down and kill the battery i think the body control problem any suggestion thank you guys
1991 Ford F-350 XL 5.8L No Start, Hard Start VIN: 1FDKF37H2M
Vehicle came in for multiple fuel leaks, hard start and cheak injectors, i replaced the injector pump, lift pump and all orings and hoses. First start up was about 8 seconds of cranking, then it ran like a champ. I bleed the lines at the injectors and then I d...
1996 Ford F-150 Eddie Bauer 5.0L timing cover VIN: 1FTEF14N7T
reg customer high miles but in good cond. noticed a good sized leak from TC. It's been a long time since I replaced a TC gasket /t chain on one of these beasts.. Alldata shows remove oil pan... don't remember ever having to pull oil pan to do t/cover gasket / ...
1999 Ford Escort LX 2.0L No Start VIN: 1FAFP10P7X
came in crank and no start. found zero fuel presure and 12 volt power to pump so installed new fuel pump. now have 40 + psi started and ran for 10 minutes and back to crank and no start. check powers and grounds, NO injector pulse. when it won't start I have s...
2001 Ford F-350 Super Duty Lariat 7.3L MIL Lamp on, low power VIN: 1FTSX31F81
Truck came in with low power output,cold only.Runs and tows great warmed up.P1247 is only code set.Checked MAP and Baro readings OK.Checked EBP sensor and tube OK.Checked turbo for free operation,checked waste gate operation OK.Air intake clean and clear.What ... Trouble codes: P1247
2003 Ford Focus SE 2.0L starter VIN: 1FAFP34P53
Intermittently, this car will not crank. No fuel pump power, dashes on the odometer display. I have gotten a communication code at times. I have also noticed that intermittently, the gauges will cycle partway after the key is out. And the odometer display wil...
2004 Ford Explorer XLT 4.0L Fuel Guage VIN: 1FMZU63K54
I am very confused. I orginally got this explorer and it had a P0463 Stored for the fuel circuit. Found the TSB for replacing the sending unit. I orginally ordered the part by the VIN# which shows for a Flex Fuel car got the part and it was wrong did some more...
2005 Ford F-150 FX4 5.4L engine noise VIN: 1FTPX14535
First of all let me say that I've read archives on the 5.4L 3V engine for hours and still didn't get through them all. I've managed to purposely avoid these trucks for valvetrain noise until now. This particular truck has loud rattle at cold start, like chains...
2007 Ford E-350 Super Duty 6.0L oil pump VIN: 1FTSE34P57
Vehicle towed in, died out while on the road, could not restart. Noticed oil pressure gage was not registering any pressure while cranking engine. Remove front cover and dicovered, gauges or deep scatches where the gear oil pump is seated in the cover, causing...
2004 Honda Accord EX 3.0L Engine VIN: 1HGCM66554
Car has faults for misfires on 3,5,6 if I remember correctly. I replaced the plugs, timing belt, idlers, tensioner and water pump. Adjusted the valves. The problem existed BEFORE I did this work. Cannot perform a CKP learn procedure because the scan tool think...
2008 Honda Civic Hybrid 1.3L valve train VIN: JHMFA36278
noise is that of a fluttering tappet at 1500-2000 rpm no load and on decel.
2003 Kia Sedona EX 3.5L steering box VIN: KNDUP13113
Removed rack and pinion for transmission replacement. After transmission installed experienced following problem: Upon initial start up steering wheel jerked violently - took return line loose at rack and tried bleeding procedure - steering wheel goes in one d...
2002 Lincoln Blackwood 5.4L mirror switch VIN: 5LTEW05A82
Customer just bought this truck. before buying the driver's mirror, adjustable pedals, and seat didn't work. Former owner took it to Ford dealer and they said it was the driver's mirror switch. Customer bought truck and brought to me to install new mirror swit...
2011 Lincoln MKT EcoBoost 3.5L Misfire, MIL Lamp on VIN: 2LMHJ5AT3B
This damn thing is missing under a part load, light to moderate cruise speeds. it always codes for cyl. 1 but this morning (-23f) it also coded for cyl. 2 ( the counts on mode 6 where virtually nil though). I first swapped the coil and plug from no.1 with no. ... Trouble codes: P0300, P0301, P0302
1999 Mazda B4000 SE 4.0L Poor Idle Quality, Hesitation, Cuts out, Misfire, MIL Lamp on VIN: 4F4ZR17X6X
First, all data readings are at idle. Symptom is intermittent and will happen at idle and/or cruising. Customer complained of always running rough while cold, and now it runs rough with no power intermittently hot along with the rough cold idle. Related histor... Trouble codes: P0304 (Cylinder 4 Misfire Detected), P0305 (Cylinder 5 Misfire Detected), P0306 (Cylinder 6 Misfire Detected), P0171 (System Too Lean B1), P0174 (System Too Lean B2), P0175 (System Too Rich B2)
2003 Mercedes-Benz C230 Kompressor 1.8L fuse 54
hi guys this car is a c180 kompressor and was not in the list,vehicle cam in with message on dash check coolant vist shop ,had 5 hard faults all short to ground would not clear. found fuse 54 blown replaced and blown again ,disconected 02 sensors cam adjusters...
2006 Mercedes-Benz E350 4Matic 3.5L trunk VIN: WDBUF87J66
Need some assistance from the Mercedes techs out there. This car came in for lights out in trunk lid. Another tech preformed a wiring repair. Two broken wires for the lights and one shielded wire that was damaged as well. The car came back with the complaint o...
2006 Mini Cooper S 1.6L Poor Idle Quality, Poor Fuel Economy, MIL Lamp on VIN: WMWRE33526
Have this Mini with a W11 engine that runs terrible and always sets a P0341 code as soon as it is started. The waveform from the cam sensor looks good. I believe I have a timing problem (timing chain?) but would like to confirm. I have checked the waveform lib... Trouble codes: P0341 (Camshaft sensor no plausible signal)
2009 Mini Cooper S Clubman 1.6L Piston VIN: WMWMM33549
Hi guys BMW and Coop Gods. I guess no one is safe from that dreaded piston defect that BMW is fighting. I can say that im familiar with BMW , did a lot of cylinder heads and timing chains, vanos and engine control. I also did a few 318s since 2002. But this is...
2013 Mitsubishi Outlander Sport LE 2.0L unk VIN: 4A4AR5AU6D
Help Mitsubishi Techs! My Daughter and I both own the two exact same models- same year and they both have the same issue- when you start it cold and back out of the garage you can hear a rattle/ buzz type of noise that sounds like a loose heat shield. Sometime...
1981 Nissan 810 DX 2.4L Hesitation, Surge
Vehicle idles fine. Drives and accelerates fine while cold. After a warm up period at cruise rpms, vehicle starts surging or loping constantly while throttle plates are opened any amount. Snap throttle creates a backfire through intake. Coolant was all over en...
2003 Nissan Altima 2.5L Poor Idle Quality, Surge, Misfire VIN: 1N4AL11D43
New cats, coils and plugs, the car will idle well, and has a relatively smooth powerband under light to moderate acceleration. Heavy accel presents a heavy misfire, p0301 and a pretty noticable amount of popping from the exhaust, however once your out of the g... Trouble codes: P0301
2000 Saab 9-3 2.0L No Start, Cuts out, Starts and dies VIN: YS3DD78H1Y
This car came to our shop on the hook with a no start condition. The customer said that sometimes it would start and run fine. the only code we pulled was P0172, too rich. Short term fuel trim is -0.8% and long term is -25%. The car started for us once and ran... Trouble codes: P0172 (Too rich bank 1)
2008 Saab 9-3 2.0T 2.0L No Start VIN: YS3FB59Y48
Car will crank fine and try to fire when cold, but will not start without pressing the accelerator some. After a no start, the plugs are soaked with gas. Starts and runs fine warm or if sitting in the shop for a few minutes. There are no codes stored, fuel pre...
2008 Subaru Outback 2.5i 2.5L cam seal VIN: 4S4BP61C08
HELP replaced cam seal on drivers side for a slight oil leak now leaks worse replaced again with factory seal same thing i found out what i was doing wrong i was driving the seal to far in. I don't have the right cam seal installer tool i am hopeful that someo...
2003 Suzuki XL-7 Touring 2.7L Excessive Emissions, Poor Idle Quality, Cuts out, Stall, Misfire, MIL Lamp on VIN: JS3TX92V53
Hello, and thank to all that reply to my help request. I have this Suzuki XL7, I replaced the valve cover gaskets on and it somehow develop a fuel leak at the fuel rail, 19mm end cap bolts. After repairing the leak the vehicle will not Idle, has multiple misfi... Trouble codes: P0300 (Multiple misfire)
1997 Toyota Tacoma DLX 2.7L Mechanical VIN: 4TAWM72NXV
Hi guy's looking for a little help from the Toyota guy's I have here a 1997 Toyota Tacoma 5speed trans,4x4 that needs a motor. Can this engine be pulled leaving the transmission in the truck or must it be pulled! Thanks for your time.
1999 Toyota Camry LE 2.2L Hesitation VIN: JT2BG22K3X
This one has a problem with the EGR system. I disconnected it a long time ago because it was sticking, and the customer didnt have the money to fix it at the time. So, today I replaced the egr valve. That went well, but when I hooked everything up it wasnt wor...
2002 Toyota 4Runner SR5 3.4L Traction Control VIN: JT3HN86R22
When operated in 4x4 mode only and going straight from a stand still and no wheel spin on initial acceleration traction light flashes and you hear the abs unit pulsing. Scan shows no codes and checking data shows all wheel sensors equal. I do see some solenoid...
2003 Toyota Corolla CE 1.8L MIL Lamp on VIN: 2T1BR32E53
This customer came in with check engine light with code P0171 - Fuel trim too lean. Visual inspection and smoke test cannot find any vacuum leak. Road test to determine if MAF at fault but all data reading look ok other than fuel trim. Short term fuel trim rea... Trouble codes: P0171 (Fuel Trim Too Lean)
2001 Volkswagen Passat GLS 1.8L cam gear VIN: WVWAC63B51
Vehicle came in as a no start, been sitting for 3 months. Customer purchased from an individual who said they replaced the turbo. He never drove the car, just parked it. Found 20amp fuse missing for injectors, replaced and fired up with a misfire. Replaced bad...
2006 Volkswagen Jetta Value Edition 2.5L fans run constant VIN: 3VWPG71K36
Reposting this help request, Please read before responding with "replace the fan the module is bad". posted it last week and every response was replace cooling fans with new VW fans as the control module is built into the fan. Which I agree with, customer opte... Trouble codes: P0480 (cooling fan 1 ckt)

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
1998 Acura TL 3.2L brake warning light VIN: JH4UA3643W
We replaced the alternator for the excessive ripple problem but the brake warning light problem was still present. The problem turned out to be in the instrument cluster circuit board. I noticed that if I let vehicle sit over night and then turned turned ig...
2005 BMW X5 3.0i 3.0L Excessive Emissions VIN: 5UXFA13585
thanks to everyone that offered me infomation to repair this BMW,indeed i replaced the oil separator(pcv valve) and all the hoses related to this system along with cleaning all related tubing,hoses and intake manifold. thanks again for all your great repair in...
2002 Chevrolet Impala 3.4L No Start VIN: 2G1WF52E92
sorry took so long to post basically the 7x crank sensor is the one responible to give signal to module to have spark during cranking the cam sensor does the fuel timing and the 24x sensor is ignition timing the 7x sensor fixed the car thank you for all the he...
2007 Chevrolet Impala LT 3.5L pressure control solenoid VIN: 2G1WT58K27
1993 Dodge Dakota 2.5L Clutch
well pete from rhode island hit it right on the money. disc. spring fell out clutch kit and its gone. really weird, I drove this before I did clutch master and slave. shifted fine and no noise or slipping. just had to pump pedal a few times. live and learn
2005 Dodge Magnum R/T 5.7L MIL Lamp on VIN: 2D4GV58235
I had already decided that I needed a new PCM for the o2 sensor code problem, my problem was I could not program a new PCM in this vehicle...Anyway, I got another new PCM, tried to program it in a couple other vehicles around the same year, Witech would fail b...
2005 Dodge Ram 1500 ST 4.7L No Start, Poor Idle Quality, Stall, MIL Lamp on VIN: 1D7HU18N85
thank thank you yes replacing the IAC motor has fixed the problem- after installation truck now idles right cold with out stalling- I checked it according to dodge resistance testing and controlling with scan tool all check out- also checked voltage to unit fr... Trouble codes: P0129.
2008 Dodge Grand Caravan SXT 3.8L rear wiper VIN: 2D8HN54P88
this van has went to texas and it will be awhile before i get to work on it so i will post a fix when it does come back thanks for all the help i will be tryiny some of the suggestions greg
2004 Ford F-250 Super Duty Harley-Davidson Edition 6.0L No Start VIN: 1FTNW21P24
Chris and Joseph both stated that the scan tool will throw a bogus pressure reading because of the fault code, but the voltage reading is actual. The voltage never did change, mainly due to cut wires. We tested the ICP, it is shorted to ground. We gave the ... Trouble codes: P0671, P2285, P0403, P0405.
2005 Ford Mustang GT 4.6L no forward, no reverse VIN: 1ZHT82H155
First of all, thanks for all the replies.After inspecting everything, I suspected the TORQUE CONVERTER and special thanks to Richard,Vito, Anthony,Ruben,Matt, David who gave me more confidence about the TORQUE CONVERTER. We change the T/C and install a new coo...
2008 Ford Edge Limited 3.5L Ptu VIN: 2FMDK49C18
We ended up replacing the PTU as a couple of you suggested. The PTU is going for $1600 up here in Canada so I thought I would look for any alternatives first. I pulled the side cover off(had to break the white plastic shield covering the rh axle seal) to inspe...
2010 Ford F-250 Super Duty King Ranch 6.8L No Start VIN: 1FTSW2BY5A
wow dirty mass air flow sensor. caused this problem. cleaning maf and re-seting fuel trims. thanks to the 8 replies
1995 GMC K1500 Sierra SL 5.7L No Communication VIN: 2GTEK19K6S
Doug hit it. Thanks. It was the ground. I had checked all grounds. I cut back insulation and corrosion was terrible. cut out ground and ran new wire. Thanks to all who replied.
1999 Honda Accord EX 2.3L Shift Indicator VIN: 1HGCG6679X
In the update I installed a shim into the shafts end, this made the biggest improvement. I figure that with some play in the shifter also, that would have to be replaced as well. but for now the customer is satisfied. Thanks again
1956 Jeep Willys CJ-6 2.2L head gasket specifications VIN: 1956W1LL1E
Thanks for all the help guys. I did try to find info on Google but I got sick of sifting through forums to find the answers. Once again iATN for the win! Guy
2009 Jeep Liberty Sport 3.7L cooler line seals VIN: 1J8GN28K19
Ended up re using the factory seals with a skim coat of Silicone. Thank you to all of ou who replied. As far as replacing it with an aftermarket cooler the owner of the vehicle specifically wanted it to remain stock. The seals are not O-rings they are a metal ...
2000 Lexus ES300 3.0L MIL Lamp on VIN: JT8BF28G3Y
Good afternoon Guys: I am so sorry for not closing this earlier... the problem was the MAF, replaced with OEM MAF and all is good, thank you for all the help. Trouble codes: P0171.
1998 Mercedes-Benz S320 SWB 3.2L Misfire VIN: WDBGA33G3W
Thanks for the help guys. A couple of guys named Rich hit it on the head for me. All we had to do was reset the flywheel sensor adaptation and the misfire counter went back to zeros. The car wasn't actually missing at all but the false reading made it think... Trouble codes: P0300 (Multiple cylinder misfire), P0303 (Cylinder 3 misfire), P0304 (Cylinder 4 misfire).
2004 Mercedes-Benz SL500 5.0L Abc Suspension VIN: WDBSK75F24
This one is fixed. It ended up being both valve blocks. I'm still not sure why it wouldn't set any codes. I ended up checking for power and ground to the solenoids and it was present so I replaced them with used units as the customer just wanted to get rid ...
2005 Mini Cooper S 1.6L Poor Idle Quality, Stall, MIL Lamp on, low power VIN: WMWRH33405
Good advice everybody! First compression test = 90. The timing chain did jump 2 teeth (only found by pulling timing cover) It jumped because the forward guide rail was worn and had broken peices. I put chain, both guides and tensioner in. Now compression ... Trouble codes: P0341 (camshaft sensor 1).
2003 Pontiac Grand Prix SE 3.1L No Start VIN: 1G2WK52J33
Ordered a remanufactured PCM from Auto Zone. It came flashed with the vin. and mileage in it that I told them when I ordered it. Car cranked and worked perfect. Everybody said it would need to be flashed. The PCM I replaced would power up prime the fuel pump t...
2008 Pontiac Grand Prix 3.8L Cuts out, Stall VIN: 2G2WP55258
Fixed!! Most members said to remove the remote start, I failed to mention it was oe remote start, my bad. Trust me I have s**t canned my fair share of aftermarket remote starts. I removed the pdc and checked all the connectors, everything looked good. I th... Trouble codes: U1000.
2004 Porsche Cayenne 3.2L Left Low Beam VIN: WP1AB29P64
Thank You for the responses! We found the light module under the drivers side under dash panel. We replaced the module do to a burnt pin # 23 on the module plus replaced the burnt wire and that fixed the left low beam. We also found that the right side headlig...
2010 Porsche Panamera S 4.8L horn VIN: WP0AB2A70A
Well special thanks to bill from Florida I did not know about the fuse panel in the right side ip. Tested fuse and yes it was blown replaced and all is good now. The horn that works with the lock unlock is a separate horn. So I want to thank everyone for the ...
2003 Toyota Camry LE 3.0L fuel VIN: 4T1BF30K43
Sorry for the delay, thanks to all who replied. It was a defective egr control solenoid. I replaced the valve as well. It was tough to catch since the customer told me it would only act up after driving 10 miles. I did drive for about that distance with the sc...
2006 Volkswagen Passat 2.0T 2.0L Excessive Emissions, Hesitation, Surge, MIL Lamp on VIN: WVWAK73C36
Thanks to all i removed the snorkel that connects the turbocharger to the air filter assembly.When i looked inside there was a shop rag stuck in the turbo, i was able to remove it,and all is well. Trouble codes: P0106, P0236.
2000 Volvo S70 GLT SE 2.4L MIL Lamp on VIN: YV1LS56D7Y
Thank's for all the responses ,unfortunately the problem has not been resolved . After clearing codes for the final time the Customer drove 70 miles and then went for sticker and passed . Presently the customer has not been in contact with us . I plan to do a ... Trouble codes: P0455.
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