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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for August 16, 2012
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Open Help Requests for All Makes and Models
Help Request Answers
2005 Audi A4 Quattro 2.0L Variable exhaust cam VIN: WAUDF68E25
Vehicle came in w/noisey top end engine noise and a cam code. Customer overheated the engine and then the noise appeared. Found car to have a coolant leak on rear of cylinder head at the plastic hose connector (o-ring hard & leaking where it goes into head) an...
1996 BMW 328i 2.8L Gear Ratio 1-4 VIN: WBACD4329T
Hello everyone, Customer has had vehicle worked on the transmission, they perfomred the transmission oil service. Customer states that vehicle feels the same, with harsh acceleration. DTC's on vehicle (as brought in are the following):3 Transmission Codes...
2001 BMW 740iL 4.4L Acceleration VIN: WBAGH83411
This vehicle has a severe vibration on take off and continuing thru accel. If hard enough sounds like something is hitting the under side of vehicle. Trans codes w/ Auto Enginuity are 22 & 70. Can't seem to find the definitions for these. Have BMW service info...
2003 BMW Z4 2.5i 2.5L power steering VIN: 4USBT33463
We have a Z4 with no "Power steering", icon on dash present. It was working when we bought it and put it on our lot. New one about $2600. I did my research and checked my signals, but it's dead. Has anyone have resource to a used one or has anyone found a fix?...
2005 BMW M3 3.2L rear main seal VIN: WBSBR93435
Dear Fellow techs, I need a bit of schooling from you, got this m3 that is leaking alot, I lift it up and seems to be coming from the rear main seal since it is motor oil, this is an smg car. A friend of mine just told me to also look at a valve on the side of...
2007 BMW 525i 3.0L exhaust
Hello to all this bmw is making noise like ting ting ting ( like metal bracket hit another metal subj ) only when driving veh and pass speed bump or rough road . any one seen this please help !! have tsb but only said happen at idle
1994 Chevrolet S10 LS 4.3L Excessive Emissions, Poor Idle Quality, Misfire VIN: 1GCCS19W4R
Customer Brought Truck In For Misfire. During Tune Up Noticed Plugs On Bank1 Were Black. We Checked Timing And Seems Good. We Also unpluged Idle Air Control Valve And No Change Noticed?? Thought Idle Should Have Changed. Cannot Communicate with PCM. Pin TGeste... Trouble codes: N0, C0DES
1998 Chevrolet S10 LS 2.2L pump VIN: 1GCCS1947W
Thanks in advance for any help. I rebuilt this unit in march of this year replacing the, converter,sunshell,low oneway sprag, the foward oneway and band with clutchs.it test drove fine and was delivered to cust. in april it came back with a noise and a flared ...
2000 Chevrolet Express 3500 LS 5.7L Poor Idle Quality, MIL Lamp on VIN: 1GBJG31R3Y
I have a problem, I am not sure what. Symptom was vehicle idling rough at times. Code was set for lean bank 2. I watched the scanner, and thought this was easy. The voltage on Bank 2 Sensor 1 would jump intermittently to 4 millivolts, and then back up to norma... Trouble codes: P0174 (Lean Bank 2)
2005 Chevrolet Silverado 2500 HD 6.6L Drive line VIN: 1GCHK23295
Customer came in for new tires and alignment. We replaced the tires and did the alignment. A week later the customer comes in complaining about a bad tire cuasing a vibration as it didn't vibrate with the old tires. Upon test driving we determined it was a dri...
2005 Chevrolet Tahoe LS 5.3L Misfire VIN: 1GNEC13Z25
Recuring misfire #3 condition. Replaced plugs and coils. Vehicle has been is several times for the same problem. Any suggesions? Thanks in advance. Trouble codes: P0303 (Misfire cylinder 3)
2008 Chevrolet Silverado 1500 WT 4.8L Cuts out, Stall, Loss of Elec. Power VIN: 1GCEC19C18
The truck will cut off very briefly while driving at cruise speed. The check engine light will blink on (less than 2 seconds) and then go off. The radio & a/c control will also blink off/on when fault occurs. The a/c will revert back to fresh air from recirc w...
2007 Chrysler Sebring 2.4L shifting VIN: 1C3LC46K07
Hi All, After replacing the solenoid block with a new assembly, same problem. Installed old solenoid assembly back on. Check for power at the YL/OR wire at solenoid it is "0" volts when in "limp-in mode" (same wire also goes to PCM & TIPM). Clear code & stays ...
2003 Dodge Ram 2500 Van 5.2L governer pressure. VIN: 2D7JB21T33
I received this from a trans shop that we do business with. They rebuilt the trans to replace the snap rings they found in the pan. It had the P1763 before it came in. The odd part of this one is that the desired gov. pressure doesn't match the specs for eithe...
2006 Dodge Charger R/T 5.7L Stall VIN: 2B3KA53H66
vehicle came in with complaint of intermittenet bump at cruise, dash dropping out with chime activation. Like you very quickly shut key off then back on. Bulb check in nature. Customer drives long distances daily started as very intermittent and progressively ... Trouble codes: U0100 (Tcm loss of comm with pcm/ecm), P0700, P2172 (High airflow/ vac leak detected randomly sets)
2006 Dodge Ram 2500 SLT 5.9L compressor VIN: 1D7KS28CX6
Traced this to the integrated power module. Signal from PCM is good (.05V on) Cluch Ohms out @ 2.5. System cools good with a "hot wire" to comp. Pressures look normal. Was going to fix this with a 20 dollar relay instead of an $800 fuse panel. Looked at a diag...
2003 Ford F-350 Super Duty XLT 6.0L lack of power VIN: 1FTWW33P73
this truck would run fine then it would die, i end detecting a bad ipr valve i decided to replace it, so now the truck is giving me this code p132b turbo performance, i have check for leaks on intake using smoke machine no leaks, check for exhauste leak, no le... Trouble codes: P132B
2004 Ford E-450 Super Duty 6.0L No Start VIN: 1FDXE45P24
I hope we are not overlooking something else testing this code. FICM logic power is .5 volts, FICM main power is 47.9, FICM vehicle power was 11.48. Previous posts said the FICM logic should be no less than 10.5 volts. Is this correct? We've seen posts about h... Trouble codes: P1378 (FICM Supply Voltage Circuit Low)
2006 Ford F-350 Super Duty XLT 6.0L oil pressure VIN: 1FDWF36P76
I have this F350 that stalled and will not start. it has 0 oil pressure at the LPOP. Pulled and replaced oil pump and housing cover. Check the run out and it is .004 so at the end of the line. No oil pressure, no oil drip from the pump, pump only had a trace o...
1999 GMC Safari SL 4.3L air flow VIN: 1GKDM19W9X
hi have 99 gmc safari replace a/c comp /dryer /orfix/ van came in for oil leak only cust then wanted a/c fix comp was lock up after all repairs all check good except air flow coming from vents at high blower only goes about 15 inch from vent have check for vol...
2000 GMC Safari SL 4.3L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1GKEL19W5Y
I have a 00 Safari running very rough at idle. Shows misfires on # 1 and 4, mostly on # 4. Fuel trim Bank1 st -7,lt -3 Bank 2 st -30 lt -3 at idle. Fuel pressure 62 at wot, it isnt dropping when shut off. Did injector flow test and all were even drops. 02 stay... Trouble codes: P0300
2000 GMC Jimmy Diamond Edition 4.3L Hesitation, Cuts out VIN: 1GKDT13W0Y
Please help, tired of acting like parts changer. per our fuel psi tests all readings too low(58 koeo, 52 koer (idle), 56 psi koer wot. o2 sensors go to zero b1 26 b2 fuel trims way lean when accelerate heavy or wot. unplugged mass air flow although gm/sec rise... Trouble codes: P0131, P0135, P0143, P0151, P0300
1993 Honda Accord EX 2.2L No Start VIN: 1HGCB7572P
This is my personal car. A couple of days ago I was driving home and the car just stopped running. Got it home and found no spark or fuel pressure. Looking deeper I found the ecu fuse #2 under the dash blown. I replaced the fuse and it fired right up. Wouldn't...
2000 Honda Accord EX 2.3L clutch master cylinder VIN: JHMCG5554Y
I have never replaced one of these cylinders before and seek the advice of Honda techs who have more experience. 1) How do you disconnect the fitting that attaches the metal tubing to the master cylinder? There is so little room between the large intake manifo...
2006 Isuzu NQR 5.2L throttle, fuel system VIN: JALE5B1696
we have a 2006 isuzu in the shop for check engine light, no throttle- code p0093- we found #4 injector leaking- we replaced and still same issue- we swapped fuel pressure sensor and suction control valve from a known good truck, no repair-we checked low pressu...
2000 Jaguar XK8 4.0L trunk VIN: SAJJA42C1Y
veh was in shop for a door module issue. Tech removed the security and Locking module from inside the trunk and then the trunk was closed.the key will not open the trunk nor will the trunk release. How can I get the thing open. Thank you in advance.
1979 Jeep CJ5 4.2L Brake pedal
If you let the vehicle sit without pressing the brake for less than a minute when you do press the brake it goes almost to the floor and the vehicle starts to slow down but doesn't stop. If you let up and push it back down again quickly the pedal is solid, doe...
2004 Jeep Grand Cherokee Laredo 4.0L No Start VIN: 1J4GW48S24
I have this jeep, it will crank but not start. Unable to communicate with the proccesor to check for codes, the yellow light with the key will stay on. Battery is good, all fuses are good, when key is turned on none of the relays click, checked for power at th...
2007 Kia Spectra SX 2.0L Poor Fuel Economy, MIL Lamp on VIN: KNAFE12197
Thanks in advance for any help. Customer tried to replace his own spark plugs, and broke the front O2 sensor in the process. The car was towed in as a crank-no start. After wiggling the O2 sensor, the car would start. We replaced the sensor and the car started... Trouble codes: P0170 (fuel trim), P2195 (B1S1 biased lean)
2007 Kia Sportage EX 2.7L Stall, Misfire
First off thanks in advance.I have a 2007 Kia Sportage 2.7 V6,it was dropped off the other night customer complaint was stalling wont run starts up puts it in gear shuts off.Tech retreived a p0300,301,302,303,&305.The car runs fine for us drove approx 10 miles... Trouble codes: P0300, P0301, P0302, P0303, P0305
2004 Land Rover Range Rover HSE 4.4L pre charge pump check valve VIN: SALMF11414
vehicle has pedal going to floor slowly like bad master cylinder. replaced master cylinder and no change. clamped off suction hose to precharge pump and pedal is more firm but suction hose swells up like a balloon between pump and clamp. removed precharge pump...
2005 Lexus LS430 4.3L compressor VIN: JTHBN36F25
Vehicle came in with a/c down compressor clutch is engaged full time, no relay, actuated through the climate controller. The only codes were for sun sensors and since we were in the shop I undestand this is normal. A/C will fade intermittantly with no codes an...
1989 Mercedes-Benz 300E 3.0L No idle at all VIN: WDBEA30D7K
Hey all i'm geting a e300 in next week with no idle at all hot or cold.i'm not familiar with the cis-e system. I like to get some info, before i start next week.i checked iatn but coul'nd find much info. Thanks for any info. Rene
2003 Mercedes-Benz E55 AMG 5.5L Air Suspension VIN: WDBUF76J93
Test drove car was fine, parked car went to test ride again trans banging into gear, air ride on floor, all kinds of can communication codes, trans fluid leaking into passenger floor.
2003 Mercedes-Benz C230 Kompressor 1.8L Missfire Code VIN: WDBRN40J13
Vehicle came in about 6 weeks ago for a very slight missfire ,, scanned ecm and only codes where for cat efficency and one miss fire on cyl 2 , no other drivability issues here is what the car is doing ,, on a cold start up if you monitor the engine smoothne...
2006 Mercedes-Benz SL500 5.0L module VIN: WDBSK75F26
please help!!! this car is driving me to drink. and i dont drink... after changing ac control module cleared all codes and tested. found module would turn on then shut right off. pulled codes from system. found pass side sam with code b1026 ac control not tran...
1992 Oldsmobile Cutlass Supreme S 3.1L Poor Idle Quality, Hesitation, Surge, Misfire VIN: 1G3WH54T0N
this car has a dip in hesitation and Idles very rough when hot. I replaced plugs and wires with AC parts and an oxygen sensor witch helped with my o2 readings but not with the way it runs. The the Integrator numbers run about 90 - 100 at Idle but go up to 126 ...
2010 Other Asian NRR 5.2L MIL Lamp on VIN: JALE5W165A
Hi truck tech. This truck mil lamp on. No drivibility concerns. Do not have mid duty truck software here. Code has been clear, but will back a week late ! can somebody give me the description for this service code? thanks. Trouble codes: P003A
2005 Other GM american her 500CID compressor
make is fleetwood , american herritage motorhome, diesel pusher vin [...] compressor not energising, has volts in and out at relay, compressor test good. have no wiring diagrams for this vehicle. is the signal from t...
2005 Pontiac Sunfire 2.2L instrument cluster VIN: 3G2JB52F85
Hi all. This Sunfire came in with a complaint of the instrument cluster gauges inoperative. The theft, temp/fuel, and "service vehicle soon" indicators are lit up. All modules showed U-codes U1000, U1016, U1088, U1096, U1128, U1301. I cleared all codes and roa...
2005 Saab 9-3 Linear 2.0L starter VIN: YS3FB49S15
I charged battery but symptoms remained. I am unable to communicate with CIM using my Tech ll, Saab software and Candi. No codes stored in any system. Red light on dash gives 4 double flashes when key is inserted, as it should. ClearCom Technologies has checke...
2003 Saturn Vue 3.0L no power steering VIN: 5GZCZ63B73
This Vue came in with no power steering, i have checked with a tech II scanner, there is no DTC's. All the data is good except it says the vehicle is not running when it is, I have checked for good power and ground and it is good, it will not send power from t...
2000 Toyota Sienna LE 3.0L ignition lock VIN: 4T3ZF13C4Y
Hello IATN, We have a customer who needs the ignition lock cyliner replaced. I was wondering how do you tell if it has a security system or imobilizer ? I see there are 3 different possibilties for the lock cylinders on these vehicles. I think it is a security...
2001 Toyota Sequoia SR5 4.7L battery VIN: 5TDBT44A21
Customer stated that when she locks her car with the remote, the sidemarker and taillight stay on with key off ignition. Her vehicle would not start on the next day. I try to duplicated the problem and it was doing that for a few try. I turn the parking light ...
2007 Toyota Yaris S 1.5L Fuel Pump VIN: JTDBT92357
Is any one has a similar problem, if yes please help. Thanks in advance.
1999 Volkswagen Jetta TDI 1.9L Engine VIN: 3VWSF29M7X
Hoping someone can help me out. We are doing a valve job on a1999 1.9 TDI. We ordered gaskets from the dealer to ensure we got the right one. We have a two hole gasket. The problem is the alignment dowel(there is only one)will not fit through the hole in the n...
2003 Volkswagen Jetta TDI 1.9L Excessive Emissions VIN: 3VWSP69M33
Car runs great except after idling for 5-10 min.after that complete loss of power no throttle response lots of smoke.put car in park or neutral can rev it up put in drive and you can push faster than car will move.let it sit for 1hr or more runs great until u ...
2006 Volkswagen Jetta TDI 1.9L rear sealing flange VIN: VWTD1J2006
Replacing a leaking rear seling flange[aka rear main seal on a 2006 jetta tdi pump duece,apparently the only way to perform this operation is with a speacial tool #T10134,does anyone along the front range of Colorado have one of these I can rent to perform thi...
2006 Volkswagen Jetta TDI 1.9L Excessive Emissions VIN: 3VWST71K86
Hey Guys, This 2006 BRM Jetta has no power from a stop most of the time. If you floor it while acting up, the valves rattle and a ton of black smoke out the exhaust. Seems like a fairly common problem with these BRMs. I do all my scanning with a Snap-On MODIS....
2001 Volvo S40 1.9L No Start, MIL Lamp on VIN: YV1VS29551
don't see many volvo in my area. when @ operating temperature and during hot soak. complete lost of injector pulse. all data looks good. cts tps. spark and fuel pressure present. if it sits and cools it will start. injector resistance is 12.5 ohms. it misfires...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2002 Chevrolet Avalanche 1500 5.3L Unknown VIN: 3GNEK13T42
We removed the intake manifold and the valley cover and see parts of the camshaft. The very back lobe on the cam is pitted and feals rough. we told the owner they would need a cam and lifters but they want a complete engine. There are a lot of these engines ou...
2007 Chrysler PT Cruiser Limited 2.4L a/c orfice VIN: 3A4FY58B17
Low refrigerant- I feel like an idiot, but customer never complained of lack of cooling. Hooked gauges up and had 78lbs. with shop temp of about 75F and given that temp I expected it to cycle and didn't want to put anymore in figuring I was going to just rem...
2000 Dodge Ram 3500 5.9L calipers VIN: 3B6MC3666Y
After numerous conversations with the customer, discovered that this may have been an issue for a long while. They have had to replace front pads at very close intervals. After speaking with wagner tech help we found they offer a solution for this issue. Part ...
2004 Dodge Ram 2500 ST 5.7L Surge, MIL Lamp on VIN: 1D7KU28D64
After finding that the truck only misfired on bank one, I pulled the injectors and found them to be contaminated with debris, ended up replacing the injectors and fuel rail. Truck seems to be ok now. Thanks for the help! Trouble codes: P0300 (Random Misfire).
1992 Ford F-150 Custom 4.9L Stall VIN: 1FTDF15Y5N
Thanks to all Y'all for the help. We can call in tha dogs and piss on the campfire...This hunt is over. The truck would usually stall when shifting back to reverse. The tranny filter was just laying in the pan. Thanks in particular to Bob and the others who t... Trouble codes: 512 (Keep Alive Memory).
1996 Ford F-250 XL 7.3L Po1728 VIN: 1FTHX26F5T
well i got an update from customer today that the light had gone off for a week then today came back on again.i didn't get any info on if there is a way to verify a slipping condition.seeing how this is a old e4od without a turbine speed sensor the computer lo...
1998 Ford Explorer Eddie Bauer 4.0L Poor Idle Quality VIN: 1FMZU32E7W
the truck was taken , the customer decided not to spend any more money, thank you guys it has been a good learning experience
2004 Ford F-250 Super Duty Harley-Davidson Edition 6.0L no accel VIN: 1FTNW21P64
It's been two weeks and the customer reported that all is well.I replaced the ICP sensor and soldered in a new pigtail for the ICP sensor. Thanks everyone. Thanks to Harvey for the info about checking ICP voltage KOEO.I will be sure to do that in the future. Trouble codes: P0026, P0611 (FICM performance), P2614, P2617.
2006 Ford E-350 Super Duty 6.0L Misfire VIN: 1FDSE34P66
Thanks to everyone that replied. It turn out to be a bad injector like everyone said. Thanks for your help. Trouble codes: P0281.
2006 GMC Sierra 2500 HD SLT 6.6L Unknown VIN: 1GTHK23D96
Only three replies on this one. Customer decided to have us clean off the oil and reinstall his OE air filter box and intake. Possible plugged K&N filter causing the problem. It has been two weeks and no signs of leakage from the EGR.
1994 Honda Accord EX 2.2L Excessive Emissions
mainly it has been my fault for not explaining the facts accurate, everybody was seing the mechanical problem and not the electrical part i found a couple of cases in the archives similar to my problem, that was signal from computer cutting out for long time a...
2000 Honda CR-V LX 2.0L compressor VIN: JHLRD2843Y
ok this is what i did , finally got crv back in shop and i thought about soldering the cracked solder spot. but decided to go with a new pcm. installed new pcm and test drove this thing as if it were my personal car. after a week of driving all looked good on ...
1992 Jeep Wrangler 4.0L No Start, Hesitation, Cuts out, Stall, MIL Lamp on VIN: 2J4FY29SXN
2000 Jeep Grand Cherokee Limited 4.0L Misfire, MIL Lamp on VIN: 1J4GW58S4Y
Thanks to everyone who responded. After I scoped the #5 injector, I proceeded to replace it. I have got to show the other guys here how to use the scope AGAIN. It took all of 5 min. to find the injector at fault. I apologize for the vagueness of the request. T... Trouble codes: P0205, P0305.
2003 Jeep Liberty Renegade 3.7L Hesitation VIN: 1J4GL38K13
It looks like most guys that replied Nailed it. It was the Cam Sensor, and as most commented it is a good habitt to change both the Cam and Crank Sensors Together. Thanks again Trouble codes: P0320 (Crank sensor), P1299 (Vacuum leak), P0700 (Trans fault), P0725 (Engine speed).
2006 Jeep Commander 3.7L wipers VIN: 1J8HG48K76
The fix was a broken wire in the middle of the harness as Tim stated. Brown and Grey from wiper motor to ipm under the fuse box mounting bracket at the junction where all the the wires twist in every direction. Thanks again Seth
2006 Kia Sorento EX 3.5L Misfire, MIL Lamp on VIN: KNDJC73326
Well the vehicle has been gone for a few days now, spoke with the customer last night, all seems well. I admit as Chris from British Columbia suggested "the problem is with the repair" was the case for the original repair. When I replaced the gear and belt on ... Trouble codes: P0300 (Random Misfire), P0301 (Cylinder 1 Misfire), P0303 (Cylinder 3 Misfire), P0305 (Cylinder 5 Misfire).
1984 Mercedes-Benz 380SL 3.8L Long crank VIN: WDBA45AXE4
Customer needed car and took with long (4 to 5 second) crank time when hot. Car had no fuel pressure drop causing this problem. Fuel pump did not run when key was cycled to run position. I did not get time to confirm if it should on this car.
1998 Mercedes-Benz SL500 5.0L Alignment VIN: WDBFA67FXW
I went back over everything that we already did and even replaced some parts again just to be sure we did not receive a bad new part. I also replaced engine mounts. But the only thing that has helped was changing the cast camber specs and even then I still h...
2002 Mercedes-Benz CLK320 3.2L Turn Signal VIN: WDBLJ65G02
Took the steering wheel off and found a wire to be pinched between the clock spring and the steering shaft which was shorting out. Repairing that fixed an SRS light that was also on. Replaced the switch and it corrected the problem listed in this post. Than...
2001 Oldsmobile Aurora 3.5L Mode switch VIN: 1G3GR64H41
Ok, to get this switch out the transmission should be removed from the car. One post said it could be done in car but it was a pain. The park pawl rod is attached to the shaft linkeage and in order to get it apart you have to remove 4th clutch and the drum ben...
1997 Plymouth Grand Voyager 3.0L Mechanical VIN: 2P4GP2435V
When this customer gets the money, I am going to take the timing belt cover off to see what is leaking. I will post with the findings.
2000 Saab 9-3 2.0L Hesitation, no boost VIN: YS3DD5589Y
Customer has taken the car and will call me. Justin told me about checking the VSV valve for the "over run valve" (aka "the blow-off valve") by connecting the "boost pressure relief" valve directly to the manifold vac tree. No change, but a great tip. A...
2003 Saturn Vue 2.2L No Start VIN: 5GZCZ23D43
I was waiting a little while before closing this post as the problem was intermittent.After talking to customer about what lights were on and what functions were not working,we decided to replace the BCM.Customer had stated that,DRL were still on after vehicle...
2000 Toyota Tundra SR5 4.7L Brakes VIN: 5TBRT3414Y
Hello fello 'techies', I just finished unbolting the master cylinder from the brake booster (as many had told me from the get go)... The vehicle may now move and well, that's all I was helping out this customer/tenant of the family's shop premises. The custo...
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