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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for August 21, 2012
International Automotive Technicians' Network (iATN) - Members Only
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Open Help Requests for All Makes and Models
Help Request Answers
2000 Acura RL Premium 3.5L Srs VIN: JH4KA9663Y
when i clear the code the light goes out it blinks twice then comes back on the first time i had to drive it and then after that it comes right back on the trouble im haveing is that it wont give me codes when i jump the srs conector under the glove box it doe...
2001 BMW 740i 4.4L MIL Lamp on VIN: WBAGG834X1
I have smoked the system and found 2 leaks one from the breather valve that has the brake booster hose on it and the o-ring for the cam shaft sensor. I replaced both and both long term fuel trims go up past 20. I smoke tested after replacing the valve and the ... Trouble codes: P0171 (System too lean bank 1), P0174 (System too lean bank 2)
2007 BMW 750Li 4.8L No Start VIN: WBAHN83517
Hello all! I have a 2007 BMW 750LI that was towed in. Crank no start. Car has 50 psi of fuel pressure. Upon scanning the car it had several codes in the dme. I cleared codes in every module and re scanned. The dme is giving me a 2f44 code. EWS fault. Wondering... Trouble codes: 2F44, 93FC, A3B2, FFFF
1999 Buick Regal GS 3.8L No Start VIN: 2G4WF5213X
I have this supercharged Regal that we did some work on. One of my techs took it for a drive to refuel it and reset monitors and it stalled as he was driving. I towed it back to the shop and found no spark. Checked for codes and none found. Got out the vantage...
2003 Buick LeSabre Custom 3.8L High RPM VIN: 1G4HP52K93
I have a problem with a high RPM after the engine warms up. The idle speed is high in gear or with the A/C on. When idle is steady I can controll the idle speed with the IAC functional test. After warmed the idle speed sits between 900-1100 RPM and can fluctua...
1997 Chevrolet K1500 Cheyenne 5.7L Brake Lights VIN: 2GCEK19R9V
Brake lights didn't work on this vehicle, has power in to orange wire on brake switch, no power out on white wire. Replaced brake light switch, lights stay on all the time with a new switch. Tried 2 AC Delco switches and 1 Napa switch with the same results. Br...
1997 Chevrolet Express 1500 LS 5.7L 3-4 shift VIN: 1GBFG15R8V
Transmission guys please help!! This van came to me with a terrible clunking noise when moving. Confirmed noise coming from transmission(suspected planetary gears blown). Called my rebuilder who I have used many times with success, he built me a transmission &...
1999 Chevrolet C3500 7.4L Hesitation, Surge VIN: 1GCHC33J8X
Guys I need help. Chevy truck 7.4 comes in to the shop running fair. The truck was surging on the road and bogging down if you hit it hard from a stand still. Seem like a fuel problem. I test the pump and had only 48 pounds of pressure. I checked the spec. and... Trouble codes: P0157
2002 Chevrolet Malibu 3.1L Gauges Compressor VIN: 1G1ND52J12
Have a 2002 malibu, vehicle ahs been well taken care of, one owner car, started the car today and the temp and fuel gauges did not move, the a/c compressor clutch will not engauge either. These items were fine the day before, fuses are fine, a/c has correct ch...
2005 Chevrolet Colorado Z85 2.8L No Start VIN: 1GCCS19845
This is my bosses nephews truck. He drove it into town and stopped at the store. He came out and it wouldnt start. Ive ohmed out the clutch switch, scanned for codes, jumped the relay to get the starter to work and it works when I manually work the relay. When...
2005 Chevrolet Aveo LS 1.6L Cuts out, Stall VIN: KL1TD52635
Hello all, this little Aveo is kicking our butts. It will intermitently lack power/die after a hot restart(15-30 seconds) and a high electrical load(ie. lights, A/C & rear defrost, etc). We changed the battery & alternator when we found that they were not keep...
2006 Chevrolet Silverado 3500 LT 6.6L turbocharger VIN: 1GCJK33D96
I have an oil leak coming from under turbocharger. I'm following procedure in GM service information but am having trouble getting to exhaust pipes in back of engine. Does anyone one know of an easier way to remove a turbocharger on a 6.6 diesel? I'm thinking ...
2007 Chevrolet Silverado 2500 HD Classic LS 6.6L Dimmer Circuit VIN: 1GCHK23D07
Hello techs. Truck was brought in for no illumination of instrument panel lighting at night. Customer had already installed a new dimmer switch. I found codes b2610 and b2625. Aldata states that both codes could be for an open in the TBC 2A fuse circuit. So I ...
1995 Chrysler Concorde 3.5L No Start VIN: 2C3HD56F7S
Car was towed to my shop, I have no previous repair history with this vehicle. Will crank smoothly, and fire up for a second, but immediately dies. Cam and crank sensors DO have reference signal of 8 volts, as does the ignition coil. We've actually swapped ECM...
2001 Dodge Durango 4.7L Cuts out, Stall, MIL Lamp on VIN: 1B4HR28N71
The p108 will come and go along with the light not always being on. The stalling/cutting out on decel or just sitting there at idle is intermittent. Drive one day to and from work for 15 mins, no problems. Next day, same trip will stall on decel 5 times during... Trouble codes: P0108
2001 Dodge Grand Caravan Sport 3.3L windshieldwiper VIN: 2B4GP44341
customer brought in car and said wiper stickes and if the wipers are helped they will run one cycle. he had removed the arm to elimanate sticking arms,the motor runs then stops,if you help it along it will run only one cycle ,will it take a new motor are is it...
2003 Dodge Sprinter 2500 2.7L MIL Lamp on, Hard start hot VIN: WD2YD64103
Van came into us 1 month ago and would not start cold we found low psi pump was bad replaced was woorking just fine till now it now starts fine cold but hard to start hot found code p1190-08 went and did test and found it wants us to replace the ecm before we ... Trouble codes: P1190 (80- Fuel pressure solinoid circuits shorted ground or battery)
2008 Dodge Grand Caravan SE 3.3L Hesitation, Cuts out, MIL Lamp on VIN: 2D8HN44H28
When you make a acceleration, sometime the engine cut. I have replaced the crank sensor and the problem is still there with code P0339 and P1128.I've verified everything and I could find something. Somebody help me. Trouble codes: P0339 (crankshaft position sensor intermittent), P1128 (Closed loop fueling not acheived)
1998 Ford Ranger XLT 3.0L Pedal Function VIN: 1FTZR15U1W
Customer stated: While driving lost brake function. Got out to look around and notice fluid dripping from near Right Front wheel. Stated that he filled master cylinder with brake fluid and carefully drove the 17 miles to my shop. Upon visual Diag, determined t...
1998 Ford Explorer XL 4.0L Poor Idle Quality, Misfire VIN: 1FMZU34X7W
Have changed injectors and now white smoke comes out tail pipe. Have checked plug wiring ok. It has mis fire on 2 cylinders. Was running better before injectors were replaced. Have changed the 2 injectors that the cylinders were mifiring on and still no change...
2000 Ford Windstar LX 3.8L Instrument Cluster VIN: 2FMZA5149Y
My question here today is, how do you program the anti-theft in this car with ONLY 1 KEY. There's a guy that come to my shop and can program the cluster with only only 1 key. The code that appears is "B1213 Less than 2 (or 3 if equipped w/Valet key) keys". Aft...
2002 Ford Explorer XLT 4.0L Transfer case VIN: 1FMDU73E92
I've got an Exploder here I'm pulling my hair out on. Customer complaint was seems to be stuck in four wheel drive. Verified complaint. Noticed when sitting still and going from Park to Drive or Drive to Reverse, or when sitting still in Reverse, the transfer ...
2003 Ford Taurus SE 3.0L Cuts out, Stall VIN: 1FAFP53U23
Hi all i have this taurus that when first started the fuel pressure would be approx 35psi. After about two hours of continuous running pressure climbs to 68psi and fluctuates. I went through the step by step procedure from mitchell but seems to have a problem ... Trouble codes: P0191 (fuel rail pressure sensor circuit performance)
2004 Ford Freestar SES 3.9L oil pressure VIN: 2FMZA57654
This freestar owner was complaining about a soft ticking noise over a month ago, but the noise was intermittent and could not be duplicated at the shop. The only noise I ever heard sounded like normal engine noise to me. The van is now with me with a very loud...
1999 GMC K1500 Suburban SLE 5.7L No Start, Poor Idle Quality VIN: 3GKFK16R9X
Yes, I know the pressure is low but I'm not sure why. I have never worked on this specific rig before and don't know it's history. Customer said car would not accelerate over 25 mph. When I got it, the battery was dead so I replaced it. It fired right up and I...
2003 GMC Envoy SLT 4.2L MIL Lamp on, reduced power mode VIN: 1GKDT13S93
help!! car came in from another shop (again!). complaint was no acceleration. had codes po463, 1275, 1280, 113, 1635, and u1000. cleared codes and 1275 and 1280 come right back. computer was replaced and programmed, throttle body was repalced and pedal positio...
2002 Honda Civic Si 2.0L right side VIN: SHHEP335X2
I've got this Si where the customer states he hears an "atrocious" noise from the passenger side when turning right only when it's wet outside. As much as it's rained here in Florida, every time we drive this car we cannot get it to make a noise. I've seen pre...
2000 Jeep Cherokee Sport 4.0L Poor Idle Quality, Hesitation, Surge, Cuts out, Misfire VIN: 1J4FF48S0Y
This came from another shop that couldn't fix it. Runs bad. We have replaced the coil pack twice, crank and cam sensors once. We have synced the timing, replaced the ASD relay, replaced the oxygen sensors and finally the computer and has it programed for this ... Trouble codes: P1391 (CMP or CNK sensor intermittant), P1351 (Ign coil 1 primary circuit), P1352 (Ign coil 2 Primary circuit), P1353 (Ign coil 3Primary crcuit)
2002 Jeep Grand Cherokee Laredo 4.7L Unknown VIN: 1J4GW48N92
Customer complained about a chirping sound, mostly while driving on the highway, usually with the engine under load (2,500rpm). Duplicated noise, although I could tease it out at 35-45 mph with the engine under load. Thought it might be pad chatter; lubricated...
2000 Kia Sportage 2.0L Cuts out, Stall, Misfire, MIL Lamp on VIN: KNDJA7239Y
Hi everyone... I so hope you can help me. I installed the engine in this Sportage, having never heard it run. It idles, and revs up in the bay yet falls on its face under load. Suspecting a clogged cat, I checked vaccum and it showed about 6-10 when it idles. ... Trouble codes: P1115 (Ecm to TCM connection poor.)
2001 Lexus ES300 3.0L Soft pedal and poor braking VIN: JT8BF28G61
What I have here is a ES300 that has a very soft pedal and poor braking. The pedal has to be pushed all the way to the floor to get it to brake at all and even then braking is still very poor. I have replaced the right rear caliper(seized), rear rotors, rear...
2003 Lexus RX300 3.0L airbag light VIN: JTJHF10UX3
well lexus wiszards out there have this lexus here giving me greef came in about 500 mls ago with code b0138 short in p/t suqib lh ciciut(to b+) alright replaceed lh side pretensioner and reset light wala i thought well back again same code trying to follow al...
1982 Mercedes-Benz 240D 2.4L No Start VIN: WDBAB23A7C
Hello everyone and thanks for the input on this diesel. I have this 240D in that won't start intermittently. It seems to do it after it has cooled down. When it has been ran and warmed up, it will start right up without delay. I left it parked about 4 hours an...
1993 Mercedes-Benz 300SE 3.2L No Start VIN: WDBGA32E7P
Good injector pulse. No spark. Tried new coil and a good used module but no luck. Good powers and grounds. Good signal from CKP and CMP.There is a a square wave at the coil negative with wire disconnected , and oscilates between 3-4 volts , but when hooked up ...
1997 Mercedes-Benz E320 3.2L Idle System VIN: WDBJF55FXV
Hello mercedes techs: this car came in with no power or acceleration problems and unstable idle. Also with check engine light on and code po505. Before we replace anything we inspect the car for vacuum leaks and there were no leaks at all, fuel pressure always...
2008 Mercedes-Benz GL320 CDI 3.0L Rack and Pinion VIN: 4JGBF22E78
Dear MB-friends, SUV had the usual Rack and Pinion leak on the input shaft below protective cap. We installed the repair kit from the dealer: # 164.460.13.00 used MB oil. We followed the Service bulletin: LI46.20-P-051767 All went well, after bleeding rack...
2004 Mini Cooper S 1.6L coolant VIN: WMWRE33454
hello MINI techs and everyone on IATN. this mini will build pressure in expansion tank and over a short drive will blow coolant out past cap. initially i suspected head gasket but after performing leakdown test 4 different times and sniff test i can not find f...
1989 Nissan Pathfinder SE 3.0L intake/head gasket VIN: JN8HD16Y1K
Hey techs first time asking for a little advice here. I'll try to keep it short. I recently inherited this pathfinder and at first look did not see anything wrong with it. The only thing I knew about it is that it had been sitting since 2009 and driven sporadi...
1991 Oldsmobile Cutlass Calais 2.5L Stall, Backfire
So I performed previous work last fall. seemed ok when test drove, at the time. Now that it's warmer to hot it has been backfiring and stalling when coming to a stop. checked egr, previously.seemed to be working ok. Any and all suggestions greatly appreciated ...
2002 Pontiac Bonneville SLE 3.8L final drive vibration VIN: 1G2HY54KX2
any input would be greatly appreciated
2000 Subaru Outback Limited 2.5L clutch VIN: 4S3BH6861Y
Hi group, this vehicle came in with the clutch pedal to the floor, with a bungie chord so they could get the clutch pedal off the floor, the cust said it was slowly getting harder to get in gear, before it stuck to the floor. Anyhow I tried to bleed the system...
2007 Toyota Camry XLE 3.5L Poor Idle Quality, MIL Lamp on VIN: JTNBK46K87
Hi All, this camry came in with a check engine light on and high idle complaint. idle is at 1700 rpm and has cam codes,I dont see how these codes can cause a high idle,tested app sensors, they are good,tps shows 16% at idle, disconnect throttle body and idle ... Trouble codes: P0015, P0017
2000 Volvo S80 2.9 2.9L "Airbag Service Urgent" VIN: YV1TS94D0Y
Hi Volvo techs. "SRS Airbag Service Urgent" in message center. Fuses 7, 14 & 25 are fine but no power to controller pins 27 (from fuse 7) or 28 (ign switch 15 contact). And of course Vida won't communicate with SRS controller. Any thoughts where the break down...
2001 Volvo S80 T6 2.8L Rpm Vss VIN: YV1TS90D61
This car came in with a bad trans 3RD gear incorrect gear change ratio.. customer had a extended service plan so insurance co sent us a reman trans from engine and trans exchange in milwaukee.. Installed trans and it had a bad 4TH gear incorrect gear change ra...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2000 Audi A4 1.8L No Start, Stall VIN: WAUAC28D8Y
Hello everyone and thanks for the help. I put in a crank sensor and this one has been fine ever since. Thanks, Ron
2008 Buick Enclave CXL 3.6L a/c cut-out VIN: 5GAER23748
thanks to all who took time to read and respond. biggest problem with the diagnosis of this car was the fact that it had been through the ringer at another shop before we took a poke at it. apparently while they were testing, they must have backprobed the wiri...
1998 Chevrolet Tahoe LS 5.7L speedometer VIN: 1GNEK13R4W
Thanks for the replies.They gave me more to look at.As it turns out the problem must have been a poor connection in the harness between the vss sensor and the pcm. I checked the triger ring inside the transfer case using a borescope, I looked for any corrosion...
2008 Chevrolet Impala LS 3.9L cooling system VIN: 2G1WS55318
The PDC has to be disassembled & inverted to remove the harness connectors from underneath, locating the correct wires VIE schematic in the TSB helped, all the re-splices go toward the (harness side ) into the conduit confusing until you do one, we will see ho...
2005 Chrysler PT Cruiser Touring 2.4L rear hatch and dome light VIN: 3C4FY58B65
The Cause: VERY slight and sporatic short in the printed circuit of the outside rear hatch switch. When the brake light circuit was collapsed (release of the brake pedal), the resulting voltage spike was enough to send a signal across the short. Chased our tai...
1997 Dodge Dakota 3.9L MIL Lamp on VIN: 1B7GG23X2V
Thanks for all the responses. I haven't heard back in 2 weeks so I guess I fixed it. The dist sync was off causing the check engine light problem. Thanks Douglas for refreshing my memory on this, I had an S10 about 10 years ago kick my butt with the same probl... Trouble codes: P1391 (Loss of cam or crank signal).
2007 Dodge Caliber R/T 2.4L Pressure Control Solenoid VIN: 1B3HE78K57
2007 Dodge Sprinter 2500 3.0L engine VIN: WD0PE74557
Thanks to all who had replied. We have not completed repairs to this vehicle yet so I will have to post later to confirm what I am going to describe now as being the issue. This is the first Sprinter we have worked on and the first with the v-6. When we des...
1993 Ford F-150 XL 4.9L Hesitation, Cuts out, Misfire VIN: 1FTEF14Y3P
Vehicle sat over the weekend. Monday morning I removed the O2 sensor and test drove with no misfire felt, reinstalled O2 sensor but didn't plug in, still no misfire, plugged O2 sensor in, no misfire felt, test drove over 75 miles with no misfires. I have no i...
1999 Ford Explorer XL 4.0L engine VIN: 1FMZU32X7X
... well, it turned out to be an injector o-ring that was barely in the bore. why it didn't show up in smoke or gas tests unsure. replaced the spark plugs too, they looked like they are burning more oil than gas. thanks for the replies, helped me to focus on w...
2002 Ford F-150 XL 4.6L engine VIN: 2FTRF18W62
Okay for all you wondering... The dealership wouldnt say to much other than the truck needs a new motor and its gonna cost 5900 bucks. They say there pretty sure there was a foreign object dropped into the cylinder there just not sure what. I am positive there...
2004 Ford F-150 STX 4.6L Engine VIN: 1FTRX12W84
OK everyone thanks for the input. Everyone says not to try and use the engine out of the car. Even with everything I have found I am going to take your advise, and for my second part of this post it should be possible to change out the front spring mounts so I...
2004 Ford E-450 Super Duty 6.0L No Start VIN: 1FDXE45P24
We installed a new FICM, as some suggested. No luck, FICM logic power was still .5 volts. The Technician re-tested all power circuits and found he actually did not have power on Pin #8, Circuit 814 - which is the power logic circuit and actually gets its pow... Trouble codes: P1378 (FICM Supply Voltage Circuit Low).
2001 GMC Sonoma SL 2.2L Evaparator VIN: 1GTCS19511
time to close this post don't know just how to close as i don't know just what fixed it.To begin with i recharged it like I have many times before,next morning he called no cooling.changed high side service port and sealing washers back of compressor then it w...
1996 Honda Accord DX 2.2L wipers VIN: 1HGCD5521T
Thanks to everyone who took the time to reply to this. It ending up being the Integrated Control Module (Body Control Module). The problem was, it was not turning the ground off to the intermittent relay on the green/red wire. Following the diagram shows tha...
2006 Honda CR-V EX 2.4L Misfire, MIL Lamp on VIN: JHLRD68866
After replacing the spark plugs - way before Honda's schedule, I received many IATN suggestions to adjust the valve clearances. I adjusted them! They were not any more than .001" out of the specified range. However, they are now all in the proper range. And th... Trouble codes: P0300 (Random miss), P0302 (Miss at cyl 2), P0303 (Miss at cyl 3), P0304 (Miss at cyl 4).
2002 Hyundai Santa Fe GLS 2.7L MIL Lamp on VIN: KM8SC73D52
well Gentlemen, this one's fixed. thank you to everyone who replied with all good ideas to try. unfortunately we still had no sucess, so management here made decision to send vehicle to dealership. The dealers tech called me and said ecm until I told him we ha... Trouble codes: P0501.
2000 Jaguar XK8 4.0L trunk VIN: SAJJA42C1Y
Thank you for the help. This was a very odd situation. I Removed the license plate to see if I could access the latch cable. Was told that it could be reached through the lower right tag bolt hole. This model did not have lover holes. Another recommendation ...
2004 Jeep Grand Cherokee Laredo 4.0L steering VIN: 1J4CW48S94
first off thanks to eveyone offered help we put dual stabiler on it so far so good thanks again
2006 Kia Sorento EX 3.5L AC Compressor VIN: KNDJC733X6
Ok guys this one is fixed. After getting a different view of the wiring diagram of this beast, I noticed that the relay had another power source which was fed by the fuse for one of the radiator cooling fans. Checked fuse on the fans and found one that looked ...
2007 Kia Sportage EX 2.7L Stall, Misfire
I actually got the vehicle were it would idle rough & idle up & down but it didnt stall.When this was happening my crank signal was dropping out.Replaced crank sensor drove 20 miles,let it idle a couple hours drove again with no problems. Trouble codes: P0300, P0301, P0302, P0303, P0305.
2004 Mercedes-Benz CLK500 5.0L Mechanical VIN: WDBTJ75J94
I ended up replacing the oil filter cartridge and o-rings with a Mahle, let it sit overnight and had no lifter noise in the morning. Now it has been a couple of weeks and I did get a phone call that it had lifter noise and then the customer called back and sa...
2005 Mercedes-Benz E320 3.2L ESP Light On VIN: WDBUF65J25
While most of the replies were helpful in confirming what I was thinking the only ones that were right were the ones that said the sensor was bad and that the esp software may need to be updated. After taking the car to the dealer for a parts warranty we found...
1995 Nissan Pickup 2.4L No Start
well this vehicle is my own had lots of suggestions all of which i have tried problem is it doesent show its ugly head long enough to diagnois as i start testing different things all of a sudden it will start and run for weeks has to be intermitten will repos...
2001 Nissan Maxima GLE 3.0L Computrer VIN: JN1CA31A11
Thanks for all the help am trying to find a ecu right now
2002 Nissan Altima SE 3.5L Headlamps,wipers,a/c VIN: 1N4BL11E22
Fellow techs. Many thanks for the replies. The information on how to test the ipdm was very helpful. This car is fixed. The IPDM was the problem.
1992 Oldsmobile Cutlass Supreme S 3.1L Poor Idle Quality, Hesitation, Surge, Misfire VIN: 1G3WH54T0N
Thanks to all of you for the help. It ended up being the #2 Inj it was short out internally. Once I heated up the engine and pulled the plenum it was obvious all the Inj measured around 13 ohm's but the #2 Inj was at 3.4 ohm's. So I replaced the #2 Inj and the...
1994 Pontiac Grand Am SE 3.1L No Start VIN: 1G2NE15M9R
thanks fellow techs turns out ecm was bad customer had fan wired in 2 diffrent locations cause shorted thanks for your help.
2002 Pontiac Montana 3.4L No Start VIN: 1GMDX03E32
i noticed that when the vehicle was not starting the cam sensor was not picking up signal, i replaced cam sensor and everything is good so far. thanks keith
2004 Pontiac Grand Prix GT1 3.8L No Start VIN: 2G2WP52294
Well, I'm happy to report that after warrantying the ignition module and making sure there was ALOT of dielectric grease under it, I ran the vehicle outside of my stall for almost six hours yesterday with no failure. These modules are showing up here with eith...
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