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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for October 7, 2014
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Open Help Requests for All Makes and Models
Help Request Answers
1991 BMW 750iL 5.0L Poor Idle Quality, Misfire VIN: WBAGC8314M
Hi all, I have this problem car 750 v12. The car came in running in limp mode and misfiring. It was running on most cylinder except cylinders 9 and 12. You could not drive it over 25mph and it would not rev past 2500. I figured it would still rev and drive wit...
1999 BMW 750iL 5.4L engine/transmisison VIN: WBAGJ0338X
thanks for taking time to check this one out. car came in with a complaint of a delayed shift. upon inspection, we found very dark/dirty transmission fluid and recommended a transmission fluid service with filter kit. After the service, we test drove vehicle a...
2004 BMW X5 4.8is 4.8L Poor Idle Quality, Misfire, MIL Lamp on VIN: 5UXFA93544
Sorry for the long story but I've done a lot of testing. The vehicle came in with the engine light on and engine running rough, single cyl. misfire cond. Customer states,"the check engine light is on. The engine has a misfire intermittently. The coil and plug ... Trouble codes: 274E, 2742 (Misfire detection cylinder 1), 2744 (Misfire detection cylinder 4), 2746 (Misfire detection cylinder 6), 2748 (Misfire detection cylinder 7)
2006 BMW 760Li 6.0L Restraint system VIN: WBAHN03556
Hello fellow IATN'ers! We have a 2005 BWM 760Li with an air bag code that will not go away. The vehicle came into us with the trac light on and the turn signals not canceling. Diagnosed and replaced steering angle sensor. Now code "94AC System time fault" come...
2011 BMW M3 4.0L rear speakers VIN: WBSPM9C50B
hi bmw techs. I have the E90 with ccc-ask. no codes in audio using autologic. when the vehicle came in the complaint was no sub and rear speakers in doors and shelf clipped at higher volume. the amp fixed the subs, at least gave power to them. I found the righ...
2007 Cadillac DTS 4.6L Oil Pan VIN: 1G6KD57Y17
Engine oil pan needs to be replaced, My Question is for those with experience on this repair: do I remove the engine or the transmission? Either looks to be a pain in the ass. Which process makes more sense? Thanks in advance for your advice!
1998 Chevrolet Metro 1.0L MIL Lamp on, o2s2 VIN: 2C1MR2266W
We have been trying to squeese this through emissions test and drove it over 200 miles with "Cata Clean" in the tank. It would not get ready and the rear o2 is following the front. Customer is a working mom with no money. Finally it threw the p0420 again. I ge... Trouble codes: P0420
1999 Chevrolet S10 4.3L Hesitation, Surge, Misfire, MIL Lamp on
Truck came in with p0171 p0174 p0300 p0305 check injectors ok check compression 150 all check leak down test install new injectors new spark plug, wires, distributor rotor distributor cap, notice voltage at number 5 was 30kv the rest ok fuel filter was plugged... Trouble codes: P0300 (p0304-), P0304 (p0305-), P0305
2000 Chevrolet Express 2500 5.7L No Start, Stall VIN: 1GCGG25R1Y
Hi , every one this van has been siting for a while , we installed a reman. Engine , ignition switch was changed before engine go out on it.but now it starts and die . Security light stay on and code p1626 registered , i don`t think engine r&r should cause any... Trouble codes: P1626 (Security problem)
2005 Chevrolet Silverado 2500 HD 6.0L Starting VIN: 1GCHK29U05
Customer stated that truck died while driving and wouln't start. No Crank and instrument cluster lights and running lights stay on with the key out of the ignition. I found the battery flat dead. Installed a known good battery and symptoms are still there. It ...
2006 Chevrolet Trailblazer SS 6.0L No Start, Cuts out VIN: 1GNES13H66
Ok i have a doozie here. Vehicle runs great for about 30 minutes and then just all of a sudden dies out. Sometimes it just takes about 30 minutes or so to start back up but yesterday afternoon it took over a hour due to it being hot outside. I replaced the cra... Trouble codes: P0689, P0175, P0172, P1682, P2101, P0443
2007 Chevrolet Tahoe LS 5.3L Starts and Stalls, after fueling VIN: 1GNEC03067
Vehicle Starts, runs, and drives Normally, the only isuue is that after turning the vehicle off to fill with fuel it either starts and stalls, or cranks but wont start, no codes present, according to the driver at the last event 15 attempts to start vehicle we...
2007 Chevrolet Cobalt SS 2.0L Clutch VIN: 1G1AP18P97
Customer experiences hard shift effort and weak clutch pedal (intermittently). When customer first brought in car, inspected clutch hydraulic system -no leaks detected. Bled clutch hydraulic system and returned vehicle to customer. Approximately one week l...
2007 Chevrolet Avalanche LT 5.3L Excessive Emissions VIN: 3GNEC12J17
avalanche came in for check engine light and traction control light and Stabilitrak light on short term fuel trim is 0-6long term fuel trims on both banks are max. a24 I replaced fuel pump I replace mass air flow downstream o2 sensors smoked engine for vacuum ... Trouble codes: P0171, P0174
2005 Chrysler PT Cruiser Limited 2.4L Cuts out, Stall VIN: 1C3AY75S45
Customer complain that the vehicle is cutting off while driving. Test drove the vehicle indeed it does cut off now and then. No code found , another shop has replace the PCM and dealer CAM and CRANK sensors. Fuel pressure OK, compression OK ,spark plugs are ne...
2009 Dodge Ram 2500 SLT 6.7L Dpf VIN: 3D7KS28L79
Vehicle was towed in customer complained lack of power and DPF full message, now it will only start and die. No injector fault codes or anything else leading to a no start condition. I'm not a Cummins tech, not sure what to look at next.
1995 Ford Ranger STX 4.0L No Start VIN: 1FTCR11X2S
No start have fuel pressure no spark no comm with pcm with scan tool checked power and ground all good key on fuel pump stays running
1999 Ford F-250 Super Duty Lariat 6.8L Coolant VIN: 1FTNX21S0X
Hello wonderful IATN and people, I have this 99 F250 pick-up that pushes water into the oil continuously. It does not get oil into the water ever. This is the original complaint and we have not been able to fix this thing. We have replaced the head gaskets, (w...
2000 Ford Focus ZX3 2.0L Starting VIN: 3FAFP3136Y
Hi all. This Ford Focus came to me after sitting for two years without a battery and will not crank or start. The instrument cluster will not read the mileage and the ecu will not communicate with any of my scan tools. Is this also part of the PATS system disa...
2006 Ford Taurus SE 3.0L No Start VIN: 1FAFP53U76
I had this car come in 2 months ago. It was towed in because it died going down the road. Pulled codes, had ecu failure code. Replaced PCM and programmed. Started and ran fine. Here it is towed back in 2 months later and has the same 2 codes. If I run a koeo t... Trouble codes: B1342, B1601
2010 Ford Focus SES 2.0L temp gauge VIN: 1FAHP3GN7A
The temp gauge runs normal until driven. It will drop to cold and the temp light will come on. I can't find the actual coolant temp on our Genisys and my Bosch VCI will not read anything except generic info. It does not seem to be running hot or overheating. T...
2011 Ford F-350 Super Duty King Ranch 6.7L oil in coolant VIN: 1FT8W3BT2B
Vehicle came in with oil in coolant. At least six quarts oil transferred into cooling system. Removed oil cooler as normal cause of this condition. Pressure test oil cooler off vehicle and not leakage between oil ports to coolant ports or coolant ports to oil ...
2008 GMC Acadia SLE 3.6L Unknown VIN: 1GKER13738
got this Acadia in that boss recharged about a week ago.Front pannal discharge in middle duck wont go below 60f rear will go down to around 45f too outside vents near doors blow warm.evacd system pulld vaccume recharged with 2.32lbs of refrig r134a,still same ...
1997 Honda Civic DX 1.6L MIL Lamp on VIN: 1HGEJ6225V
Hello all, hope everyone enjoyed their summer! Can't believe it's October already!! This one has us scratching our heads. The vehicle is running rich, PCM is pulling about 30% fuel (LTFT stays around negative 14-18%, STFT stays about the same). We do not have... Trouble codes: P0170 (Fuel trim system malfunction), P0172 (Fuel system is too rich)
2001 Honda Odyssey EX 3.5L A/C system VIN: 2HKRL18691
Hello Techs, I'm having a very hard time with this 2001 Honda Odessey air conditioning. It came in with the complaint of not blowing as cold as it used to. I started with evac and recharge with just under 2lbs. of freon. system pressures after recharge are as ...
2005 Honda Element LX 2.4L No Start VIN: 5J6YH18365
customer tried doing his own starter. could do it. towed to me with intake off. also noticed that battery was hooked up but positive wire at starter was not. so I'm sure it was bouncing around when it was being towed. I put everything back together. cranks but...
2006 Honda Civic EX 1.8L compressor VIN: 1HGFA16886
Hey guys hope your all well I have a his civic here its wired turn ac on it will blow cold and out of no were it will just stop blowing cold.compressor turns off. Fans turn off so I turn the compressor back on some time it.will come back on and other the just ...
2007 Honda Odyssey EX 3.5L Shift Indicator VIN: 5FNRL38787
Hi guys. I have this Odyssey with no gear indicator in the dash. When you first turn the ignition switch on the P comes mon along with the D3 light, and after 5 seconds everything goes off. The tcm gives a code U0155 showing fault in the F can between Gauge mo...
1999 Jaguar XK8 4.0L Hesitation VIN: SAJGX2044X
There is intermittently a low performance message on the cluster, and according to customer the car feels like misfire and hesitation, we have not experienced the problem, however it has 2 codes, u1135 and u1041 the first is ignition status not obtained, and s...
1998 Mazda Millenia 2.5L Poor Idle Quality, Hesitation, Surge, Cuts out, Misfire, MIL Lamp on VIN: JM1TA2216W
We have a strange one today. The customer has worked on it themselves and have replaced a bunch of parts (dist,cap and rotor, mass air, fuel pump) but it still has the problem. It has a p0300 for misfire. What we have found is that when you accelerate normal o... Trouble codes: P0300 (Random missfire)
2007 Mazda CX-7 Touring 2.3L Cooling Systems VIN: JM3ER29347
Overheats suddenly at times, then gauge will sweep back to normal. Sometimes it blows some coolant out of the overflow tank when it does this. We tested for exhaust gases in the radiator using the blue dye test. Our dye turned yellow quickly. We removed the cy...
1997 Nissan Pickup SE 2.4L camshaft VIN: 1N6SD16Y6V
Good afternoon fellow techs. I am hoping some Nissan expert can chime in here and give me a answer. I believe the timing chain jumped a tooth or so when they stalled the truck on a mountain road, rolled backwards and dumped the clutch. The truck has not ran si...
2005 Nissan Pathfinder LE 4.0L Electronic VIN: 5N1AR18W95
After replace tcm / valve body. Can i flash the tcm with a maxiflash pro, unit. Or the j2534 passthru reprogramming tool. How many tech's have done this. Need help!! thomas p.
1992 Oldsmobile Cutlass Ciera 3.3L No Start VIN: 1G3AM51N7N
Vehicle came in for a no start. Was flooded bad and found bad wires and worn spark plugs. Replaced plugs and wires and got vehicle to run. Vehicle was running good when given back to customer. Two days later the vehicle got towed back with a no start. Now The ...
2007 Saab 9-5 2.3t 2.3L Excessive Emissions, MIL Lamp on VIN: YS3EH49G17
This 9-5 came in last week with the check engine light on. Found P0455 with Tech 2. Attempted to run evap integrity test. Test would not run.(with trans in park, no pressing of either gas or brake pedals, and engine in closed loop.) Actuated close valve and sm... Trouble codes: P0455 (Large evap leak)
1999 Subaru Legacy L 2.2L No Start VIN: 4S3BK4359X
This car is a crank no start condition. the check engine light does not illuminate and no communication with a scan tool. Power and ground okay at DLC. I replaced the main EFI relay (brown relay under dash drivers side) I have pinned out the ECM I have power, ...
2003 Toyota RAV4 2.0L Overdrive VIN: ACA2000203
Have a Rav 4 with a strange problem that I cannot get on top of. Initially the gearbox overdrive would intermittently not kick in. This got progressively worse and now the overdirve will only work when the vehicle is started from cold and only for about 5 mins...
2004 Toyota 4Runner Limited 4.0L Cylinder Head Gasket VIN: JTEBU17R74
This one is for those Toyota techs. Ive got a blown headgasket on a 2004 4runner with the 4.0. Im trying to decide if the oil pan has to come off in order to do the job. Mitchell says the oil pan has to come off which then requires dropping the front diff. I h...
2007 Toyota Prius Touring 1.5L Misfire VIN: JTDKB20U97
We have this Prius that has a random misfire on #1 cylinder. Have tried to swap plugs, coils injectors, checked compression, and valve adjustment. Checked intake for vacuum leaks, none. Always counts misfire on #1 cyl. Had set p0301 when it came in. Running ou...
2010 Toyota Highlander Hybrid 3.3L Tires/Suspension/Drivetrain VIN: JTEBW3EHXA
Hi, i have an issue with a 2010 Toyota Highlander Hybrid. The customer complaint was for a noise in the rear end and a shake on acceleration. We performed a road test to confirm customer complaints and inspected suspension, tires and drive train on the hoist....
2001 Volkswagen Passat GLX 2.8L Intermittent Battery Drain VIN: WVWWH63B41
Hi guys,, cannot find problem with this car,, battery will go dead over night sometimes in as much as 3 weeks before it will happen, sometimes will happen twice in a week, but usually will go longer,, every time we check no short found, any help on this would ...
2006 Volkswagen Passat 2.0T 2.0L Ignition lock/ key VIN: WVWEK93C66
WE service many VW and Audi vehicles here, and one of my techs made a mistake and tried to start this 2006 VW Passat with a so called "Smart" key that fits another customer's 2007 VW Passat. The car "Captured" the wrong key in it's ignition lock, and no matt...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2005 Audi A6 Quattro 3.2L Hesitation, Misfire VIN: WAUDG74F95
So I pulled the airhorn to spray some decarbonizer into the intake manifold. When I did this I noticed that the butterfly for the throttle body was buffering around when the engine was at idle. Wouldn't open up until around 3000rpm. Odd thing is there were...
2003 BMW 325xi 2.5L Variant codes VIN: WBAEU33493
This was a general request for engine and body codes on European vehicles. Thank you to all who responded.
1987 Chevrolet R10 Suburban Custom Deluxe 5.7L engine VIN: 1GNER16K9H
thanks for all the info found broken magnets in the dist replaced it with a new one and it is running good hope I can help you with some of your problems in the futher thanks again Bill
2000 Chevrolet Blazer LS 4.3L Hesitation, Misfire VIN: 1GNCT18W7Y
Alrighty. Here goes vehicle had bad inj timing as I stated was fixed with a complete distributer. Had tried just replacing worn gear but did not fix problem.Injection timing went from -11 to now reading -1.Then after repeated fuel pressure checks and inj leak ...
2006 Chevrolet HHR LT 2.4L steering VIN: 3GNDA23P56
Thanks for all the help on this one. U did go over most of the suggestions I received here on this site. I checked a lot of things on this car that were fine. I finally ended up setting the left camber to max neg (-1.7) and the right to max positive (-.2) Th...
1998 Dodge Ram 2500 5.9L Shift Points VIN: 1B7KF2368W
Well, we seem to have this sorted out. I rechecked the APPS and TV cable adjustment and all was well. I finally got the customer to tell me what the problem was. They thought the 3-4 shift was the 1-2 shift. I rode with them and pointed out each shift as it ha...
2006 Dodge Ram 2500 SLT 5.9L starter VIN: 3D7KS29C56
The customer didn't have me replace the ICM,but i'm suspecting that was the problem. Thanks for the replies.
2007 Dodge Caravan SXT 3.3L P1745 Limp in
thanks for all the help guys, sorry for the delay in closing but i wanted to be sure it didn't act up again. so the CVI was a little high on one of the clutch packs OD if i remember correctly and as we know 150K is borrowed time on any Chrysler trans. So some ...
2002 Ford Escape XLT 3.0L drive engagement VIN: 1FMYU04122
Tore transmission back down air checked found intermittent cross leak between forward clutches and direct clutch. Leak was at stator replaced pump all is working well now. Thanks for all your help and suggestions.
2002 Ford F-250 Super Duty XLT 7.3L No Start VIN: 1FTNX21EX2
Well, the vehicle was not able to be fixed. A known good injection module was installed, IPR valve was remove inspected and cleaned. IPR % is at 32 while cranking. Replaced the injector o-rings since it was cheap (used oem parts). Vehicle still shows very high... Trouble codes: P1212 (ICP Voltage not at expected level).
2000 GMC Sierra 1500 SL 4.8L backup lights VIN: 1GTEK14V5Y
I got plenty of good infoe but customer chose not to want to repair .thanks for help
2002 GMC Sonoma SL 2.2L timing chain tensioner VIN: 1GTCS19532
Customer admitted that he had not change the oil in this truck since last year when I redid the timing chain tensioner. This time we remove the oil pan from the truck to clean out all the debris, along with installing a new chain oiling plug (we did not inst...
2002 Honda Civic LX 1.7L No Start VIN: 1HGEM22672
I appreciate all the help that everyone offered. It is leaking compression past the Rings. I am not sure how all cylinders lost compression at the same time. Everything else is there timing is correct checked electronically and mechanically. It has spark it ha...
2003 Honda Odyssey EX 3.5L gauges VIN: FNRL18963B
Again thanks guys for the input. What we did was replace just the printed circuit board in the cluster. Research shows a lot of problems with gauges due to faulty circuit boards. All is good. Has not acted up since we replaced the board.
2005 Jaguar XKR 4.2L engine VIN: SAJDA41B95
Thanks for the help everyone, it was all very useful, as for the car, after being unable to locate the vcats label (because I don't believe it has one, no thanks to the local dealer who told me it has to have one ) I reassembled the car to send it to the deale...
1997 Jeep Wrangler Sport 4.0L engine VIN: 1J4FY19S7V
Jeep not fixed, customer took to cooling system specialty shop and they have had it for 2 weeks and still not fixed, they tried evans cooling system fluid that is garranted to drop 15 deg but it did not. this jeep passed every test when compared to another jee...
2008 Mazda 3 S 2.3L Limp mode VIN: JM1BK32318
thanks everyone who replied, i did check all connectors at pcm and tcm, the tcm is below the battery and did look very corrided, still would go into limp mode the next day, so we did replace the tcm and it has not acted up in three weeks . thanks again for all... Trouble codes: U0100 (Loss of comm).
2008 Mini Cooper S Clubman 1.6L Hesitation VIN: WMWMM43352
Sorry about the time frame on the close. It was the turbo the blow off valve replace the whole turbo BMW part .turn out great thanks for the rep
2002 Mitsubishi Montero Limited 3.5L Transfer case vibration VIN: JA4MW51R12
Thanks for the information everyone. I have waited about as long as I can to close this request, but the customer has yet to bring the vehicle back in for repair. I suppose they are just living with it for now. I recommended a torque converter because of th...
2007 Nissan Quest SL 3.5L MIL Lamp on VIN: 5N1BV28U47
Thank you, for the input everyone provided. I graphed both air flow sensors, while driving the engine rich with the use of propane and found a faulty air flow sensor on bank2, replaced sensor and everything is working great! Thanks, Eric [...] Trouble codes: P0174.
2009 Nissan Altima Hybrid 2.5L unknow VIN: 1N4CL21E39
thank you all for taking the time to helping me out.responses were correct accumulator is part of abs pump assy.is located on the right side {passenger side}behind engine toward cabin.price is $1500 plus tax,unfortunate i could not make the sale.thanks for you...
2006 Porsche Cayenne S 4.5L battery VIN: WP1AB29P96
I have decided to close as a no fix, the car has been OK since my posting but I really didn't find anything seriously wrong. When I first checked current draw I used a current probe but since the car was locked and armed I wasn't able to reset the probe regul...
2005 Subaru Outback VDC Limited 3.0L Alternator VIN: 4S4BP85C55
Hi all I would like to thank every one who replied to this, thank you. I double checked wirering as described by Richard from mich. ok and I decided to talk to napa about trying another alt. as this on just seemed weak they said they would let me try one but ...
2005 Toyota Tundra SR5 4.7L Abs,Speedometer VIN: 5TBET34155
after a lot of tracing wires and inspecting connectors I found that the truck had been involved in an accident previously and when the drivers door was repaired the wiring harness was left out of the looms and the harness had been smashed when the window was l...
1997 Volkswagen Jetta GL 2.0L MIL Lamp on VIN: 3VWRB81H0V
Ok, We slapped a bandaid on this car and are dumping it. The pump would not run when jumped. I installed a good used pump. That one would run when plugged into the car, but the code came back instantly. It has a ecu out of a golf in it. We tried the corre... Trouble codes: P1451.
2008 Volkswagen Passat Turbo 2.0L MIL Lamp on VIN: WVWJK73C78
OK guys thanks for the help. the issue was the camshaft phaser. we're not a hundred percent sure yet if the technicians taking the phaser off damaged it but the alignment notch on the phaser was sheared. also we found some slop in the phaser when it was in its... Trouble codes: P0016 (Cmp sensor g40/engine speed sensor g28 incorrect correlation).
2009 Volkswagen Jetta TDI 2.0L Egr VIN: 3VWRL71K39
after replacing both egrs and checking all wiring something else is triggering egr code.after hours of checking i found bad vac.line broken at pressure sensor.it was hidden by heat sleeve
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