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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for September 10, 2013
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Open Help Requests for All Makes and Models
Help Request Answers
1974 Audi 100 Series LS 1.9L Hose routing VIN: 8041073309
I'm hoping someone out there might have access to some old Audi info. I have a customer with a clean, great running 100LS that is in need of some TLC. I need a vacuum diagrahm for this little gem. Someone in the past has plugged off all the "emissions hose" in...
1993 BMW 325is 2.5L Hesitation, Surge, Sluggish acceleratio VIN: WBABF4318P
Vehicle came in with complaint of no power on acceleration. Verified customer concern. Feels like the transmission is in fail safe, checked for faults in transmission computer no communication to trans computer, swapped in know good trans computer still no com... Trouble codes: 069 (Knock sensor 2), 013 (Oxygen sensor), 201 (Oxygen sensor control)
1999 BMW 528i 2.8L Unknown VIN: WBADM6334X
This one is driving us crazy. Came in with no power steering assist and a belt/pulley type noise. We replaced the pump belt and pulleys. It still had a rough sound and chirp. The roughness was coming from the alternator so we replaced it. It is still chirping....
2000 Buick Regal LS 3.8L No Start
Car was originally towed in for a no start, found that if gas pedal was pressed would start just had to drive two footed or would stall. first thought was iac, tried tapping no difference, i actually have a gm iac so i installed it except it wouldnt even run w... Trouble codes: P0440
2001 Buick Park Avenue 3.8L Surge VIN: 1G4CW54K31
This one has me baffled. This is my own personal vehicle. I have been plagued with this surging issue for just over a year but has gone from very intermit to consitant now. The vehicle will start to have a surge/chug from around 46-60mph usually after torque c...
2004 Buick LeSabre Custom 3.8L Starter VIN: 1G4HP54K74
Hoping that someone can point me in the right direction. Car was brought in from a local used car dealer after he picked up at the auction. Claims that the car would start with a jump when he bought it. After removing the battery and having it tested (tests go...
1995 Chevrolet S10 LS 4.3L ABS Light VIN: 1GCDT19Z0S
Cannot communicate with vehicle control module in ABS Area engine data fine Larry
2005 Chevrolet Silverado 1500 5.3L MIL Lamp on VIN: 1GCEK19B55
Truck origannaly came in with code po 342 cam sensor signal low scoped sensor and found at times would lose signal.installed a new sensor from dealer and now we have a code po343 cam signal high.followed flow chart and one test says to check for shorted signal... Trouble codes: P0343
2007 Chevrolet Impala LS 3.5L pcm/bcm VIN: 2G1WB58K57
Hello GM techs,well I have a good one here. This car drove in to our shop with the complaint of not shutting off along with the wipers also not shutting off. The owner thinks that it may have been stuck by lightning because when he was visiting his son in Ft. ...
2005 Dodge Ram 3500 SLT 5.9L hvac system VIN: 3D7LS38C55
ok all this is the bosses dads truck..first time truck came in was in oct. 2011 with 62986 mileage..had to do a lof service and he said ac not real cool,so i noticed at that time looked like had new ac manifold hoses on it...our ac machine old enough doesnt we...
1997 Ford E-150 Econoline 4.6L shifter VIN: 1FTEE1464V
Hello and thanks in advance. We have a weird one here that has got us stumpt. The car is a 1997 Ford Econoline 4.6L. The problem with this car is that it will not shift out of park. Already changed the braked light switch. The weird thing is if we start the ca...
1997 Ford Explorer Eddie Bauer 4.0L engine VIN: 1FMDU34X2V
Vehicle is visiting me for the first time according to the customer it has been to the other shop over and over again for same code for the above issues they continue to return anyone else come across this problem tha can help
2004 Ford F-150 FX4 5.4L Mechanical VIN: 1FTPW14524
This 2004 F150, 5.4l has a rattling noise in the right hand timing chain, valve cover area near where the cam phaser/sprocket is located. The noise is always there and increases with RPM. I believe that the noise is from a bad cam phaser. I have not done this ...
2004 Ford Focus SE 2.0L Poor Idle Quality, Hesitation, Cuts out, MIL Lamp on VIN: 1FAFP34354
Question I have is does anybody know what the correct fuel pressure readings should be. Looking at Alldata it list 2 different ones. Under specs for fuel pump is states 35 to 70PSI but under pin point test is listed 70psi to 119psi. Backwards from the fuel... Trouble codes: P2135
2003 GMC Yukon XL 1500 Denali 6.0L abs VIN: 1GKFK66U33
replaceing brake lines on vehicle from bpmv back. had to remove tank and lost track of routing. cannot find labeling on which ports are for rear wheels, and which specfic wheel for each pipe. anyone have a diagram on line routing. its 6 ports, for channels 2 f...
2003 GMC Yukon XL 1500 Denali 6.0L abs VIN: 1GKFK66U33
Hello, I am looking for a diagram of the brake lines at the hydraulic control unit configuration on this vehicle.The brake lines were rotted and my tech pulled the lines off without marking them. I have found diagrams for the 5 line module, but this vehicle ha...
2007 GMC Sierra 2500 HD SLT 6.6L No Start, Stall VIN: 1GTHK23667
Hello guys. Hopefully someone can point me in a direction here, as I do not work on a lot of diesels. Backstory is customer has previously been in the shop a couple times with an intermittent hard start/no start condition. The truck has also died on him while ... Trouble codes: P2510
2001 Honda Civic DX 1.7L MIL Lamp on
We replaced the cat and about a week later a p0135 showes up. Heater not turning on, so we replaced the sensor and all was good for a day. Thought it was a bad sensor so we tried another and it was good for a week. Car came back, I ohmed the heater curcuit on ... Trouble codes: P0135
2004 Honda Pilot EX 3.5L power steering VIN: 2HKYF18544
Customer complains of a steering issue when turning at a clover leaf. The power steering assist seems to come and go causing the steering wheel to move back and forth without brakes applied. We can duplicate in our parking lot by turning steering wheel 90 degr...
2004 Hyundai Sonata GLS 2.7L Pcm VIN: KMHWF35H04
Another shop sent me this Hyundai after they replaced the TPS and cleared the codes. It failed the smog test because it won't complete the Readiness Monitor tests. I've driven it at least 100 miles and it still won't complete the Catalyst, EVAP, O2 and O2 heat...
2000 Jaguar S-Type 3.0L battery VIN: SAJDA01CXY
Customer brought car in with dead battery issues.checked for a draw,had 3amps at the beginning and after approx.45 minutes went down to 350ma.Did alot of research on fix data base and the usual other avenues.Man there is alot of battery drain issues.Before get...
2005 Jeep Liberty Limited 2.8L MIL Lamp on VIN: 1J4GL58555
Hello Jeepsters, this one set these three codes, were pretty sure the EGR system is our problem(clogged). Bothe Alldata and Mithchell have no info on how to remove the piping for this system and it look insane!! On Diesel engine's in the past it would has alwa... Trouble codes: P0105 (Turbo inlet pressure), P0401 (Low egr flow), P0101 (Maf preformance)
2000 Land Rover Range Rover SE 4.0L MIL Lamp on, random misfire bank VIN: SALPV1542Y
The problem has never happened for us, customer states it happens most often with engine not fully warmed up, and does not happen when engine is hot. We suspect it is coils but they do not fire all on one side. So what am I missing here. Thanks for the help. B... Trouble codes: P0300 (random misfire), P0301 (misfire cylinder 1), P0303 (misfire cylinder 3), P0305 (misfire cylinder 5), P0307 (misfire cylinder 7)
2002 Land Rover Discovery Series II SE 4.0L engine noise VIN: SALTY12432
Hi there, I'm at a loss here and any help would be greatly appreciated. We replaced a short block from Atlantic British, when we got the block the pistons had nick marks from valve contact but they assured me that they check everything and since I was running ...
1991 Mercedes-Benz 420SEL 4.2L power loss VIN: WDBCA35E9M
Hey Guys, I have a 91 Mercedes 420 sel, am having issues with vehicle randomly surging while driving, almost like you lift off accelerator, if you push gas pedal, the fuel consumption gauge moves like you are flooring the gas, but the car doesn't respond, is ...
1993 Mercedes-Benz 600SL 6.0L height control
Hey there MB techs. thank you in advance for any technical help you can provide for me. I have a 1993 Mercedes 600SL that was towed in. it has been stored for 2 years. I got it started but, the rear suspension is bottomed out and almost on the ground. I lifted...
2002 Mercedes-Benz C240 2.6L Surge, Stall, Misfire, MIL Lamp on VIN: WDBRF61J92
Car came in for oil and filter change. Customer called back next day, car runs very rough and dies at stops. Car came in, code P2054 and P2050. # 6 misfire. We replaced wires and plugs. They looked really bad. Code comes on when accelerating almost right away.... Trouble codes: P2054 (Misfire 6 Cylinder)
1998 Mercury Sable GS 3.0L EAM Airpump VIN: 1MEFM50U0W
Inspected 30 amp Maxi fuse. Remove fuse, and check for continuity from fuse block to connector for EAM solid state relay circuit A. Most of the time nothing showing on DVOM. Remove bottom cover for fuse block to inspect wire. There is a black plastic cover i...
1995 Mitsubishi Montero LS 3.0L Warning light VIN: JA4MR41H2S
The car came in with the ignition warning light on. Customer said it had been on since June but had taken the car to a service center where he was told the voltage was good. Tested the voltage and it was, indeed charging at 14.35 volts. Talked to a few techs i...
1999 Oldsmobile Intrigue GL 3.5L temp acuator VIN: 1G3WS52H0X
charged a/c blows cold on right side hot on drivers side replaced control head with used one now it goes to almost cold but not all the way. have tried a/c control mod. like tsb. says to do, still the same, have disconnected batt.to reset , still same. the tem...
2004 Subaru Impreza WRX 2.0L Hesitation, Cuts out, Misfire, MIL Lamp on VIN: JF1GD29614
car came in from used car lot. heavy missfire cly 1.cked comp. on all cly all are about 125ish switched coil packs seemed to do same thing . st fuel trim is at +24 lt at 0. cannot find vacum leaks. switch out maf sensor no change. switched injectors no change.... Trouble codes: P0301, P0304
2004 Subaru Forester X 2.5L No Start VIN: JF1SG63674
Hi there and help. I don't have Subaru's that have problems with crank no fire so this one has be mystified. Intermittently, the customer will go to start and it cranks but won't start. I had it act up once and it would crank and even at times seems like it wa...
1992 Toyota Camry LE 2.2L Headlights VIN: 4T1SK12E6N
I have all lights except high and low beams.NO head lights.Replaced the integration relay.replaced head light relay.All used parts.I have no power to the head light fuses or to the red and yellow wire to switch.Under relay/fuse panel i have power to both white...
1993 Toyota Camry LE 2.2L radio, clock
Hey guys this car is driving me crazy. It starts fine when cold. After it runs for 20 min. it wont crank at all. Small wire on starter has no power, radio and clock go off in crank position. Cool down for 20 minutes or so and everything works fine. Can't find ...
2001 Volkswagen Jetta GLS 2.8L Cuts out, Stall VIN: 3VWSG69M81
Hopefully someone has seen this before. The customer states that while driving the car it will die, dash lights come on and it will restart without having to stop the car. The reason she notices is it she feels a lack of power. It has done it to her about 6 ti... Trouble codes: 16825 (Evap), 16795 (Sec Air), 16525 (O2 sensor)
1993 Volvo 850 GLT 2.4L Unknown VIN: YV1LS5517P
HELP!! this volvo can in on a hook to the shop for a no start. I pushed the car in and it started right away. I tried to duplicate the problem several times but never could get it not to start,but it just had a bad misfire. I installed #4 injector, plugs, wire...
1998 Volvo S70 GLT 2.4L Cooling Systems VIN: YV1LS5647W
Engine oil cooler lines leaking- big, messy leak. A non-turbo engine has a "bypass plate" on the oil pan, where the turbo engine has the oil thermostat/cooler lines. the non-turbo "block off" plate is $20 the turbo oil cooler lines are $500 ball joints/brak...
2000 Volvo S70 GLT SE 2.4L no start VIN: YV1LS56D0Y
check for spark no spark no injector pulse good compression 150 psi on all cylinders, checked all fuse are good but found that number 4 fuse for ignition coil is not getting and power from main system relay, replaced main relay still no power to fuse 4, also c...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2001 Audi Allroad Quattro 2.7L Misfire, MIL Lamp on VIN: WAUYP64B11
Thanks for the replies, didn't mention I had already swapped the igniters also. A young man drives this vehicle, and it is a standard trans. Thinking he probably missed a shift under hard acceleration as the number 4 cylinder had a slightly bent valve. not sur... Trouble codes: P0300, P0306, P1454, P0304.
2006 Audi A6 3.2L mmi VIN: WAUDH74F56
Yes I replaced the mmi in central console. This took care of the rest of headache, thanks to all that helped me out. Nate
2000 Chevrolet C6500 Kodiak C6H042 7.4L tank overflowing
First of all,thanks to all who replied. Without your help I would have been lost on this one. We checked the sender on the right side tank and it tested good. Changed the module and problem solved. Thanks again for the help. Al.
2002 Chevrolet Suburban 1500 LS 5.3L Battery VIN: 3GNFK16ZX2
Thanks for all of the ideas. Some replies said to ck. for aftermarket accessories, some said to ck. transfer case module, and others said to ck. power seat switches. Others gave advise on their way to test for a load. It took a couple of weeks to get the custo...
2004 Chevrolet Monte Carlo LS 3.4L misfires VIN: 2G1WW12E14
Like to thank all they gave me information to look at. Found that fuel pressure regulator while running , had small amount of fuel coming out it. We replaced the regulator and now running smooth and no misfires. Thanks again to all that gave help in this probl...
2007 Chevrolet Silverado 1500 LT 4.8L locks gauge stability VIN: 2GCEK13C17
First Thank You to all who replied rechecked grounds, for chaffed harness,terminating resistor, bcm programming, problem still occured did find network test that had you dissconnect different modules and try to comm with EBCM, vehicle did not have most of thes...
2006 Chrysler Pacifica 3.5L EVAP system VIN: 2A4GN48446
Hey all sorry for the delay I wanted to make sure the car was fixed.Most of the replies were for things I had alresdy checked and tested.Jean from Ontario replied to test each component separately which is what I was trying to do with the NVLD. I new I had a p...
2006 Dodge Sprinter 2500 2.7L a/c cond fan VIN: WD0PD64476
ok the fix for this one was the pressure switch on the drier assy when I replaced it the condenser fan fan on but then I noticed when it was really hot out side the fan clutch would start turning really slow not pulling air across the condenser and after that ...
1995 Ford F-250 Eddie Bauer 7.3L trans shifting VIN: 1FTHF26FXS
First I would like to thank all members who replied to my request. Turns out that I blew the dome light fuse prying the headlight knob off. All of the information that you folks sent me about this problem has been printed and stored for future reference. Again...
1996 Ford Mustang GT 4.6L Oil Pan VIN: 1FALP42X6T
Sometimes we make it harder on ourselves than we have to. We raised the engine up as far as we could and fitted the gasket around the pickup tube and Voila, job done. Thanks for all the help.
2002 Ford Ranger XL 2.3L No Start VIN: 1FTYR10D42
Hello all and thanks for the quick input. This vehicle did in fact have a bad ECM originally. The CEL would be freaking out and setting random codes and just slightly moving the connector at the PCM made bad things happen. Rhett tipped me off on the directi...
2003 Ford Explorer Eddie Bauer 4.6L front differential VIN: 1FMDU84W53
hi everyone, all of you were correct, i marked the tires at the bottom and moved it 6 rotation in the driveway, the front tires were marked on the bottom and the rearwas about 4 inches off. customer declined to install new tires due to the fact we just put a f...
2006 Ford Freestyle SEL 3.0L Dem Module VIN: 1FMDK05126
2006 Ford F-150 XLT 5.4L engine noise VIN: 1FTPW14596
well, still pecking customer wants to drive his truck for awhile so he is going to bring it back later for more diag.
1982 GMC C2500 6.2L Stall VIN: 1GTGC24J3C
well, all of the replies were very useful. mechanical fuel pump had good pressure and flow. no air bubbles coming out of return line on top of inj. pump. I did replace some fuel lines that were wet and looked like they were leaking. truck will start for a few ...
1997 GMC C6500 Topkick C6H042 6.6L blower motor VIN: 1GDJ7H1J1V
First I want to thank all those who replied. You guys really got me going in the right direction. The fix turned out to be simple. I went to the fuze box to look at the circuit breaker and when I touched the breaker it was very hot. I replaced the breaker and ...
1999 Honda Accord EX 3.0L 1-2 shift VIN: 1HGCG165XX
Thanks guys for all the input, Iam gonna start looking for a good transmission. out here in the Bahamas these are hard to come by. Thanks again for all the input.
2001 Honda CR-V SE 2.0L ABS Module VIN: JHLRD18751
Thank you for the help guys. It turns out I was going about this wrong. I did not realize that the ABS light is on when scanner is connected and comunicating with the abs module. Turns out the customer was talking about his BRAKE light coming on intermittent...
2005 Honda Accord LX 2.4L transmission VIN: 1HGCM56445
the problem was the ecm ,today i got another car in the shop and i swampped the ecm on boot car and the problem changed from a car to another .thanks again
2006 Infiniti M35 X 3.5L Ignition VIN: JNKAY01F36
Vehicle was sent to Dealer by the local body shop. I spoke with the service manager and advise what I had done and suspected the problem to be in the intelligent key module. The dealer checked the vehicle out and concluded that the problem was with the intel...
1996 Jaguar XJ6 4.0L refrigeration VIN: SAJHX1745T
The problem with this A/C turned out to be a failed receiver/dryer. The dessicant bag inside the receiver had ruptured and was blocking the gas circulation. I got a new receiver/dryer and a good used condenser and installed them, evacuated the system and charg...
2004 Land Rover Discovery SE 4.6L Noise VIN: SALTY19424
2005 Volkswagen Passat GLS 2.0L Control Relay VIN: WVWAE63B05
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