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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for July 2, 2013
International Automotive Technicians' Network (iATN) - Members Only
(Also Available: All, Asian, Chrysler, European, Ford, GM.)
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Open Help Requests for All Makes and Models
Help Request Answers
2005 Audi A6 Quattro 3.2L Mechanical VIN: WAUDG74F45
we need to know what the proper procedure is to repair oil leaking fron the large black plates on the rear of the cylinder heads, can this be done in the car or does the engine need to be lowered and or removed.
1996 BMW Z3 Roadster 1.9L Starter VIN: 4USCH7320T
Very intermittent No Crank, can not duplicate the problem and the customer does not want the car back untill its fixed! Customer say it's happens cold and hot It may start if it sits for a while It always push starts No codes, and I havent been able to dupl...
2001 BMW X5 4.4i 4.4L Manual Lever Position Sensor VIN: WBAFB33511
Vehicle came in with transmission went into limp mode and was weak on power. Then the customer shut off and it would not restart, so it was towed in. We first put on the manual lever position switch and no change, did this because we could see the tcm was not ...
2001 Chevrolet Express 3500 5.7L brakes VIN: 1GAHG39R41
van came in with brake pedal hard first 2 or 3 times, then it is fine for the rest of the day. replaced booster,same thing,replaced power steering pump, same thing, any idea's on this one? the power steering works fine all the time.
2005 Chevrolet Silverado 3500 6.6L Hesitation, Cuts out, Stall, MIL Lamp on VIN: 1GCHK33275
Wires have been tested from cam sensor to PCM all ok, the connectors have been inspected for loose or damaged pins. The PCM has been replaced with a GM unite. The cam sensor has been replaced. With the engine running cam sensor is present but on watching the m... Trouble codes: P0016 (Crank and cam variation)
2006 Chevrolet Cobalt LT 2.2L Surge, MIL Lamp on VIN: 1G1AL55F16
hi has intermittent problem when happens dash lights flick on and off, shifts erratic when driving,loses power steering. I have not drove when working bad when in shop it malfunctioned for about a minute by the time I got scan tool connected it stopped. after ... Trouble codes: P0700, U0073 (Can communication)
2012 Chevrolet Express 3500 LT 6.0L Hesitation, MIL Lamp on VIN: 1GAZG1FGXC
Van came into shop with problem of dying out 3 times up at 8k foot level at Mauna Kea. Pulled codes P0332, P0336 P0341. Van starts fine, idles fine, but as soon as you put it in gear and under load it hesitates. More gas you try to feed the worse it gets. You... Trouble codes: P0332 (Knock sensor 2 signal low voltage), P0336 (Ckp sensor a 18/24x signal performance), P0341 (Cmp sensor circuit signal performance)
2005 Dodge Dakota SLT 4.7L reverse lights VIN: 1D7HW42N35
truck had an issue where the radio would quit,the amber abs light and red light on dash would flash rapidly,not much but it has these codes in it. b1668,b106b,b212d and it did have a u1120, cleared and test drove,the b1668 and b106b reoccur,the b1668 is for re...
2006 Dodge Ram 3500 SLT 5.9L Air Cond Clutch VIN: 3D7MX48C06
Hello all,truck was in for a/c no cold air.found no clutch coil operation,system full.connected scan tool.codes p1274,p0073/p0483/[...]/po513/po514.contacted customer any other symptoms.truck was also overheating on long climbs.started diag with p1274 flo...
1998 Ford Ranger Splash 3.0L Excessive Emissions, No Start, Poor Idle Quality, Hesitation VIN: 1FTYR11U4W
This is my dad's truck, So I am stuck with this problem... It regularly stumbles while cranking/starting, and has a hard time starting. Sometimes hot, sometimes cold. It is pretty clear it is flooding out. This has a returnless fuel system. There is a "pulse d...
2002 Ford Ranger Edge 3.0L MIL Lamp on VIN: 1FTYR14U62
Good morning all. Here I am begging for an education once again. Ford and I do NOT get along and I'm beginning to think it's personal! So here goes, I have this Ford Ranger that the fuel trims are way off. LTFT Bank 1&2 are both @ -30.5%. STFT Bank 1&2 are at... Trouble codes: P0172 (Bank 1 Rich), P0175 (Bank 2 Rich)
2002 Ford Explorer XLT 4.0L transmission VIN: 1FMZU73E92
hi i have a 2002 explorer 4x4 that i just bought. the car drives fine but it shifts late at times and the trans oil is leaking from the vent hose i thought it was my pump seal so i changed that, i had drained the torque converter and transmission and put nine ...
2003 Ford Focus SE 2.3L battery VIN: 1FAFP34Z13
need ford dealer guys experience here. I've been playing with this focus for over a month on and off. The complaint is that the battery will be dead overnight. Of coarse when its in the shop it doesn't do it. We have replaced the battery and cleaned every grou...
2004 Ford F-250 Super Duty XL 6.0L No Start VIN: 1FTNW21P14
Thanks in advance to all 6.0 techs who may be able to help. vehicle came in for stalling after running (normally) for a short period of time issue. checked all voltages ,and pressures. determined that injector voltage was dropping to 38 volts, and engine woul...
2005 Ford Escape XLT 3.0L No Start VIN: 1FMCU93125
This vehicle was towed in because the middle rear ignition coil caught on fire and burned the bottom of the plenum. I replaced all of the coils and spark plugs with motorcraft parts. I repaired two of the coil connectors that were burned. I sent out the ecm to...
2006 Ford F-150 XLT 5.4L front hubs VIN: 1FTPW14576
this vehicle when switching from 2h to 4 h it clunks and ratchets unless you stop and once it is engages its ok, we replaced both wheel bearings and the IWE twice and no different
2007 Ford F-150 XLT 4.6L Instruments VIN: 1FTRW12W37
Truck came in with the complaint of gauges intermittently quitting. We diagnosed it as a bad IPC. Before changing out the old IPC I downloaded the information to the IDS, or I thought I did. I put in the LKQ recycled IPC. The gauges work fine but the mileage...
2010 Ford F-150 FX4 5.4L Surge VIN: 1FTFW1EV7A
2We replaced B1S2 oxygen sensor. Cleared codes and code 2096 came back after short drive test. Monitoring both post cat 02 sensors, B1 sensor reads .65 - .72 and B2 sensor reads .42 - .48 at idle. Not sure where to turn next. Appreciate any help you can provid... Trouble codes: P2096 (Post Catalyst FT system too lean Bank 1)
2007 GMC Sierra 2500 HD Classic SL 6.6L No Start
This vehicle was brought to me as a crank no start condition. After diagnosing the problem I found out that the actual fuel pressure pid while cranking was only 300 psi while the desire pid was 6500 psi. I made sure the fuel system primed up,checked for leaks ... Trouble codes: B0414, B1025
2001 Honda Odyssey LX 3.5L 1-2 shift
They installed trans and said it shifted harsh and had a dtc for 2nd pressure switch. They installed a honda switch and now the trans lockes up in 2nd gear. I think that the 1st clutch isnt releasing.
2007 Honda CR-V LX 2.4L keyless entry VIN: JHLRE48347
Thanks in advance for your help.i have this crv with keyless entry problems.when you hit the lock button with the remote the lights flash and horn sounds(beep beep beep)and the locks repeatedly lock for over 30 seconds when you hit unlock they unlock repeatedl...
2000 Jeep Grand Cherokee Laredo 4.7L Misfire, MIL Lamp on VIN: 1J4GW48N6Y
This one came in because the check engine light is on. The customer said it would shake at times but not very often. I ohm check the injectors - they all check roughly 15 ohms. Check the circuit from the PCM to injector - ok. This problem is very intermittant ... Trouble codes: P0201 (Injector circuit), P0301 (Misfire 1)
2001 Jeep Cherokee Sport 4.0L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1J4FT48S61
The truck drives well most of the time. When you decelerate the check engine light will flash and P0301 (misfire cyl 1) sets. I've driven it many times and found that as I coast to a stop from 50 mph the misfire counter (on the snap on solus) will climb fo... Trouble codes: P0301 (misfire cyl 1), P0306 (misfire cyl 6)
2011 Kia Optima EX 2.4L Srs VIN: KNAGN4A7XB
Replaced air bag module need variant coding number to be able to set up module, vin# [...]
2003 Lexus IS300 3.0L Ac VIN: JTHBD19253
This Lexus came in about a month ago and the compressor wasn't creating any pressure at all. Customer installed his own compressor, expansion valve, dryer and flushed system, brought it back to be recharged. Once evacuated and charged the high side pressure wa...
1993 Mercedes-Benz 300CE 3.2L compressor clutch VIN: WDBEA66E9P
One for you Mercedes Moguls. Got this 93 300 CE with no a/c compressor clutch engagement. I got called in, in hopes that my I-Scan might be able to help but to no avail. When the car originally came in it had very hi, hi side pressure. Shop changed out compres...
1997 Mercedes-Benz C280 2.8L compressor clutch VIN: WDBHA28E1V
got this mercedes for inop ac. hooked machine up and found next to no freon in system did a ac service and added recomended amount of freon. started vehicle up ac started working blows cold. had vehicle running for a few minutes checking for ac leaks when i no...
2001 Mercury Villager Sport 3.3L Stall VIN: 4M2ZV12T01
Hi, to all the tech. Out there. This minivan came in due to stalling , check fuel filter ,i can say %75 cluged up. Installed the new one, test drive really good . Delivered to customer, about an hour later she called and informed us that van stalled again. We ... Trouble codes: P0325, P0335 (Crank sensor falier)
2005 Mini Cooper 1.6L Power Steering VIN: WMWRC33585
Hello Group, This Mini came in with complaint of no power steering. Checked power and ground to pump motor and both good. Checked 5amp fuse at position F39 and found it was blown. We replaced it only to discover that we STILL had no power steering assist AND n...
2005 Mini Cooper S 1.6L MIL Lamp on VIN: WMWRE33475
Performed service on vehicle as well as valve cover gasket, plugs, wires, oil change,etc. Had code for rear o2 heater malfunction (P0036). Test sensor heater circuit was bad replaced with NTK sensor. Attempt to clear codes after repair and the P2096 wont go aw... Trouble codes: P2096 (Post Catalyst Fuel Trim lean bank 1)
2007 Nissan Sentra SL 2.0L air bag VIN: 3N1AB61E77
Hi fellow techs ive got this 07 Nissan sentra that was sent to me by a local body shop to find out why air bag light was on.the veh. was in a slight front end accident(AIR BAGS DID NOT DEPLOY). when i scanned codes i had 2 codes. a b1049 and a b1054 stored(dri...
1988 Pontiac Grand Prix LE 2.8L engine VIN: 162WJ14W1J
ok, this unit runs ok untill hot,,190-200 shuts down/ will run with a little help on gas in air cleaner needing some input on this one, back log after a 30 day spritual retreat,,,humbly bob [...] kinda of thinking o2 heat sensore dropping volage but have 5v...
2000 Pontiac Sunfire SE 2.2L head lights/day time running lights VIN: 1G2JB5245Y
I have checked connector c101 and all the splices related to the daytime running lights and the low beams. the high beams do work. what could i be missing. any help would be great.
2006 Pontiac Solstice 2.4L Engine VIN: 1G2MB33B26
Did a water pump replacement on this Soltice. Coolant was leaking from it quite profusely, and had a whine type noise in that area. We bought the tool that holds the balance shaft gear in place, and purchased a Delco pump from the local GM dealership. Replacem...
1996 Toyota Tacoma DLX 2.4L Poor Idle Quality VIN: 4TAVL52N3T
Hello iatn techs need your help with this car that was brought to me from another shop that after replacing allthe parts listed could not figure out why the engine revs. Up and down like it has a bad iac valve, I was able to command the iac up and down with sc...
1993 Volkswagen EuroVan CL 2.5L Cuts out
Hi all in IATN land. Thanks for taking time to read this post. This Euro van came to me after a back yard guy did his best to %#@#%^$ every thing he could on this van. After taking care of the timing rig, replacing plugs, wires, cap and rotor it idles ok. The ...
1990 Volvo 780 2.3L Fuel injectors VIN: YV1HA8726L
Need some Euro help everyone. Customer states it has been intermittently hard starting for a while. Now a total no start. Has spark on all cyls. No injection pulse, has key on power to both terminals of injectors. I know you want fuel pressure but I can hear t...
2005 Volvo V70 2.5T 2.5L Hesitation, Surge, Cuts out, Stall VIN: YV1SW59265
This Volvo is giving some issues. I have so many jobs to complete I haven't much time for diagnostics. The customer brought in the vehicle stating sometimes stalls, bucks under wide open throttle. Codes pulled as listed above. I suggested the fuel pressure sen... Trouble codes: 290C, 280B, 280C, 212C, 21EC

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2005 Acura RL 3.5L Compressor VIN: JH4KB16595
Ok. First of all, big thanks to James from California, who was not only helpful, but was also the only person who apparently read the update to the request. Maybe I was clear enough in the update, but what I was trying to get across was that there was no gro...
2002 Cadillac DeVille DTS 4.6L ride control VIN: 1G6KF57902
Hello,hope all is well.I had 3 replies to my post,i couldn't use the strut master kits because as mentioned in my post i had already purchased the monroe kit.Andrew from ontario suggested finding the specs for the sensors in Alldata or Mitchell,but for the lif...
2000 Chevrolet Cavalier 2.2L Excessive Emissions, Poor Idle Quality, Hesitation, Surge, Misfire, Poor Fuel Economy, MIL Lamp on VIN: 1G1JC1248Y
First thing is to thank all the guys for your help. Despite low compression numbers, customer installed aftermarket wrong sensors, exhaust leaks everywhere, a lean code (171) and black plugs we decided to follow a few guys that said "upstream O2". Well after 1... Trouble codes: P0171 (System lean).
2002 Chevrolet Blazer LS 4.3L engine VIN: 1GNDT13W02
this veh is a distributor cap eating animal but fuel pressure was the original problem[30 psi]after pump replace ment it got a hard start long crank n it was like all atn members said,fuel regulator had a dribble of a leak.replace and all is good.thanks agai ...
2007 Chevrolet Avalanche LTZ 5.3L Poor Idle Quality VIN: 3GNEC12007
thanks everybody for the help.The answer came from identifix throttle need to be relearned.Whith scanner look for module set-up,enter then look for idle relearn. Trouble codes: P0121.
2007 Chevrolet Silverado 2500 HD LT 6.0L ABS module VIN: 1GCHC24K87
Thanks for all of the input. This was a strange one. I had the scan tool hooked up and still had no communication and the lights were still on after many hours looking at all of the possibilities. I looked at a circuit printout I found online and noticed the t...
2006 Chrysler 300 C 5.7L compressor and radiator fans VIN: 2C3LA63H86
Thank you to the people that had suggestions on the problem but at the end it ended up being a clogged up condenser since the condenser and drier are one assembly.
1999 Dodge Grand Caravan SE 3.3L Won't Pass readiness VIN: 2B4GP44R0X
We sent the vehicle to the dealer so they can force test it. We have not heard back from them yet. We would have been able to get through emission but the vehicle had previously failed for evap so we needed it to preform the test. Thanks for all the help and s...
2003 Dodge Durango Sport 4.7L MIL Lamp on VIN: 1D4HS38N73
Thanks for all the help, I found the Fuel Vapor Leak Detection Pump, under the vehicle on the left side, near the canister in front of the gas tank, beside the transmission. But to repair this vehicle, I also replaced the Canister Purge Solenoid. I turned the... Trouble codes: P0456 (EVAP Leak).
2000 Ford Mustang 3.8L shakes VIN: 1FAFP4445Y
the amount of information was unreal but the owner has spent all his available funds customizing the car instaed of repairing the car properly and time will tell what tyhe fix will be
2001 Ford Focus SE 2.0L Poor Idle Quality, Stall VIN: 1FAFP34P31
Well this was a mess - couldn't get to the bottom of it working for a cheap used car dealer that wants everything fixed yesterday for free so I only checked a few more of the possible help given such as pulling belt off to disable alternator and checking timin...
2001 Ford F-250 Super Duty Lariat 5.4L No Start VIN: 1FTNX21L71
Unfortunately the customer took the truck and is going to replace the engine with a salvage yard one himself. My gut instinct was the timing chain had probably jumped but will never know for sure. Thanks to all that replied!
2003 Ford Taurus SE 2-Valve 3.0L Poor Idle Quality, Surge, Cuts out, Stall VIN: 1FAHP55433
Alright,sorry its been so long getting back.we had some parts problems.I replaced pcv valve and hose,we then smoked enginge found no leaks.Fuel trims always looked good.Decided to try computer.Had ecm sent in pre programed to vin.Someone screwed up and program...
2003 Ford Focus SE 2.3L Suspension VIN: 1FAFP34Z93
Many thanks to all who replied and the fix was the ubiquitous worn, saggy right engine mount which allowed the engine to occasionaly "thump" the frame when driving and produce the customer complaint/noise. I replaced all three drivetrain mounts and the vehicle...
2004 Ford F-150 Heritage XLT 4.2L Speedometer VIN: 2FTRF17214
thanks for the help. the customer never returned to get repairs
2004 Ford Escape XLT 3.0L MIL Lamp on VIN: 1FMYU031X4
Thanks for the replies. Like I said, the PID graph looked an O2 sensor, then it would fix itself. IDFix guy did some looking before he called, found a Ford Secret Service Message, that I can't find anywhere, that if you have P0451, 452,453, unplug the Power St... Trouble codes: P0453 (Fuel tank pressure sensor performance).
2005 Ford Explorer XLS 4.0L Trans Not Engaging VIN: 1FMZU62E55
Thanks to all whom replied, I pulled trans again, replaced torque convertor, press relief valve, resealed pump and changed o-ring on internal pump gear, reinstalled trans on friday, this is now tuesday, with no dreaded phone call from customer, thanks for the ...
2007 Ford Focus SES 2.0L Poor Idle Quality, Hesitation, Surge, Stall, lack of power VIN: 1FAFP34N27
We found some bad connections in the engine harness at the main plug near the t-stat cleaned them have not had any problems since. Thanks for all the help.
1996 Honda Accord LX 2.2L No Start VIN: 1HGCD5539T
I Closed this request the same day not sure what happened? It was the ground wires at G101 all four were cut off you could see someone used a knife to cut Repaired and fired right up Thanks for your help IATN is the best
2004 Honda Accord EX 3.0L front cylinder head VIN: 1HGCM66524
Customer decided to trade rather than fix this car. Oil flow was checked and was good to both heads. Always used Mobil 1 - changed regularly. Noise sounds like one valve in the front head.
2007 Honda Civic DX 1.8L refrigeration VIN: 2HGFA16347
After many postings, it was the clutch assembly that eventually burned out the coil and the relays, I hit the clutch while system on and it kicked in for a while. Another garage had changed the relay twice and the thermal protector so as some suggested the cau...
2008 Hyundai Sonata GLS 2.4L Poor Idle Quality, Hesitation, Cuts out, Stall, MIL Lamp on VIN: 5NPET46C38
Owner is tired of car and not willing to spend any money on it had it picked up, with a tow truck, and trading it in on a new Ford. Trouble codes: P0011 (Cmp-timing over advanced or perf.).
2001 Jaguar S-Type 3.0L electric struts VIN: SAJDA01N51
We checked the module and it did have water traces on it, thanks for that tip. We called Jag. and the module comes as a plug n play unit. BUT before you can switch modules, it has to be programed for vehicle specific app. at Jag. Before we went and spent any m...
1990 Jeep Cherokee Pioneer 4.0L Hesitation, Cuts out VIN: 1J4FT38L0L
This jeep was fixed. Thanks to all 11 techs who took time and respond my post. The fix was that I pulled the distributor out and advanced one tooth to compensate the slag on the timing chain.I took the advise from some of you and it works on this one. Thanks s...
2006 Mercedes-Benz C230 Sport 2.5L Hesitation VIN: WDBRF52H86
Ok Guys, as you guys all said, Balance shaft gear is worn out. We removed the engine, tore it down and found the issue. All I can say is WOW what crap. Anyways, not fixed yet but we are waiting for parts. I guess we will be seeing a lot of these jobs soone...
1999 Mercury Grand Marquis LS 4.6L Heater VIN: 2MEFM75W0X
I replaced the blend door motor while I had the dash removed and so far it is still working good. Thank you to the professionals that read the whole request and respond with good advice.
2001 Mercury Grand Marquis GS 4.6L dome light VIN: 2MEFM74W81
have to close with out fix did not get car back thanks for the advice
2009 Mini Cooper S Clubman 1.6L No Start VIN: WMWMM33559
as i feared the computer was fried that ground strap on the front of the valve cover is critical apparently but fortunatly it was still under warranty thank god because it's a $3000.00 proposition. Thanks to all who took time to help me. Iatn is a great tool Trouble codes: 2BD3, 2BD4, 2BD0, 2848 (Fuel pressure sensor).
2004 Mitsubishi Diamante ES 3.5L alarm VIN: 6MMAP57P04
This vehicle has not reported the problem since it was at our shop, tech posts were "hood switchews that are not adjusted tight enough to the hood will cause the alarm activation when wind blows through grill and raises hood a bit. Try raising switch, bend it ...
2006 Mitsubishi Lancer Evolution MR 2.0L Reverse VIN: JA3AH86C16
2003 Toyota Solara SE 3.0L MIL Lamp on
Good morning I removed the canister and found it had a bad o ring on the one valve cleaned it out and replaced o ring all is fine.Thanks for the help Trouble codes: P0440, P0441, P0442, P0446.
2010 Toyota Prius 1.8L Master Cylinder VIN: JTDKN3DU5A
Thanks to Paul, Timothy, John and Sean for responding. Toyota has just issued a Safety recall D0H (D1H) preliminary Notification for certain 2010 Prius vehicles with defective Brake Booster Pump Assembly (Accumulator). On June 5, 2013 Toyota filed a Defect in...
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