× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for August 2, 2012
International Automotive Technicians' Network (iATN) - Members Only
(Also Available: All, Asian, Chrysler, European, Ford, GM.)
Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder.

Open Help Requests for All Makes and Models
Help Request Answers
2007 Acura TL 3.2L MIL Lamp on VIN: 19UUA66207
As stated in history this was a flood car that hydrolocked the engine we pulled plugs and cleared water out changed oil and cleaned t-body. After doing these things the car rsn great no codes on long test drive so we gave car back to customer. The customer had... Trouble codes: P2279 (Air Intake System Leak)
2005 Audi Allroad Quattro 2.7L MIL Lamp on VIN: WA1YD54B15
I have an 05 Allroad here that my customer hates now. They were on a road trip to Wisconsin and they had an engine fire. I was never able to get the cause of the fire or a repair list from them, but I assume a failed coil burned up on #6 and cooked some stuff.... Trouble codes: P0159, P1140, P0160
2001 BMW 525i 2.5L Compressor VIN: WBADT43421
Hello fellow Techs! So I have this little BMW that is giving me fits! Came in with A/C inop. Performed full evac and recharge, filled it with 1.65lbs as per specs and found that the compressor was not engaging. We grabbed scan tool and saw that the ambient tem...
2004 BMW X5 4.4i 4.4L oil pressure/chain tensioner issue VIN: 5UXFB53544
this started as vehicle making ticking noise from driverside front of valve cover and after replacing chain tensioner, broken chain guides(and none broken ones), and intake and exhaust vanos units the noise is still there. when i went back in to replace the va...
1998 Buick Regal 25th Anniversary Edition 3.8L Gauge cluster, stall VIN: 2G4WF5210W
I am currently studying wiring diagrams, and I think that an experienced GM tech may already be familiar with this problem, so I am asking to hopefully save time. The issue is that sometimes the engine will just totally shut down the instant the turn signal is...
2005 Buick Terraza CXL 3.5L Lifters VIN: 5GADX33185
Customer showed up after about a 60 mile round trip with what sure sounded like more than one bad lifter. Checked oil pressure with a mechanical gauge and even though pressure was within limits, we installed new lifters and new oil pump and pickup. Started eng...
1959 Cadillac Series 60 Fleetwood 6.4L flexplate
Hello Gentlemen, I am rebuilding the engine on this 1959 Cadillac, it had a bad vibration from 1500 rpm up, the original flexplate is bent and dented due to a catastrophic starter bendix failure in the distant past, my problem is identifying the correct flexpl...
1991 Chevrolet C1500 Cheyenne 5.7L No Start VIN: 1GCDC14K4M
I am the third shop to have this vehicle, and it's been tricky. I have no spark at all. There is throttle body injection. I disconnected the bypass to the computer, and there's still no spark. I checked the waveform on the purple/white wire, and got the 5v sq...
1996 Chevrolet C1500 5.0L Hesitation VIN: 1GBEC14M1T
1996 chevy 305 came in poor idle and dies on heavy acceleration, distributor cant be coralated with crank if we get the offset degrees closer than 9 truck kicks back on starter and will not start. Other wise no codes pulled crank sensor timing chain not loose....
1999 Chevrolet Blazer 4.3L ignition? VIN: 1GNCS13W4X
I recently replaced a blower motor on this vehicle. When I did, I had to remove the MCM and in the process a couple of wires broke inside the connector. Before I found the problem, I replaced the MCM & the crank sensor. After I repaired the wires the truck sta...
2002 Chevrolet Cavalier LS Sport 2.2L No Start VIN: 1G1JH52F92
This vehicle was an auction vehicle brought to me with alot of new parts and an intermittent stall/hard start. THIS POST IS JUST FOR REFERENCE VEHICLE IS FIXED. After days of no problem found the vehicle finally no started. The giveaway to this vehicles issue ...
2002 Chevrolet Avalanche 1500 5.3L battery VIN: 3GNEK13TX2
Just got the vehicle back from dealer after reprogram due to replacing ignition lock cylinder and lock module (housing). The battery light and mileage light along with PRNDL light stay on after key off the vehicle. I disconnected the alternator connector; noth...
2003 Chevrolet Tahoe LT 5.3L Pps VIN: 1GNEK13Z23
I have a sir code B0092. I have checked the under seat harness per the TSB. My information directs me to pull the PPS codes by flashing them on the rear view mirror. My problem is that the ON/OFF indicator will not light up in the mirror. The Tech 2 says "see ...
2006 Chevrolet Uplander LS 3.5L abs warning lite VIN: 1GNDV23L16
have a 06 uplander that has both front wheel speed senors codes,c0035,c0040, at same time . checked harness , senors etc. ,,,problem is intermit ,,,could 1 sensor grounding causing both to flag codes ???
2008 Chevrolet Impala LS 3.9L cooling system VIN: 2G1WS55318
Need advise from any GM service OR FLEET specialist,, we have these Impala POLICE vehicles, over heat sitting with AC on. ( no high speed fan opperation ) P/N [...] any one familure with these kits that add on relays & cut exsisting wires in the power distr...
1998 Chrysler Town & Country LXi 3.8L a/c system VIN: 1C4GP64L9W
This 98 Town and Country came in blowing warm air. I tested pressures and they were 36 on low side and 75 on high side. This high pressure is too low but I cannot get it to raise. I have replaced the compressor, expansion valve, and accumalator/dryer and recha...
2004 Chrysler Pacifica 3.5L compressor clutch VIN: 2C8GM68494
Hey everybody I am kind of having a problem with this vehicle the compressor clutch is not engageing, system was just charged and with scanner the data pid for pressure transducer is within specs and looks normal also with scanner I can also command clutch to ...
2008 Chrysler Town & Country Touring 3.8L Cuts out, Misfire, MIL Lamp on
the van failure in acceleration loaded o deceleration close 2000 rpm ,you might need to reread the crank sensor ? Trouble codes: P0339, P0300, P1129
2002 Dodge Grand Caravan Sport 3.3L Abs Module VIN: 1B8GP45332
Hello and thank you for taking the time to read this.Ok customer came in with abs and brake light on and a side note that ac stops working.when i start the van up the lights came on for self test and went off i checked for codes and have none,so go to the data...
2004 Dodge Durango Limited 5.7L limp in VIN: 1D4HB58D74
Car came in with unwanted acceleration and throttle problems. Truck would unexpectedly idle high and at times go into limp (throttle safe) mode. Lightning bolts warning lamp comes on on. We replaced the throttle body, reset adaptive, and sent on it's way. The ...
2006 Dodge Dakota ST 3.7L Red Brake Light in dash wont go out VIN: 1D7HW28K66
I am pretty sure this is a faulty front module But would like to confirm with anyone else who has experienced this problem?
2007 Dodge Sprinter 2500 3.0L Glow Plug #2 VIN: WD0PE74547
I know I'll have to remove the head to fix the glow plug, before I do that I'm just throwing it there, Does anyone have a known tool, or fix for this without removing the head.
1995 Ford Windstar GL 3.8L Poor Idle Quality, Surge VIN: 2FMDA514XS
Thanks for any help in advance! Came in with CAM Sensor circuit code - low charging voltage and idle surge up and down ... tested and replaced alt and cam sensor.Has great idle until ac compressor engages then it over soots desired adle the under shoots back a...
1995 Ford Explorer Eddie Bauer 4.0L 2-3 upshift VIN: 1FMDU32X7S
This is my personal vehicle.The flywheel broke and a piece of it ripped the torque converter seal causing a massive leak.My wife kept driving it and it burned the forward clutches due to the low fluid level.I did a complete rebuild including;new Ford torque co...
1997 Ford Windstar GL 3.8L ignition switch linkage VIN: 2FMDA5145V
This van had a free-spinning ignition lock. Tore down column in vehicle. Removed tilt head to inspect switch linkage and found connecting pin that connects upper rack portion to lower actuator had fallen out of place. Obtained both sections of new linkage. The...
1998 Ford Explorer Eddie Bauer 4.0L Poor Idle Quality VIN: 1FMZU32E7W
this truck is acting weird, cylinders number 1,2 and 3, are running rough specially under load, on idle also does it too, i check with snap on scanner and it shows very clear these cylinders as less contributors, compression are first and second 90 psi and num...
2002 Ford Explorer XLT 4.0L Reverse VIN: 1FMZU63EX2
I dont know why this explorer is still banging in reverse it has everything in it that you could put in it upon rebuilding the transmission. New converter,reverse servo,torque converter,vbx valve body,2 solenoid packs,bands, superior shift kit,servo bores slee...
2002 Ford Expedition XLT 4.6L bogs down VIN: 1FMRU15W82
When vehicle is hot and in overdrive intermittently vehicle bogs down like you hit brake for one second and let off. Sometimes it will occur three or four times in a row sometimes it occurs once. With overdrive off not as bad. we're leaning toward T.C.C circui...
2002 Ford Focus SE 2.0L Cuts out VIN: 1FAFP34342
hi all,i am in need of some help with moms car.the car will be driving fine then all of a sudden the "powertrain warning lamp"will come on and the car will stall.she will put it in nuteral,recrank the car and it will restart and be fine"for a while".i scanned ...
2005 Ford F-150 XL 4.2L Brake warning light VIN: 1FTRF12235
OK red brake warning light is on all the time. Have been through the testing per [...] tells me to jump the dk grn/yel and the tan/lt grn wires together it asked i...
2005 Ford Excursion Eddie Bauer 6.0L No Start VIN: 1FMSU45P85
This came in as a stall no start when hot. I drove this in the garage when it was cold and replace all the injectors, the oil cooler, updated the high pressure system, new ford oil and fuel filters and had a no start when I got done. I have icp desired at 1350... Trouble codes: P2291
2005 Ford F-150 XLT 5.4L Compressor VIN: 1FTVX14565
A/C Compressor will not engage. If you ground a/c relay signal at ECM a/c works fine. I have replaced the control head (Manual System) and jumped both the high and low switches at the same time. I am using a genisis scan tool so I am limited on my data stream ...
2006 Ford E-250 4.6L vent VIN: 1FTNE24W96
we are losing air out of vents on acceleration on inclines
1996 GMC C1500 Sierra SL 5.7L Cuts out, Misfire, VIN: 2GTEC19R8T
Hey guys , thanks in advance for replies. OK engine starts and idles excellent. Once in gear above or below OT it runs terrible cuts out , backfires,stumbles but if you continue to depress pedal at or about 65 to 75% throttle it comes completely alive and runs... Trouble codes: P0307
2000 Honda CR-V LX 2.0L compressor VIN: JHLRD2843Y
here is one for u honda techs, came in with complaint about ac blows hot after about [...] of drive time. on my initial test drive ac did blow cold then it started blowing warm 20min into test drive. it blew warm about 3-5 minutes then started cold again. ...
2005 Honda Accord LX 2.4L Vibration
This customer just bought this Accord. His other car is a 3-series BMW. He came in with a complaint of vibration at idle with A/C on. I looked at the car and drove the car. There is a vibration, but it is not that bad. I told him that the Honda is not going to...
2005 Honda Accord Hybrid 3.0L Unknown VIN: JHMCN36445
Good Morning to all This Accord Hybrid has a humming/vibration when the eco system is active. It happens at 50 to 55 mph and between 1700 to 2000 rpm holding this steady rpm range while driving. This can happen for a long period of time and will go away if yo...
2005 Honda Civic EX 1.7L Stall VIN: 2HGES26725
This car died while driving and was towed to the shop. It will start up but dies 2 seconds later consistantly. The imobilizer light on the dash shows the system to be working correctly and the scanner shows the system in the run condition. If the ckp senser is...
2003 Jeep Grand Cherokee Laredo 4.7L a/c not cooling VIN: 1J8GW48N23
I found hi side pressure of 280-380 psi and low side pressure of 40 psi. The diagnosis was a restricted condenser and sticking expansion valve as pressure would not equalize after shutting the truck off. Also the compressor was 'sticky' when turning by hand wi...
2004 Jeep Grand Cherokee Laredo 4.0L steering VIN: 1J4CW48S94
thanks for offering help this jeep has 4 inch lift serve tire shake after hitting a bump front end is tight alignment is dead on new track bar new steering stabilizer shock put tire on from another jeep still same trouble dont know what to do thanks jimmy
2004 Jeep Liberty Sport 3.7L Mil VIN: 1J4GL48K74
This Jeep Liberty came in with no codes with all monitors passed. Went through the normal routine and then put it out on the lot for sale. Now it wont pass the cold start EVAP test. Within 5 minutes P0441 (Evap Purge Solenoid Performane) is stored in pending c... Trouble codes: P0441, P0443
2006 Kia Spectra EX 2.0L engine VIN: KNAFE12286
Car is a relative's and I'm trying to fix it...for free of course. I found a used engine I want to "freshen up" but the aftermarket suppliers want a build date for stuff like the timing components. I don't know Kia and am looking for advice. The above VIN nu...
2005 Mazda MPV ES 3.0L Excessive Emissions, Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, Misfire, Poor Fuel Economy, MIL Lamp on VIN: JM3LW28A65
initally i thought this was going to be fairly painless vacuum leak, MAF, so on and so forth and it may be but im having trouble finding a place to start because all the HO2S voltage is at 0.01 all four of them but at the same time STFT is at -128. so why woul... Trouble codes: P0134, P0154, P2179, P2195, P2197
2006 Mazda B2300 2.3L steering VIN: 4F4YR12D26
So this is the mystery problem we are having. Driving the vehicle, Hit a bump or pot hole, the steering wheel will shake as if the front end was loose. Power steering intensifies the effect and the steering wheel shakes left and right on its own until you hit ...
2002 Mercedes-Benz S500 5.0L engine running VIN: WDBNG75J62
Customer states that the car is stalling out when driving. Current stored faults: P203b - fault or function monitor in electronic accelerator P2004-8 - hot film mass air flow sensor short to ground Have replaced cheap crank sensor with OE sensor, have check...
1995 Mitsubishi Eclipse GST 2.0L Poor Idle Quality VIN: 4A3AK54F9S
Idle speed screw is adjusted correctly at throttle body, idle speed gets higher as engine warms up, starts out at 1500 and goes to 2300. No codes, I think it needs a throttle body according to the repair info. It sounds like the idle air passage wears out. Any...
1999 Mitsubishi Galant ES 2.4L limp mode VIN: 4A3AA46G1X
Car sent to us by shop that replaced transmission three times and still getting codes P0750 and P0755 for Low/reverse solenoid and underdrive solenoid respectively. When codes are cleared, we start driving and as soon as second gear should shift, a very harsh ...
1983 Nissan 280ZX Turbo 2.8L compressor VIN: JN1CZ06S7D
hi all, car was converted at another shop. customer came with lots of complaints and very dissatisfied with work that was done. now its my can of worms! its a auto system all modes work, all blower speeds work, system works as designed just wont cool below 60 ...
1989 Oldsmobile Cutlass Calais S 2.5L Excessive Emissions VIN: 1G3NF14D2K
At 15 MPH, CO2 12.1%, HC 48 (ppm) co 0.03% nOX 440 At 25 MPH, CO2 11.9%, HC 37 (PPM) co 0.01% Nox 816 AT 15 MPH Nox barely past. CUT POINT is 571 AT 25 MPH Nox fail, CUT POINT is 528 While monitor the test on manual mode, sometime the CO would go up about 0.... Trouble codes: N0NE
2003 Saturn Vue 3.0L fuel gaud]ge VIN: 5GZCZ63B53
this vehicle came into our shop with customer complaining of fuel gauge inaccuracy. we diagnosed faulty sending units. (unplugged reads zero plugged reads full. there are two units in tank and we replaced both. had found many complaints of failures due to gas ...
2006 Saturn Vue 3.5L starting VIN: 5GZCZ53486
Last week a customer dropped off a 2006 Saturn Vue. The customer complained of the vehicle being hard to start and brought to us a starter to replace. Well once the vehicle was looked at it was found the starter is not the issue at all. The vehicle cranks fin...
1986 Toyota Pickup 2.4L No Start VIN: JT4RN50R5G
hi guys hope some one can help me here i got this toyota in the shop with no spark,22r,carb i am not getting any thing from the coil at all i checked the pick up and got no ac wave from it so i put a new one in and set the air gap at .008 still had nothing loo...
2008 Toyota Camry XLE 3.5L Differential VIN: 4T1BK46K18
Vehucle shudders upon acceleration, especially going up a hill or under hard accel. If you accelerate slowly, you can't feel it. Does it in all gears. Seems to be in the transaxle or maybe TC. I know there were some bad years for the 6-speed...anyone experienc...
1999 Volvo V70 X/C AWD 2.4L Smoking VIN: YV1LZ56D0X
Bought this vehicle from a friend who was told the motor was blown. Vehicle has oil on top of valve cover and smokes out of tailpipe. I measured vacuum at oil dipstick and found no vacuum or pressure. Removed intake and inspected flame box and found most of th...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2005 Acura MDX Touring 3.5L Misfire, MIL Lamp on VIN: 2HNYD18845
Spoke with customer, said valve adjustment had never been done, and got the OK to have car overnight. Plugs are denso iridiums, replaced at previous service. First thing in the morning put vac gauge on engine and was 16" at idle; sold customer valve adjustment... Trouble codes: P0300.
2005 Audi A6 Quattro 3.2L Radio, MultiMedia VIN: WAUDG74F55
This one is fixed! thanks you for all the replies. David you nailed it, it was the Satellite radio module. the Ring Bypass tool makes life a lot easier. Thank You! Eric
2004 BMW X5 4.4i 4.4L engine VIN: 5UXFB53544
thanks for all the good replies. i replaced the vanos and i still have same noise. but when i did this it just seems like the tensioner has no pressure on it accept for the internal spring. the directions make it sound like it should be hard to push back and i...
1998 Chevrolet Express 3500 5.7L compressor VIN: 1GCHG35R3W
Im closing this one for now, as the van is the owners work vehicle and he had to take it before I could investigate further. Im hoping to get it back at some point to finish the diagnosis. Most of the replies centered on the clutch air gap and the low and high...
2005 Chevrolet Silverado 2500 HD 6.0L Timing chain VIN: 1GCHK29U75
Thanks to one and all for reading my post, and thanks again to the 13 that replied - I can state that this engine is indeed a valve bender if the cam stops turning. The final tally was one bent intake and three bent exhaust valves. All they lifters were remove...
2006 Chevrolet Impala LT 3.9L MIL Lamp on VIN: 2G1WC58146
Well this one is fixed for now. Many thanks go out to Michael,Dan,John,Ennis & Richard. Ya'll said sender & it was. I knew I had oil pressure no noise. I was useing the Modis & saw 130psi I didn't understand. New sender shows 25 psi at idle,45-47psi @70mph on ... Trouble codes: P0522 (Eng oil pressure sensor signal low).
2000 Ford Focus ZX3 2.0L Cuts out, Stall VIN: 3FAFP3137Y
This one was tricky, because the pcm was sending many diff. Comands so it was hard to trace everything. Replace the pcm and problem fixed. Thanks to everyone for your help Trouble codes: P0320.
1999 GMC Sierra 2500 SL 6.0L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1GTGK29U8X
Thanks for the help and responses. I have never seen so many strange symtoms from a Engine module before. Replacing the PCM and reprogaming to vehicle cured all problems other than being very high mileage vehicle. No codes set voltages normal 13.5 running on d... Trouble codes: P0563 (PCM overvoltage).
2001 Honda Accord LX 2.3L cylinder head VIN: 1HGCG55401
Hi guys Head was to bad to risk. I ordered a reman head from internet. I will do new main and rod bearings, and rings. That should get it done. If any pistons look bad I will replace them. Thanks for the input. Rick
2005 Honda Odyssey Touring 3.5L Noise VIN: 5FNRL38885
Thanks for all the helpful ideas. I installed chassis mics to the air box , Transmission bell housing, intake,egr, and block. The sound was loudest at the airbox, but was still there with the box removed completely! It turns out the body shop worked on the rea...
2003 Hyundai Sonata 2.4L Charging VIN: KMHWF25S93
We tried the pre-excitement resistor which did not help (it actually ohmed at 2.5 mega ohms). Upon further investigation my guy found that the white B+ wire had a spot that was corroded and frayed, 16 volts on one side 11 on the other. Thanks for the help, T...
2003 Infiniti G35 3.5L MIL Lamp on VIN: JNKCV51E93
The customer has yet to bring back the vehicle. If they do I will post what I have found. Thanks for the replies. Trouble codes: P0171 (Lean Condition Bank 1), P0174 (Lean Condition Bank 2).
1999 Isuzu NPR-HD 5.7L Cooling Systems VIN: 4KLC4B1R7X
Thanks to all who replied I replaced the radiator but unfortunatly still had the same problem. The after market water pump I did not trust I replaced it with an original pump. The Temperature at upper hose is F202 at the lower hose is F172. The radiator temp i...
2006 Jeep Liberty Sport 2.8L Cuts out, MIL Lamp on VIN: 1J4GL485X6
Unfortunately the money kept mounting and the car lot gave up on the final fix. We did get it to where it no longer sets an inlet air pressure code by replacing the sensor (not the one in the intake manifold but yet they also list it as MAP sensor). The fuel...
2006 Jeep Grand Cherokee Limited 4.7L No Start VIN: 1J4HR58N86
So far so good, some of you recommended cam and crank sensors for this data interruption concern. Customer went for the risk of not being the problem and it has been a week or so with no problems. Trouble codes: P1684, U0024, U0019, U1415, U1414.
2008 Jeep Patriot Sport 2.4L Water Leak VIN: 1J8FT28WX8
After a 3 days of frustration,we found the front winshield leaking from the left corner, we called our local glass repair shop , they came & remove the winshield & they sealed it, kept the car for extra couple days just to make sure its fixed, & its fixed & no...
2008 Jeep Grand Cherokee Laredo 3.0L MIL Lamp on VIN: 1J8HR48M68
all posts sugested internal ecm fault, client declined as there is no drivabilty concerns. thanks for the help. Trouble codes: P0600.
2002 Lincoln LS 3.9L Misfire VIN: 1LNHM87A52
it ended up being that 6 out of 8 coils were bad and it was setting false misfires on the other 2 , ive never had to replace that many ignition coils at one time because they were bad. thank you all for the help. keith
2002 Lincoln Blackwood 5.4L electric lifegate VIN: 5LTEW05A82
this vehicle is a family members who is in no hurry to get hit truck back i suspect the right latch has failed. Tho their isnt a new one left in the entire country. I would not recommend taking one it its not worth the hassel. Thankyou for the help
1996 Nissan Sentra GXE 1.6L MIL Lamp on VIN: 3N1AB41D3T
2004 Nissan Sentra 1.8L cam timing VIN: 3N1CB51D34
Thanks for all the replies. I did replace the chain, guides & tensioner and it is 13 links that are suppose to be between the sprocket marks. That left me at 35 deg at idle. I moved the intake cam to 13 1/2 teeth and now it is at 0 deg at idle and no more code...
2007 Pontiac G6 GT 3.9L any forward gear VIN: 1G2ZH35147
Trans went out on this one. We opted for a GM trans and all is well. Internal electronics went out and it showed on the second test drive manual mode went out and it acted like 1st and 2nd engaged at the same time. Pop goes the weasel. Thanks guys
1985 Porsche 911 Carrera 3.2L flange bolt VIN: 1P0EB0918F
thanks for everyones help installed new bolts and loctight on threads and torque bolts and no problems
1993 Toyota Celica GT 2.2L compressor inop VIN: JT5ST87K3P
I wish to thank everyone who replied to my call for help. You sent me much valuable informatin such as wiring diagrams,pid values, and descriptions of operation. I was able to determine that the ecm was not communicating with the #2 thermister or the ac amplif...
2000 Volkswagen Beetle GLX 1.8L p0411 VIN: 3VWDD21CXY
Thanks for all your help. The issue ended up being the turbo bypass diaphragm on intake boot. The combination valve was opining but just not enough. Trouble codes: P0411 (Secondary air injection).
2007 Volvo XC90 3.2 3.2L power asst.steering
This fix is not actioned as yet. The car is booked in on 13th August. Paul and Kevin have given me useful pointers to investigate - thank you both for taking the time to respond. I will post the outcome in due course. Regards Dean
Prev (Also Available: All, Asian, Chrysler, European, Ford, GM.) Next