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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for February 14, 2014
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(Also Available: All, Asian, Chrysler, European, Ford, GM.)
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Open Help Requests for All Makes and Models
Help Request Answers
2002 Acura TL 3.2L Poor Idle Quality, Surge, MIL Lamp on VIN: 19UUA56772
HI every body and thanks in advance for your time and your information. I have in my shop this 2002 Acura 3.2 TL That customer doesn`t provided any information, other then check engine light on and erratic idle, also cuts out around 3000 rpm, acts like revolut... Trouble codes: P1259, P0336 (Ckp sensor 1 range/performance.)
2000 Audi A4 Quattro 1.8L No Start VIN: WAUDC28D6Y
This car is a no start, checked for spark, no spark. checked for codes there is no communication with engine and abs modules tried unplugging abs no change. checked fuses found #37 blown (radio) replaced, blown again (right away) removed radio and found fuse i...
2005 Audi A8 Quattro 4.2L oil cooler VIN: WAULL44E25
AS anyone knows working on this car be frighfull, we just replaced the air suspension compresor and relay and while working on the car noticed a leak of coolant around the back of the alternator, we have been looking at this and have come to realize it is most...
2007 BMW 530xi 3.0L drivers power seat VIN: WBANF73597
The drivers power seat is not working at all checked all fuses and all are good scanned with are launch and could make seat work from scan tool but no seat functions from switch. Passengers side works good. Thank you for any help you could send are way. Duan...
2009 BMW 528i 3.0L No Start, Cuts out, MIL Lamp on VIN: WBANU53569
Vehicle came in with no start, verified no start, found and retrieved codes: 2e8d(battery sensor); 2d59 (actual torque monitor); 2a38 (valvetronic servo motor sluggish), 2a37/2a47 (valvetronic eccentric shaft sensor plausability), 29cf mis cyl 3 29d0 mis cyl 4... Trouble codes: 2A38, 2A43
2009 BMW 550i 4.8L Dme VIN: WBANW53539
Vehicle in for front upper timing cover gasket and valve cover gasket repair. Upon completion, valvetronic motor end stops were relearned correctly and throttle body was readapted successfully. After initial startup the vehicle ran rough and set check engine l...
1996 Chevrolet Tahoe LS 5.7L Low Pedal VIN: 1GNEK13R9T
My problem is a low brake pedal/spongy pedal after doing basic brake repairs. Truck came in with a good pedal. Upon inspection needed front pads and rear shoes. Machined rotors and drums and replace rear brake hardware. Never even opened a brake line. Now the ...
2002 Chevrolet Impala LS 3.8L Low Beams VIN: 2G1WH55K32
One day as i left home the low beam headlights would not turn on. All other lights work including the high beams, blinkers,tail lights. i checked all fuses, relays,and the circuit breaker. i checked all the wires in the harness by the main connectors inside th...
2004 Chevrolet Trailblazer LS 4.2L Poor Idle Quality, Surge, with a/c compressor VIN: 1GNDT13S94
vehicle exhibits an extreme increase in rpm when a/c compressor is commanded on. the a/c system seems to operate normal and pressures are within normal operating range. we checked the tac throttle to see if it was dirty. uh oh, somebody has already cleaned i...
2004 Chevrolet Silverado 2500 HD 6.6L Hesitation, Misfire VIN: 1GCHK23264
Truck has a tip in throttle hesitation. Basically it idles good great awesome does not skip a beat. Runs well at wot and/or just gettin it... not pussy footing around!. Seems to bobble a bit during light acceleration not to bad but will run bad and smoke like ...
2006 Chevrolet Tahoe Z71 5.3L stability control VIN: 1GNEK13TX6
this 06 Tahoe has a strange traction control issue. when I move from a complete stop and turn the wheel left or right I get a pump activation noise. no abs pedal drop ever. wheel speeds all seem correct. does not activate with traction control shut off. this v...
2006 Chevrolet Aveo LS 1.6L MIL Lamp on VIN: KL1TD66626
egr percent reading at idle or key on engine off always sits at 16%.does not change until i get to 40% on scan tool,then goes to around 32%.idle drops and gets rough.i cleared codes twice,disconnected batt.touched cables together with no change.thank you in ad... Trouble codes: P1404 (Egr sensor)
2002 Dodge Ram 2500 5.9L Stall VIN: 3B7KF23662
Once engine is at operating temperature, engine shut off and restarted after 15 to 20 seconds of off time engine stalls when put in forward or reverse gears. Engine immediately restarts, sometimes with a slight extended crank. Engine never stalls at stops, or ...
2009 Dodge Charger R/T 5.7L Mechanical VIN: 2B3KA42T09
Hello all you fellow techs maybe one of you dodge techs can help me. 2009 dodge charger police car came in our repair shop said to replace lifters did so and car ran great until test drive came back tapping noise in engine sounds lack lifter tapping. Check roc...
2009 Dodge Avenger SXT 2.4L starter VIN: 1B3LC56B59
hello Chrysler techs;i'm looking for some input on this intermittent no start.has only happened to me once and it was very brief.had 12 volts to starter.well now it's back and has happened again.sets these codes;p0700-trans code setin pcm.tcm code u1015-unknow...
1995 Ford Ranger STX 4.0L coolant temp VIN: 1FTDR15X4S
Truck came in with the heat hand moving goin to 3\4 down to 1\4 and back and forth . we changed thermostat then we checked for emissions in the coolant system test showed none in coolant . Pulled water pump and even checked the propeller everything looked fine...
1999 Ford Escort SE 2.0L Heat VIN: 1FAFP13P7X
hello ladies and gentleman, we have this escort that came in our shop with no heat at vents(80F.) and engine temp. is extremely slow to warm up (120F. after 40 minutes inside), cooling fans never came on. brought it in shop and found thermostat not closed. we ...
2001 Ford Windstar SEL 3.8L fail nysi VIN: 2FMDA53421
hi guys i have this 2001 ford windstar 3.8 , i try 3 scan tool problem is that it needs nysi when i look at the monitor on the scanner it say on data misfire test complete fuel system not supported catalyst not supported heated catalyst not supported evapora...
2003 Ford Taurus LX 3.0L Hesitation, Cuts out, Misfire, MIL Lamp on VIN: 1FAFP55283
Hello Friends This car is driving me crasy,when it came to the shop i had all the code above PO316 PO302 PO174 PO171, Also PO741 I service the Transmission and replace the Filter wish was real bad, the code came back, i call the Customer and he say not to wo... Trouble codes: P0316, P0302, P0171, P0174, P1401 (DPFE Circuit to hight Voltage this code came after replacing the DPFE Valve because of a broken Vaccum line in the ValveTune)
2009 Ford Escape Hybrid 2.5L Brake pedal VIN: 1FMCU49319
The truck intermittently feels like there is no power brake assist. When it acts up the brakes will work if you push extremely hard on the pedal. If you cycle the key, the brakes will work normally for the rest of the drive cycle. It acted up for the cust...
2002 GMC Safari SLE 4.3L Serpentine Belt VIN: 1GKEL19X42
Customer brought vehicle to me 01/02/14, with 256,387 miles and stated power steering pump was leaking and belt was noisy(he advised me of the history at that time) He believed leak was getting on belt causing noise, we confirmed p/s leak and getting on belt a...
2003 Honda Civic DX 1.7L cluster VIN: 2HGES15473
Hey Honda guys, heres one for ya. Cluster does not work. completely dead. car ran nice Found loose power wire at alternator and tightened it up then car would not start (fried PCM) installed new pcm and its alive now. The cluster is still dead. I have swapped ...
2004 Isuzu Rodeo S 3.5L Poor Idle Quality, Hesitation, MIL Lamp on VIN: 4S2CK58Y44
The fuel trims (adding both LT and ST to get actual) on this thing are 7 on one bank and -7 on the other. I thought that plastic clogging one bank of injectors was causing this since I saw a few examples of this, and have removed and checked it, even blew it o... Trouble codes: P0420, P0430
2003 Jaguar S-Type 4.2L Mechanical VIN: SAJEA01U33
After diagnosing an intake manifold leak I discovered the gaskets were only available from the dealer, none of the local parts stores have a listing for them. The gaskets from Jaguar are the metal gaskets between the fuel rail and the heads. Removed the intake...
2004 Jaguar X-Type 3.0L Locking VIN: SAJEA51C74
The customer brought the car in with the complaint that her lock/unlock function works intermittently. I have tested the system with both transmitters she has; they both behave the same way. Some of the times when the lock or unlock function is selected, nothi...
2005 Jeep Grand Cherokee Laredo 4.7L heater VIN: 1J4HR48NX5
Thanks for taking the time to read this, we replaced the heater core in this jeep about 4 months ago and now the customer says that he has no heat at idle, he can rev it up to 1500 rpm's and it has good heat,Then when it goes back to idle it looses it's heat,I...
2008 Mini Cooper Clubman 1.6L Clutch VIN: WMWMM335X8
After installing the new clutch the engine wont turn over. I can't move the crank pulley with a breaker bar but I can pry heavily on the flywheel and make it move a little. I had a little trouble getting the input shaft to go in its home when reassemling. But...
2004 Nissan Quest SL 3.5L timing chain guide VIN: 5N1BV28U44
I am about to remove the front timing cover on this Quest. 2 questions: 1. do I need to remove the oil pan, or can I get away with slipping out without dropping both upper and lower oil pans 2.any special procedure when removing ivt control valve Any input wo...
2005 Subaru Outback i 2.5L valve guides VIN: 4S4BP61C45
I have a 2005 outback with 0 compression on nbr 4. pulled exhaust and found exhaust guide dropped down and holding valve open. Anybody run into this? Is there a repair for new guide? Guide with snap ring , over sized or do I need another head? Any info appreci...
2005 Toyota Corolla CE 1.8L Misfire VIN: 2T1BR32E65
all codes referred to ignitions coils or wiring initally, would not act up for us at all until customer picked it up with new battery. Would cut out on road and die, got ignition coil 3 code, replaced, ran well for a day, started missing again, coil 2 code, re... Trouble codes: P0351, P0352, P0353, P0354
2006 Volkswagen Passat 2.0T 2.0L Misfire VIN: WVWAK73C16
Hello and Thanks in advance. I have this Passat 2.0 BPY in the shop with cyl #2 and random misfire codes. Cyl 2 the worst. Thought it was a basic tune up with 4 coils time but nope. After some reading pulled of intake and thought i found the problem with carbo... Trouble codes: P0302, P0300
2003 Volvo S60 2.4T 2.4L MIL Lamp on VIN: YV1RS61TX3
Hello everyone, What we have is a headache inherited from another shop. We have a recurring 261a aka p0089. We have actual fuel pressure of 90 psi with a duty cycle of 7%. Coming from another repair shop we verified that the parts they replaced were correct pa... Trouble codes: 261A

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
1995 AM General Hummer 5.7L tire air light on VIN: 137DA8434S
Not knowing anything about this system, I was hoping for some replies with more basic information. I found a theory and diagnostic TSB on Identifix which helped. It had air line diagrams and wiring diagrams & diagnosis . I found the wheel valves were disco...
2006 Chevrolet Silverado 1500 LT 5.3L brake feel VIN: 2GCEK13T66
hey thanks guys for the info, I never heard abut 3MPH being normal, and since I have only seen it on 4 vehicles in my long career of doing this it did seem odd to me. The vehicle is a Z71 (to answer the one question) and the problem only did it once, and the o...
2008 Chevrolet Silverado 1500 WT 5.3L evap monitor VIN: 2GCEC13068
Thanks evryone for your imput all of them were helpful I had to run the test on a cold start like some suggested. Im gona make notes of the other tips and suggestions. I really appreciate yall clearing my doubts
2010 Dodge Dakota Big Horn 3.7L 4x4 system VIN: 1D7CW3GKXA
had an extended worenty on power train sent to dealer to solve the problem
2007 GMC Sierra 3500 HD SLE 6.6L Stall VIN: 1GDJK34677
Customer has this vehicle back for a week and reports that all is ok so I'm going to call it fixed. With not much to go on (how long can you stand by an idling vehicle)we tried an ignition switch to no avail. long story short a new engine controller seems to h...
2000 Lexus RX300 3.0L Steering VIN: JT6HF10U1Y
It seems to be fixed as we have opted to remove the screens from the P/S resovoir due to the high cost of a replacement and so far all is good.
2007 Lincoln Town Car Signature Limited 4.6L Ddm VIN: 1LNHM82V67
Well folks this fix fix almost upsets me as much as it did make me happy. The dealer had the car for weeks and the customer was upset about that. The other shop that took brought it to me to flash went and picked it up and brought it to me again. They said p...
1989 Pontiac Bonneville LE 3.8L Tail Lamps/bypass headlamp module VIN: 1G2HX54C1K
Hi All 3 great replies with help getting schematic/info but all were the same as i had ... the mitchell/alldata were incomplete incorrect and vague as were the schematic sent to me .. older cars less info .. oh well .. i jumped in and trial and errord it ....
1980 Porsche 911 SC 3.0L Hot start
Well this car had to leave and we didnt' get it fixed, unfortunately. I set up the 3 way pressure tester and the the pressure was leaking back to almost zero within a minute of shutting off. The fuel pump with check valve has already been replaced. When I clos...
2000 Saab 9-3 2.0L No Start, Cuts out, Starts and dies VIN: YS3DD78H1Y
The problem turned out to be the air mass meter. I never had one that would shut off the injector pulse like that! Thanks to all that hit on the air mass meter. I wish the engineers that design these things would make it so the air mass meter would set a code ... Trouble codes: P0172 (Too rich bank 1).
2006 Toyota Sienna LE 3.3L Light VIN: 5TDZA23C16
Thanks for the help. Car was returned as is. No ideas why system did not work for years and the start work on its own.
2007 Toyota Prius Touring 1.5L Hybrid Battery VIN: JTDKB20U37
We did find a charger with Carolyn's help. This vehicle had a code Poa94-555 after following diagnostic tree from Toyota and one of the cables from mg2 was out of specs, transaxle was replaced and it still didn't start. went thru diag tree again, finished it ...
2004 Volkswagen Beetle GLS 2.0L secondary air injection system VIN: 3VWCM31YX4
Hello Friends Thank you all for all the great reply,as some of you mention,i check the engine for vaccum leak, find a very small leak at the intake manifold, repair that, also Check exchaust system, all check out ok with Smoke machine and also pluging the exh...
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