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Prev Professional Automotive Repair Technical Discussions for March 24, 2015
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Open Help Requests for All Makes and Models
Help Request Answers
2002 Audi A4 Quattro Avant 3.0L Cooling Fans VIN: WAUVT68E52
if you run car in econo mode (no ac car will run fine no fan operation until commanded but fans will only run on high never will the low speed come on and if you turn ac on fans immediately turn on to high im sure it needs a fan controller but there is no test...
2005 Audi A6 Quattro 3.2L Hesitation, Surge, Misfire, MIL Lamp on VIN: WAUDG74F35
This 05 audi a6 3.2 came in with 10 codes, p2401 (092170, p2295 (08853), p2009 (08201), p2237 (08759), p0306 (00774), p1067 (04199), p0140, p0160. No power and tranny in fail safe. Codes returned after clearing and restarting w/ extended crank time. Found blow... Trouble codes: P2401, P2295, P2009, P2237, P2240, P0306
2005 BMW 530i 3.0L No Start VIN: WBANA73565
This wonderful 5 series sometimes will just crank and not start, when it will not start you get a trans malfunction in red on the dash display. But when it does start everything is perfect and normal. I have scanned for codes in DME 5140 and 5149 both codes pe... Trouble codes: P299A, 5149 (No message from power module receiver egs transmitter cas/pm), 5140 (No message receiver egs transmiter dme-dde)
2007 BMW 328i 3.0L MIL Lamp on VIN: WBAVC53507
Hello BMW Techs, We have tried multiple things to make this code go away. We checked the hose going to Air Injection valve and it's fine. We tried a different Air Injection pump (used one)with no luck. We installed a new Air Injection Valve and we still have t... Trouble codes: P0491 (Secondary Air Injection System Insufficient Flow Bank 1)
2008 BMW 550i 4.8L Limp VIN: WBANW53508
This car started with trans problems last week customer called and told us in was stuck in third gear by the time we got it, it would not come out of park. We cleard codes and got it out of park and now it shifts fine. We suspect that the seal between the valv...
2009 BMW X5 xDrive48i 4.8L left valve cover VIN: 5UXFE835X9
We have started to remove the driver's side valve cover and cannot get it past the steering column. How is this done?
2008 Buick Enclave CXL 3.6L No Start, MIL Lamp on, no crank VIN: 5GAER23778
Help GM techs! This enclave came in with the typical throttle body related faults and a complaint of a no start condition- we found throttle plate was not binding so we PROPERLY serviced the throttle body (no spray) and re leaned the basic throttle position. V... Trouble codes: P2176
1999 Chevrolet Express 2500 5.7L turn signals VIN: 1GCGG25R2X
When i turn on the parking lights the turn signals stop working, with parking lights off turn signals blinks fast on both sides with left or right turn signal on. grounds good checked with headlamp.removed all bulbs and both turn indicators light up on dash an...
2000 Chevrolet Blazer LS 4.3L Fuel trim VIN: 1GNDT13W2Y
Car starts up runs fine indefinitely if just idling. When brought up to cruise starts surging and fuel trim start going negative very repeatedly. Then when the throttle is released it dies. Will start again after long crank and will idle badly. Fuel trims are ...
2003 Chevrolet Avalanche 1500 North Face 5.3L transfer case VIN: 3GNEK13T93
Ok guys, I could really use some help on this one. Truck came in for growling noise while driving. Discovered truck was stuck in 4H and had the infamous hole in the t-case. Encoder motor had corroded between the case and motor enough to push it out and crack t...
2003 Chevrolet Venture LS 3.4L fuel VIN: 1GNDX03E93
Thanks in advanced for any input i get on this vehicle. The problem with this van is if i let it sit for a couple of hours will not start unless i spray some carb cleaner then it will start as many times as i want as long as it dont sit for hours. i have tried...
2008 Chevrolet Silverado 1500 WT 5.3L Unknown VIN: 1GCEK19018
This truck has a harsh 1-2 shift. All other shifts are beautiful. There are no transmission codes, the highest adaptive value was 5.2 and the fluid is in excellent condition with no indications of any concerns. We decided it had to be a broken 1-2 accumulator ...
2009 Chevrolet Express 3500 6.6L Charging VIN: 1GBJG31629
Hi guys need help.truck towed in for alternator not charging.charge the battery.this is ambulance truck. Dual alternator.verify alternator not charging.put scope on primary alternator gray wire -f terminal i have 8 volt square waves and l terminal has 8 volts ...
2003 Dodge Ram 2500 5.9L Headlights VIN: 3D7KU28C03
Thanks in advance for the help, I have a 2003 dodge R2500 with the 5.9l Cummings vin c engine. I am having issues with the headlights only, and very intermittently. when the headlight switch is on some times the low beams will both turn off then when you move ...
2009 Dodge Durango SLT 4.7L Front Driveshaft VIN: 1D8HB48P79
Anyone know of a trick to get the front driveshaft out without removing the exhaust crossmember? Possibly a trick to pull the crossmember. Im stuck and cant figure out a better way. Any help is appreciated
1999 Ford F-150 Lariat 4.6L No Start, Cuts out VIN: 1FTRF17W9X
Problem began after a short drive one day, truck shut off while driving, gauges went crazy and theft light flashed. I was able to restart while driving. Problem continued intermittently the 10 miles back to the shop. Some times it would start easier, occasiona... Trouble codes: U1147, U1262, P1260
1999 Ford F-250 Super Duty XLT 7.3L Misfire
this customers truck came in and wouldn't run. After checking with my scanner I found that the fuel pressure sensor was out . I changed it out and found it was missing on cyl. #1. (Per power balance test) I changed out the bad injector and it started hitting o...
2003 Honda Odyssey EX 3.5L Power Door Locks VIN: 5FNRL18673
So I'm experiencing the same problem as this post. rical&sr=1&kw=N58562&kw=N25006&kw=N39997 I mean exactly the same. Driver & passenger side power door lock switch operates both lock & unlock. Key fo...
2008 Honda CR-V EX 2.4L pulls right VIN: JHLRE48528
hi guys thanks for the help, this is the 2nd one of these i have gotten. drive down the road you let the steering wheel go the vehicle will head right instantly. all brakes good none hanging alignment is good other than right rear camber. this is the same as o...
2008 Honda Accord EX 2.4L . VIN: 1HGCS12788
has anyone seen this code 14-17 left front wheel speed sensor electrical noise or intermittent interruption, we replaced the left front wheel speed sensor, we are lost because it didn't have a tone ring on the axel but I thought it should inorder to read the h...
2002 Hyundai Elantra GLS 2.0L MIL Lamp on VIN: KMHDN45D72
Po133 upstream oxygen sensor switch time too slow. A scope of pattern at 2000 rpm shows a switch time peak to peak rich of 1 second, too slow. Signal stays high(rich) for 1.3-1.4 seconds, and low(lean) for only .3-.4 seconds. A rich condition is not present an... Trouble codes: P0133 (Oxygen sensor b1s1 switch time too slow)
2003 Jaguar Vanden Plas 4.0L check engine VIN: SAJDA24CX3
i got a p1638 can link ecm/ instrument cluster circuit malfunction, u1260 and u1261 it seems like a have an intermittent communication problem , if i erase the codes, it take a while to get the code back again, it varies , don't know exactly how long, if someb...
2003 Jeep Grand Cherokee Laredo 4.0L Air Bag VIN: 1J4GX48553
So we have got a 2003 Jeep Grand Cherokee with SRS light on and we ran our scanner through and we found no codes present, but an error and it states: Ignition Loss-on run position. checked power and ground going to airbag module, and it all checks out ok. We h...
2008 Kia Rondo LX 2.7L Poor Idle Quality, Hesitation, Misfire, MIL Lamp on VIN: KNAFG52688
Hi folks, I have another problem child in my bay. This Kia has been to two other shops to try to get the misfire corrected. As of right now #2 and #4 injectors are not firing. I checked them with a noid light. A little history on the car: Shop 1, a well know... Trouble codes: P0300, P0302, P0304, P0306, P0018
2009 Kia Borrego LX 3.8L suspension VIN: KNDJH74189
hey iatn , customer complaint while driving & switching lanes or exiting off ramp , feels like you would lose control. check ed all suspension front & rear. nothing found broken, some bushing in rear are worn but not separated. if any body has had nis pathfind...
2001 Mazda B3000 SE 3.0L Hesitation, Misfire, MIL Lamp on VIN: 4F4ZR17U21
Ok all my ford guys. This mazda had a bad noise coming out of the cam sync. shaft but no check engine light. I replaced the whole assembly with a parts store one and now i keep getting a P1309 code and rough running engine. I used the tool to set it at 38 degr... Trouble codes: P1309 (Misfire Monitor Disable)
2003 Mercedes-Benz E320 3.2L Acumulator VIN: WDBUF65J53
I replace a faulty accumulator and attempted many times to bleed the system and could not get it bled properly. I do not have a "Star" tester so I attempted the procedure where you lock the doors, unlock the doors, cycle the ignition, rotate the wheels etc. Tr...
2005 Mercedes-Benz E500 4Matic 5.0L front suspension VIN: WDBUH83J65
vehicle came with front suspension noise.it has a clunk noise when turning left or right over bumps it only makes the noise when warm we check everything seems ok we put new tie rods and sway bar links it has front air suspension we took ball joint off they fe...
2008 Mercedes-Benz GL450 4.6L door lock VIN: 4JGBF71E18
Hello, got a 2008 GL450 with some issues with the left rear door lock actuator. The actuator WILL unlock but WILL NOT lock. Initially thought it was the latch assembly (which comes with actuator, latch, exterior door handle mechanism all in one) because we w...
2000 Mercury Grand Marquis GS 4.6L valve train VIN: 2MEFM74W1Y
Customer came in with vehicle after breaking off bolt when replacing thermostat. Could not remove in car, so took off left cylinder head and sent out to machine shop to drill out and install thread insert. Reassembled and started car.Lash adjusters(lifters) ar...
2010 Nissan 370Z Touring 3.7L ignition VIN: JN1AZ4EH5A
Hello techs I have this car that came in a tow truck for worn clutch but now I don't have ignition power this car has a push to start button and when I put the key in the slot and press the start button nothing comes on on the cluster as if the key was not the...
2000 Plymouth Neon High Line 2.0L No Start VIN: 1P3ES46C0Y
so car runs good and im fixing to go buy some new tires. I decided to go drive it some more, 7 miles into my drive car stalls. no start now and will not attempt to fire. so towed it back checked timing marks-ok compression- 155psi on all cylinders. got good no... Trouble codes: P0340 (Cam sensor not seen by pcm)
1999 Pontiac Montana 3.4L camshaft VIN: 1GMDX03E6X
replaced camshaft & bearings crankshaft oil pump timing chain head gaskets 12,000 miles ago because cam broke now has broke again aftermarket parts what do i look for on why
2007 Saab 9-7x 4.2i 4.2L low beam lights VIN: 5S3ET13S17
customer had bulbs and head lamp switch replaced (used). now we are trying to get low beam lights if I power fuse they work. checked the signal wire under rear seat at fuse box pink and white wire it switch's with switch. but I lose this before relay. I am una...
2007 Saturn Outlook XE 3.6L Poor Idle Quality, Misfire, MIL Lamp on VIN: 5GZEV13767
Need some feed back on this one. Not very familiar with Saturn. Wondering if any one has run into this before? Thinking perhaps timing chain problem. Hard to start, misfire, rattle noise from engine, all intermittently. Shows misfire worse on #1. Seems to lac... Trouble codes: P0016 (CKP-CMP Correlation), P0017 (CKP to exhaust CMP Correlation B1), P0018 (CKP to intake CMP Correlation B2), P0106 (Map or Baro pressure circuit out of range), P0300 (Engine Misfire detected)
2008 Saturn Outlook XE 3.6L Converter Lock VIN: 5GZER13728
we have done several of these units over the past few years with no issue - however this one and one other unit we overhauled did developed a converter shutter or vibration when the converter is under partial lock and the transmission is hot. On the first un...
2003 Toyota Tundra SR5 4.7L No lockup VIN: 5TBBT44123
Hello all, This one is a headscratcher. Vehicle came into the shop complaint of stalling at stops.Had a code p0742 but wouldnt stall every stop.Fluid condition was good red not burned.Got another sl solenoid and removed the trans pan to check for either a shor...
2003 Toyota Camry SE 2.4L Unknown VIN: 4T1BE32K83
This Camry came in with a "Rattling, Like Lifters" noise in the Throttle Body area. This is a "Fly by Wire" vehicle. We are wondering if there is any mechanical element in the throttle body that would cause this ? There are no codes and DATA PID's seem normal....
2005 Volkswagen Jetta 2.5 2.5L Timing Chain VIN: 3VWSF71K15
Vehicle came in due to check engine light and running rough. Customer did drive car in. Upon initial inspection we found that the spark plugs that the customer installed were not tightened to specified torque (literally finger loose). We replaced plugs with ne...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2009 Audi A4 Quattro 2.0L Cooling Systems VIN: WAUMF78K09
Thank you for all of the replies, we did like most people suggested and walked the belt of and back on. The job was straight forward after knowing what to do. We also called a friend at the Audi dealer and they do the same thing.
2003 BMW X5 4.4i 4.4L Dme VIN: 5UXFB33513
Wow I tried a generic scan tool and it went through. Dont understand why, my autel 908P has always work on all BMW models without any problems. Thanks for the help.
2013 BMW 550i 4.4L Poor Idle Quality, Cuts out, Stall, MIL Lamp on VIN: WBAFR9C53D
I have still not completely resolved the issues with this car. The client is stalling on spending any more money on this car. I have gotten very little time approved to investigate further. Thank you all for your help. If the client does approve further diag... Trouble codes: 10140, 10150, 100A0, 100B0, 1F050.
1989 Buick LeSabre Limited 3.8L No Start, Stall VIN: 1G4HR54C6K
As we said in the update, spark died. Got some good info from AutoLine, to see if the PCM or ICM was bad. First, unplug the PCM totally. If spark now, PCM is the culprit. A second check of PCM is see if you got 5v on the purple/white reference line. KOEO, gr...
2000 Chevrolet Silverado 1500 4.3L Poor Idle Quality, Hesitation, Surge, Cuts out, Misfire VIN: 1GCEC14WXY
Thanks to all who responded. Although it may be a band aid fix, I slotted the distributor which gave me 0* cam retard. This morning it fired right up and ran extremely well. No detonation, misfire, or hesitation. Again, thanks for all the help...
2011 Chevrolet Equinox LTZ 3.0L Hesitation, Surge, MIL Lamp on VIN: 2CNFLGE5XB
well i replaced the primary fuel pump and that fixed my problem. Alot of sedement build up on sock,not sure what it was but it almost look like a fine brown powder, nothing in the tank itself.Thanks again for the input guys it put me back on track. Trouble codes: P018B, P2635.
2003 Chrysler Town & Country LXi 3.8L Coolant in engine oil VIN: 2C4GP54L03
Changed engine oil, warmed up engine without cooling system pressure. Found high combustion gasses in the cooling system. Disassembled, found signs of coolant leaking from the intake gasket into the lifter valley and the head gasket firing ring on two rear cyl...
2009 Chrysler Sebring Touring 2.7L Convertible Top VIN: 1C3LC55D99
Thanks for the replies! The issue was in the harness where it goes up the trunk lid before it turns and goes to the retract micro switches on the tonneau cover. There were actually 5 broken wires inside of that harness which we found by ohming the wires from...
1997 Dodge Ram 3500 5.9L power steering pump VIN: 1B7MF36D8V
Hi Group, Well after putting those two reman. pumps on with no luck,customer said just to install a good used pump.I found one at a local yard,installed it,bled out right away,worked like it should,customer is happy.Most replies said OEM pump was the way to go...
2009 Dodge Durango SLT 4.7L Drivetrain VIN: 1D8HB48P79
Overall, rims looked fine, roadforced and balance good. Im trying to replace front driveshaft with another one to see if that fixes the problem. hopefully i can figure out how to get these exhaust bolts out from the cross section.
1989 Ford F-250 Custom 7.5L fuel selector valve VIN: 1FTHF25GBK
well the bird is quiet. finally had customer return and was going to check output of in-tank fuel pumps however customer stated truck will no longer run on rear tank. installed new in-tank pump truck now runs on both tanks and no more chirp heard from switchin...
2002 Ford Focus LX 2.0L Poor Idle Quality, Surge, MIL Lamp on VIN: 1FAFP33P42
I want to say thanks to every body for the time and inputs to may problem, finally this one is out my hands. like I mentioned before, customer replaced o2 sensor, and air flow sensor. "maf" both oe parts. also customer replaced pcv valve and hose. problem ... Trouble codes: P0171.
2005 Ford Explorer XLS 4.0L No Start, MIL Lamp on VIN: 1FMZU72K75
Many responses mentioned cleaning the throttle plates, didn't help although they were dirty. Ended up being two separate malfunctions. The first being the PCM itself and then a bad fuel pressure transducer. A quick note about the transducer, the upper engine i... Trouble codes: P1116 (ECT out of range), P1812 (4 WD mode select switch ckt. fault), P1824 (4WD elect. clutch relay ckt. fault), B2276 (Less than two transmitters programmed), U1950 (Unknown), B1318 (Unknown).
2008 Ford Ranger XLT 4.0L Hesitation, Cuts out VIN: 1FTYR15E78
Yes it is finally fixed...here is what I did, first I hooked up a fuel pressure guage and a timing light to a spark plug wire and drove the truck. When the problem occured I still had 65 psi fuel pressure and still had spark even though the truck felt like it ...
2010 Ford Focus SEL 2.0L Surge, Stall VIN: 1FAHP3HN2A
well i have finally figure this one out it turn out that the PCM connector had a bad contact causing the throttle body put out the correct voltage and keep the idle where it needed to be. at this point the repair would be a new wire harness for B connector (mi...
2013 GMC Sierra 2500 HD SLT 6.6L MIL Lamp on VIN: 1GT020C87D
thank you ralph, resetting the reductant system and nox sensors is what got this, i also had to run the exhaust fluid quality test twice and took vehicle for a road test not even 5 minutes down the road the exhaust fluid light went out, customer stopped back i... Trouble codes: P204B.
2005 Jaguar Vanden Plas 4.2L . VIN: SAJWA82C65
this one end up being the front rt strut,i used soap and water to find the leak and its fixed, thank yall.
2005 Jaguar Vanden Plas 4.2L Suspension VIN: SAJWA82C65
it ending up being thr right front strut,leaking air.
2007 Jeep Wrangler Unlimited X 3.8L wheel speed sensor/circuit VIN: 1J4GA39127
3rd sensor seemed to do the trick. vehicle was given back to the customer,hasnt returned. once again thanks for everyones response. joe
2000 Lincoln Continental 4.6L Cuts out VIN: 1LNHM97V4Y
Well, customers funds are on hold so it isnt fixed yet. The customer found that if she hit the traction control button (I looked all over for it and never did see a button) that the vehicle will drive fine up to 60 mph before the traction control shuts it down...
1989 Mercedes-Benz 560SL 5.6L Compressor VIN: WDBBA48D6K
After a complete flushing and drying of the system I installed 5oz of PAG 46. The system is happy as a clam! Thank you to everyone that responded.
2002 Mercedes-Benz G500 5.0L compressor VIN: WDB3642381
Hello Frieds, thank you for your replies, very helpful. The problem was at the program. My scanner does not have that function, so with the star diagnosis was succesful, the problem was solved. Best regards.
2005 Nissan Xterra Off-Road 4.0L ignition VIN: 5N1AN08W55
Thank you for all the input. When I posted I was awaiting a crank sensor. Mind you no codes were being set. I put the new sensor in and had 1 coil out to check for spark and had another guy crank, I got spark!!! And the vehicle started on 5 cylinders. I inst...
2002 Porsche 911 GT2 3.6L Cam timing VIN: WP0AA29982
Yes, the leakdown test is without question, I guess the more pressing question was can the cam be set back & the answer is yes. Fashioned a tool with a long handle, had a helper hold the cam in place while the sprocket was removed, then dialed back cam & reins...
2001 Volkswagen Passat GLS 1.8L instrument cluster lights VIN: WVWPD63B21
Found the cigarette light fuse blown. And discovered the cigarette light was bad. Unplugged it and all is good
2002 Volkswagen EuroVan MV 2.8L cam timing VIN: WV2NB47022
Nailed it! only one head gasket for this VR6. local VW dealer gave me there tech line and they said if you set it up correctly it will be right. Did that and it is not right. put the old upper chain curved guide rail back in, now its right. worldpac part said ...
2011 Volkswagen Jetta SE 2.5L MIL Lamp on, P0106 VIN: 3VWBX7AJ1B
lets see. wee went back and pulled hose from valvecover to intake. had oil in it .replaced valve cover again cleaned out intake and hose. ran vehicle still getting oil into hose and intake manifold. checked vac at oil dip stick tube has less than one inch. ... Trouble codes: P0106 (map sensor).
1998 Volvo V70 2.4L missfire VIN: YV1LW5576W
we found out by buying a new bore scope we were able to see a burned exhaust valve in cylinder #2. just enough to cause this to set the missfire code . we have put this in lkq s corner now . we will see where they go from here.
2006 Volvo XC70 2.5L MIL Lamp on VIN: YV4SZ59276
Thanks for the help guys- a dirty throttle body was the culprit- go figure! We cleaned the throttle body and connector for good measure, applied contact oil to pins, cleared faults and while road testing adaptives dropped almost to zero- thanks! Greg and crew
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