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Prev Professional Automotive Repair Technical Discussions for October 20, 2011
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Open Help Requests for All Makes and Models
Help Request Answers
2005 Acura TL 3.2L MIL Lamp on VIN: 19UUA66225
Looking for help with this car!! Car came in on the hook with no start condition. It was determined that the timing belt had broken. Upon dis-assembly the camshaft in the rear head had seized and sheared the dowel on the cam gear. Bought a used cylinder head c... Trouble codes: P2279 (Intake Air Leak)
2000 Audi A4 Quattro 1.8L Lag VIN: WAUDC28D9Y
Hello all, I'm looking for some help with a customers A4Q. Vehicle originally came in with codes P1335 and P1557. Followed the diganostic information in AllData and came up with what I thought was an overboosting situation. On my initial check I was not able ... Trouble codes: 17965 (Charge Pressure Control)
1998 BMW 323i 2.5L airbag VIN: 1GWEUY6453
hello bmw techs vin is not right i only have a question can i replace turn signal switch without removing steering wheel cust doesnt want to unhook battery does not have code for radio thanks in advance for your help
2003 BMW 330i 3.0L evaporator VIN: WBAEV53463
car came in with blows hot on passenger side, found sytem low on freon , i evacuated and charged to specs. it now works fine. i added dye and am having trouble finding the leak. no visual leaks are seen,i carefully looked at all lines and fittings and condense...
2004 BMW X3 2.5i 2.5L Electronic VIN: WBXPA73484
I need information on a code 20 AUC heating sensor. I see it on the radiator but mitchell is limited. there are no other codes in the system. the A/C problem is intermittent. Sometimes it takes 5-7 minutes for it to blow ice cold on start up. I have been unabl...
2005 Buick LeSabre Custom 3.8L Sdm VIN: 1G4HP52K55
The car runs fine but will not crank over with the air bag module connected unless the RIM and the DIM modules are disconnected. The tech 2 also will not communicate with all modules connected. There has been no previous damage.Checked power and grounds and pi...
2008 Buick Lucerne CXL 3.8L fuel pump fuse VIN: 1G4HD57238
found no voltage to fuel pump and tested circuit back all wiring good to relay feed side. The odd thing is that the fuse #1 (20amp) has no power whatsoever even though it shows on the wiring diagram that it should have power at all times. The fuse and the rela...
2000 Chevrolet Corvette 5.7L No Start, Hesitation, Cuts out, Stall VIN: 1G1YY32G0Y
This vehicle came in with a really odd problem. The car always starts but when in gear, if you try to accelerate the car dies. If in neutral, and you pound on the throttle it is fine. You just cannot move the car. I dont even know where to begin on this. I che...
2002 Chevrolet Cavalier 2.2L cooling fans VIN: 1G1JH12F32
Cooling fans?
2004 Chevrolet Tahoe LT 5.3L Unknown VIN: 1GNEK13Z64
i have a 2004 chevy tahoe that came in with a complaint of a noise on acceleration. what i have found is a loud buzzing like noise when the trans is about to shift. this seems to be easier to duplicate when cold.i put it on our alignment rack and when you shif...
2005 Chevrolet Suburban 1500 Z71 5.3L stabilitrac VIN: 3GNFK16ZX5
Please bear with me on this, it's only my second plea for help. Strange problem with the stabilitrac system. The only time this problem presents itself is on normal acceleration from a standing start. at around 7-10 mph both rear sets of ABS valves activate fo...
2005 Chevrolet Uplander LS 3.5L Inst Cluster VIN: 1GNDV03L05
Started out woth a Rf sensor code . Tested wiring and sensor Checked ok. Got a used module installed it and sensor code went away but got stability control codes. Got another used module with same result. Found this vehicle actually has no stabilty control.Got...
2006 Chevrolet Corvette 6.0L No Start VIN: 1G1YY36U16
hi GM guys need some info got this corvette with no start car is stolen recovery we got new key new pcm & new abs module all new from dealer my question is how do i start to get this contro,l units program do i first program pcm then key. thanks for help
2006 Chevrolet Tahoe 5.3L bottom end? VIN: 1GNEK13Z06
We have a medium i guess slightly tin sounding noise in the bottom end of engine,favoring the front part of the oil pan.It is a police vehicle has had proper oil changes.Oil pressure is good by dash guage.I have not yet put a test guage in it.There no codes,no...
2007 Chevrolet Silverado 1500 5.3L MIL Lamp on VIN: 1GCEC14C37
While scanning fuel pump data, vehicle starts out at 58 psi & when fuel pump module decreases pump percentage to bring pressure to desired pressure of 44 psi actual only goes to 54 psi and code sets . Trouble codes: P0191
2007 Chevrolet Silverado 3500 HD WT 6.6L No Start, Cuts out VIN: 1GBJC34647
Hello Duramax guru's: Sorry for the rather long post but this vehicle is driving us around the bend. Intermittently it will crank and not catch; happens every few days, or sometimes more than once per day hot or cold, but so intermittent that it is hard to det...
2008 Chevrolet Impala LT 3.5L MIL Lamp on VIN: 2G1WT58M08
Hello fellow techs. This car came to me for a check engine light concern. I activated the air pump with my snap on verus and the pump did not run. Found no output from the air pump relay. Replaced the relay and then was able to activate the pump with the scann... Trouble codes: P2440 (Air solenoid remains open)
2004 Chrysler Crossfire 3.2L MIL Lamp on VIN: 1C3AN69L24
I adopted this problem child from another tech at my shop who could figure it out. The customer complaint is a check engine light with no drivability problems. A week ago it had a code PO410 set and the other tech could find no reason for it. Today when I got ... Trouble codes: P0410, P0155, P0154
2005 Chrysler Town & Country 3.3L rotors, drums VIN: 1C4GP45R25
ok a little help this van has a very bad pulsation which really doesnt show up until 55 to 60 mph i had installed pads and rotors drums and shoe and hard ware a few weeks ago and everything seem to be workin fine till this week came back for pulsation again so...
2008 Chrysler Town & Country LX 3.3L Engine VIN: 2A8HR44H88
This engine starts quiet when cold, after 3-4 minutes it developes a rattle. Removed serp belt and unbolted torque converter and no change to rattle. It does not have a steady valve train or rod sound. Checked for loose converter. Sounds like a chain rattling ...
1996 Dodge Ram 1500 5.9L Excessive Emissions VIN: 1B7HC16Z8T
Customer just had a new exhaust system installed, including a new catalytic converter and two new O2 sensors. Truck runs rich and blows black smoke and soot out the tailpipe if you gun it at idle. Other than that, it runs great. Smooth idle, plenty of power an... Trouble codes: 171 (Lean)
2001 Dodge Dakota 3.9L Poor Idle Quality, Stall, Misfire VIN: 1B7GLAX11S
I have this 01 Dakota with a 3.9 V6. It keeps setting a P1391. I have replace the CMP and CKP and also an IAC. When you start this thing she starts right up and then once the RPMS come down she starts to act up. It will run like crap and finally stall. With th...
2005 Dodge Stratus SXT 2.4L Poor Idle Quality, Surge, MIL Lamp on VIN: 4B3AG42G55
hi guys first post that i have made. this car is a dodge stratus coupe 2.4 sohc mitsubishi motor and computer system. it originally came in with a p0507 idle control system rpm is higher than expectied fault( idles at 1127 rpm) .i followed the diag tree replac... Trouble codes: P0507
1996 Ford F-150 XLT 5.8L MIL Lamp on VIN: 1FTEX14HTK
ck engine light on-keeps setting o2 heater codes,have checked power and grounds to all three sensors and continuity from pcm to sensors all seem ok.been through trouble tree in Mitchell several times-always says replace sensors,which we did.codes still come ba... Trouble codes: P0135, P0155, P0141
2005 Ford F-150 STX 4.2L MIL Lamp on VIN: 1FTRF12235
customer has been here twice. 1st time replaced temp sensor in head. didn't fix it. 2nd time replaced a couple plugs and coil pack didn't fix. temp gauge moves up fast and then goes into limp in mode. turn off key temp gauge moves down fast and it reboots comp... Trouble codes: P1285, P1299
2005 Ford Expedition Limited 5.4L Hesitation, Surge VIN: 1FMFU19595
Need some assistance on this Ford, First off I would like to say thank you in advance for any help in this problem child. This truck came in with low power on accelation and bucking while driving, and popping back with, what sounds like intake back fire. Wha...
1994 Honda Passport LX 3.2L Cuts out, Stall, Misfire VIN: 4S6CY58V4R
Came in as a intermittent cut out at highway speeds. test drove, 2-3 miles at 70 then it started bucking. went away. drove again, never stalled. This has GM style igntion coils module and CPK. (barrel Type) pulled in checked coil output all were strong jump ... Trouble codes: 42 (Ignition failure), 33 (Map sensor low vac), 32 (Egr)
2004 Honda Odyssey LX 3.5L MIL Lamp on VIN: 5FNRL18634
Timing belt/water pump replaced 3 weeks ago. A week later owner complained of reduced acceleration; MIL ON, P0366 code. Reset the code & test-drive OK, returned to owner. Vehicle returned again today w/MIL ON & P0366. I've checked Alldata, there's not a listi... Trouble codes: P0366 (Camshaft Position Sensor B Circuit Range/Performance Bank 1)
1990 Jeep Cherokee Laredo 4.0L Misfire VIN: 1J4FJ58L7L
This jeep comes in that the customer has been trying to fix himself. If his dad wasn't a good customer and a friend I would have sent him down the road. At any rate, it has no pulse coming from the computer to trigger the #6 injector, and yes it is a power con...
2002 Jeep Liberty Limited 3.7L Poor Idle Quality, Hesitation, Poor Fuel Economy VIN: 1J4GL58K32
After reinstalling head restarted vehicle and it still running very rough compression now good (150psi) @ all cylinders after futher diagnoises found no ground signal to coils #1,3,and 5 . then checked wiring between pcm and coils ,good continuity between them...
2003 Lexus GS300 3.0L MIL Lamp on VIN: JT8BD69S73
Hey guys, quick question. This Lexus came in originally with the VSC and ck engine lights on. Code was a P2121, which I determined to be caused by the TPS. Replaced the TPS, cleared the codes and now it comes back with this C1201 which is an engine control mal... Trouble codes: P2121, C1201
2001 Nissan Sentra CA 1.8L Cuts out VIN: 3N1CB51D61
Vech reads 0v at mass air sensor with scantool. i think it should go to 5v when i unplug it??? wiring harnes looks ok so my thoughts are to check 5v signal to mass air sensor at ECU and posible bad ECU? I dont have mitchell or all data and any help would be gr... Trouble codes: P0100
2004 Nissan Murano SL 3.5L engine power restricted, incorrect ratio. VIN: JN8AZO8T34
tcm replaced first then trans. both nissan oem new and reman. dealer initialized tcm while I watched.no change in symptoms at any time. not fixed. these replacements where done when trouble tree directed,(tcm) and after multiple consultations with identifix,(t...
2006 Nissan Armada LE 5.6L lighting VIN: 5N1AA08A66
i replace bcm to no avail.programed the key to new bcm.i have no power to fuse 22 and 19 at right dash fuse box.im buffled at this point.any suggestions please.only interior lights,rear hatch,stepping board light dont work,also i noticed key fob at ignition do...
2002 Volkswagen Cabrio GL 2.0L window regulator VIN: 3VWDC21V82
Hell VW Techs We want to install a new window regulator and motor for the right front window, but now when we placed the new window motor in the new window regulator, the cable sleeve for the window regulator will not fit in one of the ends of the regulator, i...
2003 Volkswagen Beetle GLS 2.0L Accessories VIN: 3VWCK21Y93
thanks for taking time to read post. i am simply looking for radio code and hoping someone at dealer can help me. vin code of car is [...]. thanks!
2004 Volvo XC90 2.5T 2.5L Poor Idle Quality, Surge, Stall, MIL Lamp on VIN: YV1CZ59H54
Engine will surge when first started sometimes stalls. Does not matter cold or hot although it seems to last longer when it is cold. It will do it for a few minuets then idle smoothly if you shut it off after that and restart it will surge again. I checked f... Trouble codes: P2188 (System too rich at idle)

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2003 Audi A4 Cabriolet 3.0L Glass VIN: WAUAT48H83
1998 BMW 740iL 4.4L Misfire VIN: WBAGJ8329W
customer had to have his car and has not returned. No doubt the next step we had in mind was to do a back pressure test. If he does return we will go this route and update what we find. thanks for all of the replys. This site can really help with not only ... Trouble codes: P0302, P0420, P0300, P0301, P0304.
2002 BMW 330i 3.0L Driver's door lock VIN: WBAEV53492
Aloha, Gentlemen, Many thanks to all who responded to my post. From most of you, and from several other BMW pros whom I conversed with regarding this issue, it seems almost certain the GM is at fault, especially in view of the repeated "relay" codes. The...
2006 BMW 550i 4.8L radiator VIN: WBANB53586
Hello BMW Techs First of all, I would like to clarify that the radiator was all metal and the upper radiator hose coupling broke from the radiator neck, did not need a new radiator but it was completely plugged up with leaves and there was no air circulatio...
1994 Chevrolet S10 LS 4.3L High idle when cold VIN: 1GCDT19W8R
Ok guys, I found the problem today. There was a cluster of hidden vacuum lines under the hood on the driver's side against the firewall under a black plastic cover that contained a total of four connected vacuum lines, 1/8", 5/32", and 7/32" size vacuum lines....
2003 Chevrolet Silverado 2500 HD 6.6L dome lights VIN: 1GCHK23103
when i compaired voltage on the door sw that went to both rt and lf rear doors the left door had 1.1 volts the rt rear door had 11.88 volts i unpluged the connector off of the bcm and did a oms check on the door sw to both rear doors and they both checked the ...
2004 Chevrolet Silverado 2500 HD 6.6L No Start, white smoke VIN: 1GTHK23124
Hi All lots of help on this one and thanks to all ..I couldn't sell the job (diag only) but i am ready for the next one update to my post is ... installed a new filter , inspected fuel (clean as a whistle) no leaks on suction side (9 psi check ) for the next... Trouble codes: P1093.
2007 Chevrolet Cobalt LS 2.2L Starting VIN: 1G1AK55F77
Hello there I found out the problem. I scanned it and got lots of lack of communiction codes. Tested all of the fuses and was not getting any power at the ecm, inj, and air sol fuses. checked my connections again and all were good. Found a 50 amp fuse in the t...
1999 Dodge Grand Caravan LE 3.3L Mechanical VIN: 1B4GP44LIX
First of all thanks to all the techs who took the time to reply to my post. After finally getting back to work on this vehicle i realized that this was just a left front issue now so i replaced the caliper and hose on that side (i already did right side) and d...
1988 Ford F-350 XL 7.5L no spark VIN: 2FDKF37G6J
The fix was a new ECU which was under warranty. It was suggested that i remove the spout connector to see if their was a change. Big change vehicle didnt die, customer even drove for a few days as his other vehicle went down as well. I tried the spout connect...
2001 Ford Explorer Sport 4.0L Stall VIN: 1FMCU60E21
Thanks for all the help!!! Never died on me till I decied to drive it home felt like tcc stuck or if it was manual you forgot to push the clutch in, so next day I cut the wire from the computer to the tcc. That fixed it now just waiting to replace the tcc sol...
2003 Ford F-150 XLT 4.6L Pedal height VIN: 1FTRX18W33
Well this one is fixxed. It was the EHCU. I did do as some suggest and tried the automated bleed process first. That made no difference. I got a control unit from a salvage yard that I trust and all is well no more sinking pedal. Thanks again for all the help.
2003 Ford F-250 Super Duty XLT 6.0L Turbo noise VIN: 1FTNW20P23
Thanks guys The flange at the turbo inlet (exhaust) was not fully seated wow what a tight fit But that was it Thanks again Trouble codes: P0132 (Turbo boost control a performance), P0677 (Number 7 glow plug circuit).
2007 GMC Envoy SLE 4.2L MIL Lamp on VIN: 1GKDT13S87
Thans to all that replied. I put in a new thermostat an cleaned the thorottle body and that took the lite off. I also took it to the GM dealer and had the update flash done. They didn't say what the update was for but it was "NEEDED". You would think there wou... Trouble codes: P1400 (cold start emmision reduction system).
2002 Jaguar X-Type 2.5L Steering VIN: SAJEA51D22
All replies were helpful - We replaced the PS pump with OE Jaguar pump, flushed the system and used the Jag Mobil 1 fluid, blead the system and still had the same sound. It was intermittently quiet and then noisey with out touching the steering wheel. Jag figu...
1999 Lincoln Navigator 5.4L Ride control VIN: 5LMPU28A2X
Thanks for your help. It turned out that it did have an air leak at the union. Repaired that and now all is fine. Thanks again for leading me in the right direction.
2001 Mitsubishi Galant ES 2.4L Misfire VIN: 4A3AA46GX1
ran 3 more cyles of bg fuel injection cleaner car gets better after every cycle. must have alot of carbon build up on the valves. thanks for all the replies and help. Garrett Trouble codes: P0301.
2000 Oldsmobile Alero GL 2.4L abs codes VIN: 1G3NK52T9Y
Hello thanks for the help from all we think that we got it figured out ended up being corosion at the plug
2002 Pontiac Grand Am GT 3.4L No Start VIN: 1G2NF52E72
Sorry guys we didn't realize this vehicle had 2 crank sensors,one to start and one to run,we monitored the start one and had no injector pulse,as soon as we sprayed fuel it started and the run sensor took over.We replaced the crank sensor for starting and all ...
2003 Pontiac Vibe 1.8L air bag lite VIN: 5Y2SL62863
it was the plug end that has the shorting bar i replaced the end an the lite went off thanks for everyones imput
2003 Saab 9-5 Linear 2.3L No Start VIN: YS3EB49E93
thankyou for all that helped in my problem. Beleive it or not after the old ECU dryed out for well over a week we placed back in vehicle, and vehicle started immediately ..
2004 Subaru LIBERTY 2.5L No Start VIN: JF1BL9KL55
Finally fixed. Customer never told me that this vehicle was water flooded about 6mths ago. The ECU was corroded. I fitted second hand ECU and reprogrammed Immobilizer and everything is good. Thanks Trouble codes: P1714 (Idle switch), P1709 (K/d servo switch), B0221 (Ca-hs ecm no receive data).
2008 Subaru Legacy 2.5i 2.5L MIL Lamp on VIN: 4S3BL616T8
2004 Toyota Sienna LE 3.3L abs module VIN: 5TDZA23CX4
veh. was not repaired due to potential costs involved and milage of veh. I do suspect bad steering angle sensor as one potential fault,but the fact that i cannot communicate w/abs module and can with all other modules does not seem right. If anyone can define ...
2003 Volkswagen Beetle GL 2.0L crankseal VIN: 3VWCK21Y13
and the prize goes to Joe from georgia. there are two pontential seals for this vehicle. why i was never asked about the crank shaft diameter at the first repair is just so frustrating i cant express. it can be either a 32mm or 35mm inside diameter seal. i wa...
2005 Volvo XC90 2.5T 2.5L abs VIN: YV1CZ59275
Sent this one to Dealer and they also installed another ABS controller with same issue,then they install a ABS pump,hydro,controller assembly and that seems to have corrected problem. After the repairs Dealer says the voltage to command pump off and on still...
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