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Prev Professional Automotive Repair Technical Discussions for January 17, 2012
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Help Request Answers
2001 BMW 325i 2.5L head VIN: WBAAV33441
Was run leaking for at least 2 weeks. May have overheated customer says no. He bought car 6 months ago. Please share any short cuts on job. Motor calls for 20 hours plus machining. Do we need 116150 adjusting plate, 112300 mandrel, 116180 preassembling fixture...
2002 BMW M5 5.0L No Start
Trying to find fuel pump relay color & location. Getting mixed answers from alldata & dealer. Any help would be appreciated.
2003 BMW X5 3.0i 3.0L rack VIN: 5UXFA535X3
Hello everyone, I have an x5 driving me nuts. Came in with an bad hissing noise coming from the steering rack. Replaced rack and resevoir, bled system and it is still hissing horribly. have I missed something? There's only the pump, the rack, the cooler and th...
2005 BMW 545i 4.4L Poor Idle Quality, Hesitation, MIL Lamp on VIN: WBANB33585
Hi everyone, I will make this short and sweet. I am generally not a Euro guy but a little advise would be greatly appreciated as I am having a difficult time locating good info on how this system works. The complaint is low power,shakes,and idle surging. This ... Trouble codes: 2D03, 2D0F
2006 BMW 330xi 3.0L Start VIN: WBAUF9210P
this car is actually a 130i the car ran fine but was crashed after panel shop repairs the car would start and idle but would not rev now it has been towed to my workshop it wont even start i started with 39 different fault codes relating to the crash damage al...
2006 BMW 323i 2.5L Stall, Misfire, MIL Lamp on VIN: WBAVB53576
This one is driving me nuts. This BMW with the N52 engine has a panting, surging idle and runs generally poor. There is some noise from the timing chain area, and it sets the listed cam timing code immediately on startup. I have scoped both cam sensors, which ... Trouble codes: B0A98, P1554 (Generic Intake camshaft/crankshaft correlation)
2007 Cadillac STS 3.6L windows, mirror switch, door lock switch. trunk re VIN: 1G6DW67787
I'm hoping someone has seen this before. Car came in with drivers door completly dead. No power window operation. no trunk release operation, and no door lock switch operation. Occasionaly the door comes alive but not long enough to test. All other windows wor...
1963 Chevrolet Corvair Monza 2.4L Poor Idle Quality, Stall VIN: 30927W1195
I purchased this car which was stored in a warehouse since 1981 or earlier. It is in fantastic condition body and interior. I had the fuel tank out and professionally cleaned. Any rubber lines(2) were replaced. I RR`d the carbs and found them very clean inside...
2006 Chevrolet Silverado 1500 LT 4.8L #1 Fan Relay VIN: 2GCEK13V46
Ok this is complicated. The Truck came in with the complaint of the truck not starting because the battery was draining beacuse the cooling fan was staying on and the truck was stalling. we found moisture and corsion on the pcm. Replaced the pcm and cleaned th...
2008 Chevrolet Equinox LT 3.4L noise VIN: 2CNDL43F38
Customer hears creaking noise over bumps test road with and Yes it does cannot get to make noise on hoist sounded like struts so we replaced both and mounts seems worse thanks for any/all help
2009 Chevrolet Express 3500 6.6L Brake Fluid VIN: 1GBKG31669
Gm techs i am wondering if anyone has seen brake fluid contamination through the hydroboost system. We have a fleet of ambulances and i have two here that both have brake fluid very obviously contaminated with power steering fluid. I dont see how the two can m...
2002 Chrysler Town & Country (Van) Limited 3.8L No Start VIN: 2C8GP64L92
Vehicle towed in cranks but does not start. No check engine light key on. Cranks normally but no spark. I can communicate with PCM (no codes) but cannot communicate with any other module (ABS Trans IPC Air Bag or BCM). I checked power and ground at BCM, it's ...
2003 Chrysler PT Cruiser GT 2.4L Poor Idle Quality VIN: 3C8FY78G53
when cold at idle in drive and only in drive idle flares up and the only way to stop it is to put in any other gear.When it warms up its stops doing it
2004 Chrysler Pacifica 3.5L Starter VIN: 2C8GF68444
2 days ago. this car stoped while driving. couldn't start. towed and found ground cable to tranny was broken. made a new ground cable(2 guage). started well. today, she wouldn't start again. checked battery. good. all shift position on dash was on.(prnd21). co...
2008 Dodge Sprinter 2500 3.0L No Start VIN: WD0PE84548
no start after long cold nite.code for glow plug and module communication.remove module and test harness for resistance thru glow plugs.all 1-2 ohms except #4 open circuit.module has power and ground and key on power.module is 1k dollars.i know i need a plug b... Trouble codes: 2134 (4 plug open), 2267 (glow plug module communication)
2008 Dodge Grand Caravan SXT 3.8L left side front and rear door locks
customer came in with complaint of left door locks intermittently in-op in cold weather. was unable to duplicate in-op concern was able to actuate locks a few times and get left actuators to get weak, causing lock movement but would not fully actuate lock as t...
2008 Dodge Ram 2500 Truck SLT 6.7L Volt meter VIN: 3D7KS28A58
When cold voltage flucuates down to 10 volts which affects driveability.Seems to go away when warm. Tested batteries, only has 915 combined cranking amps for both batteries. The truck is rated for 1500cca. changed batteries and problem still exists. Alternator...
1994 Ford F-350 XL 7.3L Stall VIN: 1FTJW35FXR
Trucks starts fine every time hot or cold.take off and as soon as the truck gets to 55mph it dies.will restart and run good till you get back to 55mph.could i be dealing with a leaking injector oring or washer ,witch is causing the fuel test guage to pulse twe...
2002 Ford F-350 Super Duty XL 7.3L No Start VIN: 1FDWF37F22
Just starting on this one. Not really a diesel guy. The rpm reads during cranking, the oil is full. The resivior at the high pressure pump seems fuell when you pull the allen screw out. About 1/4 inch below the top- has set for several days. Cranking speed see... Trouble codes: P1212, P0340, P0470
2005 Ford F-150 King Ranch 5.4L valve train VIN: 1FTPW12535
Vehichle came in with check engine light and knocking noise. Codes for multipul cylinder misfire. The engine noise is coming from the right bank and all 4 cylinders on that bank are low on power. Checked compression on all cylinders and that was good. I suspec...
2006 Ford E-250 5.4L Cuts out, Stall VIN: 1FTNS24LA6
Hello to all. We have another problem child that has been here way to long. This E-250 will just cut out. Here is what is does. It seems to only happen when you accell. It will just shut down. Now if you pop it in neutral and turn key it will not restart unles...
2006 Ford Taurus SE 3.0L No Start
Looked at this vehicle 3 months ago customer comPlained of hard starts, had codes 300 316 in memory, replaced plus & wires, seemed ok for a while, cars back with long crank before it will start, only code 316 in memory, car sounds like the rear manifold is cra... Trouble codes: 316 (Miseries on start up), 300 (Random missfire)
2000 GMC Sierra 1500 SL 4.3L motor VIN: 1GTEC14W0Y
truck ran great it was parked for four days no start now cap rotor wires two months old fuel pressure on rail is good also have good spark while checking coil with key on im hearing a ticking or clicking noise inside intake injectors maybe fuel pressure regula...
2001 GMC Sierra 1500 SL 4.3L engine runs very rough replaced intake gaskets duo VIN: 1GTEC14W61
after all that truck will not run properly rough idle exhaust manifold glowinfg red hot started on passenger side cut cats off then red hot moved to drivers side all started with radiator jug full of black slimey sludge due to leakage of oil into cooling syste...
2002 Honda Civic EX 1.7L Poor Idle Quality VIN: 1HGES26792
Problem with high idle and sticking gas pedal. I have found and fix this car just wanted to share what I had found.
2008 Honda Accord EX 2.4L MIL Lamp on VIN: 1HGCP26828
hello guys, i got this 2008 honda accord 2.4 vitec engine with 50000 miles, came in for check engine light is on code p341, cchange engine oil & filter, clear the code road test it the code came back on, any help will be greatly appreciated Trouble codes: 341
2002 Hyundai Santa Fe GLS 2.7L 2-3 Shift Delay VIN: KM8SC13D12
Customer drove in this truck with shifting concern, but no MIL on. Scanned it and found no DTCs on ECM or TCM. Took it out for a test drive and could feel 2-3 shift Delay other shift are fine. The 2-3 shift will sift at high RPMs (around 3400 rpm) or if I let ...
2004 Hyundai Santa Fe GLS 3.5L No Start, Cuts out, Stall VIN: KM8SC13E34
Engine cutoff while driving? (December)Vehicle came in for oil change & brake job; no driveability issues. After servicing, drove 1/4 mile and added 5 gal fuel (was on empty); on the way back, the engine just shutoff. Towed back to the shop; no fault codes in ...
2004 Infiniti G35 X 3.5L power window
rear passenger window replaced. window will retract partially down when commanded auto up. looked for reset button on motor. could not find one. is rear window different from front window reprogram. thanks
2004 Jaguar X-Type 3.0L Driveability VIN: SAJEA51C74
Recently, the car has begun intermittent randon misfire events and has set the following codes: P0182, P0203, P0303, P1316, P1313 & P1582. The customer reports that she can drive the car for as much as 1 hr or more before the engine will misfire. Also, recentl...
1998 Jeep Cherokee Sport 2.5L No Start, Stall VIN: 1J4FJ67S0W
Hi all, After searching the fix database with no luck I'm going to give this a shot. This jeep came in with multiple problems blown fuses... under hood #15 CHMSL and # 19 Fuel pump and inside #4 left low beam headlamp...replaced all fuses drove it 4 different... Trouble codes: P0700 (Trans. Control system), P1694 (Tach. circuit high voltage)
2008 Jeep Grand Cherokee Laredo 3.7L Steering column VIN: 1J8GR48K98
Customer called dropping vehicle off for tomorrow he stated nothing electrical on the steering column works. No headlights, no directionals,no horn,no wipers etc. Im thinking column control module/clockspring? Sorry for the ask ahead of time but my other compu...
2002 Lexus RX300 3.0L Hesitation, Misfire, MIL Lamp on VIN: JTJHF10U52
Hey folks, been a while but here goes. Got this Lexus eating my lunch and need some advice. Came in with P0300, 302, 304, 306, and P0174. First smoked the manifold to check for leaks, none found. Needed plugs, so replaced plugs and known good coils (6). Drove ...
1999 Mazda 626 ES 2.0L Hesitation VIN: 1YVGF22C2X
this car would have a hesitation when we start it for the first time when the outside temps is -20 dg he would hesit for 40 sec and then ,when he was warmed up it run like a new .i have no codes i suspect 3 things the mass air flow the coolant and the iat but ...
1995 Mercedes-Benz S420 4.2L Blower motor VIN: WDBGA43E1S
This car had no blower motor operation. The customer took it to a Benz dealer and paid for diagnostics. He was told it needed a blower motor regulator. He called my shop to get a quote to replace the regulator and then brought it to me. I explained that we wer...
2000 Mercedes-Benz S430 4.3L Fuel Gauge VIN: WDBNG70J1Y
Hello All, we have a 00 s430 with fuel gauge inop. When we disconnected sender gauge reads full. So we replaced sending unit and had rear sam coded. Still no help so we replaced rear sam unit. And the gauge worked for 1 key cycle. Then quit working. Any sugges...
2003 Mercedes-Benz C230 Kompressor 1.8L head bolt threads VIN: WDBRF40J03
This vehicle came in with a positive head gasket leaking concern. during removing cylinder head, the 6 head bolts for holding the center portion of the head came out very easily like they were not tightened down. the 4 outer bolts were nice and tight. after ge...
2011 Mercedes-Benz GL350 Bluetec 4Matic 3.0L Ism VIN: WDCBF2CE1C
Ism displays code u010087 communication with engine control unit has a malfunction. The message is missing
2002 Mini Cooper 1.6L MIL Lamp on VIN: WMWRC33412
Vehicle came in with check engine light scanned for codes found these 2 P1787,P1698. Checked database and found 1 post on these two codes from back in 08.His post said vehicle didn't move,mine does.I cleared codes and drove with no issues and no return of chec... Trouble codes: P1787, P1698
2003 Mini Cooper 1.6L alarm VIN: WMWRC33473
This car is possessed. The customer reports that the alarm keeps going off. This seems to occur when cold outside. I have check all triggers for alarms system and the all seem to check out fine. I cannot make this car act up, but customer has stopped locking v...
2006 Mini Cooper S 1.6L warring ligh VIN: WMWRE33566
srs lt belt lt on no cluster back lighting,no com on k bus modules.found k-bus fan connector in r/kick panel,2.6 volts.disconnect wires re do quick test per each wires.for some reason cluster back lights came on but would not turn off.recoded inst clus...
2004 Mitsubishi Endeavor XLS 3.8L Rear wiper/washer VIN: 4A4MN31S64
This vehicle came in with a complaint of rear wiper and washer being inop.. Tested for power and ground at rear wiper motor and washer pump. Has ground but no power. Schematic and information vague - both go thru the Etacs module. Fuses are good. I am not fami...
2005 Nissan Xterra Off-Road 4.0L MIL Lamp on VIN: 5N1AN08W45
Replaced timing chains and guides under tsb for chain noise and now have mil on for timing over advanced code for bank one. Trouble codes: P0011
2004 Porsche Cayenne 3.2L Misfire VIN: WP1AA29P74
have #6 cyl missfire,all coil conn.plugs are green corroded on batt.+ red wire.also some kind of oily substance in connectors.replaced plugs&ign. coils.cleaned connectors best as possible,think dme is now shot due to corroded wire connections.anyone see anythi...
2001 Toyota Corolla CE 1.8L spark knock VIN: 1NXBR12E31
We recently put a reman engine in this vehicle. It came back within one month with the electrode on the #1 spark plug burned off. The vehicle spark knocks big time while brake torquing at about 1500 rpm. If propane is added to intake pinging stops. Fuel pressu...
2004 Toyota Corolla CE 1.8L Compressor VIN: JTDBR32EX4
Hello everyone, In the rush of things today I forgot to post this tech help but here it is for my fellow technicians. I am working on this 2004 Toyota Corolla and I tried looking for an leak on the system with my Snap-On hand-held device and no leak found. T...
2003 Volkswagen Passat GLS 1.8L Poor Idle Quality, Misfire, MIL Lamp on VIN: WVWPD63B43
vehicle came in with a high idle complaint and a vac noise with p0303 #3 misfire , p0507 idle higher than expected and p0171 bank 1 lean smoked test found a leak in a plastic elbow under the intake replaced the elbow and the # 3 coil (cop) after repairs the id... Trouble codes: P0301, P0302, P0303, P0304
1997 Volvo 960 2.9L No Start VIN: YV1KS9602V
Car died and would not start. Towed in - Crank no start. We installed a crank sensor. (I cannot verify 100%, but I was told we did not have inj pulse before.) I now have fuel pressure and good fuel, spark, inj pulse, new plugs, rpm gauge bounces w/cranking, ti...
2000 Volvo S40 1.9L all elecrical VIN: YV1VS255XY
Car came to us and owner said it dies. In the morning I had the car losing power to dash and the rest of the car. The car was dead then it came back to life and so on for 2 minutes till it stayed on and would run. Upon the battery voltage staying on, it would ...
2003 Volvo XC70 X/C 2.5L left rear position light VIN: YV1SZ59H03
This is my wife's car and she is not happy. Thanks for any info you can supply on this --- should be easy light bulb change.
2004 Volvo XC70 2.5L Horn/Lights VIN: YV1SZ59H44
The car is parked unlocked during the night the outside lights will flash and the horn will blow (not the siren) for 25 seconds then resets itself then will go off again sometimes during the night sometimes three times in a row no codes stored in any system an...
2005 Volvo V70 2.5T 2.5L oil pressure VIN: YV1SW59235
Vehicle came in with oil pressure warning in information window and intermittant low oil pressure. We tested oil pressure and after running till warmed up the oil pressure would drop. We have seen this problem before caused by cracked sump seals so we replaced...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2002 BMW X5 3.0i 3.0L blower/main VIN: 5UXFA535X2
Got this vehicle fixed this morning, thanks to Jared for the link to the BMW wiring diagrams, this helped alot. The customer had the wiring for the power stage connector wrong. He told us that it was replaced awhile ago with no problems, I dont think we got th...
2002 BMW X5 4.4i 4.4L engine VIN: 5UXFB33522
Thanks for all the help with this car .Car was sent to bmw shop. They installed new mass airflow. complete drive by wire gas pedal. new had wiring problems after installing new transmission.
2004 BMW 330i 3.0L Poor Idle Quality, Surge, Stall VIN: WBAEV53464
The vehicle is fixed...Affect countless hours of thinking...The shotgun came out and got fixed. I finally used my brain on this one and went with my original diagnosis. Most replies that I got did not even properly read my posting prior to answering. Sometimes...
2000 Buick Park Avenue 3.8L fluid leak VIN: 1G4CW52K0Y
The overwhelming number of responses was to replace the channel plate gasket. I got the parts to do the job but got busy with customer paying jobs and put this one on the back burner. I will do the job as soon as I get the opportunity. Thanks for the help a...
1996 Cadillac Fleetwood 5.7L throttle VIN: 1G6DW52P6T
Thanks to everyone who responded. I did like suggested and turned the traction control off and drove the car. No more problem. After diagnose and much time the A.S.R. unit was found defective. Way too much resistance. But here is the kicker, the A.S.R. unit is...
1997 Chevrolet Blazer 4.3L 4x4 VIN: 1GNCT18W5V
Thanks for the info.the vacuum switch on transfer case was stuck in.But would not work,also had vacuum line leak up at intake manifold for switch valve
1998 Chevrolet Blazer 4.3L 3rd gear VIN: 1GNDT13W9W
Just about everyone said that the 3/4 clutches were bad. I replaced the transmission and the transmission now shifts into 3rd. Tore down the transmission(just for fun) and there was nothing left of the clutches. The entire transmission was extremely filthy. Af...
2008 Chevrolet Cobalt LT 2.2L cruise inop
sorry to get back to everyone late, turns out the third brake light was unplugged, one of the 3 bulbs was out. not sure why it was unplugged... replaced bulb replugged in, voltage on the wire to the tcm goes away brake pedal sensor working as normal on scanner...
1999 Dodge Durango SLT 5.2L MIL Lamp on VIN: 1B4HS28Y4X
Thanks for the replies. Customer says problem has not occured since last code read and clearing. Wish I could say we fixed the truck, but just don't have any new info to add. We are very thankful for all of your replies and help. Mike Trouble codes: P0204 (Inj 4 control circuit fires improperly), P0208 (Inj 8 control circuit fires improperly).
1997 Ford Ranger Splash 2.3L Poor Idle Quality VIN: 1FTCR10A0V
Thanks everyone. Thx to joseph and bill for explaining the normal operation which i thought was part of the problem. Found a cracked hose near purge valve thx to sky i believe. Did not change idle. I ended up backing out idle screw after i was cetain i had no ... Trouble codes: P1506.
1997 Ford F-150 Lariat 4.6L No Start VIN: 1FTDX1860V
With the customer irate with me,and me irate for having to test the vehicle outside in the cold,I but a magnetic heater on the block next to the crank sensor for 15 minutes.It started! I checked the sensor connector pretty thoroughly,and the wiring going to it...
1999 Ford Taurus SE 3.0L heater VIN: 1FAFP53U4X
WOW! IATN ROCKS! Thanks for fast, meaningful counsel. I raised the front of the car 3' off the ground with a fork lift and filled the system slowly with engine running. I think wasted a lot of time by not draining the system completely before filling the s...
2005 Ford F-150 FX4 5.4L Poor Idle Quality, Hesitation, Cuts out, Misfire, MIL Lamp on VIN: 1FTPX14565
It turns out that Michael was right. Number 1 spark plug was the culprit. The other misfires showing went away after #1 plug was replaced. Thanks! Trouble codes: P0300, P0301, P0302, P0303, P0304.
2008 Ford E-250 4.6L Tpms VIN: 1FTNE24W88
In the words of that great philosopher Forest Gump "Stupid is as stupid does". When I first started, I checked all of the 60 or so fuses and found no problems. What I didn't find was the missing fuse! Fuse #23 supplies power to the vehicle security module(V...
1995 Honda Civic LX 1.5L hed gasket VIN: JHMEG8656S
2001 Isuzu Rodeo LS 3.2L pulleys VIN: 4S2CK58W01
Okay boys, here it is. After trying to obtain as much info as I could I tore the thing down this AM. The problem is definately the "water pump" idler bracket. There must be sleeves to space this off the block. The prior shop used nuts, they must have los...
2002 Isuzu Axiom 3.5L cooling system VIN: 4S2CE58X62
8 replies, thank you all, Customer has never brought the vehicle back. He would like to try some of the suggestions himself first.Seems this vehicle was a total that he rebuilt. Suggestions include the fan clutch not operating properly. He had bought this used...
2004 Isuzu Rodeo S 3.5L MIL Lamp on VIN: 4S2CK58Y24
we pulled the high pressure fuel pump off the back of the head -found the seals were leaking and there is a screen inside the solonoid that was restricted -we replaced the pump and fixed the problem.
2007 Jeep Grand Cherokee Overland 5.7L Stall VIN: 1J8HR68237
Hello everyone, Well I waited a couple of days to close out this tech help request because I still can't believe that spark plugs fixed my problem. I took a plug out and checked it, it was a champion copper core plug. I checked the resistance and it was abou... Trouble codes: P0688, P0129.
2000 Lexus RX300 3.0L oil level VIN: JT6GF10UXY
thanks for all input on the repair procedure, vehicle had noticeable amounts of oil entering thru pcv valve and entering in only 3 cylinders due to intake plenum divider. valve cover was cleaned due to sludge ,and pcv valve was replaced with dealer part. th...
2002 Lincoln LS 3.9L ABS module VIN: 1LNHM87A92
I believe the brake booster sensor is part of the brake booster. Unfortunately I had to leave town and the customer had to pick up his car before I could proceed. If and when he brings it back I will post the fix.
2007 Mazda CX-7 Sport 2.3L Unknown
This vehicle has an aftermarket bicycle rack hanging on the rear hatch. While myself and the other Master Tech in the shop were discussing where to start, we noticed that the rear wiper was not in the park position. Upon loosening the bicycle rack, the wiper...
1995 Mercedes-Benz C280 2.8L coolant contaminated with oil VIN: WDBHA28E0S
So I tried putting a florecent die in the oil hoping that I could identify which it was oil or trans fluid. It did'nt give me any info really. It does'nt take long for the coolant to become butterscotch. With the external oil leak from head gasket or tim...
2007 Mercedes-Benz S550 5.5L No Start VIN: WDDNG71X07
thanks for the help, expecially steve from florida. Come to find out cam pulse wheels where on wrong; swapped both cam pulse wheels on both heads, no further problems. I assumed that the er and ar marked on pulse wheels meant exhaust right and air right: left ...
2002 Saturn Vue 3.0L Drive-axles VIN: 5GZCZ63B72
OK, this one is now fixed. Customer has been driving it for 4 days with no problems. We went back to the beginning. Even though I couldn't find a problem with the shoes and drums, I replaced them with a different brand. No more locked up wheels. To the e...
2007 Toyota Avalon XLS 3.5L pulling VIN: 4T1BK36BX7
Wow! 25 replies. I wish I had this much help when I was painting my house. Most replies suggested tires, specs, accident damage , brakes etc. I had rotated and cross rotated, checked the brakes, looked for accident damage. A few issues I encounterd were tire p...
1999 Volkswagen Jetta GLX 2.8L Fuse #14 VIN: 3VWTE29M9X
Big thanks to all who replied you guys saved me a lot of time on this one. The dome light was the culprit. The switch was laying in the cup holder. Once I pulled it apart a piece of metal went flying and it never blew a fuse again. Thanks again.
2004 Volkswagen Touareg V8 4.2L MIL Lamp on VIN: WVGEM77L84
replaced n115 canister purge valve and car has not returned.the last visit for this fault was 1000 miles ago ,so we'll have to see what happens now that it is getting real cold now.Thanks for everyones input.steve Trouble codes: P2422.
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