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Prev Professional Automotive Repair Technical Discussions for November 26, 2014
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Open Help Requests for All Makes and Models
Help Request Answers
2004 Audi Allroad Quattro 2.7L Front condensor fan VIN: WA1YD64B84
Hello Audi tech's, This front fan on the condenser is always at high speed when A/C on. There are no codes. Tried evac and charge and a new high pressure switch. Pressures are normal, never too high. It's annoying mainly because it's so loud! Has anyone come a...
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1999 Chevrolet Tahoe LS 5.7L noise VIN: 1GNEK13R7X
as the vehicle is started while cold soaked there is a popping or clicking noise in the accessory drive area. it almost sounds as if something is hitting against the fan. the fan is clear of debris. this noise happened after I changed intake gaskets, changed f...
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2001 Chevrolet Silverado 2500 HD 6.6L Poor Idle Quality, Surge, MIL Lamp on VIN: 1GCHK29141
I am trying to understand exactly what's going on and what PCM is looking for. I have replaced fuel rail pressure sensor because when I saw the data it was all over the place 10,000 to 15,0000 so fast I couldn't see them on the scanner. drove it 6 miles light ... Trouble codes: P0089
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2006 Chrysler Town & Country Touring 3.8L bus VIN: 2A4GP54L66
I hope someone has run into this before, because I am stumped!I will try to make a long story short... The bus goes down ONLY after vehicle is started, and if you unplug the alternator, the bus comes back...gauges, outside temp disp on overhead, etc. work with...
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2003 Dodge Ram 3500 5.9L Excessive Emissions, Surge, smoke VIN: 3D7MA48693
hi again and thanks in advance. my friends cummins smokes all the time. i used the only tool i have as i generally dont work on diesels,which is a genisis evo. so i do the injector kill test and when i kill #4 the smoke goes away. so naturally i replace #4 inj...
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2007 Dodge Charger SXT 3.5L No Start VIN: 2B3LA43G77
Dodge Guys, PLEASE HELP! Car was towed in with no start. Scanner shows no codes but only cranks with no start. After checking for fuel pump operation, I notice that the Integrated Power Module (underhood) fuses #14 25amp(PCM) and #15 20amp(Injectors and Coils)...
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2000 Ford Windstar SE 3.8L Mechanical noise VIN: 2FMDA5241Y
Hi guys, this minivan shows a tapping noise at warm idle in gear. It seems to be like a metal against metal noise. I'm not very good with mechanical noises and stethoscopes, I tried probing around and the noise seems to be coming from everywhere BUT it seems ...
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2011 GMC Acadia Denali 3.6L passenger and auxaliary heater VIN: 1GKKVTED8B
Both problems may be unrelated. Passenger side is cold all the time, driver's side has good heat. Rear heater core is cold. Topped off coolant but still no heat. Remove aux. heater hoses to release any air. Still no heat. Flush heater core. Rear had heat for a...
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1998 Jeep Cherokee Sport 2.5L Heating system VIN: 1J4FJ67S9W
There's very little heat in the car. I replaced the heater core because one hose was hot and the other was warm prior to the heater core replacement. Now both hoses are hot but the car still has very little heat unless the car is sitting with RPMS at 3000rpm. ...
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2014 Jeep Grand Cherokee Limited 3.0L No Start VIN: 1C4RJFBM6E
hello we have a new 3.0 dsl. jeep It was toed in with a no start condition there was a msg on the dash that said engine will not start service def see dealer I was able to get in with the witech scan tool and set it to let it run for 49 mi. till it locks out a... Trouble codes: P241D
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2009 Land Rover Range Rover Sport Supercharged 4.2L electrical VIN: SALSH22439
Hello Group, I have a 770 ma parasitic draw that goes away when I remove fuse 39 from the center fuse box.Fuse 39 is the B+ feed to the instrument cluster.I do give the system hours so that all modules are asleep. I checked high speed CAN and have 60 ohms as...
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2005 Mazda MPV ES 3.0L Misfire VIN: JM3LW28A05
van came in with p0171 and p0174, customer complained of misfires, no misfire codes and no misfires shown in mode 6. found intake tube between maf and tb ripped. replaced cleared codes and road tested. still running very lean. fuel trims run up to 25% both ban... Trouble codes: P0171, P0174
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1984 Mercedes-Benz 500SEC 5.0L valve train VIN: WDBCA44A5E
hello techs,this mercedes has a knocking noise metal to metal sound coming from the left bank sounds allmost like pistons hitting valves pluse i think chain noise,also its missing really bad like runing on 2 or 4 cylinders before i take the valve cover off wou...
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1996 Mercedes-Benz SL500 5.0L Unknown VIN: WDBFA67FXT
Customer describes a loud clunk only when turning left. The only thing we could reproduce which is only turning left is a feeling like the alignment is out on a 3/4 to full turn to the left causing the tire to step over itself. We replaced the front struts and...
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2005 Mercedes-Benz C230 Kompressor 1.8L timing chain VIN: WDBRF40J15
Vehicle came in for engine belt & tensioners. One evening it didn't start and sounded funny- timing issues with low/no compression. Pulled valve cover and saw that exhaust cam gear very worn down. I am in the process of trying to check compression loss in the ...
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2005 Mini Cooper 1.6L shifting VIN: WMWRC33445
the problem is that I have no shifter indicator l.e.d.,trans not shiting other than in manual mode,shifts perfect manually and the indicator works in manual mode.Now the scan data shows all the positions correctly other than the manual mode always shows on.My ...
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2006 Pontiac Torrent 3.4L Temp Blend Door VIN: 2CKDL63F26
Thanks for your responses -- has anyone used the Dorman 902-600 temp door repair kits for the Equinox/Torrent heater boxes. Looks pretty simple and saves 7+ hours labor for complete dismantling of the dash and heater box to replace the heater temp door. Any hi...
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2003 Subaru Outback 2.5L Mechanical VIN: 4S3BH67563
The car intermittently stalls. No DTC's. The speedometer and tachometer drops to 0 while car is still in motion and the vehicle eventually dies as if the alternator has stopped charging. When it stalls the battery is completely drained and cannot be restarted....
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2002 Toyota Sienna XLE 3.0L MIL Lamp on
Vehicle came in with misfires on cylinders # 1,3,and 5. Also had a code bank 1 sensor 2 heater circuit (solved). code P1349 vvt circuit control bank 1. I focused on misfires. checked injectors and coils all good. replaced lower intake manifold gasket and tha... Trouble codes: P1349 (vvt control system bank 1)
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2006 Toyota RAV4 Sport 2.4L battery light is on VIN: JTMBD32V26
one year ago it had the alternator replaced for the battery light on, all was well until 3 weeks ago, customer called and said the battery light would come on for a few seconds then go off. Every time she came in it was off and charging well and battery good. ...
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2005 Volkswagen Jetta 2.5 2.5L Timing Chains VIN: 3VWPF71K05
I have a 2005 Jetta 2.5L in the shop with the code P1340/17748 Camshaft pos. sensor / Engine speed sensor, Incor. Correlation. I am using VCDS. I read an article stating to go to measuring block value, group 093, field 4 to see if there is a problem with the c...
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2006 Volkswagen Touareg TDI 5.0L electrical VIN: WVGPT77L26
SHOP OWNERS TRUCK WAS WORKING FINE UNTILL THIS MORNING ,, ABS AND TRACTION / LEVEL HEIGHT / MULTIPLE WARNING MESSAGES ON DRIVER DISPLAY SCANNED VEHICLE AND HAVE SEVERAL MODULES ,, TRANS / ABS / LEVEL MODULE / ALL WHEEL DRIVE MODULE / NO CAN COMMUNICATION ...
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2013 Volkswagen Passat TDI SE 2.0L heater VIN: 1VWBN7A36D
VW techs, This passat has a manual heater/ac control. the problem is it has little heat on the passenger side. The driver side will produce 160 degree air from the far passenger vent. From left to right the vents get cooler. The far right vent only gets to abo...
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2005 Volvo XC70 2.5L Fuel Pressure VIN: YV1SZ59215
I have this XC70 with a reoccurring CEL with code POO89 fuel pressure circuit issue. Initial test of fuel pressure sensor showed sensor and fuel pressure gauge NOT reading the same @12-15 psi difference. We changed the fuel pressure sensor, installed a new fil...
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Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2006 Acura TL 3.2L power steering VIN: 19UUA66236
Funny how I had not seen this issue before and since this I have had three of them come in and yes it is the o-ring. Thanks to all.
27
2006 BMW 525xi 3.0L Starter VIN: WBANF33566
Customer did not want to spend any more money for diag time. Towed car to dealer.
2
2003 Buick Rendezvous CX 3.4L Driver info center VIN: 3G5DA03E73
we had to use the tech 2 to go into the the ip and change the setting to display tire pressure indicator
9
2000 Chevrolet Express 1500 4.3L No Start VIN: 1GCFG15W0Y
Once again I want to thank all the replies that came in. Special thanks goes out to Kevin from N.C. I did not think about looking at wave form with the scope on the coil, although the coil was good,I found a broken wire in the pigtail connector. if you touche... Trouble codes: 420 (Cat low efficent bank 1).
23
1999 Dodge Dakota R/T 5.9L Transmission VIN: 1B7GL22Z6X
Thanks again to everyone that replied on this one. We're not fixed yet, but we're gonna put the ball in the customers court, so I'll update with the results if they decide to go further. The customer authorized pulling the pan for inspection. Magnet is covere...
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2006 Ford Taurus SE 3.0L heat VIN: 1FAFP53U56
thanks for all of the help this vehicle turned out to have two problems, replaced the heater core and then the vehicle started to run hot removed the water pump and the inside was eaten up from electrolysis replaced it this took care of it thanks again for all...
25
2009 Ford Focus SE 2.0L Evap. VIN: 1FAHP32N89
We installed a purge valve, even though old one tested ok multiple times. Customer is driving vehicle to run evap monitor. We'll see what happens.
11
2004 GMC Envoy SLE 4.2L Poor Idle Quality, MIL Lamp on VIN: 1GKDT13S14
Thanks very much guys for the replies! Got this one all fixed up. It ended up being 2 things that were wrong here. First of all, my stupidity caused a big part of this because originally when I was testing the TAC power supply at the PCM connector, I was te... Trouble codes: P1680 (TCC PWM solenoid circuit), P2176 (TAC system idle not learned), P0740 (TCC circuit open), P0753 (1-2 shift solenoid), P0785 (Shift timing solenoid 3-2 shift), P1682 (Ignition switch circuit).
10
1984 Honda Civic DX 1.5L Misfire VIN: JHMAH5327E
After long discussion with customer, found head work was done by a not so reputable mechanic. customer has opted to take the car apart himself and take it to a machine shop that has more experience with this kind of work. thanks for the replies. If customer re...
10
2011 Infiniti QX56 5.6L Timing chain VIN: JN8AZ2NE0B
We finally have this one done. Sorry it took so long. Between waiting for parts and the special tool kit and fitting it in the schedule it's been too long. Thanks to Jerry from Arizona and Omar from California. Their reply's were quite helpful. The noise was i...
4
2010 Porsche Panamera S 4.8L Stall VIN: WP0AB2A71A
the customer states that this car is always driven in sport mode. We had put several hundred miles on it without a issue in either modes and switching it several times. In the actual values in the autologic the info was right on par with what position the but... Trouble codes: P0335, P1585, P1802.
4
2011 Ram 1500 Laramie 5.7L vvt VIN: 1D7RV1GTXB
Thanks for the replies everyone! I replaced the cam actuator and the solenoid last week and its still running fine.
3
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