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Prev Professional Automotive Repair Technical Discussions for January 9, 2010
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Open Help Requests for All Makes and Models
Help Request Answers
2001 Audi TT Quattro 1.8L MIL Lamp on VIN: TRUUT28N01
Customer came in for engine light on dash and stated no running problem. Found 2 codes,p1557, turbo pressure control limit exceeded.And p1297, turbo/throttle valve pressure loss. I havent done much work with turbos in the past and mitchell has little to no inf... Trouble codes: P1557, P1297
2001 Audi Allroad Quattro 2.7L Headlight Leveling VIN: WAUYP54BX1
This vehicle came in for routine work. One of the complaints was that the headlights were not leveling. We scanned the vehicle and found a 01533 Address 55: Xenon Range Labels: 4Z7-907-357.lbl Part No: 4Z7 907 357 Component: dynamische LWR D07 Coding: 00030 S...
2006 Audi A4 Quattro 3.2L central lock VIN: WAUDH78E26
Hi Fellows, The key remote on this A4 is not working ,so I ask the customer to bring both keys,so I replaced the battery in 1 of the keys due to no LED light up when you push the button. In 35-central lock is no communication ,so I try the 46-Cent-Convenience ...
1991 Cadillac DeVille 4.9L Excessive Emissions, Poor Idle Quality, Poor Fuel Economy VIN: 1G6CD53B1M
The OEM Cat was broken core-Replaced with Magnaflow. Customer came back after DIY tune up. after retrieve code 52, captured running data. Tested EGR manually and with alternate vacuum supply and it functions, but the load is 99% with ignition off, KOEO, KOER... Trouble codes: 52 (ECM Long-Term Memory Has Been Reset)
1999 Chevrolet S10 4.3L none VIN: 1GNDT13WXX
this vehicle is failing the smog check because the monitors won't set for evap, cat, or air injection. No codes runs good, ASM test on Dyno are great. I only need one of these monitors to set for this to pass smog, but which one is the cause? All systems are w...
2005 Chevrolet Impala 3.4L Steering VIN: 2G1WF52E45
The power steering pump makes growling noise,pump has been replaced 2 times.We have installed gm power steering fluid both times about three months later comes back again same noise.power assit still fine looked at the lines for leaks none found.checked steeri...
2002 Chrysler Sebring LXi 2.7L Surge, Cuts out, Stall VIN: 1C3EL55R82
yesterday vehicle came in no check engine light no. code... complain about vehicle stall,cut out,die while turning the steering wheel on the parking. cool down the vehicle. no affects on the cold start. when temp warms up start acting up. clean up the throttle...
1999 Ford Expedition XLT 5.4L rear wiper VIN: 1FMPV18LXX
Hello, Have a 99 expedition with no rear wiper operation. Have confirmed up & down relay operation however, I have no signal at the rear of the vehicle on the body side of the harness just before the "flex point" of the rear door/hatch. Question #1 has anyone ...
2004 Ford F-250 Super Duty Lariat 6.0L starter
nephew in is Maine, cold, installed air bags on rear suspension and arced cable on driver battery while adding wire to connection. I am in Ga and cannot access vehicle. He checked relay pin 30, has power, jumped starter and started vehicle. Emergency must get ...
2005 Hyundai Tucson GL 2.0L crank , no start VIN: KM8JN12DO5
used vetronix master tech and autoland vetus scan tools to attempt diagnosis. both scan tools read data error " 000 " when attempting to get data on engine controls. was able to read abs and transmission system. replaced ecu with a new dealer unit. cranks but ...
2006 Hyundai Sonata LX 3.3L No Start VIN: 5NPEU46F06
no start plugs front 3 are flooded clys are washed out is it poss that the purge valve stuck and caused flooding. cust states after fueling engine would not start fuel sample is clean . engine is tring to start i have not tried cleaning all 6 plugs yet just tr... Trouble codes: P2127, P2138, P0606
1999 Infiniti I30 T 3.0L Unknown VIN: JNKCA21A4X
This car (my daughters car) has no heat output. The engine temp is 203 when rad fans come on, and they go out at 195. New thermostat. I have mouth-blown into the heater core and it flows free. I have run the car with the heater hoses off, the and coolant flows...
1989 Isuzu Pickup S 2.6L Dash Lights VIN: JAACL16E9K
Hey Folks, This truck came in with a bad alternator. I repalced the alternator and now the dash indicator lights are all on when I start it. I can rev the enging and they all go off until I kill the engine. When I start it back up they come on and will stay on...
2004 Jaguar X-Type 3.0L battery light VIN: SAJEA51C14
Need some Help with this jag the Boss and I are at a disagreement on what is wrong The car came in on a slow to start issue and I found the battery needed to be replaced and that the alt was charging at 15.33 volts. I changed the battery and retested the syste...
1993 Mercedes-Benz 300E 3.2L Poor Idle Quality, Hesitation, Surge, Cuts out, Misfire VIN: WDBEA32E1P
Looking for a little bit of information, the car has a rough idle what seems to be a lean misfire and extended crank with surge when cold. Problem we have is it does not have a check engine light. Where the light is suppose to be is nothing more than the dash ...
1994 Mercedes-Benz SL500 5.0L MIL Lamp on VIN: WDBFA67E8R
Hi every one. This MB has check engine light always on yet can retrieve no codes with launch. I van't find any info for diag on check engine light on and no codes found. What am I missing? Thanks
2003 Mercedes-Benz C230 Kompressor 1.8L wiper system VIN: WDBRN40J23
Help Mercedes Techs!! This C230 came in from a local dealer with wipers that wont park. We tested and replaced wiper motor with a factory part and now they are completely inoperative. We have ran every test/ check we can think of with the Autologic, called tec...
2001 Mercury Cougar V6 2.5L Hesitation, Surge, Stall, MIL Lamp on, VIN: 1ZWFT61L81
Car ran so good when cold that I thought nothing was wrong till it got to operating temp. Then it has no power, bearly starts and will only accelerate to 1100 rpm. Fuel pressure on scanner stays at 38 - 40 lb. when running bad. How do I tell if MAS Sensor is O... Trouble codes: P0304 (4 Cylinder Misfire), P0306 (6 Cylinder Misfire), P1000 (Incomplete Drive Cycle)
1997 Nissan Maxima GXE 3.0L Starting VIN: JN1CA21D3V
hi all technician,i have this car nissan maxima,it has timing chain 4 cams,my problems is no spark at all in the coils,i check compression, is good,all fuses,grounds are ok.i do not where is locator crank sensor or module or igniter.and so.i apreciate for this...
1996 Pontiac Grand Am SE 2.4L Stall VIN: 1G2NE12T2T
Hello, I have a 96 pontiac in my shop brought in for a complaint of intermitant engine stall at what is described as a totaly random occurance, hot, cold, idle and cruise. The customer stated that when it happens the security light flashes and will normally r... Trouble codes: B1021
2001 Subaru Impreza Outback 2.2L Poor Idle Quality, Hesitation, Surge VIN: JF1GF48511
This car has a surging idle, and poor drivability in first gear. From the info on Mitchell, I tested 12V at the ECU (pin 5) and the info states it should be no greater than 3V. This seems a bit odd, but continued testing to find no other issues. The info says ... Trouble codes: P0505
2000 Toyota Tundra 3.4L Cuts out, Stall, no power VIN: 5TBBT4811Y
Truck was towed in for inoperative starter motor. Replaced starter motor with reman unit, now truck starts and will idle but as soon as we hit gas pedal it has no power and stalls. Scanner shows o2 sensors are going lean..Seems to be a fuel problem. LTFT +27%.... Trouble codes: P0171 (Bank 1 Lean)
2002 Toyota Sienna LE 3.0L MIL Lamp on VIN: 4T3ZF13C52
all data not working for now, need all the input on this matter& thanx for helping in the past. Trouble codes: P0440
2000 Volkswagen Passat 4 Motion 2.8L Battery VIN: WVWUH23B4Y
Just a little question... Working on this Passat and they have a Geo Metro battery in the bugger. Looked in my Interstate book and Interstate online and they have batteries listed for the year and engine but it says ex 4 Motion. Does this take a MTP-91 like th...
2001 Volkswagen Jetta GLS 1.8L Hesitation, Cuts out, Misfire VIN: 3VWSD68M11
car looses power under load above 3000rms. feels like a missfire on all cylinders. usually only when cold. will do it for about 30 minutes of constant driving then clear up. it does it whether the mass air flow is plugged in or not. i replaced spark plugs,inst... Trouble codes: P0300

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2003 BMW 745Li 4.4L engine VIN: WBAGN63433
I must say that this has been quite a learning experience. Thanks to all who have replied. The oil leak was in deed from the alternator bracket. Not too bad to do but a little tricky. Charged 6 hours plus seal, BMW coolant, cleaners, and a code clear/sc...
2005 Buick LaCrosse CX 3.8L MIL Lamp on VIN: 2G4WC53275
Had to replace the AIR pump, its was working but was weak. The P2440 code has nothing to do with O2 sensor or relays. During the test for this code, the valve is shut closed and pump turned on. It builds up pressure in AIR tube, wants to see a set amount of p... Trouble codes: P2440 (Sec. A.I.R. Valve Stuck Open).
1994 Chevrolet K1500 5.7L tcc lock-up VIN: 1GCEK14K5R
well i had some great replies to this one and i learned a lot first a 4l60e with a pwm will work in a older truck where it dont have a pwm it is just blocked off and will be a harsh engagement but you can use the 93-94 converter and it will work great secon...
2003 Chevrolet Silverado 1500 4.3L theft system VIN: 1GCEC14X23
Saturday morning ran the flow chart for the 2958 and as suggested in one reply I used a connector view to figure out wire colors. As I suspected was getting no signal from yellow wire to BCM, so I disconnected the 2 Bulldog boxes and unhooked the yellow wire a...
2003 Dodge Ram 1500 SLT 4.7L Turn Signals VIN: 1D7HA18N23
i was able to finally get the signals to act up in the shop . Ansd with the aid of a wiring diagram and a volt meter i was able to see the signal switch was the cause of my problem . But before replacing it i rechecked the wiring between the Front control modu...
2005 Dodge Caravan SE 2.4L MIL Lamp on VIN: 1D4GP25B66
2000 Ford Ranger XLT 3.0L door ajar light VIN: 1FTZR15V3Y
thanks to all who replied.the fix was a bad connection at the gem module.cleaned and tightened pins and all is good
2006 Nissan Altima 2.5L MIL Lamp on VIN: 1N4AL11D16
Thanks to all who replied, I ended up replacing the rear o2 sensor.I thought that might be the problem and a few replies gave a good feeling about it. After replacing the rear o2 the fuel monitor started to change from rich to lean,before it stayed lean at all... Trouble codes: P2A00 (Slow O2 sensor Bank1 sensor 1).
2005 Subaru Forester X 2.5L Radiator VIN: JF1SG63665
Wow!! What a great bunch of guys. I even got replies on Christmas Day. I forgot to mention in my original post that this Subie is a family member's car so the fix was "on me". I didn't want to believe it was a head gasket. I looked at many suggested things...
1994 Toyota Corolla DX 1.8L Battery VIN: 2T1AE09B4R
Hello There, It turn out to be the first thing I checked. The trunk light bulb. I had someone lock me in the trunk to see if the light went off. It went off close and on when reopened. Therefore I moved on to other things. I never look at the multimeter if the...
2001 Volkswagen Jetta GLS 1.8L MIL Lamp on VIN: 3VWSD69M11
thank you for all your replies. i replaced the mass air flow sensor and as soon as i turn the key on it throws a high input code. im pretty sure it will need a computer. thank you again. Trouble codes: P0103.
1999 Volvo V70 T5 2.3L MIL Lamp on VIN: C8X2587912
Closing this post, haven’t fixed this car, I know cat converter is flowing unfiltered gases, suspect ECU is reading the rear 02 and trying to lean out the mixture, customer may have to experiment at his cost and replace converter, thanks to all who’s already r... Trouble codes: P1171 (upper fuel trims).
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