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Prev Professional Automotive Repair Technical Discussions for March 18, 2015
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Help Request Answers
2012 Audi Q5 Premium Plus 2.0L Mechanical VIN: WA1LFAFP3C
Are there any special scan tool functions in doing brake job on this car
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2005 BMW 325xi 2.5L Mechanical VIN: WBAEU33435
Attention bmw techs !! customers complaint was that car would not move as rpms would increase as if transmission were slipping. Problem would occur for a few seconds, then go away with no other symptoms for a week or more. We recommended and performed a transm...
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2006 BMW X3 3.0i 3.0L Engine VIN: WBXPA93496
I turned the car on with the disa valve disconnected and the car run for a little bit and die, haven't start sense. I put a new disa valve on it and still no start, it sound like has no timing belt or chain but later it built up pressure after trying for a bit...
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1998 Chevrolet K1500 Silverado 5.7L abs VIN: 1GCEK19M8W
We replaced literally every single part in the brake system , master cyl., anti lock module , pads , rotors ,whl. cyls. etc.etc. and as soon as you start the vehicle we lose the brake pedal , but when the truck is not running it has a good pedal , we bleed the...
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2002 Chevrolet Suburban 1500 LT 5.3L ABS System VIN: 1GNFK16Z92
Ok guys I know there are alot of front sensor clearance issues, I have checked, rechecked and cleaned all 3 sensors. I know the next step is to scope everything, but I'm leaning towards it not being a wheel speed issue. If there was a problem with the VSS, the...
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2003 Chevrolet Silverado 2500 6.0L Slow starting VIN: 1GCHK29U53
Truck will not do it every time,runs good no codes,will always start just cranks longer at times,seems to do it more often in warmer temps,teck two shows evverything is ok
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2005 Chevrolet Express 3500 6.0L Electrical VIN: 1GCHG39U15
We have a 2005 GMC G3500 with an intermittant problem. Whenever it wants, it will not shut off. New battery periodically is completely dead. With key out of ignition, the service engine light will be on. Scan tool will be on when this happens. Start van and al...
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2007 Chevrolet Silverado 1500 Classic LS 4.3L engine VIN: 1GCEC19X77
Ok, feel like an idiot here, guys, but Ive got to be missing something. Installed a new jasper engine in this truck, and it refuses to start. Timing is set, timing light verifies #1 plug sparking at 0 degrees TDC, by the upper timing mark. It seems to be getti...
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2007 Chevrolet Suburban 2500 LT 6.0L Door Locks VIN: 3GNGK26K17
Thanks in advance for any information that might help us solve this problem. This Suburban is a news van with various transmitting and receiving components in it. Vehicle also has an Auragen Generator on it to support all the electrical equipment that it runs....
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2012 Chevrolet Sonic LT 1.4L Surge, MIL Lamp on VIN: 1G1JD6SB3C
Vehicle brought in for check engine light. After road test found an uneven idle and a slight surge on light acceleration. Ran flow chart and didn't lead to a concrete fix. Acts almost like a vacuum leak but didn't turn up any problems when check for leaks. Any... Trouble codes: P0171 (System too lean), P1101 (Intake air flow system performance)
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2005 Chrysler Sebring Limited 2.7L MIL Lamp on VIN: 1C3EL65RX5
LTFT raise to +33 on both banks at idle and under load (cold or warm). Pending codes set within 30 seconds of engine running, check engine light illuminates on second drive cycle. Engine idles smoothly. Very slight hesitation present on acceleration, though po... Trouble codes: P0171 (System too Lean Bank 1), P0174 (System too Lean Bank 2)
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2008 Chrysler Aspen Limited 5.7L Shudder or rumble VIN: 1A8HW58228
Hello, and thank you for your help. I have this Aspen with an 'ever since'. We changed the spark plugs ( with the proper Champions) and coil boots, and changed the trans fluid and filter ( with ATF +4), among other fluids also. Now 'ever since' the truck when ...
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2009 Chrysler Sebring Touring 2.7L Convertible Top VIN: 1C3LC55D99
Chrysler techs, I could really use some help with this one. This vehicle came in with a complaint of the power top not working at all. Communication with the PTCM revealed code b252a. Not really knowing where to immediately start we confirmed the complaint of...
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2010 Chrysler Town & Country Touring 3.8L Surge, Misfire VIN: 2A4RR5D11A
Well maintained 2010, old lady driven. No codes. Vehicle surges/misses very slightly at cruise only, like a strong buffeting headwind or turbulent air when passing a semi on the freeway, although not as intense. Or like when one VVT cam is stuck out of positio...
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2004 Ford F-250 Super Duty Lariat 6.0L hard binding VIN: 1FTNW21P14
truck came in with broken pitman arm shaft on gearbox. cust was driving slow straight right after startup and turned wheel and kept going straight. replaced steering box and flushed system, have brakes but no power steering. when acellerate will have power and...
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2008 GMC Acadia SLE 3.6L Rack and pinion VIN: 1GKER13748
Hey guy's, I've got a 2008 Saturn Outlook coming in next week for a new rack n pinion. It's says 7hrs. in the labor guide, I'm wondering if there are any short cuts or words of wisdom on performing this task. Thanks for taking the time to respond.
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2004 Honda Odyssey LX 3.5L main shaft senson VIN: 5FNRL185X4
fellow honda techs. have this honda with a code p0715 main shaft senson. test wires at sensor and have proper reading both at sensor and at computer. if i back prob sensor i have a 5v square wave pattern but at computer i have a flat line at 5v. i check the ou...
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2005 Jaguar XK8 4.2L Headlights VIN: SAJDA42C35
The problem seemed to be cured for a short time, but then went back to unreliable performance in the Auto Mode. Now, the headlights will not go on in Auto Mode. The continue to work well in Manual Mode. I concluded early on that the headlight switch was not th...
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2007 Jeep Compass 2.4L mil VIN: 1J8FF47W27
vehicle produces poob cam sensor/solenoid slow response code . pcm not grounding solenoid for exhaust came .voltage drop test on pin 74 connector 2 and solenoid wire ok. replaced pcm/re flash .same thing .You can not control the exhaust solenoid with scanner e...
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2000 Lincoln LS 3.0L secondary air VIN: 1LNHM86S7Y
thanks in advance have code p0411.so far check air pump runs ok.blow air from outlet. i have not check further yet. any thought appreciated.
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2004 Mazda MPV LX 3.0L High Line Pressure VIN: JM3LW28A94
Vehicle has very high line pressure. OD light flashing upon start up. Charging system OK. Grounds OK.
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2003 Mercedes-Benz SL500 5.0L gauge VIN: WDBSK75F43
Is there a good way to know if the fuel sender or the gauge is not working? I removed the sender and with an OHM meter checked the sender and it increases and decreases steadily as I move the level. When it's plugged in, I have 5 volts at the supply wire. On t...
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2006 Mercedes-Benz E350 3.5L Timing VIN: WDBUF56JX6
This car has a nightmare from the very beginning. It started making a ticking noise about two months ago, customer refused to leave it with me long enough for a proper diagnosis. I recommended changing the oil because it was overdue and told her if the noise p...
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2009 Pontiac G6 GT 3.9L bolt in the block VIN: 1G2ZH36129
Anyone ever seen oil leaking out of the AC compressor bracket bolt near the oil filter adapter? The bolt looks like it screws into the block near an oil galley. Does it require sealant or could the block be cracked near the bolt? We have not disassembled it...
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2006 Toyota Sienna LE 3.3L Unknown VIN: 5TDZA23C26
Toyota tech, please help on this bad boy here. Car came in with randomly traction control light on, car loss acceleration & ABS activate for no reason. Install scanner, pull code 5dtcs. c1223 - malfunction in ABS system. u0121 - lost communication ABS module. ...
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2005 Volkswagen Passat GLS 2.0L Engine VIN: WVWAE63B65
Got this diesel vw here. Its my boss's car. He's been complaining of this noise for a year now. The engine is loud like a diesel. But theres an extra noise in there. Its a rhythmetic noise that occurs about 3 times every 2 seconds at idle. Hard to say exactly ...
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Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2006 BMW 325i 3.0L long crank VIN: WBAVB13506
Problem was a defective BMW part! Don't see that often. Car is fixed. Thanks again to all whom took time to read and respond! Ty
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2007 Cadillac Escalade 6.2L Transmission VIN: 1GYFK63837
SENT VECHICLE TO DEALER THE TCM VALVE BODY WAS BAD THEY ALSO HAD TO FLASH TCM CUSTOMER SAID COST WAS 800.00 DOLLARS I APPRECIATE ALL THE REPLIES !
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1986 Chevrolet C20 Silverado 5.7L MIL Lamp on
Thanks everyone for your response. This system only monitors air injection. I found a wiring diagram and system tests buried in alldata. I found both air pump electric solenoids open. Hoping to find some new ones, but its looking fairly grim. Will update this ...
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2006 Chevrolet Monte Carlo LT 3.9L Surge, Stall VIN: 2G1WK15156
Thanks to all that replied. it was the Camshaft solenoid actuator.
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2005 Chrysler Town & Country Touring 3.8L MIL Lamp on VIN: 2C4GP54L25
I had looked at the O2 sensor switching and the rear was switching almost as fast as the front. I replaced the converter today, and when it was removed found the flex joint to be cracked and had been leaking. I'm sure that probably contributed to the problem.... Trouble codes: P0420 (Catalytic Converter 1/1 efficiency).
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2001 Ford Windstar LX 3.8L Hesitation, Surge, Cuts out, Stall VIN: 2FMZA51431
Could not get to act up again. tried for 3 days before returning to customer. vehicle has been gone several weeks and called customer to verify no problems. one of those that still has me scratching my head but what can you do... I guess whatever ghost it had ... Trouble codes: P0340.
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2003 Ford Expedition XLT 5.4L instrument cluster, dome lights, door locks VIN: 1FMFU16L23
Tested all grounds and power wires to modules, all good. Tested VSM for bad connections and removed VSM out of different vehicle and could not reproduce problem. VSM was not programmed to this vehicle but problem did not require vehicle to be started. Old VSM ...
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2013 Ford Focus SE 2.0L Bcm VIN: 1FADP3F29D
I've received several responses about running PATS access through IDS on this vehicle, but as noted below, the vehicle will not respond. I am moving this to the forum for further discussion.
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2008 GMC Acadia SLT 3.6L Poor Idle Quality VIN: 1GKEV23718
We will be purchasing a used engine and transmission assembly from a yard. This is not a regular customer of ours and he has been probably dealing with problems for some time. It did not help that he waited almost 12000 miles to perform an oil change and that... Trouble codes: P0741, P0011 (Intake Camshaft Position Sensor Sys Performance Bank 1), P0016, P0017 (Crankshaft Position Exhaust Correlation Bank1 Test Failed), P0018 (CKP Intake Camshaft Position Correlation Bank 2 Test Failed), P0019 (CKP Intake Camshaft Position Correlation Bank 2 Test Failed).
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2004 Hyundai Santa Fe 2.4L MIL Lamp on VIN: KM8SB12B64
After performing a VE test (thanks to Timothy from Wisconsin)we have pretty much determined the MAF was the problem. We installed a new MAF (from the dealer) and now waiting until customer takes a ride to see his son (long steady cruise at highway speed is wh... Trouble codes: P0121 (TPS Values out of Range).
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2000 Jaguar XJR 4.0L MIL Lamp on VIN: SAJDA15B9Y
Sorry everyone. The customer was not willing to replace the PCM. I waited the last 2 weeks to see if by chance maybe he would come back. But no such luck. Thanks to everyone who replied. Trouble codes: P1646.
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2001 Jaguar XKR 4.0L No Start VIN: SAJDA41B71
Waiting on parts for this one. Got one response that said these are pretty easy and that aftermarket had always worked fine for them. I should be good to go on Friday when everything gets here. Thanks again for the help.
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2012 Jeep Patriot Limited 2.4L Door Ajar Indicator VIN: 1C4NJRCB4C
The customer was from out of state, so we didn't have a chance to pursue / diagnose with the information we received from the IATN techs. The general consensus was that the Violet / Dk Blue wire circuit was possibly grounded. 1 suggestion was to unplug compon...
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1995 Pontiac Firebird Formula 5.7L Misfire VIN: 2G2VF22P2S
Sorry about the late reply. This vehicle is 40 miles away (80 miles round trip)at a tire shop. Next time I'm that way I'm going to replace the wire to the PCM. Again the miss is on #2 cyl. When I swap injector connector from #2 to #4 the misfire moves to #4 an... Trouble codes: 18 (Injector circuit).
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2007 Pontiac Torrent 3.4L lifters VIN: 2CKDL63FX7
Hey guys The Torrent is fixed. I actually changed oil twice. First time to see if I could verify good oil pressure, then the second time after I replaced head gaskets. The customer didn't want to mess with lifters so I left them alone. Noise seemed to disappea...
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2007 Saturn Vue Green Line 2.4L Mechanical VIN: 5GZCZ33ZX7
Compression test was bad, 60-80psi, leakdown test was even worst, no cylinder would hold more than 70% for more than 5 seconds. Told customer chain most likely jumped and engine is toast. Customer decided to junk car.
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