Automotive Technicians Technical Discussion and Fixes for Jun 28, 2016

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	Help Request	Answers
	2011 Audi Q7 Premium 3.0L Excessive Emissions, Surge, Hard Starting Hot VIN: WA1CGAFE6B Car came in with hard starting and running rich. First thing we plugged off the evaporative emissions purge valve with not change also replaced just in case but no change. Check manometer and found what we though was excessive crankcase vacuum. 120 millibar wh... Trouble codes: P1129 (Bank 2 multiplicative mixture adaption system too rich), P0136 (Bank 1 Probe 2 Electrical fault in curcuit), P0156 (Bank 2 Probe 2 Electrical fault in curcuit), P2240 (Lambda probe 1 bank 2 open curcuit), P0133 (Bank 1 probe 1 signal too low), P, 0153 (Bank 2 probe 1 signal too low)	View
	2012 Audi A4 Quattro 2.0L Hard Starting Hot VIN: WAUBFAFL3C Car came in complaining of hard start when hot after driving. Code stored for evaporative emissions leak codes, lean codes and rich codes. Replace purge valve and shipped car. Car returns with same hard start issue after driving and sitting for a few minutes. ... Trouble codes: P2188 (Systeim too rich at idle)	View
	2003 BMW Z4 3.0i 3.0L Convertible roof/signal lights in cluster & dimmer VIN: 4USBT53493 Good Morning BMW techs. This 2003 Z4 came in with a few complaints, Roof inop. no flasher signal in cluster, air bag warning light on. and a general maintenance request. At first road test, flashers worked fine and roof was opening and closing properly. we per...	View
	2001 Chevrolet Silverado 2500 HD 6.6L front cover VIN: 1GCHK29111 Truck came in with a no start condition. Found the crank dowel pin broken. Machined and replaced the pin. Truck starts and runs. Problem is the oil is leaking badly from between the crankshaft and reluctor wheel. We replaced the crankshaft seal twice with GM p...	View
	2006 Chevrolet C6500 Kodiak C6C042 7.8L power steering, Hydro boost VIN: 1GBJ6C1386 Truck came in no power steering, and the brakes very hard... had power steering pump rebuilt, and steering gear box rebuilt... still no power steering or brake pedal. If we jack front end up the power steering gets easy and the pedal comes.. the fluid is getti...	View
	2008 Chevrolet Suburban 1500 LTZ 5.3L compressor VIN: 1GNFK16348 hi fellow techs I have this 2008 chevy suburban which came in with a bad compressor and clutch I replace the compressor and orifice tube and dryer and charged 3.0 of r134 system work properly .low side 40 and high 200 to 240 at idle fan on ac request on scanne...	View
	1997 Dodge Ram 1500 ST 5.2L Hesitation, Misfire VIN: 3B7HF13Y1V When the truck sits for awhile or first thing in the morning, the truck starts and runs fine when you accelerate at about thirty miles an hour it will bog down and start to pop thru the exhaust, you can accelerate harder and it comes right out of it, at highwa...	View
	2008 Dodge Ram 3500 Laramie 6.7L TCC engagement VIN: 3D7MX48A38 I need some insight on this truck. Cust brought truck in for trans issue of" It feels like it jumping out of gear" test for codes no TCM codes stored. Did find 4 codes stored in PCM as stated above. First thing I tested the batteries and the alt. and all passe...	View
	2008 Dodge Grand Caravan SE 3.3L Misfire, Gas smell This van came in for a check engine light and a P0301 code. Plugs and wires were worn out. Replaced plugs and wires, Test drove with no misfires returning. Started up cold the next day and cylinder 1 was missing again just for a few seconds then cleared up. Do... Trouble codes: P0301	View
	1999 Ford F-550 Super Duty Lariat 7.3L starter stays engaged VIN: 1FDAF56F7X hey guys truck was towed to me by owner he said would not start changed staryer solenoid and ign switch himself now starter is always engaged solenoid on right fender uis always energized the signal wire always has voltage checked at ignition switch red and li...	View
	1999 Ford Ranger XL 3.0L MIL Lamp on VIN: 1FTYR10V1X hi all,honda mech working on daughters ford ranger,3.0l metal intake..has code p0174,lean bank 2.all signs lead to intake leak,but I cant find one.engine seems to idle a little high when hot.idles a little rough,02 signals are different,with bank 2 showing lea... Trouble codes: P0174	View
	2003 Ford F-350 Super Duty XLT 6.0L battery drain VIN: 1FTWW33P23 battery drains over night on this diesel,anyboby know of any common problems with these trucks that would drain battery over night and some times in just a few hours?	View
	2008 GMC Sierra 1500 WT 5.3L Mechanical VIN: 2GTEK13308 replaced the transfer case assy, in this truck, after replacement the truck will not pull in drive will pull in 1st and second and shift to drive manually but will not start of in drive. im not a trans shop nore do I want to be leave that work to the experts. ...	View
	2003 Hyundai Santa Fe 2.4L Mechanical VIN: KM8SB12B93 car came in started up but when u put it in gear it had no pick up after checking out found lower balancer and key way were no good reset timing belt and marks installed new balancer an key way started car let run 5 minutes an idle starts goin up an down and s...	View
	2013 Hyundai Sonata GLS 2.4L Radio VIN: 5NPEB4ACXD Good morning, as the saying goes - "Its ALWAYS something!" this car came in with no start problem; customer told us it needed a jump start for the last 'week or so'. We tested and replaced the battery. NOW -- the radio does not work. The screen is dark, no re...	View
	2003 Infiniti QX4 3.5L MIL Lamp on Thanks in advance for any help is appreciated. First off this infiniti is throwing a P0011 IVT control code intermittently, like once a month, but is getting worse to now its throwing the code about once a week. When it came in we did an oil change and the cod... Trouble codes: P0011 (IVT Control)	View
	1991 Jaguar XJS Classic Collection 5.3L radiobatt VIN: SAJTW4848M the radio has code message I have put code in with no luck I need some help on how to enter code thanks	View
	2004 Kia Rio 1.6L Poor Idle Quality, Misfire, MIL Lamp on VIN: KNADC12534 I have replaced the timing belt and components along with new head gasket, head bolts, intake & exhaust manifold gasket. Checked engine compression which was 180 in all cylinders. Engine cranked in first go but idled rough. Checked vacuum leak, ignition wires,... Trouble codes: P0303 (Cylinder 3 Misfire)	View
	1997 Land Rover Range Rover SE 4.0L starter no crank VIN: SALPV1245V This car came in and will not crank. I noticed that the check engine light does not come on when the key is turned on. I have read numerous issues about this problem and it means that the Becm and Ecm are not communicating or not synchronized. I do have Autolo...	View
	2007 Lexus ES350 3.5L MIL Lamp on VIN: JTHBJ46G97 Thank you in advance for your help. This car has no symptoms, but it sets a code for the transmission solenoid. There is a TSB to test the resistance and if correct, replace the TCM with an updated part # 89530-33041. We checked with our dealer, and found out... Trouble codes: P2716	View
	2008 Mazda 5 Sport 2.3L MIL Lamp on VIN: JM1CR29318 We get a PO2128 Immediately, A used Throttle body assembly was put on by the customer. We scanned and see No Throttle Pedal readings for 1/2 of the pedal applied on graph , So we changed to a used throttle pedal, Readings still the same?? Tried to clear code p... Trouble codes: P2128	View
	1991 Mercedes-Benz 500SL 5.0L itermittent no start VIN: WDBFA66E7M Hi Everyone, this 91 500 SL stalled while the customer was driving it. It wouldn't restart not even the next couple of days. Got towed to the dealer, it started fine every day, they couldn't duplicate the problem at all. He gets it back, and got stuck again. T...	View
	2000 Mercedes-Benz S500 Guard 5.0L no start, no power windows or locks VIN: WDBNG75J5Y Car sat for around a year. Started fine the first time after installing new battery. Then would not shut off, now when you turn the key on instrument cluster lights up but no crank. No power windows, door locks, mirrors, or power seats. can turn key on and jum...	View
	2007 Mercedes-Benz GL450 4.6L Trailer Lighting VIN: 4JGBF71E57 Vehicle in because the trailer brake lights and running lights are not operating. The hazard lights and turn signal lights are working. We have replaced the rear sam and it is working as it should. Checked the coding and all coding is up to date. Checked wirin...	View
	2008 Mercedes-Benz GL450 4.6L Can Data VIN: 4JGBF71E58 Looking for some MB techs that may have some experience with CAN diagnostics. Here is my dilemma. After repairing height sensor and wiring, vehicle would not raise suspension unless CAN line to susp module was unplugged. More importantly, vehicle will not run...	View
	2006 Subaru Impreza WRX 2.5L Engine VIN: JF1GD79636 Looking for a little direction in diagnosing a personal vehicle, this 2006 wrx smokes on deceleration only. It has had regular synthetic oil changes and isnt using an excessive amount of oil. I'm leaning toward a bad turbo oil seal and was going to remove the ...	View
	2004 Toyota Prius 1.5L Brake pedal hard to push VIN: JTDKB20U74 Brake pedal feels heavy and hard to push, I've never driven a Prius that has brakes that feel like this. Feels like a regular car with a bad vacuum booster but Prius doesn't use vacuum in their brakes. Extra pedal effort is required to stop the car and even t...	View
	2012 Toyota Camry LE 2.5L A/C Flow Sensor VIN: 4T1BF1FK9C Thanks for your time !! this Camry A/C system will work for 20 - 30 minutes when first turned on every time, after that it will shut down ,at no time during this first 20 or so minutes will i have a return signal from the flow sensor. When it shuts down i los...	View
	2003 Volkswagen Jetta GLS 1.8L fans on for about 10 mins VIN: 3VWSE69M23 seems like there is a lot of information on this problem but none seems to be helping me. The fans stay on for about 10 minutes after the car is off while its cold. turn the key forward and the fan turn right on. I've already replaced the fan control module wi...	View
	2006 Volkswagen Jetta TDI 1.9L Excessive Emissions, Hesitation VIN: 3VWCT81K96 This vehicle was originally smoking white after idling, some oil in compressor housing, had turbo rebuilt by local shop with good reputation, this included replacing center section of turbo also. After replacing turbo the vehicle started setting overboost code... Trouble codes: P0234	View

Fixes & Summaries for All Makes and Models

	Fix/Summary	Answers
	2004 Audi S4 4.2L Mechanical VIN: WAUPL68E94 Dont know how or why but got a used Intake And Replaced Intake Manifold Noise Is Gone.	12
	2005 BMW X3 2.5i 2.5L Stall VIN: WBXPA73495 This BMW X3 is fixed, but unfortunately I cannot claim credit. One morning I started the X3 and just kept driving until it warmed up and continued to drive it until it drove fine and operate normally. The next time I started it cold, it started and ran fine an... Trouble codes: 2882 (DME- mixture preparation bank 1 P0171 lean bank 1), 2883 (DME- mixture preparation bank 2 P0174 lean bank 2), 276D.	12
	2010 Chevrolet Camaro LT 3.6L trunk VIN: 2G1FB1EV3A Thanks, appreciate the help, found broken wire at trunk	4
	2012 Chevrolet Silverado 1500 LT 4.8L MIL Lamp on VIN: 3GCPKSEA4C Hi guys sorry about the delay in getting back to this. Again did verify circuits and found all to be good. Called customer to get permission to tear down and customer stated that it is not causing any performance concerns so he would come get it. Well he calle... Trouble codes: P0011 (CAM Timing).	5
	2003 Ford F-150 XL 4.2L Ac Heat VIN: 2FTRF18203 VACUUM LINES ALOT OF YOU WERE RIGHT AND I THANK ALL OF YOU.	10
	2005 Ford F-150 FX4 5.4L Timing Chain VIN: 1FTPX14535 thanks for all the help. we never saw in misfire data in mode 6..but we did figure the spark plugs have never been changed and we decided to change them and yes they all did break inside heads, but after working on them for alittle while we were able to replac...	9
	2005 Ford E-350 Club Wagon XL 6.0L No Start, Cuts out, Stall, MIL Lamp on VIN: 1FBSS31P35 We end up call the identifix tech lines. We follow the procedure & run couple test & end up suspect a turbo issue. We tear the turbo apart, clean all carbon & put everything back, still doing the same things. We get a high back pressure reading compare [...] Map,... Trouble codes: P0299, P1397.	4
	2006 Ford E-250 4.6L ride control VIN: 1FTNE24W56 I HOPE I HAVE REPAIRED ALL THAT WAS WRONG AFTER ASKING FOR HELP I WAS TOLD TO REPLACE THE BALL JOINTS THAT ANOTHER SHOP HAD PUT IN THAT TOOK 99% OF THE PROBLEM OUT NOW I AM ALIGNING IT . THAT SHOOD REPAIR THE REST.THNKS TO ALL WHO HELPED. CHARLES	19
	2008 Ford F-250 Super Duty XLT 5.4L Mechanical VIN: 1FTNF21538 Well it is gone. Ended up being the scored cam cap. From now on I will be pulling all left front and right rear cam caps for inspection before pulling timing cover. I would not keep enough oil supplied to left head causing all my head aches. Thanks to all who ...	9
	1989 GMC C2500 Sierra 5.7L Hard start VIN: 1GTGC24K7K Well everyone gets an A and I get to sit in the corner with the pointed hat on. Replaced the ECT and connector. Cleaned the ground bolt and connector. That took care of it. Thank you all.	12
	2005 Mazda 6 S 3.0L MIL Lamp on VIN: 1YVHP80D15 OK, I believe we fixed it as the problem has not returned. I knew that we had oil pressure at the Bank 2 solenoid but I wondered if we had a oil volume problem. Short of tearing the motor apart, the only thing I could come up with was to blow air back through ... Trouble codes: P0022.	5
	2007 Porsche Cayman S 3.4L IMS Bearing VIN: WP0AB29887 Thank you to all that responded we weighed it out and the best way to go is with an SSF engine that they sell on their web site. We spoke to the re-builders that recondition those engines and it quite impressive what they do internally to those engines to upgr...	5
	2000 Toyota Avalon XL 3.0L MIL Lamp on VIN: 4T1BF28B9Y To all of you who shared their expertise, the problem was solved. The previous shop that did the head put the ground on the valve cover, we relocated it to the original position and deleted codes drove 20 miles to verify and codes were gone. Thank you very m... Trouble codes: P1135 (A/f heater circuit b1s1), P1155 (A/f heater circuit b2s1).	15
	2006 Toyota Tacoma Pre Runner 4.0L No Start, Stall VIN: 5TETU62N86 Thanks to everyone that replied. The customer ended up needing the vehicle before I could finish the diagnosis. The truck died somewhere and would not restart. He had it towed to a nearby shop.The fuel pump was replaced at that shop and the problem has not ret...	9
	1998 Volkswagen Beetle 2.0L Poor Idle Quality, Misfire VIN: 3VWBB61C8W Replaced the brake booster. All is great, thanks my friends. Getting the ball out of the plastic piece inside back of brake pedal was no fun. Car runs great now though. Trouble codes: P0300 (Random misfire), P0301 (Misfire cylinder one), P1582 (Idle adaptation at limit).	13
	2004 Volkswagen Jetta GL 2.0L Misfire, MIL Lamp on VIN: 3VWRA69M94 The timing cam gear was plugged with slug new gear reset timing vacuum at 20" no more cam codes. Reset all monitors car is fixed Trouble codes: P0303 (Cylinder 3 misfire), P0304 (Cylinder 4 misfire), P0300 (Mulitiple misfire).	19

(Also Available: All, Asian, Chrysler, European, Ford, GM.)