Automotive Technicians Technical Discussion and Fixes for Mar 28, 2017

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	Help Request	Answers
	2001 BMW 525i 2.5L engine misfire VIN: WBADT43421 Hello, I have a 2001 525i in the shop that has a cold start misfire generating a P1351 code. This only happens when the car is cold, if it warms up for a few minutes the misfires stop. All vacuum hoses and caps have been replaced and long term/short term fuel ...	View
	2004 BMW 530i 3.0L Electronic VIN: WBANA73574 Vehicle came in and the vehicle has transmission malfunction on the indicator and was stuck in limp mode. Checked codes found 5088 transmission selector gear switch codes and found vehicle would not shift past 4000 rpms only in one gear. Replaced gear shifter ...	View
	2005 BMW 645Ci 4.4L rear glass VIN: WBAEK73435 Hi everyone I am looking for some advise on tomorrows project, the convertible top on this vehicle was not working because of the angle sensor but the customer manually lowered the top but did not lower the rear convertible glass. Now we can not get the glass ...	View
	2006 BMW 325i 3.0L wiper VIN: WBAVB17516 hello bmw techs. this beemer has had lots of work done on it. now im working on this wiper issue. they were staying on all the time. so i found the realy burnt and still running all the time. after i replaced the motor now they dont come on. i think it might b...	View
	2010 BMW 328i xDrive 3.0L cranks but doesnt start VIN: WBAPK5C54A Hi Fellows, I dont have much experiance on Euros and looking for a direction on this one I have got this BMW, it cranks but does not start. fuel pump has already been replaced because no fuel pressure. I scanned DME-history codes were following 29FE-CAT CONVER...	View
	2015 BMW 320i 2.0L Power Windows, SOS Call VIN: WBA3C3G52F Hello friends. I'm new here and this is my first post. I'm work with 2015 BMW 320i and have couple problem with emergency Call and rear window not work. Scan full car and found 2 codes in Rear Electronic Module REM:804846 Central locking Drive, rear window: li...	View
	2008 Buick Enclave CXL 3.6L No Start, Stall VIN: 5GAEV23718 car was towed in for no start, got in & turned key car started. drove & it stalled, wouldn't start. when it doesn't start no engine light on dash when turned key on. if you try & start when eng light is not on all lights on dash go out. when the key is turned ...	View
	2008 Cadillac CTS 3.6L accessorys VIN: 1G6DV57V88 Trying to find retained accessory delay relay. Some times the radio will stay on after key removed and LF door opened. Was told that one time 30 min after shutting car off that accessory still on. After key was cycled the system works normally. At first I thou...	View
	2008 Chevrolet Impala SS 5.3L No Start VIN: 2G1WD58C28 Car comes to us from a local used car lot. Their handyman installed a replacement 5.3 v-8 in this Impala SS. It cranks but won't start. Has a "hard crank" like it is out of time and ocasionally bucks and backfires. It always has injector pulse but has intermit... Trouble codes: P0340 (Cam sensor)	View
	2007 Dodge Ram 3500 SLT 5.9L Crank Thrust Bearing VIN: 3D3MX39C17 They told me that the only was that the thrust bearing was taken out was that the transmission had exerted to much pressure on the engine and wiped out the bearing. I have been in contact with tranny shops and they have no heard of this type of issue. I have...	View
	2015 Ford Expedition EL XL 3.5L Trailer module VIN: 1FMJK1JT7F Customer complaint: "Trailer disconnected" and "trailer connected" while moving message intermittently pops up in message center when towing trailer. Connect Modis Ultra and pull DTC B148B...Performed TSB as mentioned above, DTC B148B no longer returns, Wiring...	View
	2001 GMC Sierra 1500 SL 5.3L monitor reset VIN: 1GTEK19T11 truck came in for failed smog due to air injection monitor and defective vacuum hose from manifold to switching valve. replaced vacuum hose and switching valve. also replaced plugged check valves. pump operates properly and air is flowing into manifolds. custo...	View
	2010 GMC Sierra 2500 HD SLE 6.0L Trailer brake controls VIN: 1GT3CZBG1A We are able to use the scanner to actuate trailer brakes for the duration of the 30 second allowed test cycle. No actuation from dash control or foot pedal application. Replaced module and relay with known good parts, no effect on problem.	View
	2003 Honda Civic LX 1.7L Cuts out, Stall, MIL Lamp on VIN: 1HGES16593 Thanks fellow techs for reading my post. This car came in originally with battery light on a clicking relay for pcm the check engine comes on clicks goes off. No communication to scanner. Found battery cables loose and bad replaced those . Replaced pcm with a ...	View
	1994 Jaguar XJS 4.0L no tachometer VIN: SAJNX2746R This car has no tachometer, and was recently purchased so there is no history on it. The wiring diagrams for both the 94 and the 93 both show two wires on the negative side of the coil. One is the ignitor signal, the other runs to the tachometer through a resi...	View
	2010 Jeep Commander Limited 5.7L engine VIN: 1J4RG5GT2A Since we worked on this jeep we have changed the oil using full synthetic oil,castrol and she is still using 3 plus quarts between oil changes. no leaks. upon my research ive been hearing of an oil trap or possible pcv problem. not sure which way to go. any id...	View
	1997 Land Rover Discovery SD 4.0L Poor Idle Quality, Hesitation, Surge, Stall, MIL Lamp on VIN: SALJY1242V I've had this 1997 Land Rover Dicovery with me for a few weeks, it was bought with the customer knowing that it will need quite a bit of work to make it road worthy especially runnability wise. The customer was given many spare parts with the vehicle when he b... Trouble codes: P1316	View
	2006 Land Rover Range Rover HSE 4.4L MIL Lamp on VIN: SALME15406 Hi guys i have this p0128 code i can't getvrid off i teplace the upper thermostat and the lower also its seems like the car is taking too long to warm up about 20 min coolinf fan is working fine it has a new collant temperature sensor new mas air flow sensor a...	View
	2001 Lexus RX300 3.0L vss malfunction VIN: JTJHF10U21 Suv came in for mil lamp on condition, as well as ABS light, Air Bag light and VSV light on. Scan engine controller for data and codes. Found service code P0500, vehicle speed sensor malfunctioning. During test drove ECM data shows all normal parameter except ...	View
	1991 Mazda RX-7 Turbo 1.3L Mechanical VIN: JM1FC3523M I don't do many rx7 rotor cars but was talked into this one. The customer said car was running good when he pulled up to a stop the engine went dead and would not start back.I can start it when cold but with great difficulty but it will not idle I can keep it ...	View
	1996 Mazda Miata 1.8L Poor Idle Quality, Stall, Misfire VIN: JM1NA3539T Engine starts then die less than a min later and plugs are dripping gas fouled. Have performed pcm pin out test and all inputs look within normal range, has new temp sensor. Temp reading and IR temp same, rechecked cam and crank timing all in time, Test mass a...	View
	2004 Subaru Forester XS 2.5L instrument cluster VIN: 1F1SG65654 This vehicle will turn off fuel guage, tach and have both turn signal I dicators on and blinking with headlights turned on. With headlights turned off, signal indicators will still both show but the instrument cluster functions normally. Have looked at grouind...	View
	2010 Subaru Outback 2.5i 2.5L Cuts out, Misfire, MIL Lamp on VIN: 4S4BRBGCXA vehicle towed in.no power and multiple misfires.observing scan data with car in the shop at idle as soon as the throttle is depressed both the vvt solenoids duty and voltages go to zero.all other Subaru's that I've monitored do not follow that scenerio.at this... Trouble codes: P0301, P0302, P0303, P0304	View
	1995 Volvo 850 Turbo 2.3L dash VIN: YV1LW5713S Hi all.Past history of vehicle is unknown-hasn't run since oct 2016 at least.I have no power to fuel pump,dash(warning lites or gauges),coil,injectors,relay#103(fuel pump-main?)or to fuel pump fuse.Ihave Alldata but I'm having a hard time deciphering the diagr...	View

Fixes & Summaries for All Makes and Models

	Fix/Summary	Answers
	2011 Audi Q5 Premium 2.0L ABS, TCS,MIL,TPMS and Parking brake failure lights VIN: WA1CFAFP0B The Q5 is fixed. It was just the wire to the RR speed sensor. Yellow wire. Somewhere between the LF door sill and RR fender well. When I ran a temporary wire, all the modules would let me clear codes and all the lights went out.Why one wire would mess up so mu...	3
	2012 Audi A6 Quattro Premium Plus 3.0L MIL Lamp on VIN: WAUGGAFC5C Thanks Haakan, Scott and Dave for your help. Haakan and Scott told me there is a problem with these timming chains. Dave told me to check the oil I did and it was full.Haakan suggested I walk away from this job because I do not have the tools and knowledge to ... Trouble codes: P0016 (Bank 1 cam and crank sensor correlation), P0018 (Bank 2 cam and crank sensor correlation).	3
	2011 BMW X5 xDrive35i 3.0L High Speed Fan VIN: 5UXZV4C51B Thank you all for the help on this one. First time with this vehicle. Water Pump took care of all the concerns. Old water pump impeller was tight and binding. Once pump was replaced, DTC would clear and pump sounded strong when put in Test Mode. Complete repai...	16
	2014 Cadillac Escalade ESV Platinum 6.2L Suspension VIN: 1GYS4KEF9E So even after an hour of talking to TIS tech help and describing exactly what we were dealing with I received no help as to why all the readings were incorrect in the ESC system and there was no "bump stop" reset option. Finally I had the shop that was working...	4
	2007 Chevrolet Suburban 1500 Z71 5.3L Rear diff VIN: 3GNFK16337 Thanks for all of the help. I can only assume that the vehicle is repaired. After our two attempts. One lasting 2 weeks and the other 3 days and no obvious reason, we sent the diff to a specialist. His claim was that there was something wrong inside the carrie...	25
	2010 Chevrolet Traverse LT 3.6L Stall VIN: 1GNLVFED1A Really never found answer to question what makes up load percentage, replace MAF sensor (did lower percentage by 5%) has no MAP sensor, Baro reading must be part of MAF, fuel pressure & volume were in specs, when it stalled it would shut down all, like the PCM...	11
	2012 Chevrolet Colorado LT 3.7L Head lights VIN: 1GCHTDFE1C After driving this vehicle for some time I learned that when it glitches the headlights don't shut off if the headlight switch is in the manual on mode. Also the vehicle glitches during the day when the lights are in the auto mode but are off because of the da...	10
	2004 Chrysler PT Cruiser Touring 2.4L Poor Idle Quality, Hesitation VIN: 3C4FY58B14 This PT Cruiser is now running good. After spending countless hours checking, double checking & triple checking cam timing, cam dowel pins, every sensor on the engine, we decided to take this one to the dealer. Their summary for the fix was the ignition coil...	24
	2005 Chrysler PT Cruiser Touring 2.4L Poor Idle Quality, Hesitation, Misfire, Poor Fuel Economy, MIL Lamp on VIN: 3C8FY68B35 yeah, well the customer had to take back the car to go to work, so i didnt get to continue. i have an appointment with her monday, i am going to clean the valves. there is a small leak on 1 we found on the leak down test. im going to clean the valves first and... Trouble codes: P0301.	8
	1994 Dodge Ram 2500 5.9L Excessive Emissions, Poor Idle Quality, Cuts out, Stall VIN: 1B7KF26C3R Was able to determine the injectors were stuck open. removed all 6 injector lines and pured fuel on the top where lines went and compression blew back indicating stuck open injectors. pulled the fuel tank to inspect. clean so we replaced the lift pump,injectio...	7
	2010 Dodge Avenger R/T 2.4L Hesitation, No power VIN: 1B3CC5FB7A Sorry for the short summary but the owner has been on an extended business trip and wont be back before time expires on this request.The last I talked to him it has been gradually getting better after the oil change. I was hoping to get a similar vehicle to co... Trouble codes: P0017 (Timing correlation crank/cam bank 1 sensor 2).	15
	2001 Ford F-150 XL 4.2L MIL Lamp on VIN: 1FTZF17231 Thank you again for all your help, this one really kicked my butt. After replacing intake gasket, we found leaking at intake runner shafts at rear of intake, we informed cust. that intake needed to be replaced, he opted to take truck to ford dealer, they said ... Trouble codes: P0171, P0174.	23
	2013 Ford Focus SE 2.0L MIL Lamp on VIN: 1FADP3F20D Thanks to all for their input, after replacing the PCM the DTC's related to the o2 heater and the o2 sensor low voltage did not return. Trouble codes: P0137 (O2 sensor circuit low voltage b1s2), P00D2.	7
	2015 Ford Transit-250 3.2L MIL Lamp on VIN: 1FTNR2CV8F First thanks for the replies. David hit it. The tank heater tested bad , replaced heater and shipped it. My snap on scanner did not show the heater code just the p204f code. Tested in generic mode and found the heater code. Trouble codes: P204F.	7
	2009 Land Rover Range Rover Sport HSE 4.4L Mechanical VIN: SALSF25449 2 replies saying remove the assembly and 2 replies saying to remove the dash.I removed the assembly.On my car,the left footwell vent wraps around the dash frame and connects to the heater box.That would make it very difficult to remove the dash first.With the ...	5
	2006 Lincoln Navigator Ultimate 5.4L Doors, side steps VIN: 5LMFU27526 Alright... this one is fixed, after much time spent and lucky to have a very patient customer I tracked it down to the "Lift Gate Module" behind the left rear panel. It's the module at the rear of the car since there are two behind that panel. I disconnected a...	4
	2007 Mercedes-Benz GL450 4.6L Misfire VIN: 4JGBF71E17 Thanks for all the input on this one. The vehicle has been fixed. We replaced the ECM with a used one and sent it to Beckmann Technologies. They Unlocked it and I had it reprogrammed. Started the vehicle right up and found no more misfires. Thanks Beckma...	9
	2004 Mercury Sable LS Premium 3.0L Temp Control VIN: 1MEFM55S04 I am sorry to say that the vehicle was in a collision which we just found out.It was a total loss. I never had a chance to repair this. I was leaning towards replacement of the temp door motor.	5
	2008 Mitsubishi Lancer Evolution MR 2.0L MIL Lamp on VIN: JA3AW56V68 Turns out the performance exhaust that the customer installed is a empty cat just waiting on his decision to repair. thanks for all the input Trouble codes: P0134 (No activity b1s1), P0420 (Catalytic converter below effeiency).	8
	2006 Toyota RAV4 2.4L MIL Lamp on VIN: JTMBD33V56 Sorry guys we were waiting for the customer to approve more diagnostic time, and she decided to take it for a trade, we told her may get by with a timing chain set installed, but with that many miles should consider an engine! thanks again guys. Trouble codes: P0016 (c1201-), C1201.	4
	2010 Toyota Tundra 4.6L Unknown VIN: 5TFUM5F1XA THANK YOU WHO REPLY.AFTER TESTING WE BELIEVE TORQUE CONVERTER IS THE PROBLEM BUT CUSTOMER DOES NOT WANT TO FIX AT THIS TIME.IF HE DECIDE TO BRING BACK WE UPDATE THE POST.	9
	2006 Volkswagen Passat 2.0T 2.0L immobilizer VIN: WVWEK73C66 I'm going to close this request even though the car isn't repaired. I did get a few suggestions of possibilities but could not get a definitive answer on how to test the various components to isolate a failed unit. I have the email addresses to the folks that ...	11
	2010 Volkswagen Tiguan S 2.0L Misfire VIN: WVGAV7AX2A It turns out the #4 coil was bad, causing the major misfires on #2 also. When I swapped coils I swapped 1 and 2 with no change. Valuable lesson learned on a VW. After replacing the #4 coil all major misfires were gone. Now due to the crankcase breather leaking... Trouble codes: P0300, P0302 (Misfire cyl 2), P0304 (Misfire cyl4), P130A, P0506 (Idle Control System RPM lower than expected).	18

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