Automotive Technicians Technical Discussion and Fixes for Jul 27, 2015

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Open Help Requests for All Makes and Models

	Help Request	Answers
	2006 Audi A6 Quattro 4.2L Misfire, MIL Lamp on VIN: WAUEL74F46 After the scan and picking up all the missfire code we just replace all eight coils and spark plugs all from dealer. we repaired some vacuum leaks around mass air flow. replaced and repaired connectors on three coils #1#2#3 started car and now it has missfir... Trouble codes: P0300, P0308 (cyl 8), P0306, P0301, P0303, P0305	View
	2002 BMW 745i 4.4L Dynamic Drive VIN: WBAGC63402 We have a 2002, 745i in our shop for some time. Troubleshooting why the BMW "Dynamic Drive Inactive!" message appears on the cluster display, and related codes stored. ARS System - 5D57 - ARS learning lateral acceleration sensor. This is a hard set code appe...	View
	2001 Buick Century Custom 3.1L Surge, Cuts out VIN: 2G4WS52J91 customer complaint of missfire bucking between 5o to 65 mph at cruise speed light throttle only.has had catylitic converter replaced,plugs & wires ,coils ignition module,egr valve,mass air,both crank sensor.tried it with cam sensor,tps,map unplugged no change....	View
	2005 Chevrolet Cobalt 2.2L a/c VIN: 1G1AK52F05 Ok little help here, 2005 chevy cobalt will leak all its evaporator water into front passenger floor area. Cleaned out drain on fire wall multiple times with coat hanger and compressed air nothing seems to be plugged but on long trip with a/c on passenger floo...	View
	2006 Chevrolet Equinox LT 3.4L sunroof VIN: 2CND173F86 when fully closed the glass and weatherstrip are still 1/4 below roof line allowing to much water intrusion than the drains can handle. the w/s itself is only 1/4 wide and its just touching the sealing edge.same in the center rear. the 2 rear corners adjusted ...	View
	1971 Dodge Challenger R/T 6.3L Cooling Systems VIN: JS23N1B360 Problem: Vehicle runs in the 220-250 range on a brand new temp gauge( verified with a IR therm.) Sitting in traffic it reaches near 250 deg. Vehicle specs: 383 engine( mostly stock from what we can tell) 4 speed manual with a 4.10 ratio rear axle( not origin...	View
	1999 Dodge Durango SLT 5.9L speedo VIN: 1B4HS28Z5X This is very intermittent some times from start in morning sometimes after long trip speedo drops 10-30 mph and sometimes to zero vss signal on scanner also drops. Using my old vantage I have a nice sine wave coming from vss at antilock brake controller and a ...	View
	2005 Dodge Ram 2500 Laramie 5.9L Cuts out VIN: 3D7KS28CX5 Came in with codes P0191,P0193'P1754,P2509. Found bad wire at fuel pressure sensor fixed checked Throttle Pressure Motor makes a sweep at key on. No codes back since I fixed bad wire at pressure sensor. It has always seemed to drop turbo pressure at high loads...	View
	2001 Ford Ranger Edge 4.0L Misfire VIN: 1FTYR14EX1 We received the vehicle with a complaint of running rough . Customer had already replaced coil and the codes p1000 system checks incomplete / po401 egr insufficient flow detected. Replaced dpfe code has not returned.replaced cyl 6 spark plug, cyl 6 injector, r...	View
	2003 Ford Explorer XLT 4.6L engine VIN: 1FMZU73W73 We rebuilt the trans. Everything went well. On the way back from the road test the CEL came on. It was for heater circuit for O2 sensor B1S1. We changed out the sensor and had no improvement. My guy that was working on replacing the sensor had Bank 1 and 2 con...	View
	2005 Ford F-150 King Ranch 5.4L radio power window VIN: 1FTPW12545 windows and radio will not shut off when drivers door is opened. when I go into special func. I can control all other outputs such as 4x4 light and relays etc in the cluster. all doors are showing on and off in cluster when I open and close the doors and close...	View
	2007 Ford Mustang 4.0L valve train VIN: 1ZVFT84N07 This is a new customer. He had his oil changed at a quick lube shop 3 days prior bringing it to us. His complaint is he hears a ticking noise from passenger side valve cover ever since his oil was changed. We changed oil and made sure to put proper spec oil, w...	View
	2011 Ford Explorer Limited 3.5L programming VIN: 1FMHK8F88B Hi i am programming new ABS and SCCM on this SUV but need the as built data please sent me this data thank you if anyone can get it because it looks like motorcraftservice as built data service is not working. Vin# [...]	View
	1994 GMC C1500 Sierra SL 5.7L Poor Idle Quality, Hesitation, Cuts out, Misfire VIN: 2GTEC19K5R thanks in advance for your help this one is killing me. Has miss on 8 came in for power loss and surge. Checked back pressure replaced cat truck ran better, but still have miss found egr bad replaced tried new distributor with cap and button and a coil new plu...	View
	2006 GMC Yukon SLT 5.3L Rear AC VIN: 1GKEK13T16 Happy Monday Everyone. This Yukon came in with the complaint that the rear AC was not cold, and the front was fine. At first we did not even check the front to see what the duct temp was but noticed that customer was correct and rear temp was around ambient te...	View
	2008 Hyundai Tiburon GS 2.0L compressor VIN: KMHHM66DX8 This car rolled in with an Ac problem:what happens is that after the Ac running for a good while,it turn off by it self(it has a miind of its on) and then after a while (10 minutes more or less)it comes back on. i have replaced the termistor,and then the 3 wir...	View
	2004 Jeep Liberty Limited 3.7L MIL Lamp on VIN: 1J4GL58K14 Car came in with check engine light on, this Jeep has been in on a regular basis. I tested the heater circuit, it has 12 volts at 100% duty cycle. I replaced both up and down stream sensors with Denso sensors. Code came back, rechecked voltage again with new s... Trouble codes: P0141	View
	2003 Land Rover Range Rover HSE 4.4L MIL Lamp on VIN: SALMB11453 Hello Everyone, I have a 4.4L BMW M62 engine where we replace the headgasket. We setup the Timing Chain with the timing kit tool. The engine runs fine but we get a 033 and 034 fault code ( camshaft control bank 1 & 2 fault). Sometimes the check engine light do... Trouble codes: 033 (Camshaft control bank 1 fault), 034 (Camshaft control bank 2 fault)	View
	1994 Lexus ES300 3.0L MIL Lamp on VIN: JT8GK13T7R car gets here car battery dead charge battery car starts an idles but wont rev up cuts out and chokes out fuel pressure is a bit low 35psi at idle. so I pull the vac hose at pressure reg and it has 48 psi it still wont rev up acts the same. ok try to pull code...	View
	1996 Mercedes-Benz E320 3.2L Antitheft VIN: WDBJF55F9T OK guys! i have searched far and wide for a bypass schematic for this factory alarm on this 1996 Mercedes E320 with no luck at all!. Here is the problem. the vehicles battery went dead after sitting for a month. i pulled the battery and charged it. after letti...	View
	2008 Mercedes-Benz ML320 CDI 3.0L Cuts out, MIL Lamp on VIN: 4JGBB22E48 We have a Mercedes CDI that the back pressure sensor intermittently not reading properly, And also sets p2359 Check system: Charge Pressure control. Too Low Boost Customer noticed that he started loosing power on hills and subsequently after that the check eng... Trouble codes: P2359	View
	2000 Mercury Villager Sport 3.3L No Start VIN: 4M2XV12T2Y Hello. Vehicle came to my shop few days ago on a tow trucks and customer told me that vehicle stalled on him and once I looked at it I find that it cranks and have spark injector pulse fuel and compression. I decided to replace the distributor just to make su...	View
	2006 Subaru Impreza Outback Sport 2.5L throw out bearing VIN: JF1GG68656 Client has a noise that only happens when the clutch is depressed and in gear, it is making a vibration woot woot noise, don't laugh that is the noise, I think it is the tob, but I have not heard this before, if you move clutch in and out with car out of gear ...	View
	2010 Subaru Forester XT Limited 2.5L Surge VIN: JF2SH6FC7A Hello everyone and thanks for the help on this one. I have this 2010 Subaru Forester with only 56,723 on the ODO. At 75 to 80 mph with a steady throttle the tach begins fluctuating between 3000 and 3500 rpms. The engine seems to run smoothly but it is almost l...	View
	2007 Toyota Corolla S 1.8L Parking lights VIN: 1NXBR30E87 Hello all and thank you in advance. I have this Corolla here that has no front or rear running (park) lights. When you turn on the headlamps with the switch, you can feel the relays click, and the headlamps turn on along with the indicator on the dash, but no ...	View
	1989 Volkswagen Cabriolet 1.8L Hesitation, Cuts out VIN: WVWCA0159K I bought this vehicle not running, the person I acquired it from had replaced both fuel pumps and filter. I first removed all of the fuel in the tank. I rebuilt the warm up regulator myself as I have on other vehicles and had great success. I set control press...	View
	2006 Volkswagen Passat 2.0T 2.0L shifter VIN: WVWAK93C36 We are unable to find any test details or procedures. We have been told there should not be any programming or relearn but not sure. Wiring all appears to be ok. If shifter is unplugged and plugged back in it will work for a moment.	View
	2006 Volvo V70 R 2.5L MIL Lamp on VIN: YV1SJ52766 vehicle has a fuel pressure sensor faulty signal code. all following readings are taken after 15 minutes of idling. fuel pressure on vida 400kpa +/- 10 kpa. same on fuel pressure gauge. fuel pump duty cycle is at 50% to 54% at idle. I am under the impression t...	View

Fixes & Summaries for All Makes and Models

	Fix/Summary	Answers
	1975 Chevrolet C10 Cheyenne 5.7L transmission VIN: CCV145F309 Inner skin of the Crossover pipe had collapsed increasing back pressure on engine.New crossover pipe has corrected problem.Thanks all for your suggestions	39
	1996 Chevrolet S10 LS 4.3L Hesitation, Stall VIN: 1GCCS19X7T the map sensor was bad.the vaccum hole on the sensor was clogged with carbon.i guess it would block the hole enough to make the truck die some times. thank you for the help Trouble codes: P1122, P0122.	10
	1997 Chevrolet Express 1500 5.7L No Start VIN: 1GNFG15R8V This bad boy is fixed , The cust desided to drive the van over the weekend, well 300 miles later, letting it sit over night no start at all, he hit with starting fluid and away the engine comes to life,he drives it straight to my door step and says its all y...	22
	2012 Chrysler 200 Limited 2.4L Cruise Inop Thanks everyone for your replies although a good share of them do not apply to this vehicle. The cruise control switch circuits are directly input to & from the PCM. The PCM supplies the reference voltage & recieves the switch command based on voltage drop acr... Trouble codes: P0591 (Speed Control Switch 2 Performance).	7
	2009 Honda Accord EX 3.5L a/c VIN: 1HGCP367X9 Customer decided to decline the diagnostic because it was going to take a long time by removing and checking al things one at a time. I thank you all so much for your help.	19
	2004 Land Rover Discovery SE 4.6L No Start VIN: SALTW19454 Found Wire Harness Pinched Under Valve Cover, Repaired Damaged Wire Harness And Replaced One Coil Pack Trouble codes: 4B, 46 (catalyst damage misfire cyl. 8), 43 (catalyst damage misfire cyl 5), 3E, 39 (Emission relevant misfire cyl 8), 36 (emission relevant misfire cyl 5).	9
	2008 Lincoln MKX 3.5L P0722 Speed sensor VIN: 2LMDU68C98 Hello everyone thanks to those who replied. This vehicle needed speed sensors. This appears to be quite a common issue. This customer opted not to repair this vehicle and decided to trade. The front plastic cover needs to come off and the valve body need...	4
	2006 Mercedes-Benz E350 3.5L No Start VIN: WDBUF56J16 I was not able to fix this one. had to send to dealer. As I said in the post engine had fuel pressure -Spark and injector pulse when it failed. Could not get any codes. Engine would start on third attempt almost every time. i always hat to send a car out but s...	7
	2008 Nissan Armada LE 5.6L ac VIN: 5N1AA08C38 thanks everyone had to replaced ac condensor had blockage. dryer part of condensor. after replace vacuum and recharge high side pressure jump to 175 psi low side stay 35-40 psi. system work fine driving on freeway vent read 44 degree.thanks again.	6
	2009 Nissan GT-R 3.8L Side airbag connectors VIN: JN1AR54M19 I received 3 replies, one suggesting the connectors are between the centre console and seats, one voting for the A or B pillar, but Jeff was correct that this particular car never had side air bags, despite it being a "Premium" model according to the VIN, henc...	4
	2010 Nissan Titan LE 5.6L No Start VIN: 1N6AA0EK6A Thanks for the replies. Most zeroed in on the used ECM I had installed, and they were right! Ordered a new blank ECM from Nissan, installed and programmed it. Starts and runs without having to reinitialize the BCM-ECM. All the information from ProDemand and... Trouble codes: P1610 (p1612-), P1612.	5
	2006 Pontiac GTO 6.0L Poor Idle Quality, Misfire, MIL Lamp on VIN: 6G2VX12U46 Hey guys. Thanks for all the suggestions. I began testing the wiring and found all circuits good. Upon cleaning terminals of PCM connector found all signals return to normal state. suspect poor PCM connection. thanx Again. Trouble codes: P0122, P0340, P0206.	7
	2011 Toyota Camry LE 2.5L LF caliper VIN: 4T1BF3EKXB The replacement caliper we used was defective. Replaced it with one from the dealer and problem is gone. Thank you everyone for your help.	40
	2013 Volkswagen Jetta S 2.5L Electronic VIN: 3VWPP7AJ1D we tested all fuses that were installed in vehicle. once we dropped the tcm from the inner fender well and pin tested for power we found no power. traced to fuse location in wiring diagram and when we attempted a continuity test we found the fuse missing. t...	5

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