Automotive Technicians Technical Discussion and Fixes for Mar 24, 2016

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	Help Request	Answers
	2001 BMW Z3 Roadster 2.5L Unknown VIN: WBACN33471 customers complaint on hard accel just before the shifts vehicle has a bumping in the trans tunnel area. Have duplicated cant see any thing loose or worn in rear diff area. could be carrier sub frame but bushing appear ok	View
	2006 BMW X5 3.0i 3.0L No message from DSC VIN: 5UXFA13586 Hi BMW guys, I've got this BMW X5 3.0L from my friends repair shop. Couple of people have looked at it before including myself. Originally it came with all ABS, 4x4 lights on the cluster, there were couple codes in transfer case module, including "oil wear lim...	View
	2006 BMW X5 4.4i 4.4L Air suspension VIN: 5UXFB53596 This BMW air suspension randomly leaks down in the front and randomly throws an air suspension code 74-accumulator pressure constant. The interesting part is everything will be good for several days no leaks and no codes. Some days i will come in first thing t...	View
	1993 Chevrolet K1500 Cheyenne 5.7L Poor Idle Quality, Hesitation, Cuts out, Stall, Backfire VIN: 2GCEK19K9P Trucks main concern is a back fire through intake. Only happens when you first snap throttle from idle or a steady load. Mainly when you take off from a stop, it will backfire, hesitate, then go like normal. With airfilter off a fire ball will shoot out of thr...	View
	1998 Chevrolet C1500 Cheyenne 5.0L Wipers VIN: 2GCEC19MXW Regular customer, well maintained truck. Came in Monday with the wipers running on intermittent all the time. I have been through the obvious, module, etc. then I realized this happens only when the engine is running. In accessory, they work properly. No probl...	View
	2007 Chevrolet Avalanche LTZ 5.3L remote start VIN: 3GNFK12367 Hello everyone, I have an Avalanche here--good customer of ours. He bought it not too long ago and didn't even know it had a remote start, and we would like to get it working for him. I have gone through all the systems and fixed the DTC's because I know it wi...	View
	2008 Chevrolet Avalanche LTZ 5.3L AFM Lifter/VLOM After previous repair engine cranked and ran ok. However after lifters primed there was a misfire still on bank 2. Removed bank 2 valve cover and both cylinder 4 rocker arms were stationary. Upon further diagnostics the rocker arms make 2 full strokes during c...	View
	2011 Chevrolet Camaro LT 3.6L top convertible top is baggy around rear section at body. stops on rear of convertible top do not mesh with stops on body..they are too far forward. mechanism looks fine, adjustment bolts are tight, customer said it just happened last week. saw a post on identifix...	View
	1991 Chrysler LeBaron 3.0L Compressor VIN: 1C3XJ4538M need wiring diagram for ac system on this unit	View
	2004 Chrysler Sebring 2.4L Immobilizer VIN: 4C3AG42GX4 Using a Matco Maximus 2.0 Scan tool. Customer contacted me to program a replacement key. Key and pin were purchased from dodge dealer,pin 6876 they refused programming stating that they did not have the correct equipment to program. Scan tool says to run as a...	View
	2011 Dodge Durango Crew 3.6L Unknown VIN: 1D4RE4GG3B I got a 2011 dodge Durango 3.6 awd on acceleration it has a slight vibration and clicking noise. feels and sounds like a bad axle shaft but when checking it no unusual faults of any axle or drive shaft(cv style no u joints)drove in the rear of truck then front...	View
	2000 Ford Excursion XLT 6.8L fuel gage VIN: 1FMNU40S5Y Hi every body out there . I got these car to do smog test on it , find out one o2 sensor it is not functioning normally replays it and the reading is good , only problem cant get o2 sensor monitors get complete , I used ford scanner monitor reading shows to or...	View
	2011 GMC Savana 3500 4.8L No Start VIN: 1GDY72CA1B Van Was Wrecked Left Front. They Replaced Left Frame Rail. Has No Start, No Crank. Scanner Will Not Communicate With PCM, Transmission, Antilock Module, And Roll Over Sensor. Checking Modules Under Module Set Up I Can See BCM, Radio, Door lock Modules. Looking...	View
	2007 Honda CR-V LX 2.4L Hard start VIN: JHLRE483X7 I have here a 2007 honda cr-v with 2.4l engine. It is exhibiting an extended crank time anytime it is left to sit for 4-6 hours or more. Fuel pressure was monitored, was slow to build-each time it was cranked it built a bit more until vehicle finally started. ...	View
	1999 Jeep Cherokee Sport 4.0L Cooling Systems VIN: 1J4FF68S4X need help one this jeep	View
	2000 Land Rover Discovery Series II 4.0L Suspension VIN: SALTY1242Y Does anyone know of a way to wake up the air suspension module without a factory scanner? This vehicle was raised up without disabling the rear air suspension. The rear is now sitting on the stops. I've tried with the scanners that I have with no success. Disc...	View
	2000 Lexus RX300 3.0L No Start, Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, Misfire VIN: JT6GF10U8Y Hi, thanks for all the help in advance. So I bought to fix and sell this car from my body shop friend. He drove it for a few weeks and said the only issue he felt was a hard shift. Then one day it wouldn't start. I got it at my shop and got it to start while h...	View
	2003 Mercedes-Benz SL500 5.0L Lighting VIN: WDBSK75F23 Start car turn on the head lights and left front headlight flickers. If we turn on lights then start car light stays on no flicker. changed sam, igniter bulb and control unit nothing changed. swapped everything from left side to right side,only to have the r/f...	View
	1985 Mercury Cougar 5.0L No Start VIN: 1MEBP92F6F Have been chasing a VERY intermittent no start since the first of the year. Actually for several years but I have literally had the car here since January. Cranks but won't start. It is incredibly intermittent and very difficult to catch in the act. Fuel press... Trouble codes: 18 (No tachometer input or spout circuit open), 63 (Throttle position signal)	View
	1998 Mercury Tracer LS 2.0L Excessive Emissions, Hesitation, Stall, Poor Fuel Economy, MIL Lamp on VIN: 1MEFM13P8W I Got This Nightmare . It Runs Pig Rich. The PCM Is Commanding 48% Fuel Pump. Which Is max Fuel Pressure. I can Lower the fuel pressure with my Bi directional's on my scanner. it's a returnless fuel system. The scanner fuel pressure & gauge are real close. So ... Trouble codes: P0190 (Fuel Rail Pressure Sensor), P0193 (Fuel Rail Pressure Sensor High Input), P0460 (Fuel Level Sensor Circuit)	View
	2006 Mitsubishi Eclipse GT 3.8L Ignition Key VIN: 4A3AK44T16 The key/key fob is completely broken. Car ran fine until the key broke, now car will not start. We can get a new key from the Mitsubishi dealership, but they are stating that the vehicle has to be brought to them to program the new key to the vehicle. Wonderin...	View
	2006 Mitsubishi Raider XLS 4.7L Poor Idle Quality, MIL Lamp on VIN: 1Z3HC48N56 Here I am again. I've got a Mitsubishi Raider with a 4.7L(Dodge engine) and it's idling rough with a PO303. Since there isn't any misfire counters on my Varis Pro, we pulled the coil connector and #3 cyl. is definitely got a problem. It doesn't have a hard mis... Trouble codes: P0303	View
	2007 Nissan Xterra X 4.0L Stuck In 4th VIN: 5N1AN08U07 Customer came in with vehicle stuck in 4th gear. check engine light on. scanned codes. loss of communication. so i scanned the TCM and it read error. no communication to or from TCM. then it should a code for park safety switch. someone bypassed it to starter....	View
	2002 Oldsmobile Silhouette GLS 3.4L No Start VIN: 1GHDX03EX2 No start condition. Solid spark, good fuel pressure. Injectors do not pulse while cranking. Verified power at the injectors and was able to manualy command injectors on by grounding the opposite wire at each injector. Vehicle will fire momentarily on starting ...	View
	2006 Pontiac Torrent 3.4L Readiness Monitors VIN: 2CKDL63F76 Hello everyone and thanks for the help on this one. I have this pesky 2006 Pontiac Torrent with the 3.4 engine that will not ready for smog. The EGR and EVAP monitors will not run and this customer has driven the vehicle 300 miles. My employees and I have dr...	View
	2004 Porsche 911 Turbo 3.6L Hesitation, Cuts out, Misfire, wont scann VIN: WP0CB29924 Car has a problem with running rich as well as will bog and sputter under boost and misfire on mostly cyl 1 2 3 and sometimes 4. It will also have a choppy idle and occasionally stall. My main problem is that the car will not read while running at all it just ... Trouble codes: P0300 (Random Miss), P0301 (Miss Cyl 1), P0302 (Miss Cyl 2), P0303 (Miss Cyl 3), P0304 (Miss Cyl 4)	View
	1998 Saab 900 SE Turbo 2.0L MIL Lamp on VIN: YS3DF78N2W fails smog at the 1500 rpm test under load while trying to smog. it almost makes it through to the next step but then it all of the sudden turns on the ck engine light. its almost like this is on a timer as we tryed to smog this 6 times and the samme thing eve... Trouble codes: 0171 (lean turns on engine liite end of 1500 smog test)	View
	2001 Saturn LW300 3.0L Lifters VIN: 1G8JW82R01 Hello, we have a stumper here. Vehicle came to us with one or two noisy lifters. We got authorization to tear down the top end to access the lifters and found five lifters that were collapsed. Camshafts looked great, cam bearings looked great. Cranking the eng...	View
	1993 Subaru Legacy L 2.2L No Start VIN: 4S3BC6338P Hello fellow techs, need help with this Subaru. Vehicle came in with a no start. Inspected spark, injector pulse, and fuel pressure and vehicle had none of them. Checked for power to main relay had no power on the light green/white wire to the relay from ECM. ...	View
	2010 Subaru Outback 2.5i 2.5L Cuts out, Misfire VIN: 4S4BRBCC6A Good morning everyone. I have a odd problem. I had performed a oil change service on said vehicle along with a summer tire change over. I was doing my normal service checks during my service and notice the previous quick lube shop left air filter 1/2 out of ai... Trouble codes: P0301, P0302, P0303, P0304	View
	2010 Subaru Outback 2.5i 2.5L blower mtr inop VIN: 4S4BRBCC3A blower fuses under hood blown replaced fuses,but no operation. power to blower and resistor poss ground issue need wiring diagram	View
	2004 Volkswagen Touareg V6 3.2L Poor Idle Quality, Misfire, MIL Lamp on VIN: WVGBC67L34 customer traveling broke down on the way home. car was towed from another shop fuel pumps were disassembled and broken repaired fuel system. car runs now but surges and no power. not sure if other shop could have disconnected or broken anything else or this wa... Trouble codes: 16645 (p0261 inj 1 short to ground), 16651 (p0267 inj 3 short to ground), 16648 (p0264 injector 2 short to ground), P0300, P0303, P0302	View

Fixes & Summaries for All Makes and Models

	Fix/Summary	Answers
	2009 BMW X5 xDrive30i 3.0L Hesitation, Surge VIN: 5UXFE43529 Unfortunately, the customer needs the vehicle back so we will not be able to see this vehicle to completion. Thanks again for the help!	8
	2003 Chevrolet Silverado 1500 5.3L fuel lines leaking VIN: 1GCEK19T13 I have fixed this truck... Whew , if I had this to do again I wouldn't do it . The steel lines at the engine were still o.k. so I decided to leave them alone. My fix was to take my Dremel tool and remove the flex lines at the old assy. going up to the engin...	16
	2007 Chrysler 300 C SRT8 6.1L No Start VIN: 2C3LA73W07 I jumped pins 30 and 87 on the ASD relay to eliminate having as many problems with that circuit as possible. In doing so I now have 12 volts to the injectors and ignition coils. Checked power and grounds at PCM numerous times. I even went so far as to hook up ...	4
	2010 Chrysler Sebring Limited 3.5L System Leak VIN: 1C3BC6EV6A After replacing the evaporator and getting the car back together, I checked for leaks again and let the car run while monitoring the pressures. Everything checked ok. I added about 2oz of BG A/C system stop leak to the system and let it go. I don't really like...	15
	1996 Dodge Dakota 3.9L Misfire, MIL Lamp on VIN: 1B7GG23X6T So after doing some digging we were able to get the correct pcm for the vehicle, and after replacement the misfires stopped counting(after adaptive neumerator was learned) and has been returned to the customer for a week with no problems. Thanks again for eve... Trouble codes: P0300, P0301, P0302, P0303, P0304, P0305.	20
	2006 Dodge Ram 2500 SLT 5.9L Poor Idle Quality VIN: 3D7KR28C26 Truck is fixed! I thank all who took the time and lent their experience. Gilbert in my defense I did state that I WAS NOT looking for a silver bullet but I do appreciate your response all the same. The calculated load turned out to be the most helpful PID i...	5
	2006 Ford Freestyle SE 3.0L Limp Mode VIN: 1FMZK041X6 ok guys,,, this one has been repaired. A special thank you to Brian from Pennsylvania. The problem with this car was a bad coil. Now, this had no misfire codes and no misfires in mode 6. What I found was that I could get it to misfire while power braking in... Trouble codes: P2104, P2112.	6
	2007 Ford Explorer Sport Trac Limited 4.6L Transfer Case VIN: 1FMEU53897 Thanks to Mike & Kent for pointing me in the right direction. It turned out to be the spicer cross at the front of the front driveshaft. The caps had seized to the cross causing it to bind-up. I find it odd that the noise/vibration was worse at the t-case than...	4
	2009 Ford Focus SE 2.0L MIL Lamp on, p0443 VIN: 1FAHP35N09 After load testing the wiring for the vapor management valve circuit, wiggling connectors, and checking pins, it was determined that the PCM was not supplying a proper ground for the valve to reliably open. Replaced the PCM and vehicle is fixed. Trouble codes: P0443.	5
	1998 GMC K1500 Sierra SL 5.7L EVO/VTD Module VIN: 2GTEK19RXW Thanks for all of the replies fellas! I tried everything but the signal generator tip. Was not able to locate one. They brought me another used dash, but the TCCM and wiring were different. NP8 not NP1. They decided to punt, and had that jewel towed out of her...	7
	2008 GMC Sierra 1500 WT 4.8L Mechanical VIN: 1GTEC19C78 I like to thank everyone for there inputs and big effort to help we found the problem by removing cylinder head and found a bad intake valve seat, valve was ok the seat was slightly worn enough to cause the misfire at idle, valve job was done and the problem s...	13
	2005 Jeep Grand Cherokee Laredo 3.7L Fuel Gauge VIN: 1J4GS48K05 Checked all associated grounds and then went into tracing the problem as if it were a harness issue, since the left ABS Sensor, Fuel Gauge, and the back up light circuit seemed to be involved, (when vehicle was placed in the reverse position the fuel gauge wou...	11
	2005 Mazda 6 i 2.3L no crank no start no communication VIN: 1YVHP84C15 Customer has declined to repair vehicle at this time. due to time constraints with open post time, I need to close this request. I'm fully on board with the vehicle being jumped backwards	9
	2002 Mercedes-Benz C240 2.6L Front turn signals VIN: WDBRF61J52 Hello everyone and thanks for the help. Most directed me to a service bulletin for this exact problem. The headlamp assembly connections get burnt and that is where the contact problem lays. When an open or short occurs to the lights, the front SAM cuts pow...	11
	2005 Nissan Altima S 2.5L No Start VIN: 1N4AL11D75 Hello everyone and thanks for the help on this one. This was an odd one. I was never able to get the vehicle to act up. I received many replies and plenty brought up cam/crank sensor issues which I have witnessed many times on these cars. I had no codes ...	21
	2010 Nissan Armada SE 5.6L No Start, Stall VIN: 5N1BA0ND6A thanks for the help. ecm was the final fix . nissan tech line guy said the pcm will not fire coils if volts fall below 9.5 but if pcm gets messed up that voltage could be higher. Trouble codes: U1000.	10
	2002 Toyota Tacoma DLX 3.4L MIL Lamp on VIN: 5TEWN72NX2 thanks to all who replied - turns out he left a nut off the sensor, during testing i repaired the connection. that solved the original issue. he called and told me the check engine came back on. but with a different code p0420 bad cat. i guess rookies who repa... Trouble codes: P0136.	7
	2003 Toyota Camry SE 2.4L engine VIN: 4T1BE32K93 Well thanks to everyone for the replies.We quoted labor to remove engine and added 3hrs to reseal the stiffening crankcase to the engine block.Customer declined repairs,doesn't want to spend that much money.I wouldn't want to either.I guess the oil leak will ...	8
	2007 Toyota Camry XLE 2.4L No Start VIN: 4T1BE46K57 I've received some suggestions about certain grounds to be checked but no one had any relevant directions to steer me away from a PCM trouble. Some suggestions about 5v reference signals to the cam/crank sensors are not relevant as these 2 sensors are just 2 w...	11
	2002 Volkswagen Beetle GLS 2.0L shift VIN: 3VWCB21C62 this car belongs to a used car dealer. It has been put on back burner for now . I did diagnose battery draw as a bad comfort module. Tested alternator and the wires to tcm all seams good. several posted about overlaying new shielded wires to tcm from sensor. I...	7

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