Automotive Technicians Technical Discussion and Fixes for Jul 24, 2015

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(Also Available: All, Asian, Chrysler, European, Ford, GM.)
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	Help Request	Answers
	2009 BMW 335i xDrive 3.0L Clunk in driveline. VIN: WBAPL33509 AWD, 6 speed manual trans, turbo. Customer complaint: Feel/hear clunk/shift in driveline when coasting to a stop and taking off from stop. There is a clunk/shudder just before coming to a stop in neutral or with clutch depressed. Can be felt in the shifter. Al...	View
	2002 Chevrolet Express 3500 6.5L Excessive Emissions, Hesitation VIN: 1GBJG31F32 Vehicle came in for a lack of power CEL on. On initial road test it ran OK for a few miles until the CEL illuminated. The engine "changed pitch" and it had a lack of power. A scan revealed the codes listed in history. At that time I cleared the codes, code P0... Trouble codes: P0183 (Fuel temp sensor A high), P0216 (Injection timing control circuit), P0266 (Cyl 2 balance fault), P0278 (Cyl 6 balance fault), P0236 (Boost sensor 1)	View
	2002 Chevrolet Trailblazer LS 4.2L MIL Lamp on VIN: 1GNDT13S32 GM Boys, This one is got us a bit out of sorts, customer just purchased (from a relative, with the mil on!!) P0014 which re occurs very quickly after clearing, and a p1345 which has not re-occured since clearing code. we first flushed the engine with the SNA... Trouble codes: P0014 (Cam phase angle variation out of range), P1345 (the deviation between the crankshaft and camshaft position exceeds a calibrated amount DTC P1345 will set.)	View
	2010 Chevrolet Traverse LT 3.6L MIL Lamp on VIN: 1GNLVFED0A 3 months and 14,000 miles later vehicle is back with CEL on, no running issues and P0154, P0155, P0300, P0301 codes stored. Looking at PIDS with Tech 11 scan tool I see that B2 S1 and B1 S1 heater resistance readings are close to the same at 40,000 plus ohms. ... Trouble codes: P0050 (B2 S1 heater control circut), P0154 (HO2S B2S1 Insufficient activity), P0300 (Random misfire), P0301 (Cyl 1 misfire)	View
	2006 Chrysler 300 C SRT8 6.1L Poor Idle Quality, Cuts out, Stall, MIL Lamp on VIN: 2C3LA73W56 Lost communication codes and engine stall followed soon after. the only codes were P0700 and U0100 TCM lost communication with PCM. customer opted to have the PCM replaced again under warranty, issue did not go away and the only codes were the two stated above... Trouble codes: P0700 (TCM MIL Request), U0100 (TCM ABS CGWM ESM Lost communication with PCM), U0101 (ABS CGWM Lost communication with TCM), U0019 (Can B Bus DDM PDMICMSCM SunRM), U0025 (CAN B Bus - low MSM OCM), U0155 (SCM lost communication with cluster)	View
	2000 Dodge Ram 2500 5.9L High Idle VIN: 1B7KF236XY Truck idles at 900 RPM by the scan data. It clunks into drive or reverse. Seems like the idle is just slightly high for some reason. APP reads 0%. Nothing binding in linkage, throttle sits right down on stop. IAT and engine temperature not showing cold (do not...	View
	2004 Ford F-250 Super Duty Harley-Davidson Edition 6.0L h.p. oil system VIN: 1FTNW21P24 Hello fellow techs. Got a good one here. First the truck came to us 3 months ago. We install h.p. oil pump and all new stand pipes and the stc tube above the pump, Vehicle started and ran rough. Diagnosis two bad injectors. Replaced inj and let veh go. Now the...	View
	2006 Ford F-350 Super Duty XL 6.0L No Start VIN: 1FDSX35P26 Truck has an intermittent crank no start. Happens hot or cold. Usually will start on second or third attempt, occasionally will take 15 or 20 minutes of sitting. Strangest thing is it will always start by bump starting. Truck is a service truck so it is never ...	View
	2006 GMC Yukon Denali 6.0L passenger side window VIN: 1GKEK63U76 Hi everybody, this truck came to the shop with the passenger front window not working, it won't go up or down from any switch passenger or driver also the power lock don't move is like the switch is disconnected from the network, no communication with the scan...	View
	2009 Honda Accord EX 3.5L a/c VIN: 1HGCP367X9 * I can't charge the system to right amount of pressure. A/C can only be charge up to 5-7oz until clutch comes on and then won't take any charge.	View
	2011 Honda Civic LX 1.8L range sensor VIN: 19XFA1F5XB Data shows car is in park & neutral at the same time has a code P0705, PRNDL has been removed from transmission and still same thing to rule out bent selector shaft on TRANS. Cluster has been unplugged to get off data line just to make sure its not bad	View
	2006 Jaguar X-Type Sport 3.0L Charging VIN: SAJWA51A66 I have monitored the wires to the PCM from the alternator at the pcm with a labscope. The red/grn wire, pin 53, is a 12v square wave varying with load. The org/grn wire, pin 65 usually stays around 7v but will drop to zero volts and stay there until key is cyc...	View
	2001 Jeep Grand Cherokee Limited 4.7L No Start VIN: 1J4GW58N11 Hi All, Customer stated vehicle died while driving.. Have Crank no Start.. Have NO Fuel Pressure, NO Spark.. Getting a "Communication Error" from OBD when trying to pull engine codes.. I do get a trans code though 740..	View
	2005 Jeep Wrangler Sport 4.0L Computer output VIN: 1J4FA29SX5 SO this jeep came in for an illuminated check engine light for the heater circuit on the downstream O2 sensor on bank 2. All sensors have been previously replaced. I did a bypass test to confirm our computer driver was active. Sensor is grounded all the time a... Trouble codes: P0058	View
	1999 Lexus ES300 3.0L Poor Idle Quality, MIL Lamp on VIN: JT8BF28G6X Hey fellow Techs. Got a head scratcher here. This ES came to us with a complaint of no overdrive. Diagnose and repair knock sensor and wire, problem solved. Approx a week later, back in w MIL on, code 1351 for VVT Sensor (Camshaft Position Sensor) Circuit Rang... Trouble codes: P1351	View
	2003 Lexus RX300 3.0L Driveline VIN: JTJHF10U93 During this drive, we noticed that there was a minor vibration on acceleration, deceleration, and cruise. Found pattern failure during research for vibration on acceleration, but not when there is vibration on deceleration. Called jasper engine and transmis...	View
	2005 Nissan Maxima SL 3.5L Timing Chain Noise VIN: 1N4BA41E75 We are a med hvy truck shop. This is my daughters car and this is my first attempt to replace a timing chain tensioner/guide on this type of vehicle. Any real times to do or tips/cautions would be appreciated. Watched a youtube video and its done in 30 min but...	View
	2012 Porsche Cayenne S 4.8L compressor Hi Friends. I have this one with only front A/C, no activation of the electronic compressor valve. I charged with 1.10 pounds of R134a, paid for the scan with OEM scaner, no DTC's, removed the A/C control panel, checked wires, fuses, sensors, evrything is ok. ...	View
	2001 Subaru Outback L.L. Bean 3.0L Misfire VIN: 4S3BH80631 Greetings! We work on a ton of Subaru's up here, but this is the only 3.0 and I believe it was the first year for those. Not a lot of good information to work from. Has slight misfire at idle, clears right up off idle. Looking for some common element as these ... Trouble codes: P0301 (p0303-), P0303 (p0305-), P0305	View
	2011 Toyota Camry LE 2.5L LF caliper VIN: 4T1BF3EKXB After replacing front pads and rotors the LF caliper is staying engaged. Replaced LF caliper and lubed slides. Verified correct pads and rotors by build date. Customer took car and LF rotor heated and car dropped 10 miles a gallon over the weekend. Measured te...	View
	1998 Volvo C70 2.3L Electronic Climate Control VIN: YV1NK537XW Checked and replaced bad left temp. control motor. Replaced temp sensor out of caution. Tried calibration again, no response. Put the non functioning cont unit into another car (my own) and still unable to do calibration. Put a used cont unit into customer car...	View
	2002 Volvo V70 X/C 2.4L LF DDM / Window Switch VIN: YV1SZ58D72 Hi Friends. We installed a new Window switch better known as a Drivers Door Module or...DDM. Now we have solved the old problem (battery drain) but now have a new problem, it doesn't function at all. No lights, no mirror control, no door locks and no contro...	View

Fixes & Summaries for All Makes and Models

	Fix/Summary	Answers
	2000 BMW 328Ci 2.8L guages VIN: WBABM5345Y Customer had to pick up vehicle before problem was found. Thank you all that commented to try and help.	5
	1990 Buick LeSabre Custom 3.8L blower motor VIN: 1G4HP54CXL Buick is fixed! Thanks to all for the great help. control head was faulty. Got a used one from salvage yard and all is fine. You could see slight burned or "hot" area at head connector. After I removed the black tape from harness I could see how the blower...	8
	1995 Chevrolet P30 6.5L Excessive Emissions, No Start, Hard Start VIN: 1GBKP37F5S Well this one is not 100% fixed but the issues have been diagnosed. After leaving in out side over night the cold start this mornings much better. Still an extended crank and smoke but started on the first attempt. The glow plugs were a major playing in thi...	5
	1998 Chevrolet C3500 Silverado 5.7L Hesitation, Surge, MIL Lamp on This truck has continued to pass all test, customer has decided not to replace the injectors to the updated ones since i can not guarantee it will fix it. He is unwilling to go any further with repairs or diagnosis and wants to wait until smog time. Trouble codes: P0171, P0174.	32
	2004 Chevrolet Silverado 1500 5.3L No Start VIN: 2GCEC19T24 Well the fix was a broken ground wire caused by a pack rat. There is two ground wires to the back of each one of the cylinder heads, the passenger side was the chewed one by the rat. Some of you guys mentioned grounds are problem so I just looked over the eng...	13
	1999 Dodge Grand Caravan SE 3.3L Ignition VIN: 1B4GP44G8X Inspect wiring for Short circuit to Ground under battery, and areas around exhaust manifolds. No damage to harness found. Remove Alternator found that it was overheated, burned at the field windings, after verifying it was Dead. I replaced it with a reman unit...	16
	2002 Dodge Ram 2500 5.9L No Start VIN: 3B7KC23Z92 thanks for all the help techs with no communication with the ecm and message in odometer and no ground control of the auto shut down relay concluded we had an ecm malfuntion sent ecm out for testing and repair ecm repaired vehicle is fixied and running well th...	8
	2007 Dodge Ram 3500 ST 6.7L No Start, quit on highway VIN: 3D7MX38A67 Well, the fix on this one was replacing a bad PCM. After coming up with not being able to locate any external fault or problem ( the PTC relays are not used in this model/application )I shipped it off to be examined . It was condemned and I replaced it with a ...	8
	1997 Ford F-150 Lariat 4.6L Transfer Case VIN: 1FTDX18W5V THank you for the replies. This truck is a project so it is of low priority. I am closing this help request out of respect for IATN... I will update when I get a fix for it,,,	7
	2006 Ford Five Hundred SE 3.0L Electronics VIN: 1FAFP23166 Thank you for your help. I am closing this because of its age. I have not had vehicle back in the shop. I also do not think this customer is going to like my answer. She had the transmission rebuilt before and I believe that it has failed again ... Thank you a...	4
	2014 Ford Escape SE 1.6L No Start VIN: 1FMCU9GXXE thanks for everyone help.. all the info is very helpful however my scanner won't able to run a network test, therefore I decided to unplugged module one by one.. it really take time... but lucky I start from the easy one abs, tps.. finally the harness to the t...	6
	2008 Honda Civic EX 1.8L Ac Compressor VIN: 1HGFA16868 Thanks for all your input. The repair ended up being a bad HVAC control head. After all testing found that when putting control head in self test mode the ses light would flash continuous and than it would stop and no flash from conrol head. Replaced switch an...	8
	2008 Honda CR-V LX 2.4L Compressor Thanks for all the input everyone. I'm a bit embarrassed at what the fix turned out to be but hind sight is 20/20. I decided to check the engine data before dropping in the pressure switch and noticed that the engine was actually running hot 110c. It turns ou...	13
	2005 Hyundai Accent GLS 1.6L Cooling Systems VIN: KMHCG35CX5 don't know what was wrong with old engine only had 70000 miles on it. got another used motor and it gone not over heating anymore.	11
	2006 Hyundai Tucson GL 2.0L phaser VIN: KM8JM72B96 I told the customer it is the variable valve timing actuator. But for his money we replaced his timing belt and all four brakes. When he has more money, we will replace the vvt actuator.I rechecked all valve clearances again cold. Like new clearances. There is...	4
	2003 Jaguar S-Type 3.0L parking brak VIN: SAJEA01T33 This Jaguar is fixed and down the road. We changed the heater valve and the control module behind the glove box. This vehicle has the screen with the heater controls below it. They call the module the remote climate control module. I did open it up and find th...	3
	2007 Jeep Wrangler X 3.8L MIL Lamp on VIN: 1J4FA24177 This truck is finally fixed and smogged. We changed the pcm three times with dealer remanufactured units and they all turned out to be bad.. two of them gave me identical fault codes which made me second guess myself. We got a used module from a wrecking jard ... Trouble codes: P0138, P0155.	14
	2000 Mercedes-Benz S430 4.3L Condenser Fan VIN: WDBNG70J9Y The customer has decided he didn't want to spend the money needed to properly fix this car. Yea, I hate that too. We crossed the wires to the fan and things are working normally, for now. Roy was partially right. I knew what was wrong. I wanted to find out why...	8
	2011 Mini Cooper Countryman S 1.6L Steering VIN: WMWZC3C58B I thank every man who offered their time and help. Thank You. When we removed the rack - With the electric motor still attached - A replacement rack came - with damaged wire connectors. Non the less, I measured the resistance values of the terminal of the re...	12
	2001 Nissan Sentra GXE 1.8L No Start VIN: 3N1CB51D51 Thank you for the replies. Most said to scope the cam and crank signals at the ECM which we did and I included in my original post, but did not mention it was at the ECM. Used ECM fixed it. After doing more research, because of the wide selections of part numb... Trouble codes: P0355.	10
	2004 Saturn L300 3 3.0L ignition VIN: 1G8JL54R54 thanks for the help, i replaced front and rear coil packs with borg warner, cleaned plugs, used worm style hose clamps runs good, i think this motor is a saab engine,thanks again.	8
	1982 Toyota Pickup DLX 2.4L choke has no 12 volt VIN: JT4RN44D2C We ended up putting a good used choke stat on this truck and fitting a new accel. pump kit which sprayed a lot more fuel when depressed. After one slow pump of the pedal when cold it starts right up!	9
	2003 Toyota Camry LE 3.0L Hesitation, Misfire, MIL Lamp on VIN: 4T1BF32K23 Thanks everyone that suggest me to replace the bank one a/f sensor. I should have known that because when I monitor oxygen with my solus scanner, b1s1 stuck at 5 volts. I replace bank one and vehicle is on it's way for good. Trouble codes: P2195 (O2 sensor signal stuck lean b1s1), P0171 (System too lean b1), P0303 (Misfired 3), P0305 (Misfired 5), P0301 (Misfired 1).	10
	2006 Volvo XC90 2.5T 2.5L Poor Idle Quality, Misfire, MIL Lamp on VIN: YV4CZ59296 Sent head to machine shop where they replaced valves and cleaned up #3 combustion chamber a bit. They also adjusted the valves for us by grinding the valve stem accordingly. Sent the tappets up in a numbered egg carton. We replaced #3 piston because it was qui... Trouble codes: P0303 (Cyl 3 misfire).	3

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