Automotive Technicians Technical Discussion and Fixes for Sep 4, 2014

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Open Help Requests for All Makes and Models

	Help Request	Answers
	1957 Chevrolet Bel Air 4.6L Differential I am looking for information on how to rebuild and set up the rear end in this car. It has the factory housing in it. Another shop installed 3.73 gears in it with out setting it up properly. It howls bad and cruises at 3,300 RPM @65mph customer is not happy. I...	View
	2008 Chevrolet Uplander LS 3.9L Cooling System VIN: 1GNDV23W68 customer comes for an heating problem. No heat at idle, but heating properly when rising rpm. But on the road, temperature stays good in the cluster. was missing little of coolant. Topped up, but surprise, air always comes on quickly. Boom! I badly burned my a...	View
	2008 Chevrolet Impala LS 3.5L No Start VIN: 2G1WB58K18 no start, no crank, no comm, pins 6 and 14 voltages 0v and .7 volts so we have a network issue. ohm out 6 and 14 from dlc we get 78 ohms. unplug bcm and get 120 ohms. This car has onstar. ohm out both sides of high speed network from bcm unplugged and read 120...	View
	2002 Ford Ranger XL 2.3L heater blower VIN: 1FTYR10D92 ok help i have an 02 ford ranger ,came in with no blower op. I found a blown fuse at central fuse box in cab the fuse # is 2,2 i replaced the fuse and blower ran fine. Now is when it gets fun i went to alldata and checked to see what all is on that fuse and di...	View
	2006 Ford F-250 Super Duty XLT 5.4L Engine VIN: 1FTSX21546 I can accellerate from 0 to 80 mph under normal load. At about 65 mph i can tromp on the gas with no loss of power the engine respons with a good surge.if i tromp on the gas at a dead stop at 30 mph or 50 mph,the engine responds with fuel starvation if i ease ...	View
	2008 Ford Expedition EL Limited 5.4L Driver Window VIN: 1FMFK20528 Truck came in with driver window not working. Regulator was all broken but motor working, so replaced regulator with Doorman Part. Window now working good up and down no problems. But then noticed that when I would use the auto function for up it would stop ab...	View
	2005 GMC Envoy SLE 4.2L . VIN: 1GKDS13S45 this one is something I have never seen before.This truck came in running rough no power,codes p0305 cylinder 5 misfire detected,and p0014 exhaust camshaft position system performance. performed a compression test cylinder #5 reads 5 pounds.so I removed the va...	View
	2003 Honda Accord LX 2.4L Poor Idle Quality, Surge VIN: 1HGCM55313 Cust wants to get a year out of the car, we know the engine is tired. The idle is high, PCM appears to be commanding it. Code comes back as soon as it is started so we can't do any tests with the scan tool. It almost seems like the code is keeping the PCM from... Trouble codes: P0341 (Cam/crank correlation)	View
	2003 Hyundai Sonata GLS 2.7L Poor Idle Quality, Misfire, MIL Lamp on VIN: KMHWF35H93 This car had same symptoms a year ago. All cylinders indicate misfire. Car was returned this year but while codes were present, motor ran well, reset MIL status and after a few days the problem reoccurred, vehicle was returned but still runs fine. Are EVAP val... Trouble codes: P0166 (lambda B1 control limit), P1167 (lanbda B2 control limit), P0301 (Cyl 1 misfire), P0302 (Cyl 2 misfire), P0303 (Cyl 3 misfire), P0304 (Cyl 4 misfire)	View
	2005 Hyundai Sonata GLS 2.7L engine VIN: KMHWF35HX5 Hey guys I have this 2005 sonata that randomly becomes a no start, it usually happens after the vehicle has run for awhile and then sits for ten minutes. when vehicle becomes a crank/no start you lose the ground signal from the pcm to the pcm relay. if you gr...	View
	2007 Hyundai Azera SE 3.8L low power VIN: KMHFC46F47 I have this 07 azera that has very low power and setting p0101 maf ckt range perf dtc.New maf seems to be reading near double or triple what it should so its pouring the fuel to it and the downstream o2's short term adaptives are going way negative(-25 at time... Trouble codes: P0101	View
	2006 Land Rover Range Rover Sport HSE 4.4L unknown VIN: SALSF25416 when you start auto hdc [hill decent system fault] come on information screen. can someone lead me in the right direction. I can scan every system on this car. I have liminted experience on these, don't really won't to work on these, but this is a friends car	View
	1991 Mercedes-Benz 350SDL 3.4L Rotors VIN: WDBCB35E9M This vehicle continually re-develops braking shimmy both in the steering, corrected with new front brake rotors & throughout the car, corrected with new rear rotors only to have the problem return within 8-12K miles. We have been dealing with this problem for ...	View
	1998 Mercedes-Benz ML320 3.2L No Start, Cuts out, Misfire VIN: 4JGAB54E4W I belleve it is in the ecm for injktr drives they loose signal when cranking the ignition signal it is good spark it is good if i spray fuel in the throtle it wiil run if any of you have any ideas please let me know thank you.allready prevews repair replaced c...	View
	2004 Mercedes-Benz E320 3.2L Starting VIN: WDBUF65J94 vehicle was towed in cause it died while driving. car will crank but not fire up. hooked up scanner to car to find a couple of different codes. p2097 the throttle valve is jamming or is stiff p-1999, 9102 coding of control module assyst plus is faulty. no trou...	View
	2010 Mercedes-Benz Sprinter 2500 3.0L Hesitation VIN: WDZPE8CC7A This is a long wheel base 12 passenger Sprinter 2500 (906735) with a 642.898 V6 diesel CDI. At first visit we did very extensive repair due to exhaust leak that creamated intake manifolds and stepper motor (unbelieveable mess!). Vehicle has since run well but ...	View
	2003 Saab 9-3 Linear 2.0L CIM Module VIN: YS3FB49S23 Attention Saab Techs!!!This vehicle was towed in with damaged key and it was the only key the customer had. So we ordered a new CIM module and 2 new keys from dealer. While programming the CIM,everything goes ok until we try to program the two new keys. We get...	View
	2008 Saturn Vue XE 3.5L A.C. cycling VIN: 3GSDL43N88 We replaced the compressor, condenser & expansion valve on this truck. Everything works and looks good except for the fact that it appears to cycle too much. Sitting at idle the low side will be 30-34 and the high side will slowly build to about 265 and then i...	View
	2007 Toyota Camry Hybrid 2.4L hydraulic assembly VIN: JTNBB46K47 This vehicle makes a hoot noise only when pressing the brake pedal at stops. Key on, engine off, or on. It has a constant cycle to it. The noise appears to be loudest at the brake pedal force simulator, but you can hear it all the way through the line to the h...	View

Fixes & Summaries for All Makes and Models

	Fix/Summary	Answers
	2008 Audi A6 3.2L Electronic VIN: WAUAH74F38 Thanks for everyone's input, we send the car to the local dealer and they are 99% sure that it is the module inside the transmission,but they can't warranty it until it sets faults,so they been driving it for days with no reoccurring issue.	7
	2008 BMW X5 3.0si 3.0L glass VIN: 5UXFE43558 Looks like I won't get a chance to fix this one. I am pretty sure a module would have fixed it. Scoped all the position sensors etc., looked OK. Pulled all the wiring out of the hinges, looked OK. Saw the window work once after reassembling and rehooking modu...	3
	2011 BMW X5 xDrive35d 3.0L MIL Lamp on, limp mode VIN: 5UXZW0C5XB AFTER REPLACING ALL SENSORS AND DOIND EVERY POSSIBLE TEST , REPLACING THE RETURN LINE DID THE TRICK THANKS GUYS Trouble codes: P0088 (Fuel Rail/System pressure too high).	4
	2006 Buick Rendezvous CXL 3.6L Starting/electrical VIN: 3G5DB03726 Good morning, sorry for the late close on this one, but as many of you pointed out it was a bad ECM,it was a bit confusing because at times i could communicate with the ECM and not the rest of the modules, but finally there was no communication at all to the E...	12
	1991 Chevrolet G30 Hi-Cube 5.7L steering shaft VIN: 2GBHG31K1M I got info on a few good places to look no luck I will just keep trying odd thing customer had another bus same year junked 2 monthes ago.as always thanks if anyone hears of a place that might have what I need you nhave my e-mail [...]	14
	1996 Chevrolet K1500 Cheyenne 5.7L Excessive Emissions, Poor Idle Quality, Misfire VIN: 2GCEK19R9T Thank you all for the replies. I can't believe it but it ended up being a combination of intake gaskets and the left exhaust manifold. It's running excellent now, customer and I are happy. Strange thing is, I couldn't pick up any vacuum leaks anywhere. Thanks... Trouble codes: P0300.	7
	1999 Chevrolet Silverado 1500 4.8L Mechanical VIN: 2GCEK19V4X Thanks to everyone for taking the time to respond. The suggestions were split fairly even. I went with the tried and true method and made my own lines. I was in a crunch for time and was looking to get the job completed as quickly as possible. The truck was ve...	32
	2003 Chevrolet Impala 3.4L No Start VIN: 2G1WF52EX3 Hello all, sorry I took so long to reply. We didn't fix this one as the customer decided not to pursue. Most folks said to verify powers and grounds, which I did the next morning. I also checked the serial data line for continuity. I still suspect the PCM.... Trouble codes: U1000, U1016, U1255.	11
	2005 Chevrolet Epica LT 2.5L Fuel VIN: KL1VB59L95 Called the dealer I deal with, they gave me the code for the Immobilizer and programmed and running. thank you very much for the guidance.	1
	2006 Dodge Ram 1500 TRX4 5.7L limp mode VIN: 1D7HU18266 FINALLY! checked all inputs and outputs to pcm more than once all wires were load tested and verified good condition. verified solenoid pack was still good.. anddd after waiting for nearly 3 weeks for the dealer to get a pcm we finally towed it in and ha...	4
	2011 Dodge Durango Crew 3.6L MIL Lamp on VIN: 1D4RE4GG4B Well after i opened help request, customer picked up truck and instead of bringing it back he too it to the dealship. I heard this 2nd hand from front office help but supposedly it had a bad intake(i assume they mean gasket??). They addressed only the fact tha... Trouble codes: P2098, P0152 (O2 High [...]), P0300.	6
	1987 Ford F-250 Custom 7.5L No Start, No Spark VIN: 1FTHX26L8H The Red/LT Grn wire, that goes to the ignition switch, had some how come far enough out of the connector to just barely make contact inside the connector. This was just enough to register voltage but not handle it under load. I reseated the wire into the conne...	9
	2000 Ford Focus ZX3 2.0L wheel bearing VIN: 3FAFP3135Y Purchased another OEM bearing and torqued to spcs and all is well. Looks like I just came across a defective one. As always ALL responses were greatly appreciated. Steve	16
	2001 Ford Mustang 3.8L Cooling Systems VIN: 1FAFP404X1 Thanks to all for your timely replies. We did do a chemical combustion test--actually, 3 different times, all negative. After trying the radiator hose on the t-stat-less housing and not seeing any bubbles (did see some "gulps" thinking caused from heat build...	26
	2001 Ford F-150 Lariat 5.4L antitheft VIN: 1FTRX18L11 I have checked the wire under the steering column. They are ok. I found a problem under the hood. The owner took out the airbox and replaced it with a cleanable filter. It had rubbed through some insulation on 3 wires and shorted to the filter wire frame. I re...	11
	2002 Ford F-250 Super Duty Lariat 7.3L Door ajar light, door locks, dome lamps, Key chime VIN: 1FTNX21F82 Got it fixed and out the door. Thanks everyone for the replies, however Dan from TX and Gary from WA got me what I needed, which was the added info on the U1950 code that was in the cluster module (HEC). I then checked the VSM and had no comm. Checked for po...	11
	2005 Ford Freestar S 3.9L Rack and Pinion VIN: 2FTZA546X5 Hi everyone, Turned out to have two issues, first the left stutter mount bearing had blown apart(New York streets) repaired but still would not turn left, drained fluid and still have metal in system. Replaced the Rack and pinion and flushed lines one by one,...	17
	2008 Ford F-250 Super Duty XLT 5.4L Mechanical VIN: 1FTSX21508 Thanks for all the help-engine was in good condition & customer was in no way going to replace the engine. Head replacement was achieved with engine in the vehicle but extra extreme care when installing back on was required as suggested. Runs great & customer ...	12
	2009 Ford Ranger FX4 4.0L Stall VIN: 1FTZR45E79 thanks to all that responed the problem was a bad connection in the power wire between pcm fuse and the pcm at splice s108 in the harness near the pcm ,it would heat up and loose connection the wire splits and feeds pcm at two pins thanks again chris	12
	2012 Ford Transit Connect XL 2.0L All circuits VIN: NM0LS6AN4C Symptoms are so intermittent that proper diagnostics have been impossible to use. Some of the suggested fixes for this are: Ignition switch Battery cables and connections Fuse and relay panel PCM Customer has been advised of these and other possible repair...	3
	2007 GMC Sierra 1500 Classic SL 4.8L Misfire, MIL Lamp on VIN: 3GTEK14V67 Hello all. Well not sure 100% if it's fixed but this is what we did. Did replace the cam and crank sensors with OEM and performed the crank variation re learn procedure. Still miss fired. The customer took it to the dealer and they had two days on it and w... Trouble codes: P0300.	29
	2001 Honda CR-V LX 2.0L MIL Lamp on, Po422 VIN: JHLRD18421 Thanks again for all the help and a couple of tricks to use later on. I opted to install a factory cat but the customer did not have the financial capability to do this , so off she went. Trouble codes: P0422.	24
	2005 Honda Odyssey Touring 3.5L Misfire VIN: 5FNRL38825 cylinder 5 exhaust valves hit the piston. Tech claims that the cam pulley never moved but the evidence points to that it did. Thanks for the help. Trouble codes: P0304 (Cylinder 4 misfire), P0305 (Cylinder 5 misfire), P0300 (Multiple cylinder misfire).	25
	2005 Hyundai Tucson GLS 2.7L Safety VIN: KM8JN12D35 Thank you for all of the prompt and great responses. You guys are great! The problem was a broken brake bulb filament which fell on the parking filament and welded itself down. Most of the responses led me into the right direction. I just unscrewed the tal...	28
	2003 Isuzu Ascender Limited 5.3L No Start VIN: 4NUET16P13 bulkhead connector near firewall not completely closed,swivel clip retainer wasn`t engaged completely.thanx guys! Trouble codes: U1000.	10
	2007 Mazda CX-7 Touring 2.3L timing VIN: JM3ER29347 THANKS TO EVERYONE WHO REPLIED TO ME, WE ENDED UP PUTTING A NEW CHAIN, TENTIONER, AND ACTUATOR. WE DID GET A TIMING ALIGNMENT KIT WITH THE NEW ACTUATOR, BUT IF YOU GET A DORMAN KIT THE CAM LINE UP TOOL IS PLASTIC AND IT TAKES TWO PEOPLE TO KEEP EVERYTHING IN L...	8
	1995 Mercedes-Benz S500 5.0L camshaft timing VIN: WDBGA51E8S We presented the customer the estimate of over 25hrs labor and several hundred dollars in parts to R&R the timing cover, replace the chain guides and chain. He has decided to take the car as is and possibly have it repaired sometime in the future if he can com...	8
	2002 Mercedes-Benz C230 Kompressor 2.3L bosh control unit VIN: WDBRN47J92 Thanks to all of you , very good advise . Barry : yes , bought a used one from e-bay but it is no good , sent both units to repair / rebuild but they returned them back saying parts are not available anymore , e-bay seller refunded me . Neutronics the company ...	8
	2003 Mercedes-Benz SL55 AMG Kompressor 5.5L Starting VIN: WDBSK74F43 Thanks to all the help guys, install new left front fuse box (SAM)& new right front fuse box & its all good	6
	1993 Mercury Cougar XR-7 3.8L Poor Idle Quality, Misfire VIN: 1MEPM6243P Thanks to all who responded and read the entire problem statement. After replacing the passenger side rearward & forward spark plugs again the problem did not return in the last 1500 miles. This engine is either fixed or has quit symptomizing. This car never ...	14
	1985 Oldsmobile Cutlass Ciera LS 2.5L Drivability VIN: 1G3AJ19RXF First, thank you all for help and in particular Hal from Montana, the last reply. I should have pinpointed this sooner. When unplugging the O2 sensor drops to 0 volts. When spraying the intake gasket the voltage jumps up to .8 volts. I guess what thru me o...	42
	2002 Toyota Tacoma Pre Runner 3.4L Wheel studs VIN: 5TEGN92NX2 Thanks everyone for your replies, Randy and Steve, you guys have really got my attention with removal speed and a bit of anti-sieze. I have never like anti-sieze on studs, but in this instance it may be a key. Also removal speed is interesting, because we have...	9
	2008 Toyota RAV4 2.4L water pump VIN: JTMBD33V58 thanks to all for your help Dave [...] reminding me about the nut on the bottom of the mount perfect thanks I had three hits on this question all info was correct the pump is in and the time after market is 4.5 hrs I quoted 3hrs you have to remember this car h...	3
	2008 Volkswagen Eos Turbo 2.0L Poor Fuel Economy, MIL Lamp on VIN: WVWBA71F78 Thank you all for the great replies. After smoke testing the intake system we found a leak near the intercooler area. Upon closer inspection the side of the intercooler where it mounts to the vehicle had a mounting tab broken and a hole into the intercooler ...	8

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