Automotive Technicians Technical Discussion and Fixes for Dec 3, 2014

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(Also Available: All, Asian, Chrysler, European, Ford, GM.)
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Open Help Requests for All Makes and Models

	Help Request	Answers
	2007 BMW 335xi 3.0L RDC System VIN: WBAVD535X7 Vehicle came in with multiple codes stored in RDC system. 6054: FL Wheel electric 604F: FL RDC Trigger 604E: RDC System Verified RF wheel sensor showed low battery using LAUNCH tool. Replaced all four sensors (at customer request due to probability of next se...	View
	2011 BMW X6 xDrive35i 3.0L Hesitation, Surge, Cuts out VIN: WBAFG2102B Hi, bimmer and euro techs, this car first time came in the shop yesterday. The owner told us he encounters engine dies several times every day no matter the engine is hot or cold. It occures at parking lot when he doesn't touch the gas pedal but turns the stee...	View
	1995 Cadillac Fleetwood 5.7L Stall VIN: 1G6DW52P9S vehicle came in for a coolant leak. replaced water pump. filled cooling system and prepared to start. vehicle sat in shop an extra day because my new water pump arrived as a reboxed core return with gook and gaskets still attached. attempted start but got the ...	View
	1999 Chevrolet Silverado 2500 6.0L No Start VIN: 1GCGK29U1X Truck was brought to me with engine out. Completely rebuilt the engine and installed it. Have good spark to all cylinders. 60-65 psi of fuel pressure. When being cranked, it fires a couple of times and that's all. Put noid lite on injectors and when you start ...	View
	2005 Chrysler 300 Limited 3.5L Misfire, MIL Lamp on VIN: 2C3JA53G85 I need some help from you Chrysler techs out there. I have this Chrysler 300 that miss only at 55mph and up Scan tool confirms this under a load only. Dragging the brakes to dis engage lock up converter makes no difference. Tried a new coil with no results. mo... Trouble codes: 300 (miss fire), 304 (miss fire cyl 4)	View
	1993 Dodge Dakota 5.2L No Start VIN: 1B7GL23Y7P Customer had installed 4 aftermarket rem pcm's all failed within a week. I was not informed about this so diag showed a bad pcm. I replaced pcm with a dodge rem and within a week it was back in with a no start. Replaced pcm again with a dodge rem. I have cked ...	View
	1998 Dodge Ram 3500 5.9L Fuel Gauge VIN: 1B7MC33DXW Fuel gauge reads empty all the time. Customer said tank is full right now and there is a fifth wheel hitch bolted through frame so I would like to try and narrow down the cause before I start taking things apart. I found the connection behind the left front ti...	View
	2000 Dodge Grand Caravan 3.0L rack and pinion VIN: 2B4GP2434Y steering wheel shimmies at low speeds like bent axle. installed both axles slight change but still there. center check on eng seems fine rotating tires no change. all other front end parts are tight. struts need replaced but don't see how they would make this ...	View
	2010 Dodge Caliber SXT 2.0L interior heating VIN: 1B3CB4HA2A when car is in the shop, we can raise the rpm's to 1600 and the car will maintain good heat after reaching op temp. fans kick on as they should, when test driven the temp drops rapidly, can watch on scanner, also heat becomes cool.	View
	1996 Ford Mustang GT 4.6L Charging VIN: 1FALP42X1T Hello. I am working on a 1996 Mustang with the 4.6 engine. Having charging trouble. The alternator is not charging. Replaced with a new one but it is still not charging. After doing some research I found that the green wire with a red stripe is part of the bat...	View
	2001 Ford Explorer Sport 4.0L Unknown VIN: 1FMYU70EX1 hello techs. this explorer sport has a grinding noise coming fron the transfer case when i put it into reverse or drive it grinds metal to metal speedometer moves around ten miles an hour, the problem is intermitant i was able to test drive trans. shifted ok t...	View
	2006 Ford F-150 XLT 4.6L lower intake VIN: 1FTRF12W46 customer called up with this strange story, starter quit, he removes the starter but its getting late so he puts it back on{?}, he tries to start it again and there is a loud BOOM.Now coolant is leaking out.Tows it in, the lower plastic part of the intake is e...	View
	2001 GMC C7500 Topkick C7H042 8.1L Engine VIN: 1GDJ7H1E11 Truck is used for seasonal work (i.e. salt spreading) Truck ran fine all day, parked over night in heated shop. Two days later, went to move truck outside, discovered No-Start. I have checked all fuses and relays, all seem to be working fine. I am newer to the...	View
	2007 GMC Yukon XL 1500 Denali 6.2L Misfire VIN: 1GKFK66837 #5 picks up above 750 rpm in gear or above 1000 rpm in neutral. A known good spark plug, plug wire, coil and injector have been tried. The valve springs have been removed and inspected. The valve guides are tight. The intake valve felt gummy when turned by han... Trouble codes: 305 (5 cylinder misfire)	View
	2000 Honda Accord EX 3.0L Misfire, lack of power VIN: 1HGCG1658Y hello everyone I am having problems with this accord. the car came in after six months of changing the cylinder heads. customer complains of lack of power and misfire.it makes a popping noise from behind timing cover. when I took the cover off I can see that t... Trouble codes: P0300	View
	2009 Land Rover Range Rover Sport Supercharged 4.2L electrical VIN: SALSH22439 Hello Group, I have a 770 ma parasitic draw that goes away when I remove fuse 39 from the center fuse box.Fuse 39 is the B+ feed to the instrument cluster.I do give the system hours so that all modules are asleep. I checked high speed CAN and have 60 ohms as...	View
	1997 Mazda Protege DX 1.5L No communication VIN: JM1BC1415V Hi need some assistance from the old school Mazda techs. This car came in for a failed emissions test with a code p420. I was unable to communicate with the ecu to verify the code. Now the problem is no communication with the ecu. I have power and ground at pr... Trouble codes: P0420	View
	1998 Mercedes-Benz SLK230 Kompressor 2.3L Srs VIN: WDBKK47F6W Car failed state inspection because SRS warning light is on. Scanned faults found: 1, "SRS control module (N2/2)" and 3, "voltage supply circuit 15R (low voltage/high voltage)". Checked wiring to the system and found in alldata 2 fuses feed power to circuit 15...	View
	2006 Mercedes-Benz S350 3.7L Airmatic VIN: WDBNF67J76 front air struts are collapsed, no communication with Airmatic module, ESP module and ESM, all are on the same pin 9 of the DLC, no can codes in any module, pin 9 has voltage with key on, can signal looks good at ESP and Air,60 ohm on both, i only found wires ...	View
	2003 Nissan Murano SE 3.5L No Start, Poor Idle Quality, Stall, MIL Lamp on VIN: JN8AZ08WX3 Vehicle came in with a P0570 and the idle up at 1200 rpm. Pursued the throttle adaptation procedures, Solus and Launch were hit and miss as to actually dropping the idle and the manual procedure would also work at times and others not. Eventually with multiple...	View
	2004 Nissan Murano SE 3.5L engine I need to replace the engine in this murano. Is the only way to drop the subframe and then drop the engine/trans out the bottom?	View
	2005 Nissan Altima S 2.5L Poor Idle Quality, Surge, MIL Lamp on VIN: 1N4AL11D95 Ok this nissan has been sitting over a year. Batt was toast, and did some brake work, got it running drove for a week or so and lite came on 420 i know is the cat it's toast, the 455 was vent stuck open thats fixed new vent valve. Now the 507, tried cleaning t... Trouble codes: P0455, P0420, P0507	View
	2006 Nissan Frontier SE 4.0L Timing chain? VIN: 1N6AD07U96 Hello everyone and thanks for the advice. I have this 2006 4.0 Frontier 4.0 in that the dealer advised the customer that the timing chain shoe/guides were worn out. He brought it in to have it taken care of. I have done one of these before and that particula...	View
	1991 Oldsmobile 98 Regency Elite 3.8L Battery Draw VIN: 1G3CW53L2M Hi: This car as towed to me. After charging battery - runs but idles a little rough. Dash lights are on all the time killing battery. Also has codes 31, park/neutral sw problem, and 41, cam sensor circuit. We installed a new cam sensor because it was cheap but...	View
	2006 Saab 9-5 2.3t 2.3L Mechanical VIN: YS3ED49G16 OK fellow SAAB experts. This vehicle has the head gasket/timing cover oil leaks that we would see on the pre 03 engines without pcv upgrade. I am getting a lot of oil at head/timing cover and dipstick. Replaced the oil trap and check valve at rear of valve cov...	View
	1990 Toyota Camry DLX 2.0L Hesitation, Stall VIN: 4T1SV21E9L Greetings everyone. So this is the vehicle of an elderly neighbor of mine. She doesn't have much money so I am trying to help her as inexpensively as possible. The problem is an intermittent stumble/stall and wanting to stumble/stall when pressing the accelera...	View
	1999 Toyota RAV4 2.0L drivability VIN: JT3HP10V4X thanks everyone in advance for your help. customer had vehicle at another repair shop for 4 months, tech replaced all below parts for a sluggish problem. customer got it back and drove about 20 miles. the next day customer drove another 10 miles and experience...	View
	2006 Toyota RAV4 Limited 2.4L No overdrive VIN: JTMBD31V86 Im not really a transmission diag guy so this is stumping me. The car came in grinding in and out of gear until it engaged. Now with the rebuilt transmission it shifts like butter, but will not go into overdrive. Its at 4000 rpm at 70 mph. the majority of the...	View
	2008 Toyota Highlander Limited 3.5L Battery VIN: JTEES42A88 If left parked this vehicle would have a dead battery within three days. This has been happening since the vehicle was new. It was at the dealership several times without being resolved. It has been at independent shops without being resolved. It has an afterm...	View
	2012 Volkswagen Jetta TDI 2.0L Starting VIN: 3VWPL7AJ3C When trying to start their is no starter action. This is a push button on the column button. It seems like the button is bad. When you push and hold nothing happens but if you wiggle the button it starts. Has anyone had a bad button on one of these cars?	View
	1994 Volvo 850 2.4L Electronic VIN: YV1LS5514R hello Volvo world. I am replacing the ac high pressure trinary switch with four wires. the original part #9132754 is nla. I found a 4 seasons switch part #36581 that has the same four wire setup. the Volvo switch has two each solid black and brown wires. the 4...	View
	2004 Volvo XC90 T6 2.9L Fuel gauge inoperative VIN: YV1CZ91H74 I replaced the fuel pump on this vehicle because of the top of the pump leaking. When I got the pump in the car I reconnected the battery to test for start , run & leaks . I did this before reassembling the interior . It has 3rd row seats & I had to remove m...	View

Fixes & Summaries for All Makes and Models

	Fix/Summary	Answers
	2004 Acura TL 3.2L rear defrost VIN: 19UUA66234 hello,i did test power out of relay going to the grid.the circuit has 15 amps on it when the switch is depressed.what happened was the led light on the switch failed.after waiting a week for a switch I ran the test again.now the led light illuminates on the sw...	7
	1997 Chevrolet K3500 5.7L No Start, Hard start VIN: 1GBHK33R1V Fixed for now..customer didn't want to spend any time on diagnosing the problem and requested that we replaced the fuel pump. Replaced pump, filter and relay again. Truck starts good now and havn't heard back from the customer in two weeks.Ill call this fixed ... Trouble codes: P0154 (B2/s1 no activity), P0131 (B1/s1 low voltage), P0140 (B1/s2 no activity), P0151 (B2/s1 low voltage).	18
	1999 Chevrolet Tahoe LS 5.7L noise VIN: 1GNEK13R7X I tried what most people were saying and pulled the belt off. the tech that was working on it said he had done that, guess he didn't. the noise went away. the I checked the alignment of the p/s pulley. it was about a 1/16 of an inch too far in. pulled it out a...	25
	2003 Chevrolet Silverado 2500 HD 6.6L Allison Transmission VIN: 1GCHK29163 Well 2 replies said check filter/ install of filters. We purchased a ac delco internal and a spin on filter, refilled ran it and no more leaking from vent. Must have been a problem with customer installed filters. Thanks, Mike	3
	2005 Chevrolet Tahoe LS 5.3L dash lights VIN: 1GNEC13TX5 Sorry it took me a little long to close this help request!it was done on friday after thanksgiving, I barrowed the shop scanner & hooked-up there was no codes in any module. What I did is; when the lights were "flickering" at the same time I heard a clicking n...	8
	1998 Dodge Ram 2500 5.9L Poor Idle Quality, MIL Lamp on VIN: 1B7KC2365W Thank you all for all the great replies,we inspected all suggestions.Turned out to be a bad ECM on the block.Replaced,good as new.I appreciate you all taking the time to help lead me in the right direction.Thanks again Trouble codes: P0215.	5
	2008 Dodge Charger SE 2.7L Mechanical VIN: 2B3KA43R08 Thanks for the responses. We checked the wiring harness to trans mission, all looked ok. I went on the Chrysler website and installed latest flash for the pcm. Road tested and so far the po869 line pressure high code hasn't returned. Before it would only take ...	2
	2001 Ford Focus ZTS 2.0L Gets Hot VIN: 1FAFP38351 wow sorry guys that it took so long to close but we have been busy yes I fixed it I did the thermostat housing and hoses first still got hot and fans were running so I figured the rad was plugged up like the heater core so I changed that still had the problem ...	12
	2003 Ford F-250 Super Duty Lariat 5.4L Poor Idle Quality, Stall VIN: 1FTNX21L13 Thanks for all the info I ended up flushing the transmission and adding some Lucas and it's been fine since.	9
	2004 Ford F-350 Super Duty Harley-Davidson Edition 6.0L No Start VIN: 1FTSW31P34 First of all THANK YOU to the guys who took time to reply! The fix turns out to be the wires that I triple checked. The L power feed wire between the relay panel and the ficm was losing voltage in the disconnect plug at the left side of the engine. My test dev... Trouble codes: P0611 (FICM failure).	6
	2010 Ford Focus SEL 2.0L tpms VIN: 1FAHP3HN0A Thanks to fred and frank. Tool worked fine with focus. Had to hold it right by the stem. Thought sensor was 180 degrees from stem on fords with the strap. Tool didn't work there so I put it on the stem and got the horn to beep. dave	7
	2013 Ford Escape SEL 2.0L Maintenance Required Indicator VIN: 1FMCU9H98D Greetings! 2 good ideas received: Mike [...] suggested removing any floor mat as a heavy duty mat may interfere with the gas pedal going sufficiently to the floor. Ot...	5
	2007 GMC Sierra 3500 HD SLE 6.6L MIL Lamp on, reduced power VIN: 1GTJK33647 I apologize for the second undecided customer in a row on a IATN help request. They can't decide what to do. If they decide to fix it I will update this post. Thanks for the relies here's what I found. Again I haven't messed with diesel much since the 6.5 GM d... Trouble codes: P02E7.	5
	2009 Honda Pilot EX-L 3.5L rocker arm adjustment VIN: 5FNYF48569 Ken from Cali, thanks for the tip. I figured that might be the setup, just looking for a second opinion before messing with it. Finished it up last night, truck runs great. Thanks to everyone!	6
	2012 Jeep Grand Cherokee Laredo 3.6L Steering module VIN: 1C4RJEAG7C Thanks to all you guys. I think I can safely say the clockspring which contains the steering control module needs to be replaced in the event of air bag deployment. The lot owner replaced with a new one now I have codes for the Lin data line circuit between T...	11
	2002 Mazda B3000 DS 3.0L Excessive Emissions, MIL Lamp on VIN: 4F4YR16U62 well I just want to say thank you to all of you that took time to help me; this nightmare is gone and fix, somebody before me replace the injectors at bank 1 with flex fuel injectors,(this one is gas engine) so went I replace the injectors at same bank they ne... Trouble codes: P1132, P0172.	12
	2007 Subaru Outback 2.5i Basic 2.5L MIL Lamp on VIN: 4S4BP61C27 thank you all for your excellent responses. it makes sense to me now knowing the ecm tests the drive cycle and fails both at the exact same time. The owner of the car does not have the money to purchase the parts, (my labor is for free but I let them buy the p... Trouble codes: P0420, P0457.	14

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