Automotive Technicians Technical Discussion and Fixes for Apr 26, 2017

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	Help Request	Answers
	2000 BMW 328i 2.8L Accessories VIN: WBAAM534XY Thank you in advance, The check engine light does not turn on with key on engine off. I do a cluster self test and it lights up just fine. I checked all volt supply wires and grounds to cluster, all good. My question is, is the operation of the mil on this ...	View
	2005 Cadillac STS 3.6L ecm VIN: 1G6DW67775 Hey guys this 2005 sts was towed in to me as a no start, and had not been running for some time due to the same problem. When you push the button to start it it looses power to everything, simulating a bad battery connection. It has a brand new battery and ter...	View
	2003 Chevrolet Silverado 2500 HD 6.6L vacuum diagram VIN: 1GCHK23103 I need EGR vacuum hose routing diagram with legible labeling or pictures of a EGR system that is intacted. Customer attempted to delete egr system for California emissions and failed miserably. He attempted to restore vacuum hose connections and mis-routed the...	View
	2004 Chevrolet Silverado 2500 HD 6.6L Starting VIN: 1GCHC29284 Truck was towed in for a no start customer installed his own alt.no start or crank i have no communication with the pcm i have all my others computers firing up only code is U1000 in the BCM ive pulled the pcm connection i have power and grounds all the fuses ...	View
	2004 Chevrolet Venture LS 3.4L Poor Idle Quality, Cuts out, Stall VIN: 1GNDX03E54 Got this car in as a know start. One of the other techs here did the diag. I was given work order and told too do the job. The was know codes written down nothing but need pump. So I installed pump try too start and it a crank know start. Then told too look in... Trouble codes: P0128, P0141, P0300, P0446, P0463, P0520	View
	2004 Chevrolet Venture LS 3.4L Hesitation, Cuts out, Stall, Misfire VIN: 1GNDX03E54 I'm reopening this help request per I have pissed off a few college perfesers it seems. I apologize for my ignorance in my last help request. Some times it's hard to get everything perfect when your frustrated and the boss is turning the light out as your writ... Trouble codes: P0128, P0141, P0300, P0446, P0446, P0520	View
	2011 Chevrolet Cruze LT 1.4L compressor VIN: 1G1PF5S95B This one is driving me crazy. I have a 2011 cruze with no ac engagement. First, I made sure there was plenty of freon in the system. After digging through hvac data, I found the section ac permission data. In this section PIDS currently are: compressor inhibit...	View
	2011 Chevrolet Traverse LT 3.6L MIL Lamp on VIN: 1GNKRJED9B Have a 2011 Traverse here giving me headaches. I'm leaning toward an injector problem, but got in consistent results. Steps taken: Low side fuel press. 65psi Checked for exhaust leaks per TSB Smoke checked Intake sys. Fuel trims look good Fuel looks OK, but ca... Trouble codes: P2099 (Post Catalyst Fuel Trim System High Limit Bank 2)	View
	2008 Chrysler 300 LX 2.7L No Start VIN: 2C3KA43R68 Chrysler techs, I'll keep this short and sweet. What do you do when the vehicle says you're entering the wrong PIN when you're not? We have double checked matching the PIN to the VIN from two sources. I've done hundreds of Chrysler products and have seen this ...	View
	2002 Ford Explorer Sport Trac XL 4.0L No Start VIN: 1FMZU77EX2 Customer states that he went from his office to another office about 5 min. away, went inside and came out about 30 seconds later. The vehicle would crank over but would not start. Customer states that he spent about 20 minutes trying to start there vehicle, h...	View
	2004 Ford Expedition XLT 4.6L Poor Idle Quality, MIL Lamp on VIN: 1FMRU15W84 This Expedition came in about a month ago. Complaint was the SES light was on. Well it wasn't and all monitors were incomplete. It did however have a misfire on at least one cylinder. We did the previous repairs listed. It ran fine and left. Now the SES light ... Trouble codes: P0171 (System lean bank one)	View
	2007 Ford E-350 Super Duty 6.0L MIL Lamp on VIN: 1FDSE34P37 Hello Everyone, I was wondering if someone could help us with this Ford 6.0L powerstroke. We have a fault code P0405 egr circuit low. The voltage with key on engine off is .59 volts. We have check reference voltage good at 5volts, ground ground and jumper ltbl... Trouble codes: P0405, P0611	View
	2008 Ford Explorer XLT 4.0L left headlamp VIN: 1FMEU73E58 Hello, thanks for help. Replaced smart junction box from another vehicle and setting same 2 codes. With junction box out I can light the headlamp. good powers and grounds to module. no other codes. I checked connections, of course, and replaced bulb to be sure...	View
	2014 Ford F-250 Super Duty XL 6.7L Tpms VIN: 1FT7W2BT2F Ford experts I got a head banger! Four of these trucks almost identical were flooded at the Marine Base during a storm. The BCM's were replaced due to lack of communication. They called me to come up and program them. I was able to get three of them done using...	View
	2016 Ford Explorer Limited 3.5L Compressor kicks in and out VIN: 1FM5K8D81G Ok this is my personal vehicle never has had any issues. Driving down the highway or in town it doesn't make a difference you can feel the a/c kick on for a few seconds and you have cold air then it kicks off and it goes warm like the system was low on charge....	View
	2012 GMC Sierra 2500 HD SLT 6.6L Hesitation, Cuts out VIN: 1GT121C89C I have this 2012 GMC Duramax that is causing us issues. When driving it runs great. This truck does have a mild tune on it with EFI Live and DEF delete. Every once is a while when accelerating it will fall on its face. When this happens the Fuel Rail Pressure ... Trouble codes: P0087 (Low Rail Pressure)	View
	2012 Infiniti G37 X 3.7L No Start VIN: JN1CV6AR1C Need some help from you infinity technicians . Car came in for crank and no start. Engine was out of time, so we put a used motor in. After new motor was in car would not crank and could not communicate with tcm. Checked for power at tcm and didn't have any. F... Trouble codes: U1000 (Can communication circuit), U0101 (Lost communication with tcm)	View
	1989 Jeep Wrangler Laredo 4.2L Excessive Emissions VIN: 2J4FY59T6K Vehicle needs to pass Delaware Two speed idle test. Limits are 220PPM for Hydrocarbons and 1.20% for carbon monoxide at 500RPM and 2200RPM. Vehicle is only failing Carbon monoxide at idle.	View
	1997 Mitsubishi Mirage LS 1.8L compressor cuts off VIN: JA3AY36C9V compressor will not stay on. vehicle running the high side goes to about 110-120 and low side drops to under 20. both are fans working...if i raise rpms the low side will drop even more.jumped the both swicthes, same problem...compressor wont stay on.thanks in...	View
	2005 Nissan Sentra SE-R 2.5L No Start VIN: 3N1AB51A25 original complaint was difficult start cold and no start at all once hot. replaced cam and crank sensors and saw no codes after that, however , scope indicated timing chain was 2 teeth off. I then replaced the timing chain with guides, tensioner and exhaust s...	View
	2004 Subaru Forester X 2.5L all wheel drive system VIN: JF1SG63684 Good day gents, I have this 04 forester that has a pretty nasty vibration that starts on accel from a stop & remains there until about 10km/hr. After that runs perfect. Almost feels like wheel hop. The amount of torque(ie 1/throttle, 1/2 throttle) applied on a...	View
	2012 Toyota Sienna LE 3.5L reverse VIN: 5TDKK3DC2C Hello, toyota techs. We have a customer who said check engine light went on, and after he parked he did not have reverse. By the time he got to us, reverse was working again. Codes was p2757 - torque clutch pressure control solenoid and P0712 - fluid temp sens...	View
	2004 Volkswagen Touareg V6 3.2L Stall VIN: WVGBC77L64 Hi, thanks for your time. I have this vehicle that came from another shop, it will stall after running for 45 seconds to a minute. previous shop replace both fuel pumps & crank sensor. Connected fuel gauge & scanner and watched the event occur, what happens is...	View
	2010 Volkswagen Passat Komfort 2.0L Hesitation, Misfire, MIL Lamp on VIN: WVWJM7AN2A We bought this car from a customer. It had a broken timing chain tensioner, so we never drove it ahead of time to know if this was a pre-existing condition. The condition is--when driving very slowly, like in a parking lot, a misfire/surge develops. The mil co... Trouble codes: P0301 (Misfire 1), P0302 (Misfire 2), P0303 (Misfire 3), P0304	View

Fixes & Summaries for All Makes and Models

	Fix/Summary	Answers
	2007 Cadillac Escalade 6.2L Seat Position Sensor? VIN: 1GYFK63857 Boy,oh, Boy what an ordeal, but we found the problem.After looking at a schematic there are 2 wiring diagrams-AN3 and Except AN3- in this diagnosis. So we had to be sure that we were looking at the right schematic. There is a lt green wire that foes to the sea...	4
	2003 Chevrolet Suburban 2500 LS 6.0L data link , dash , windows VIN: 3GNGC26U53 Late reply because I was waiting for the instrument panel to come back , anyway after just about pulling the wiring harness out in total frustration I disconnected the radio (after market) and now everything works. The customer had this installed over 3 years ...	9
	2006 Chevrolet Impala LT 3.9L Starting, brake lights, etc VIN: 2G1WC58186 So, a hard reset did nothing. I was able to verify using the wiring diagrams for the power distribution center outputs that its internal relays were fine, but the problem of the BCM not waking up remained. Narrowed it down to the 5v reference output that runs ...	14
	2003 Dodge Ram 2500 ST 5.9L Surge, Cuts out VIN: 3D7KA28C23 Group Thanks so much to you all it is fixed. Was not getting enough fuel from the lift pump. Always started and ran great but once engine got to operating temp she would fall on her face and surge. On scanner watching what should have for fuel pressure by the ...	6
	2011 Dodge Charger R/T 5.7L Misfire, MIL Lamp on VIN: 2B3CL5CT3B First of all, THANK YOU to those that took the time to give ideas and help - this site wouldnt be what it is without yall. Now for the fix: After replacing the MDS solenoid and retesting that the ECM was commanding the solenoid when expected, I did an ECM res... Trouble codes: P1417 (Cylinder 7 Reactivation Performance).	5
	1998 Ford F-150 XL 4.2L engine VIN: 2FTDF1720W well the customer decided NOT to go any farther to find the problem even though we told him that we would do it when we got caught up to lesson the cost. He said NO. On the bright side Bill [...] offered up a very helpful way to check this and I am putting tha...	15
	1999 Ford F-550 Super Duty Lariat 7.3L transmission VIN: 1FDAF56F2X well you guys know your transmissions pulled unit sent out for repair 3 4 fork broken reinstsalled all good thank you!	4
	2003 Ford F-250 Super Duty XLT 6.0L No Start VIN: 1FTNX20P53 Found short in bus at FICM. Repaired and restored communication so I can now repair. It was in hard bend at connector. Thanks for all the help	10
	2012 GMC Savana 2500 4.8L Remanufactured Engine VIN: 1GTW7FCA2C Thanks for everyone's response. Several of you were close, or on the money. The mechanicals of the engine are in time, so that is how it passed Jasper's quality check. However, the camshaft actuator/reluctor wheel and sensor were mounted at least 15 degrees ou...	14
	2011 Hyundai Elantra GLS 1.8L Steering VIN: 5NPDH4AE7B Customer took vehicle to dealer and they said that all four wheels were out of balance despite the face that we checked and balanced all four previously	16
	2008 Jeep Liberty Sport 3.7L Esc VIN: 1J8GN28K78 Vehicle has not been repaired. Another similar Liberty came into my shop with the correct tire size on it. I swapped the wheels and tires from the donor vehicle and test drove- the condition was repaired. So I know that incorrect tire size is for sure the c...	6
	1993 Mercedes-Benz 600SEL 6.0L Ea Cc Isc VIN: WDBGA57E8P After reading all of the responses we decided the most sure way to repair this was to send both throttle bodies and the Egas module to Beckmann technologies for testing. The scanner we are using on this car is a Programa unit that we purchased from AST tools....	11
	2005 Mercedes-Benz SL55 AMG 5.5L Heater Controler VIN: WDBSK74F35 Thank you very much for directing me to the right web site,to find the proper wiring information that I needed to diagnos my electrical issue...after I checked the input to the module that I suspected was faulty..my diagnosis was correct..i had advised the cus...	7
	2006 Mercedes-Benz E350 3.5L Unknown VIN: WDBUF56J66 Well thanks everyone for your help. I did decide to ship this vehicle out. What i did learn was the customer returned the trans that was in the vehicle from the factory a year back because he did not want to pay the fifty dollar core charge. i thought to mysel...	7
	2007 Mercedes-Benz GL450 4.6L Cuts out VIN: 4JGBF71E47 Found that the positive wire to the auxilary was grounding out	10
	2015 Mercedes-Benz ML250 Bluetec 4Matic 2.1L air/fuel filter VIN: 4JGDA0EB6F Yes this ml is fixed .i want to thank Albert,Steve,and Dennis for taking there time out of busy day to send wis documents .Doug ap4720-p-[...] ap09.10-p-0980ewd	3
	2005 Nissan Sentra SE-R 2.5L Variable Camshaft Sprocket VIN: 3N1AB51A25 Thank you guys,I Replaced this sprocket after I had already replaced the timing chain set. I was able to easily change the sprocket through the smaller cover.I had the plugs out,the cams marked,and nothing wanted to move much.It was an easy replacement. this...	4
	2001 Toyota Avalon XL 3.0L No Start VIN: 4T1BF28B91 Thanks everyone the customer did Not fix the car the fix was to have the imob programed for the car	6
	2013 Toyota Corolla LE 1.8L blower motor fuse VIN: 2T1BU4EE5D ok, I want to thank everyone for their replies, we found a shorted wire in the inside fuse box. we replaced the fuse box with a used one and everything is fine now.	9
	2008 Volkswagen GTI 2.0L engaging VIN: WVWHV71K08 In the end, costumer didnt aprove service. i thanks averybody for your help. but somthing strange happened. in the process of waiting for costumer authorization, i took the valve body out and when i put it back in, car worked perfect. not sure what happened...	12
	2005 Volvo V70 2.4 2.4L No Start, Poor Idle Quality, Stall, MIL Lamp on VIN: YV1SW61295 Thank all who posted in aid of the repair of this Volvo! After due investigation and taking advice from all who replied, the problem is still not fixed. It is my supposition the A/C shop attempted to back power the compressor attempting to repair a weak com... Trouble codes: ECM26, ECM14, ECM84, ECM50, ECM10, ECM91.	11

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