Automotive Technicians Technical Discussion and Fixes for Sep 9, 2015

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	Help Request	Answers
	2001 Audi A6 Quattro 2.7L aux water pump VIN: WAUED64B21 entered all that info in wrong section	View
	2005 BMW X3 2.5i 2.5L Transfer Case VIN: WBXPA93435 Customer stated ABS, Trac, and other warning lights came on intermittantly. I had to drive the vehicle 10 miles or more to get them to come on. Scanned and found 2 codes 5F42 and 5F3A. Transmission limp mode and Transfer case internal. Mitchell has limited dat...	View
	2005 Buick Rainier CXL Plus 5.3L MIL Lamp on VIN: 5GAET13M45 This Buick will very intermittently set these codes, puzzling that it sets rich & lean faults, customer reports no symptoms at all. Last time it was in for oil change it also had a P0101 mass airflow code, cleaned mass airflow sensor during service, had been f... Trouble codes: P0121 (Tps), P0171 (lean), P0172 (lean), P0174 (rich), P0175 (rich)	View
	2004 Chevrolet Silverado 3500 6.0L Excessive Emissions, Poor Idle Quality, Hesitation, Cuts out, Stall, Misfire, MIL Lamp on VIN: 1GBJK34U44 Vehicle starts, idles rough then smoothes out. As soon as you start the vehicle it sets both codes. if you put it in gear it runs rough. all O2 sensors are fixed max rich. Short term long term are fixed max lean -30. power and ground at maf and map sensors are... Trouble codes: P0101, P0106	View
	2008 Chevrolet Silverado 1500 WT 4.3L vehicle speed sensor Gonna cut to the chase on this one for you GoodWrench guys. Got this Chevy Silverado 4.3 that the ecm is putting out an erratic speed sensor signal when the vehicle is not moving and the speed sensor in the trans is not putting out a signal. Checked vss signal...	View
	1988 Ford F-250 Custom 7.5L No Start VIN: 1FTHX25G8J This truck came in with the ole stuck solenoid & burnt cables. Did the work described in related repair. The truck won't start due to zero fuel pressure. If I power up the brown wire on the fuel relay I get pressure in specs. Where I need help though is the di...	View
	2003 Ford Taurus SE 3.0L No fuel pump run VIN: 1FAFP53U13 Can on off key, build up fuel pressure, car starts and dies when fuel pressure bleeds off. FPCM new, fuel pump new, tried pcm with no cure, all relays new, all grounds good. Has anyone experienced this condition including no a/c and no fuel pump run conditions...	View
	2005 Ford Expedition XLT 5.4L No power hot VIN: 1FMFU165X5 This truck is perfect when driven cold, as soon as it heats up truck has no power, acts like clogged exhaust, dropped exhaust and no change, tried oem maf sensor thinking 9 grams was a little high. Replaced coil and plug on cly 7 for code, intermittant skip is... Trouble codes: P0307 (Cyl. 7 misfire)	View
	2007 Ford Expedition XLT 5.4L Rear door lock, tpms, turn signal indicators, brak VIN: 1FMFU16507 07 expedition Police. Very intermittent following systems simultaneously malfunction:rear liftgate locks(unable to unlock),brake malf indicator,TPMS fault indicator, no turn signal indicator, a/c blows warm(loss of ac clutch volt signal). Systems will usually ...	View
	2008 Ford Mustang 4.0L vibration felt thru steering wheel VIN: 1ZVHT84N48 Thanks for taking the time to give this a read. Cust. brought this mustang to us concerned about a driveline vibration at speeds from 31mph to 52mph. Test drove the car and yes it does most noticeable at 50mph to 52mph(1450/1500rpm). Put the car on jack stands...	View
	2003 Jaguar X-Type 2.5L No Start VIN: SAJEA51DX3 This jag was towed in yesterday, crank no start, fuse 92 in the dash was blown. When this fuse is ok car runs great with no problems, customer even states that the vehicle was running perfect until the fuse blew. The fuse in question powers up the ignition coi... Trouble codes: P1611 (Ecu sub cpu failure), P1573 (Can throttle angle fault)	View
	2012 Jeep Liberty Jet 3.7L Air bag module VIN: 1C4PJMFK2C The vehicle cam in originally with the air bag light on and no codes at all in airbag computer but the OCM had code B1B88 for Occupant weight sensor value out of range. we replaced the defective weight sensor performed the seat calibration. right.. now OCM now...	View
	2004 Kia Amanti 3.5L No Start VIN: KNALD12404 Short version... Came in from Dealer after customer attempted his own timing belt and failed. Dealer didn't touch it and I inherited it. Put timing back on with new pump and components of course and engine would only turn about 80 degrees. Snatched head and ba...	View
	2007 Lexus RX350 3.5L MIL Lamp on VIN: 2T2GK31U17 Hi techs. I have the 07 lexus RX350 with the codes P0441 and P0455. I checked and activated Evap. Purge valve (at engine) 20 times, no problems found. Did "smoke" test and Vacuum leaks test. NO LEAKS FOUND. Gas cap tested OK. Check freeze frame and mode 6, It ... Trouble codes: P0441 (incorrect purge plow), P0455	View
	2004 Mazda RX-8 1.3L MIL Lamp on VIN: JM1FE17384 We renewed all four ignition coils using factory Mazda coils. We renewed the spark plug wires with NGK spark plug wires. We renewed all four spark plugs using NGK spark plugs. All of the correct heat range spark plugs were installed in all of the correct locat... Trouble codes: P0301 (Misfire in number one chamber)	View
	2002 Mercedes-Benz C240 2.6L Poor Fuel Economy VIN: WDBRF61J42 This car was towed in showing half a tank but had no fuel pressure. Found fuel was not transferring from the left side to the right side of the tank so we replaced all the components in the tank with used ones. Ever since than the fuel gauge has not worked rig... Trouble codes: P203A	View
	2007 Mercury Mariner Premier 3.0L compressor VIN: 4M2CU97127 The ac compressor will shut off after running for about 10 minutes. The fans come on high speed and continuosly run while the ground from the pcm for compressor clutch relay control is lost. The pcm takes the ground away from the realy basically and the fans j...	View
	2004 Nissan Pathfinder Armada SE 5.6L Stall VIN: 5N1AA08B34 everything is fine runs good and has been towing a trailer. after two or three hours of driving the car will die when slowing down. the steering feels funny and he looks down and the dash lights are all on. starts right back up. the last time he was going 65 m...	View
	2005 Nissan Xterra Off-Road 4.0L Mechanical VIN: 5N1AN08U35 After six months the car came back into the shop with a check engine light, the codes were p0300 and p0303. The customer mentioned that the car was over heating along with smoking from the tail pipe, also when the car gets a cold start it shakes and smokes fro...	View
	2008 Nissan Rogue SL 2.5L poor acceleration VIN: JN8AS58T28 This vehicle came in with the complaint that it would not accelerate like normal. Lacked power basically. Owner is traveling through town on a road trip to a wedding. He did say it will need to be driven a while before it would act up because the 2 times it di...	View
	2001 Pontiac Grand Am SE 2.4L OIl Pressure VIN: 1G2NE52T31 Vehicle towed in for oil leak. Added 2 quarts oil, started vehicle and oil was FLOWING like I have never seen from an oil pressure switch. Replaced switch with a ac-delco switch and now the oil light is on. Removed switch and tested oil pressure. At idle the p...	View
	2008 Pontiac G6 GT 3.9L temp actuator VIN: 1G2ZH36158 Just did $1500+ worth of A/C work on this car a month ago. Now customer complained of no heat. I scanned it and found code B0408 left temp actuator circuit. There is only 1 temp actuator, but it is on right side accessable through the glove box. I removed the ...	View
	2006 Porsche 911 Carrera 4S 3.8L Rear spoiler VIN: WP0CB29996 Hello Techs, This 2006 C4S Cabriolet came into our shop with the rear spoiler stuck in the Full Open position, accompanied with cluster message "Failure spoiler control" Upon inspection of rear spoiler, hinge pivots are not binding, Center console switch comm...	View
	2004 Volkswagen Touareg V6 3.2L Steering Lock VIN: WVGBC77L74 Hello VW Techs this is a 04 vw touareg BAA engine 3.2 V 6, the customer sent the car with a tow truck, I tried to start the car and it was dead so I connected the scanner and went to acc/authorization and clear code 00288 STEERING COLUMN LOCK ACTUATOR (N360) 0...	View
	2007 Volkswagen Passat 2.0T 2.0L compressor VIN: WVWAK73C07 ready to pull are hair out on this one guys. this car came in with no cold air coming from a/c, the pressure readings were 125 on low side and 150 on high side so we installed a new desicant kit and flushed system, recharged system still same problem, customer...	View

Fixes & Summaries for All Makes and Models

	Fix/Summary	Answers
	2002 Cadillac DeVille 4.6L Brake Pedal VIN: 1G6KD57Y72 Again thank you to all you have been a great help I found this repair completely by accident I was yet again bleeding the brakes because I thought another master cylinder was bad while I was bleeding the brakes I was looking at each piston and found that the r...	35
	2000 Chevrolet Silverado 2500 6.0L MIL Lamp on VIN: 1GCFC29UXY Mission Accomplished!!! The truck is FIXED!!! Thanks for all the insightful replies... I couldn't have done it without your help!!! This certainly qualified as "On The Job Training"!!! We had found an intermittent short in the downstream sensor wiring, an... Trouble codes: P0157 (Bank 2 Sensor 2 low voltage).	22
	2001 Chevrolet Corvette 5.7L MIL Lamp on VIN: 1G1YY22G31 Thanks to those that responded. The vehicle has not been back yet, but when it does I'll recheck all plumbing both check valves and air pump. Trouble codes: P1416.	6
	2002 Chevrolet Corvette Z06 5.7L valve springs VIN: 1G1YY12S42 Thanks for the quick responses. Matthew [...] got back to me in just a few minutes and confirmed that they were indeed Z06 springs. I went ahead and replaced the springs. I got several confirmations also that they do indeed break prematurely. I feel safer a...	9
	2003 Dodge Caravan SE 3.3L starting Hi everyone and thank you for the help posts, owner declined to fix after it was towed to dealer and they wanted to put a bcm in without guarantee that was the problem. 12 Replies Received (Hide Replies) Reply 1 Report Abuse ok Dan from Texas Aug 22, 2015 4:0...	13
	1986 Ford F-150 XL 5.0L Misfire VIN: 1FTEF14N1G We checked wiring from computer to Ignition module using a headlight to make sure all wiring was strong enough to carry the current. We check the power to computer and the ground circuit the same way. Check map sensor wiring same way. Decided to start over and...	24
	2004 Ford F-150 Lariat 5.4L Engine VIN: 1FTPW12534 Thanks for all the input! We don't have much room in our shop so we ended up not removing the cab and it worked out fine. We made brackets that hook to the engine where the intake mounts. Used angle iron and drilled holes to match the holes for the intake plen...	12
	2008 Ford Expedition XLT 5.4L Poor Idle Quality, Misfire VIN: 1FMFU16518 Finally got it to run rough cyl 6 was misfiring checked for a driver signal and I had one to the coil. ohmed coil and was bad replaced coil and runs great . Yes they were motorc raft plugs but she had cheep coils put in so this probably won't be the last... Trouble codes: P0356.	20
	2008 Ford F-450 Super Duty XL 6.4L No Start VIN: 1FDXW47R08 I have not finished this truck yet but found a leaky #1 injector. I am going to replace it and hopefully that is the only thing I have to do. Thanks for your help. Trouble codes: P2291 (Icp too low during engine cranking).	9
	2003 Honda Element EX 2.4L Stall VIN: 5J6YH28553 Well, I made the mistake of turning off the MIL- customer does not want to return for further evaluation. I still don't know whether the stalling is a Snap On issue, or an engine/PCM issue. Thanks for those who took the time- thought just occurred to me to do ... Trouble codes: P0456 (Very small evap leak), P0452 (Small evap leak).	9
	2003 Honda Accord EX 2.4L clutch master VIN: 1HGCM55673 Just about everyone said what I suspected, that either the clutch pressure plate was bad, the throwout bearing was sticking on the case, or something else was causing resistance in the clutch release process. I told this to the customer and they decided to go ...	9
	2009 Honda Odyssey EX-L 3.5L MIL Lamp on VIN: 5FNRL38639 Thanks for the help, found the black with white stripe wire was grounding intermittently at the bracket coming off the top of the right side motor mount about three inches from pcm. Trouble codes: P0135 (B1S1 heater circuit malfunction).	2
	2006 Land Rover Range Rover Sport Supercharged 4.2L air spring VIN: SALSH23476 thanks for the replies guys! I replaced the front valve block and front right height sensor (for good measure) and no more gangster lean on this Rover! re-calibrated and sent it home!	5
	2010 Land Rover LR2 HSE 3.2L Starting VIN: SALFT2BN0A Further inspection we found the fuse box on the driver side in the engine compartment was corroded , called the dealer & ordered it yesterday , this morning came in, install it , Vehicle starts no problem	7
	2005 Nissan Altima S 2.5L No Start VIN: 1N4AL11D95 I didn't officially fix it, but it did run out of the shop. Customer said if it ran they would get rid of it. We got it to run unplugging can sensor again just by chance. They picked it up, drove right to car lot and dropped it on them. It still had compressio...	9
	2011 Nissan Altima SR 3.5L timing VIN: 1N4BL2AP7B I removed outer timing chain cover and timing chain and gears I removed inner timing chain cover and found seals separated replaced inner timing chain cover and reinstalled timing chain and gears road test several times no codes all ok	14
	2012 Ram 2500 ST 5.7L Poor Idle Quality, Hesitation, Misfire, MIL Lamp on VIN: 3C6TD5HTXC unfortunately we have not been able to confirm a fix on this truck, in cylinder pressure waveform looks normal and spark and fuel are present. we have yet to pull the valve cover and measure valve lift because we cannot get approved from warranty company to do... Trouble codes: P0302 (Cyl 2 misfire detected), P2299 (Brake pedal position/ Accelerator pedal position incompatable).	6
	2003 Saturn LW300 3.0L Power brakes VIN: 1G8JW84R53 Sorry for the delay guys, it was a 2 defective power boosters Stay away from A1 Cardone	7
	1996 Toyota Hiace 3.0L engine Okay, had to leave this vehicle unresolved as my time in Mozambique was finished (was in for a 5 week training period). Many thanks to all who answered; some very good and helpful advice, and I've certainly learned a lot about this engine/model in the process....	12
	1999 Toyota 4Runner Limited 3.4L No Start, Stall VIN: JT3HN87R7X Thank you everyone for the help. Focused my attention on the fuel pump. When the truck stalled, the fuel pump was still running but not making pressure. Replaced fuel pump, and all is good. Trouble codes: P0171.	7
	2004 Toyota Tacoma 2.4L MIL Lamp on VIN: 5TEVL52N24 TRUCK IS FIXED. DID NOT UNDERSTAND THE OPERATION OF AN AIR FUEL SENSOR. REAR SENSOR STAYS AT 0V OR VERY NEAR THAT UNDER NORMAL OPERATION. THE PCM FORCES THE A/F SENSOR RICH AND THEN LOOKS AT THE REAR O2 RESPONSE TO TEST THE CAT. I WAS LOOKING FOR A VOLTAGE OF ... Trouble codes: P0420.	12
	2011 Toyota Sienna XLE 3.5L Differential VIN: 5TDDK3DCXB Thanks to all who replied-after reading the replies the owner has decided to replace the all the tires and do the rear diff at the same time AND to keep the tires rotated and wearing evenly so this problem does not reoccur!!	11
	2008 Volkswagen Passat VR6 3.6L Cooling Systems VIN: WVWDU73C88 Sorry for the delay but the part was on national backorder. We ended up replacing the ecm and the main fan. The ecm held the ground on to the rad fan most of the time. Occasionally it would shut off but was on more. After replacing the ecm with the command off...	9
	2008 Volkswagen Passat Komfort 2.0L Misfire, MIL Lamp on VIN: WVWAK73C28 ok hear it goes, first of all i want to thank all of you for your kind input. I forgot to mention in the original post but i did perform decarbon with bg however i didn't think that did the justice so i removed the intake manifold to inspect and NO CARBON bui... Trouble codes: P300P.	6
	2009 Volkswagen Jetta S 2.5L ABS Module VIN: 3VWJZ71K79 First, I want to thank very one for your help. The car is now done and gone. Norman was right on the money. I was missing the steps on 25 and 26. I was using the mk60 from Ross-tech. My car is mk60ec1 and needed more setting to be done. Now is all good,...	3
	2009 Volkswagen Jetta SE 2.5L right headlight VIN: 3VWRM71K69 New electrical system control module, tried a new headlight switch (left headlight would come on without the switch plugged in neither one fixed the problem but I did smell that burned electrical smell in the control unit, took apart fuse box B all connectors ...	7

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