Automotive Technicians Technical Discussion and Fixes for Jan 13, 2014

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	Help Request	Answers
	2006 Audi S4 4.2L MIL Lamp on VIN: WAUGL78E56 had vehicle in shop for mil lamp on. Has code for secondary air injection on bank 2. We have vagcom diag computer. Can actuate valve and air pump relay. Can hear and see valve and pump operate. Have not seen this engine yet with this code. We see other makes a... Trouble codes: P1411 (Secondary air injection bank 2 insufficient flow)	View
	2006 BMW 325xi 3.0L Reverse lights VIN: WBAVD13576 Hello Techs, This BMW has no reverse lights. Had broken hinge wires for tail lamps, but reverse wiring is good. Inspected bulbs and all fuses, including Footwell Module fuses #F36, F41, F52, F56 in E-Box. Removed FWR, and performed visual, with Connectors F142...	View
	1998 Cadillac Eldorado ETC 4.6L Poor Idle Quality, Misfire, Poor Fuel Economy, MIL Lamp on VIN: 1G6ET1296W The head gaskets went out on this car last December (2012), I pulled the engine and trans and started disassembly of the top end but did not pull the heads but I had some unrelated issues that caused me to let it sit until last month. I finished tearing it dow... Trouble codes: 0300 (Random misfire multiple cylinders)	View
	2004 Cadillac CTS 3.6L door locks, power windows, radio VIN: 1G6DM57794 this cadillac intermittanly has this problem. the power door locks, radio, power windows all quit working at the same time. when this happens the ignition key won't come out either. I did have a U1000 code in the radio but nothing else. hope this is a common i...	View
	2007 Cadillac Escalade 6.2L parking assit VIN: 1GYFK63887 service park assit message comes on and check system out , found no codes,fuses good. Found tbs and tried what it says.Disconnect sensors like tsb said and it does not set codes. When looking at data is says led over current. Have not worked on this system so ...	View
	1994 Chevrolet Corvette 5.7L No Start VIN: 1G1YY22P9R At a loss at this point and our problem seems simple enough- No spark. Long story short is our ignition control module will not ground coil on and off to produce spark. The mystery to us is that all our tests indicate we should be getting spark. We have tested...	View
	1997 Chevrolet Tahoe LS 5.7L Misfire VIN: 1GNEK13R3V Here we go. we have this wonderful GM that has bank 2 miss fires at idle only, after vehicle warms up. When cold there are no miss fire counters registered, but once vehicle gets to operating temp bank 2 starts showing random miss fires, only bank 2(2,4,6,8)ba... Trouble codes: P0151 (O2 signal low bank 2 sensor 1), P0300 (Engine missfire detected)	View
	2000 Chevrolet K3500 5.7L No Start VIN: 1GBJK34R1Y Hello, I have this Chevy 3500 with 350. Has Spark, fuel press, and fuel vol. Injector pulse. Will run with carb cleaner. All injectors are at 12.3 ohm. Anyone have an idea on what this could be?	View
	2003 Chevrolet Venture LS 3.4L Pass Key VIN: 1GNDU23E33 Came for an intermitent no crank. Ignition switch seemed to be wrong with excessive free play. Changed ignition switch with new key (used). Try to do a relearn key procedure. No result. Installed a used pass key III module. No relearn key possible. I found tha...	View
	2003 Chevrolet Impala LS 3.8L Misfire VIN: 2G1WH52K53 back fires on acceleration Trouble codes: P0300	View
	2000 Dodge Durango R/T 5.9L Cuts out, Stall VIN: 1B4HS28Z0Y Used engine was just installed. Swapped over original intake manifold, distributor, flex plate, and crankshaft position sensor. Engine will start but stalls at idle. Cleaned throttle body. Reset all adaptives. Holding rpm up will keep engine running. LTFT: 2...	View
	2008 Dodge Ram 2500 SLT 6.7L Line pressure VIN: 3D7KS28AX8 This Dodge with 6.7 cummins and 68RFE trans has way to high line pressure. Requested line pressure at idle in neutral is 112 psi. Idling in drive requested line pressure is 125psi. At light throttle requested line pressure goes to 175 psi. Actual line pressure...	View
	2008 Dodge Ram 1500 SXT 5.7L 4 wheel drive VIN: 1D7HU182X8 I'm hoping some has seen this before. Truck came in with 4 wheel drive not working and 4 wheel drive lights on dash flashing when selected. 2wd works great. Found when selecting 4wd the transfer case motor shifts to selected 4 lock or 4 low. front drive shaft ...	View
	1996 Ford E-350 Econoline 7.5L cab lights VIN: 1FDKE30G5T The conditions is as such: The headlights, front corner lights on the fenders, brake lights, and turn signals work. The cab and tail lights don't. At one point, the lights would flicker on and off, and then slowly die out. Now, the lights don't work period. I ...	View
	2000 Ford Taurus SE 2-Valve 3.0L Misfire VIN: 1FAFP55U5Y Customer purchased vehicle with crank / no start symptom. Customer installed new fuel pump to correct. Vehicle also had torque converter failure which was repaired at another shop. After repairs were completed, customer drove the vehicle for several weeks with...	View
	2005 GMC Sierra 2500 HD SLE 6.6L MIL Lamp on, Fuel Rattle VIN: 1GTHK23245 Calling all the diesel technicians Need Help Truck came in fuel smoking and a number four cyinder misfire code, tested injector and found it to be bad. Also had a MAF sensor code P0101 found bad connector pin. Replaced MAF and connector with OE parts. Replaced... Trouble codes: P0304 (Misfire number four cylinder), P0101 (MAF Sensor)	View
	2007 GMC Yukon SLT 5.3L Misfire VIN: 1GKFC13J57 This Yukon has DTC P0300. The customer already replaced spark plugs. My Verus shows consistent misfire on #5 and #6 at idle. At 2000 RPM only #6 misfires. The vehicle is ALWAYS in open loop. Temp is reading on scan tool and gauge. I have swapped the coil, spar... Trouble codes: P0300 (Random cylinder misfire.)	View
	2001 Honda Accord LX 2.3L p0420 VIN: 1HGCG56411 Car runs great, has code P0420, everything appears fine, need second opinion. I see this as a bad converter, am I missing anything? ... Trouble codes: P0420 (Catalyst System Efficiency Below Threshold)	View
	2004 Honda Civic Hybrid 1.3L MIL Lamp on VIN: JHMES96644 Need help with ima code p1444. I have mitchell,alldata,identifix and have googled this code. I followed the diag.chart obtained from id fix and the results showed a def. Dc/dc converter. I replaced the converter with a used one as well as the mpi module,mcm mo... Trouble codes: P1444 (Ima code high voltage short to ground)	View
	2006 Hummer H2 6.0L 4wd VIN: 5GRGN22U36 having an issue with this truck. vehicle was diagnosed with a bad trans about 500 miles ago, so a reman unit was put in. 3 days ago customer complaint is it has no power backing up out of parking spots. now i believe this is a 4wd issue. seems to be binding in...	View
	1999 Jeep Grand Cherokee Laredo 4.0L Misfire VIN: 1J4GW58S6X Just replaced Engine with know good running engine, (removed by me) from a donor vehicle. 110k on used engine. started up great, ran great and quiet. could rev up engine without issue. problem is after running for 5-10 minutes it idles great, smooth and quiet.... Trouble codes: P0131 (o2)	View
	2007 Jeep Grand Cherokee Overland 3.0L Seat Heaters VIN: 1J8HR68M17 Hi there and thanks for the help with this one. I have this 2007 Grand Cherokee in with inoperative seat heaters. The indicators on the switches do not come. Nothing. I cannot communicate with the seat heater module. I have checked for power and ground at th...	View
	2002 Kia Optima SE 2.4L Mechanical VIN: KNAGD12642 I get a code PO003 for fuel volume regulator control solenoid I haven't been able to find which one it is or were it is and the dealer couldn't find information or the solenoid I'll appreciate any information on that code thank you all.	View
	2002 Maserati Spyder GT 4.2L stuck in fitst gear VIN: ZAMBB18AX2 The vehicle is stuck in first gear. The trunk lock is unable to turn to gain access to the fuse box. The convertable top doesn't work properly either. The customer informed me of a short in the F1 transmission circut. Does anybody know of another way to gain s...	View
	2004 Mercedes-Benz SL500 5.0L Abc Suspension VIN: WDBSK75F24 The vehicle came in with the right side of the suspension noticeably lower than the left. The only code found was a low pressure code and I verified a low pressure condition and a leaking hose. With no other info (alldata), I replaced the pump and line and now...	View
	2004 Mercedes-Benz S430 4Matic 4.3L door locks VIN: WDBNG83J84 20A Fuse #62 under rear seat blows intermittently, has red/wht wire going to it. When blown, door locks will not operate. Replace fuse and remote fob will lock/unlock just fine, pneumatic pump sounds normal. Inspected wiring at pump and where visible near fuse...	View
	2006 Mercedes-Benz E350 3.5L Suspension VIN: WDBUF56J56 We have this car making what sound to me just like typical strut mount "rattle/knocking" noise in the front end. The noise seems louder in the left front area. We have installed a new strut and mount in the LF as well as tightened the LF wheel bearing. Unbolte...	View
	2000 Nissan Altima GLE 2.4L Poor Idle Quality VIN: 1N4DL01D5Y Hey folks, customer came in complaining of a noise. We determined the car needed a motor and the customer had another shop install a used motor. Now the complaint is a vibration only happening at idle in gear. Park, neutral, acceleration and cruise are not aff...	View
	2005 Nissan Altima SE-R 3.5L pads/rotors VIN: 1N4BL11D75 Customer states: Original brakes, [REAR] lasted only 18k. We replaced with premium aftermarket parts, and had issues with noise, so replaced AGAIN approx 5K later.. Since then, we have been replacing approx every 15-18K.. The calipers do not appear to be hangi...	View
	2007 Nissan Quest SL 3.5L Mechanical VIN: 5N1BV28UX7 I need some advice from someone who has experience with removing and installing cylinder heads on a 3.5 engine. My tech was attempting to remove the secondary camshaft sprocket on the rear bank to replace the timing chain and guide, when the sprocket slipped. ...	View
	2005 Saturn Vue 3.5L Cluster VIN: 5GZCZ63435 Customer will be driving and all lights in cluster light and dinging heard.at times even loos of electric power steering. Due to random nature and u2106 u2105 loss of communication u0140. Tried looking for loose connections, dialetic greased connectors and pos...	View
	2007 Subaru Forester X 2.5L Left low beam light No front parking lights VIN: JF1SG63687 Hey Guys Thanks in advanced Not sure where to look for this problem As I stated above Left head light Low beam Dim . Ground is good and Votage drops to like 3.5 volts when bulb is pluged in Alldata wireing is not helping me Cant locate day time running control...	View
	1993 Toyota T100 3.0L MIL Lamp on VIN: JT4VD20AXP Hello all, I've got this old T100 farm truck in and the [...] wires have been dragging on the ground and the plug is gone so I just have 8 wire ends hanging loose.normally,I would go to MOD to find wiring diagrams but my computer is in the shop now. Can any...	View
	1997 Toyota RAV4 2.0L intake gasket VIN: JT3HP10V9V Hi techs and happy new year. Looking for some expertise on this Rav 4, we need to do a intake gasket but after we looked up the job the mitchell claims we have to pull the engine. This is a all wheel drive vehicle and that seems to be the difference in the lab...	View
	2004 Toyota Sienna XLE 3.3L engine VIN: 5TDZA22C04 Thanks for your help. Please read everything because these may be unrelated problems. This sienna came for complaint of smoke out the tailpipe & running bad. Van was 3.5 qts. low of oil. Put oil in & started it up. Lots of blue smoke coming out of the tailpipe...	View
	2005 Toyota Tacoma 4.0L selecter shaft VIN: 5TEMU52NX5 truck towed in can not shift transmission thought I had a bad cable removed cable and tried to shift transmission works very hard I have never run into any thing like this any help would be appreciated	View
	2006 Toyota Prius 1.5L No Start, Stall, MIL Lamp on VIN: JTDKB20UX6 Hello fellow techs, I have this Prius 2006 Came in on a hook no crank no start. Customer was driving vehicle and it shut of on her. It had several codes stored but only on returned after clearing. Codes are as follows, P0571, P0607, P0AOF, and P3110 on the man... Trouble codes: P0A0F, P0571 (Brake switch circuit A), P0607 (Control Module Performance), P3110, P3193 (Fuel Run Out)	View
	2001 Volkswagen Jetta GLS 1.8L Excessive Emissions VIN: 3VWSD69M11 Hello Fellow Techs. We have a VW Jetta in our shop that's giving us a bit of trouble. Car failed CA emission test and MIL on. Vehicle is very rich. Fuel trim is -25 at idle however long trim seems to stay near 0. Ive checked the intake system for leaks with a ... Trouble codes: P0170 (Fuel Trim bank 1)	View

Fixes & Summaries for All Makes and Models

	Fix/Summary	Answers
	2005 Audi A6 Quattro 4.2L rear defroster VIN: WAUDL74F45 As I went to replace the alternator I saw that the trigger wire on the back of the alternator was broken! Replaced the connector and tested the system and all is well! Defroster works. Thanks guys. Rob	5
	1998 BMW 528i 2.8L Aux Coolant Pump VIN: WBADD6322W Thank you for the Replays replaced Pump and Tstat used airlift on system over night refilled and roaded tested all is well thank you	2
	2003 BMW 745Li 4.4L Battery VIN: WBAGNG6348 WELL A COUPLE OF YOU HIT THE NAIL ON THE HEAD i DID NOT GIVE IT LONG ENOUGH TO TIME OUT .FROM NOW ON 60 MINUTE BREAK FOR BIMMER TO TIME OUT. PS THANKS FOR EVERY ONES INPUT	7
	2005 BMW 745Li 4.4L transmision/cas VIN: WBAGN63565 Thanks to Marvin and Jared for the replies. First there were no other modules with CAS faults, the transmission was the only one. I went over everything a couple of times with Autologic and copuld not find anything I had missed, so I went with a new CAS and tw...	2
	2005 Buick Rainier CXL 4.2L Accessories VIN: 5GADS13S95 I found the problem it was fuse #46 under the left rear seat which was for the front AUX power and not the cigar lighter the wiring diagram suggest. To me it was a problem with the wiring diagram which is beyond misleading it is definitely not correct. Informa...	6
	2007 Chevrolet Monte Carlo SS 5.3L MIL Lamp on VIN: 2G1WL16C87 Thanks to everybody that replied. We started off by replacing all of the afm lifters on the vehicle. Went on a test drive and P3400 still came up. Brought the vehicle back in and replaced the lifter manifold. FIXED!!! All of the solenoids tested good electrica... Trouble codes: P3400.	4
	1999 Dodge Grand Caravan LE 3.3L Poor Idle Quality VIN: 1B4GP54G6X Thanks guys. Tom from Idaho was right as were most of you injector harness right under throttle body. It was not rubbed through but when you wiggle it the van goes haywire. Confirmed it by wiggling harness and watching noid light.	14
	2005 Dodge Magnum SXT 3.5L abs VIN: 2D4FV48V35 Thanks to all who replied. As some said the abs bleed is normal bleed procedure due to split system. We we through starting at master cylinder with bypass loops to verify everything. The master was rock solid when looped as well as abs module. The problem seem...	5
	2010 Dodge Ram 2500 ST 6.7L steering brakes VIN: 3D7LP2EL6A Thank you for sharing your time and expertise. The power steering hose has an inner liner as many of you mentioned. Hit the nail the head. The inner liner was protruding out the end of the hose. Replaced both hoses and cured issue. Thank you once again for s...	9
	1992 Eagle Talon TSi 2.0L No Start VIN: 4E3CS54U8N We pulled ecm and found it had been repaired at some point with a bad solder job, Recommended new part but customer declined & picked up the car happy & said he would replace it him self & has not been back yet. Thanks for the input, think it was the computer,...	13
	2002 Ford F-350 Super Duty Lariat 7.3L Stall VIN: 1FTSW31F12 The problem was a faulty injector pressure regulator. I sent this to the Ford Dealer who pulled the tank to verify I knew which screens needed to be cleaned, and they said they were surprised to see clean screens. Because of IATN I knew about those screens an...	13
	2004 Ford Excursion Eddie Bauer 6.0L No Start VIN: 1FMSU45P54 When vehicle was actually towed in, the scenario was different from the previous 2 times. Found codes stored P0336 Crankshaft position sensor performance & P2614 Camshaft position sensor signal output circuit open. Reports indicate these codes may be set as a ... Trouble codes: P2291.	10
	2003 GMC Envoy XL SLE 4.2L Hesitation, Cuts out, Stall, MIL Lamp on VIN: 1GKET16S63 I thought about this all weekend, and my thoughts were the same as most of you posted. I removed the throttle body and cleaned it up spotless. Can no longer duplicate the symptoms. Thanks everyone for all your help and replies. Trouble codes: P0172, P0495.	27
	2003 Mazda 6 S 3.0L No Start VIN: 1YVHP80D83 Car is fixed.Sorry I wasn't more precise in my help request.I knew for sure the ECU was the problem by a combination of putting the ECU in the freezer with the car in the shop and keeping it warm inside with the car outside.All of the re-builders said that thi...	10
	2001 Mercedes-Benz E320 3.2L Ignition switch VIN: WDB2100651 Thank you guys so much for all who responded to this post, customer never had a second key for this car so we ordered a new key from the dealer and that did the trick. Car started right up and key fob works good locks and unlocks. Really appreciate all your he...	10
	1992 Oldsmobile Toronado Trofeo 3.8L Instrument Cluster VIN: 1G3EV13L2N Well it came down to the fact that the twilight sensor was not working I had been told that it was checked but when I checked and unplugged it the light started working. Customer has not appoved the $80 price on the new sensor so for now it is removed. Thank...	6
	2001 Pontiac Grand Prix GT 3.8L theft deterent module VIN: 1G2WP52K81 Well after I did finally get it to relearn the light still was flashing.So I hooked the scanner up to find I have no codes in any module. So I let it run for about 15 minutes and shut it off and then I was going to try to relearn it one more time. I turned the...	24
	2002 Subaru Outback 2.5L inside vehicle smell VIN: 1F1GG68502 Thank you all for your replies. This is a good reason why you need to ask your customers all kind of questions. It seems that after we put the fuel hose in, her husband ran out of fuel and she took him some in a gas can. It must of spilled on her passenger flo...	18
	2006 Subaru Forester X 2.5L Valves VIN: JF1SG65636 My task was to diagnose this car and believe I can now say I have. Though the engine is not fixed, that was not what this post was about. As I stated in the update to my post, 2 guides had fallen from the head. I tried to clean the stems of the affected valves...	13
	2007 Toyota Tundra SR5 4.7L Rear axle bearing VIN: 5TFRT54107 Thanks for everyone's time. I put it on cup towards bearing. I had truck in for bent axle from accident, so no reason to replace other bearing and look at it. Plus this spacer was between bearing and retainer, so would have had to destroyed bearing to inspect....	9
	2005 Volkswagen Jetta 2.5 2.5L Ecs VIN: 3VWDF71K95 There is no better way to get help with VW or Audi than Ross tech. For 35 per vehicle or 250 a year can get someone to help run through a job with you. Fuse was missing for evap leak pump and cleaned throttle body and the connector for it. Run readiness test a...	3

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