Automotive Technicians Technical Discussion and Fixes for May 13, 2014

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	Help Request	Answers
	2004 BMW 325xi 2.5L driveline VIN: WBAEP33484 Hi: We have a 2004 325XI 5 speed wagon with a drive line vibration on acceleration. It is pretty bad on hard acceleration in 1st and 2nd. above 2500 rpm. Vehicle has new center support and transfer case mount and guibo. The driveshaft have been checked and sho...	View
	1998 Chevrolet K1500 Cheyenne 5.7L No Start VIN: 2GCEK19R3W vehicle came in for no brake lights, we changed brake light switch, now no start. have checked spark, noid, fuel pressure,compression,passlock system, has new cap, rotor, wires, plugs,air filter and fuel filter.120# compression,54# fuel pressure,a/f ratio 9.6:...	View
	2000 Chevrolet Silverado 1500 5.3L drl VIN: 2GCEK19T7Y The drl dont work on this truck. Has auto headlamps on all the time.If you disable the drl with the dome overide button, the auto headlamps are disabled (normal).Body code b2647-light sensor circuit is stored.Did find a bad light sensor and replaced it. BCM sh...	View
	2001 Chevrolet S10 LS 4.3L Fuel tank VIN: 1GCDT13W51 No start--diagnosed as faulty fuel pump--living in a salt belt , we discovered that the fuel tank was rusted so badly that it could not be saved. Where can you get a tank for this thing. Gm discontinued the tank, none available in the aftermarket world that i ...	View
	2005 Chevrolet Aveo LS 1.6L Hesitation, Cuts out, Misfire, MIL Lamp on VIN: KL1TD52685 I have an 05 aveo...yes i know, you thought these were all destroyed...but I have one here. It wont take fuel, sounds like it is mifiring at a steady increase in throttle. It almost sounds like a plugged convertor which it isnt. Keeps setting cam and crank cod... Trouble codes: P0336, P0341 (Cam sensor performance), P0342 (Cam sensor low voltage)	View
	2006 Chevrolet Silverado 1500 WT 5.3L transfer case control VIN: 1GCEK19B66 Have a strange one here. Vehicle came in with complaint of Transfer case select switch does not light up and service 4wd indicator is on. Scan and found C0327. Encoder return voltage (as reported by the scantool) is normal. Verified no lights on the switch....	View
	2007 Chevrolet Silverado 1500 WT 5.3L Engine VIN: 3GCEK13377 Gentlemen, Got this 07 Silverado here with a P0300. Dead miss on #7 at idle with low compression. At highway speeds, higher rpms it is not so noticeable. I'm going to pull the VC in the morning to check out the lifter/rocker arm travel. Because I know that t...	View
	2001 Chrysler PT Cruiser 2.4L Hesitation, Surge, Stall, stops com at OBD VIN: 3C8FY4BB61 Intermittent speed odometer drop out, loses communication with OBD, check engine light will come on for a second, no codes being stored. All grounds checked and good. Checked cam, crank, all is in sync. Fuel pressure is maintaining.	View
	2000 Dodge Ram 1500 ST 5.9L No Start, Stall, no buss VIN: 3B7HC13Z5Y have a interment problem.engine will stall then no buss on dash and no commuication with scanner during these few seconds but will restart in a few seconds.has done this about 4 times in a week.	View
	2006 Dodge Ram 1500 SLT 5.7L 3rd & 4th gear errors VIN: 3D7KS19D96 Greetings Techs. I've got this one on loan since no one else seems to be able to make it work. Vehicle owner purchased vehicle used and within about a week the transmission started slipping with codes P0868, 733, 734 present. A good rebuilder, same one I've us...	View
	2007 Dodge Ram 3500 SLT 5.9L MIL Lamp on VIN: 3D7MX39C47 Have heard that these wiring harness's and connectors for the engine are typically bad, just wondering if anyone else has had a problem like this? We have a customer coming to buy this asap. Would especially like to hear from Dodge diesel techs. Trouble codes: P0642, P1754, U0121, P0483, P0069	View
	2008 Dodge Sprinter 3500 3.0L MIL Lamp on VIN: WD0PF34598 Have code 2953, and alot of oil out of boost side of turbo (resonator full, puddling on valve cover). Im going to replace turbo, but since i can freely move the swirl valve actuator can i just replace the actuator or do i still need to replace the manifolds? i... Trouble codes: 2953 (Swirl valve)	View
	2009 Ford F-150 STX 4.6L most accessories VIN: 1FTRX14819 exactly the same thing happened. vehicle was towed in as is would start but would not go into drive at the selector (abs issue?) also none of the accessories would work, fan, radio, lamps etc, we disconnected the battery,cleaned connectors at ecm under the hoo...	View
	2003 GMC C6500 Topkick C6C042 8.1L backfires under load VIN: 1GDJ6J1E83 I've been working on 03 topkick with 8.1.complate is backfire under hard load,WOT.rite off the bat I found intake duct rubbed through from drive belt.I thought easy fix.roadtest with same result.i smelled fuel so hooked fuel pressure gauge to ck if pressure wa...	View
	2006 GMC Sierra 1500 SLE 5.3L Surge, MIL Lamp on VIN: 2GTEC13Z86 Well the problem child has these two codes come back within a couple miles sometimes even standing i have replaced intake gaskets maf to no results, smoke test shows almost no leaks tested brake booster blocked of line and smoke tested good results no leaks i ... Trouble codes: P0171, P0174	View
	2007 GMC Yukon XL 1500 SLE 5.3L MIL/Stabilitrak VIN: 1GKFK16397 Hello to all; Got this GMC that came in with what seemed to be a straight forward issue. It had a P0300 code and once during diag it popped a P0305 code. Looked at the plugs they seem to be the original ones and did not look to good. Replaced them, but still h...	View
	2013 GMC Sierra 1500 SL 4.8L 1-2 shift VIN: 1GT02ZCG8D Hello, I have a 6L90 that slips for just a second when taking off in first gear, I was just wondering if an adaptive relearn would fix this or if it was a symptom of a stuck valve, or the wrong Torque convertor???	View
	2004 Kia Sedona EX 3.5L Engine VIN: KNDUP13184 Bought at auction. Noticed noise/vibration. After repairs, I still had a vibration at idle and more so at 1500 RPM. There is no noise associated with the vibration and there is no apparent interference between exhaust and body. I have removed belts and dampene...	View
	2005 Kia Amanti 3.5L limp mode VIN: KNALD12415 Customer complaint is intermittent limp mode stuck in third gear, hard shift to reverse, scanned and found code PO885 for transmission relay, Mitchel and Alldata just say right side of dash with no further info, want to check relay first, have a good portion o...	View
	2002 Lexus RX300 3.0L No Start, Stall, battery drain VIN: JTJHF10U02 This is for the lexus techs out there. Originally had the lexus towed in with the complaint of a stall no warning, shudder, cel, etc.then no start. They let the vehicle sit and had it towed. We found the battery totally dead on arrival. Battery was several yea...	View
	2006 Lexus RX330 3.3L instrument cluster VIN: 2T2HA31U46 not sure where to start, hoping someone else has seen this problem. the codes are in the bcm and no where else. has never acted up here at the shop and is very intermittent. while driving she says all the dash warning lights come on, vehicle continues to run f...	View
	2007 Nissan Maxima SL 3.5L not shifting VIN: 1N4BA41E97 this is the first cvt i had to work on.the car when below 32 degrees revs to 4000rpm at 40mph and then when warm the rpm drops.it also at times seems to have no power.	View
	1990 Pontiac 6000 LE 3.1L check engin light VIN: 1G2AF54T5L thanks for your time and input. The mil is on with dtc43 stored. Basic checks are ok after replacing the ks with both an aftermarket and oem no change, repair and tighten harness and connection, same. Bypass harness and still no change. Install a prom and that...	View
	2001 Pontiac Aztek 3.4L No Start VIN: 3G7DA03EX1 I have a no start, has spark, no inj pulse,Fuel pressure at shrader valve, tool is broken cant get pressure reading. no codes. suddenly stopped running. been a very reliable veh with no starting issues until yesterday. replaced pressure reg, crank sensor hehin...	View
	2003 Pontiac Montana 3.4L Poor Idle Quality, High Idle VIN: 1GMDX03E63 Can not figure this one out. Idles high 1500-2000. Can get to idle down 900. As soon as it goes into gear idle jumps up again. Replaced IAC, Replaced bad PCV hose on throttle body, cleaned MASS Air Flow. Replaced IAC With different vendor. IAC reads correct. J...	View
	2011 Ram 3500 Laramie 6.7L MIL Lamp on VIN: 3D73Y3HL3B Hello all, and Thanks in Advance. This Ram is very low on power. It's Driveable but certainly doesnt spool the turbo and get out of its own way like it should. The listed codes reset as soon as you demand a bit of accel power. I have tried to function a statio... Trouble codes: U011A, P2BAC	View
	2005 Subaru Forester XS L.L. Bean Edition 2.5L ground to drail valve VIN: JF1SG67605 Have no ground at the ecm for the drain valve and need to know why	View
	2007 Subaru Outback 2.5i Basic 2.5L Diffential?? VIN: 4S4BP61C27 This is an elderly lady, complaint is it steers hard! Today I noticed in parking lot manuververs it chatters like locked posi!! i searched bullitens - does anyone have any ideas? don't see that many Subarus! Thanks	View
	2008 Suzuki Grand Vitara XSport 2.7L Excessive Emissions, Hesitation, Poor Fuel Economy VIN: JS3TD94498 b2 fuel trims are +25 to +35 at idle combined, b1 +5 to +10. swapped front o2s left to right, no change. lacks power under load very bad up to around 2000 rpms, then takes off great. smoke test and carb clean are not showing any vac leaks. injection clean did ... Trouble codes: P0174	View
	2004 Toyota Prius 1.5L No Start VIN: JTDKB20U64 This Prius was towed in with a no start condition when you insert the key fob and hit the power switch with the break on all dash lights come on but no ready lamp on then the gear indicators and fuel gauge just start flashing? I checked for codes and its just ...	View
	2006 Toyota Prius 1.5L MIL Lamp on, no power, battery di VIN: JTDKB20U66 Vehicle came in barely driveable, hybrid battery showed completely discharged on information display. Exclamation point, check engine light, vsc and trac off lights on. had P0A92 code, hybrid generator performance. I charged battery at idle speed for 11/2 hour... Trouble codes: P0A92	View
	2006 Toyota Tundra SR5 4.7L transmission VIN: 5TBET34176 Customer came in with complant that transmission was not shifting out of first and cel on. Road test found no shifting problem with transmission shifting, twenty mile test drive. Ran codes found p2440 was the only code. cleared codes and sent customer down the... Trouble codes: P2440, P1441, P1444	View
	2007 Toyota Tacoma 4.0L shift solenoid VIN: 5TEUU42N57 vehicle exhibits code p0986 immediately on road test after completing first shift. already substituted pcm, replaced wire from pcm to trans and checked and replaced trans solenoid. if i use scanner to ground solenoid sr it clicks, what i notice is this, if i p...	View
	2004 Volkswagen Beetle Turbo S 1.8L leak VIN: 3VWFE31C34 I was wondering if there are any common ac system leak areas on the new VW Beetles, I have one here with a slow leak, system leaks out in a few days, I put dye in the system ,but am unable to detect any leaks, Thanks for any info	View
	2005 Volvo V50 T5 2.5L Gear selector module VIN: YV1MJ68295 Hi in advance to all that take time out of their day to read this help request. The complaints are as follows...I've not experienced any of these symptoms. Described as erratic and/or harsh shifting, clicking from the shift lever area and stuck in neutral duri...	View

Fixes & Summaries for All Makes and Models

	Fix/Summary	Answers
	1995 Acura Integra Special Edition 1.8L lock up VIN: JH4DC4466S OK after powering up lock up solenoid externally on test drive and still no lock up determined the problem was internal in the transmission also confirmed no command signal was being sent under the correct conditions	8
	2004 Audi A4 Cabriolet 1.8L Unknown VIN: WAUAC48H74 Client, at this time is not going to diag further, I believe the problem is in the temp controlled blend door operation.	6
	2005 Bentley Continental GT 6.0L Lumbar and massage VIN: SCBCR63W75 The customer decided he was going to sell this car so he opted not to fix the lumbar issue. The system is similar, but not the same as the A8 so that didn't help. I was ready to go to the Bentley site and get the info, but he told me not to. Customer later on ...	4
	1993 BMW 740i 4.0L srs system VIN: WBAGD4324P Thank you all for your help. I disconnected all control units with the white/violet communication wire going to them ( no small task). The voltage came back up to about 11 volts. As I plugged in the modules the voltage went away when I plugged in the transmiss...	4
	1999 Chevrolet K1500 LS 5.7L Stall VIN: 1GNFK16R5X Well as i stated before i could not get this vehicle to stall on me. I checked all the ECM connectors and there were no signs of water intrusion. also checked all the bolts on ECM case to see if any were broken and could let water in ECM. none were broken. Che... Trouble codes: P0605 (Control module ROM), U1042 (Loss comm with EBCM), U1064 (Loss of BCM/VTD comm), U1193 (Loss of VIM Class 2 comm).	9
	2005 Chevrolet Impala 3.8L engine VIN: 2G1WF55K65 Thank you all! The crank sensor relearn did it. I should know for next time to do it on GMs.	23
	2008 Chevrolet Uplander LS 3.9L Floor VIN: 1GNDV231X8 I have not yet found the issues, I did try near ALL the suggestions given but could not locate the leak. A BODY guy I know is going to remove the fender and move from there to see if there is any seem damage. I will post again if we come to a conclusion.	17
	2012 Chevrolet Impala LS 3.6L fans VIN: 2G1WD5E31C first i want to thank everyone for your replies, I am still scratching my head because a new AC. compresser fixed this car. I have never seen one act like this but car is fixed .	5
	2005 Dodge Dakota SLT 4.7L No Start VIN: 1D7HW48NX5 The Front Control Module (FCM) fixed this truck. This is the gateway module and also controls the starter relay. If I checked resistance of my can c circuit at the dlc I would have found high resistance and saved a lot of time. I don't know if modules on th...	11
	2001 Ford F-250 Super Duty Lariat 7.3L Drive VIN: 1FTNW21F01 Upon further inspections, I removed the pan and found they had installed a shift kit and had the spring for the accumulator on the wrong side of the piston. installed spring correctly and all is well.	4
	2005 Ford Escape XLT 3.0L MIL Lamp on VIN: 1FMYU93145 Manually checked fuel pressure and found at 100, pegged gauge, while data reads 38. Unplugging fuel pressure sensor returns actual pressure to 40, lt fuel trims both go to -3 , st both go to 3, slight fluctuations. Replaced fuel pressure sensor on rail, no r... Trouble codes: P2196 (p2198-), P2198.	18
	2010 Ford Mustang 4.0L Air Bags VIN: 1ZVBP8EN5A Yes this Mustang is almost fixed. Meaning that it still has a code for the retensioner and when I looked at it the seat belt is just hanging there, but the customer wants to self install a junkyard part. Thanks for all the help, I have a great respect for air...	5
	2011 Ford F-350 Super Duty Lariat 6.7L Excessive Emissions, Hesitation, Poor Fuel Economy, MIL Lamp on VIN: 1FT8X3DT3B Thanks guys you were all pretty much on the money. After clearing codes & test drive with modis data scan, it was perfectly clear that sensor #3 was faulty. all sensors should reach 1000-1400F to burn off soot & turn it into ash during regeneration. Sensor #... Trouble codes: P242C, P249F, P2463 (diesel particulate filter-soot accumulation), P246C.	8
	2003 Honda Civic LX 1.7L compressor VIN: 1HGES16543 Thank you all for the help. I at this time did not fix this car. Before I requested help I did looked at all the old posts and most of the help I got on my post was the same. I still do not know where the pin 4 on the 14 pin connector goes. Wiring diagrame say...	17
	2009 Honda Accord LX-S 2.4L No Start, Poor Idle Quality, Stall, MIL Lamp on VIN: 1HGCP26389 First of all, want to sincerely thank everyone for their input, vehicle is fixed, replaced the chains and guides as well as the VTC actuator which I had done previously. The valve timing was off, misread the timing marks, guess just a blind old man. Again, tha... Trouble codes: P1009 (VTC advance malfunction).	8
	2003 Hyundai Tiburon GT 2.7L MIL Lamp on VIN: KMHHN65F53 Swapped 02 front to back took longer for light to set . Replaced 02 code is gone just waiting for all monitors to reset. Thanks for all your help . Trouble codes: P0031.	5
	2005 Jeep Wrangler Rubicon 4.0L No Start started tapping on sensor. when I got to crank shaft sensor it died si change. it has not acted up since. so I'm hopping that was it.	7
	2001 Mercedes-Benz CLK320 3.2L Engine VIN: WDBLK65G41 OK I just want to thank every one who replied, so this is want i did I replace spark plugs and wire for misfire problem and replace MAF sensor to correct the LTFT problem test drove vehicle for 40 miles and LTFT kept going lower and lower the more i drove it g...	10
	2005 Mercedes-Benz CLK320 3.2L Misfire VIN: WDBTK65J95 replaced ecu found one at Beckmann technologies unlocked performed variant coding with auto logic. all is well. lesson learned. disconnect battery before testing any wire on Mercedes and don't trust snap on scanner for acuation test on European cars. thanks... Trouble codes: P0300, P0301, P0303, P0304.	8
	2001 Oldsmobile Silhouette Premiere 3.4L No Start VIN: 1GHDX23EX1 i dont understand why i had a good scope pattern on my 7x crank sensor but went back and had open circuit on the resistance test. checked the wiring to make sure it was ok,replaced sensor and runs good now. customer said problem was intermittent and had gotte...	7
	1991 Toyota Pickup DLX 3.0L Stall VIN: JT4VN01DXM first thank you to all who responded, found intermittent air flow meter failure resulting in engine stall. failure was vary random and part was replaced 4 months ago. the truth is it was dumb luck that i found it after inspecting and repairing the complete wir...	19
	2002 Volkswagen Jetta GLS 2.0L MIL Lamp on VIN: 3VWSB69MX2 Group to get this vehicle fixed number one I did the bulletin for replacing the ground. I measured excessive resistance on the ground wire that was originally there. It was like 9 ohms so after cutting ground at coil I ran a new one to the battery. Got it down... Trouble codes: P0351 (Ignition secondary), P0352 (Ignition secondary), P0353 (Ignition secondary), P0354 (Ignition secondary).	15
	2004 Volkswagen Jetta GLS 2.0L Engine VIN: 3VWSA69M04 All right guys the vehicle is fixed. Looks like Ed got it right because when the head was returned, the tech just added more oil to the combustion chambers overnight and the car runs. He did pull the cam sprocket there's no keyway to be broken. There was some ...	14
	2007 Volvo S40 2.4i 2.4L front wheel bearing VIN: YV1MS38217 from replies i recieved, i think we will be purchasing the wallmek tool for this job as it seems to be the most universal even if it is pricey.hazet also offers these tools as well as klann but their versions seem to be more application specific. it would appe...	8

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