Automotive Technicians Technical Discussion and Fixes for Dec 21, 2012

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	Help Request	Answers
	2007 Audi A4 2.0L MIL Lamp on VIN: WAUBF78E87 Hello Fellow Techs, This Audi A4 has code P0299 on for low turbo boost.Customer does not feel a lack of power. I have checked the boost recirculation valve on the turbo,it is the updated valve, and the diaphragm in it is in tact. I smoked the intake system (b... Trouble codes: P0299	View
	1992 BMW 318i 1.8L Poor Idle Quality, MIL Lamp on VIN: WBACA5312N Car lost power did not cut off just would not accelerate, then got better. Parked it drove it next day and MIL light came on code 1228 runs fine but has an erratic idle. The code is for #4 knock sensor the car only has two so I am assuming it is the 3-4 cylind... Trouble codes: 1228 (4 knock sensor)	View
	2000 BMW 323i 2.5L cooling VIN: WBAAM3334Y I have a 2000 BMW 323i with the engine electric cooling fan is not working. a little history. the fan melted down a couple of weeks ago. installed a new fan unit. since then the fan is not working. Code present is the cooling fan actuation code. I cannot get t...	View
	2004 BMW X3 2.5i 2.5L Vanos intake side? VIN: WBXPA73484 This vehicle came in with an intermittent check engine light which scans with 2 factory codes. 2768 Intake cam sensor phase position 3C1E Inlet cam sensor signal Alldata seems to be of no help with these factory codes and I need a direction to go. These codes ...	View
	2007 BMW 650i 4.8L Pt Can VIN: WBAEK13527 Vehicle will intermittently go into limp mode and set PT CAN (powertrain network) faults in all of the power-train modules. Sometimes the DME, trans, valvetronic, CAS or other control modules will lose communication to the scan tool. This most commonly occurs ...	View
	2002 Cadillac DeVille 4.6L Accessories VIN: 1G6KD54Y32 I just purchased a 2002 Deville. The right rear door is dead. The window wont go up or down, the heated seat switch wont light up or heat the seat, and the power lock actuator wont lock or unlock the door. The window wont go up or down on the left rear seat, ...	View
	2004 Cadillac SRX 4.6L idler Hi. Just wondering if anyone else has had this problem and came up with a fix, Short of replacing the engine or block. The power steering pump siezed and broke the idler off, which is mounted directly to the block. It broke the idler mounting boss off the blo...	View
	2007 Cadillac Escalade ESV 6.2L Heated and Cooled Seat VIN: 1GYFK66807 Vehicle came in with drivers seat heat and cooling inoperative. Passenger seat operates just fine. Found connector C1 on CCSM with the usual melted connector and terminals. Replaced connector and terminals, as well as module that was burnt and melted, did not ...	View
	1986 Chevrolet Monte Carlo 5.0L Excessive Emissions VIN: 1G1GZ37H7G Car came failing nox,we do not have a dynamometer, arizona state does im240 test, at idle nox is perfect almost 0 but under load it gets over the limit,vehicle has a new catalystic,converter i replace the egr how can i lower nox under load, customer did a full...	View
	1998 Chevrolet Tahoe 5.7L Monitor problem Does anyone have past experience with having to reprogram PCM to update system for monitors to run) Will not run CAT, EGR or EVAP. Replaced thermostat and ECT. Cleared all data and test drive. Still will not run monitors. Ideas? Thanks for your help.	View
	2007 Chevrolet Aveo LS 1.6L Misfire, MIL Lamp on VIN: KL1TD56647 We have misfire codes set when driving under load at freeway speeds or heavy acceleration or possible deceleration after the heavy accel. When misfire codes set the engine runs fine and still has steady power. The scanner shows same amount of misfires on both ... Trouble codes: P0300 (Random Misfire), P0301, P0304	View
	2008 Chevrolet Suburban 1500 LTZ 5.3L Misfire, MIL Lamp on VIN: 3GNFK16378 Customer was driveing , when ses lite, trac control lite, abs lite came on, engine started running bad.scanned ecm , found po306 , only . We checked #6 plug was fuel fouled, changed plug, no change. Did running and static compression, 50# & 150# respectfully. ... Trouble codes: P0306	View
	1987 Dodge W250 5.9L No Start, no spark VIN: 1B7JW24W2H getting about 400mv out of the run pickup coil and the same out the start pick up coil. battery voltage and bypass voltage at the coil. control module will not trigger the coil. ran a direct ground to control module and still no trigger. also when key on balla...	View
	2005 Dodge Neon SXT 2.0L MIL Lamp on VIN: 1B3ES56C95 Downstream o2 lean condition circuits test fine. Still code comes back. Any help would be great thanks. Trouble codes: P2096	View
	2008 Dodge Charger SXT 3.5L Electronic VIN: 2B3LK33G28 Vehicle sets transmission code P0717 - input sensor 1 no signal. Was able to verify with scanner that input sensor 1 was stuck on 0 RPM, but before i was able to start testing, the sensor started working again. test drove several miles - tried wiggling wiring ...	View
	1992 Ford F-350 Custom 7.5L Mechanical VIN: 2FTJW36G6N Struggling on this one-We are fighting a soft brake pedal-Things we've tried-Bleeding brake lines-Master cylinder-Booster-Replaced all rubber lines-Front pads-Rear shoes-Wheel cylinders-Bypassed porportioning valve-No matter what we do the pedal feels mushy-We...	View
	1997 Ford Contour GL 2.0L MIL Lamp on VIN: 1FALP6536V Hi guys i have this ford contour came in with a code po402 egr excessive flow . So i change the dpfe do a koer pass the test . Road test the car code came back and the egr is stuck un plug the hose from the egr sol still the egr is stuck and the car do not run...	View
	2002 GMC Sierra 1500 SL 5.3L battery VIN: 2GTEK19T52 I have a major draw on the battery. If vehicle sits for a couple of days without being started the battery goes dead. Memory had 2 codes B1477 & B2647.I've removed every fuse,circuit breaker,Module connectors,door switches,seat harness,bulkhead connectors,igni...	View
	2005 Honda Element EX 2.4L Stall VIN: 5J6YH286X5 Hi all, Thanks for taking the time to read this help request. We have an Element that stalls intermittently when cold. We have scanned it (no codes) and cleaned the intake and IAC. Further we performed and idle re learn and reset the pcm. The problem is still...	View
	2001 Jaguar XJ8 4.0L MIL Lamp on VIN: SAJDA14C71 Hello Group, Best wishes for a wonderful holiday and a successful New Year! This XJ-8 has come to us from another shop. P0201, P0204, P0206, & P0207 recorded. After clearing codes, they reset quickly, and occasionally a "reduced power" message will appear on ... Trouble codes: P0201 (Fuel injector circuit malfunction cyl 1), P0204 (Fuel injector circuit malfunction cyl 4), P0206 (Fuel injector circuit malfunction cyl 6), P0207 (Fuel injector circuit malfunction cyl 7)	View
	2001 Lincoln Navigator 5.4L MIL Lamp on VIN: 5LMFU28RX1 Thanks for any help. This Lincoln is killing me not sure where to go from here we keep getting a p0174 bank two too lean code but it is very intermittent will go a few weeks between setting code. The current fuel trims are bank 1 long term is 0-2% bank 2 long ... Trouble codes: P0174 (Bank two lean)	View
	2001 Pontiac Bonneville SE 3.8L No Start, No crank VIN: 1G2HZ54131 Did lower intake manifold, went well till I tried to start it. No crank! Has code P1819 transmission range incorrect. Scan data showed no change on the a,b,c,p ,PCM inputs when moving shifter. Any ideas? Thank you. Trouble codes: P1819 (No start wrong range)	View
	1999 Porsche Boxster 2.5L triptronic VIN: WP0CA2987X Porsche has a rebuilt trans installed by another shop, customer has benn driving it for about 3 months with no issues till now. Triptronic fault codes as the light for the gear selctor on dash are flashing, the triptronic has dtc 00022 load signal (--DME contr...	View
	2003 Subaru Outback H6 3.0L strange noise VIN: 4S3BE89603 I am listing this for a friend from another shop who dosen't like subys. Anyhow, this has a strange noise on acceleration. If I was to guess by the sound only, I would say it sounds like a metal to metal grinding in the brakes. Kinda swoop, swoop noise that sp...	View
	2007 Subaru Impreza 2.5i 2.5L Unknown VIN: JF1GG61637 I hope that some subaru people can help me. Don't work on a lot of subarus. My question is there is a AWD light on the dash. The light stays on solid. I have checked for codes in transmission, engine and ABS using a launch x431 no codes were found. Is this lig...	View
	2001 Toyota Highlander 3.0L drivetrain VIN: JTEHF21A31 Hi Guys, Thanks for taking the time to read this request. We have a Highlander that has a shake on decel over 100kph. We have replace both lower ball joints (loose), balanced the wheels and replaced both axles. The shake is still there. This problem has been ...	View
	2003 Toyota 4Runner Limited 4.0L 4wd VIN: JTEBU17R93 Good morning all,i have a 4Runner with no 4wd,vehicle can in with both 4wd & diff lock lights flashing,fuses good,can hear 4wd ecu clicking while operating 4wd/diff lock switches,but no 4wd. Cannot pull codes for 4wd system,Alldata has tsb on front actuator,wh...	View
	2006 Toyota Sequoia SR5 4.7L MIL Lamp on, Hard Start VIN: 5TDZT34A86 Vehicle came in with check engine light on and hard to start at times. Pulled codes and found P1340 cam code. Hooked up labscope to cam signal wire, yellow according to the wiring diagram, found no signal coming from sensor. Tested 5V ref and ground to the sen... Trouble codes: P1340 (Camshaft position sensor A)	View
	2006 Volkswagen Golf GL 2.0L Cuts out, Stall, MIL Lamp on VIN: 9BWFL61J66 Here's one for all of you to ponder over the Christmas weekend. I have this VW with a phantom stalling problem. Unfortunately I don't have much to go on, as the problem has not once occured for me. In addition, it like pulling teeth to get info out of the cust... Trouble codes: P0420 (catalyst efficiency low bank 1), P1539 (clutch switch signal implausibility), P0102 (MAF signal low), P0261 (p0270- 1 - 4 injector short to ground), P0270, P0031, P0037, P1425, P1435, P1472	View
	2007 Volkswagen Rabbit 2.5 2.5L Windows Door Control VIN: WVWBR71K07 Changed battery an no door module communication. Windows will not work either switch, will not work from outside key switch. Drained main computer by hooking battery ternimals together. Found tsb 57-07-09 that addresses this problem. I am desperate must come i...	View

Fixes & Summaries for All Makes and Models

	Fix/Summary	Answers
	1997 Buick LeSabre Custom 3.8L MIL Lamp on VIN: 1G4HP52K9V I did find that the fuel tank pressure sensor volts did not change When I pressurized, or created a vacuum to the tank., this tells me That the FTP sensor is no good., but unfortunately the customer Had no money to go any further for.., thanks to all who repli... Trouble codes: P0440.	12
	2001 Cadillac DeVille 4.6L no spark VIN: 1G6KD54Y71 What a headache .I did not say in my first post this car had engine replaced in june at another shop. Had tapping noise from first day. Customer not happy with other shop brought car to me.We repleced tapping engine. Thats when my trouble began. No start, trou...	8
	2007 Cadillac DTS 4.6L Driver Info Center VIN: 1G6KD57YX7 Thanks for the input, there was no visible damage found on the sensors or what could be seen of the wiring harness and connectors. We recommended taking the vehicle to the dealership since we could not adequately establish communication with the park assist/ob...	2
	1998 Chevrolet Monte Carlo LS 3.1L front strut mount bearing VIN: 2G1WW12M5W thanks to all that responded.this is not the quick strut style. we have ordered the lower seats with bearings. the customer will schedule the repairs after the holidays.i will respond back after the repair is completed. thanks.kevin	25
	2003 Chevrolet Silverado 3500 8.1L Sticking throttle VIN: 1GCJK33GX3 Ok so We focused on the cruise circuit and removed covers to access cruise sw.connector. Disconnected it and road tested and the problem was gone .Ok we are getting somewhere .. reconnected it and problem still gone ...everything works fine ... not sure why bu...	6
	2008 Chrysler Town & Country Touring 3.8L Ignition Switch VIN: 2A8HR54P88 Thank you for all the replies. Removing the battery did not help, nor did tapping on the key. Upon removing the module and dissasembling it, it would turn but no longer start the car or energize the pcm. A new WIN module did fix it after reprograming. I be...	7
	1999 Dodge Grand Caravan SE 3.3L Excessive Emissions, No Start, Poor Idle Quality, Cuts out, Stall, Misfire VIN: 2B4GP44R9X got to the bottom of this one at last, after checking the cam crank sync for the hundredth time we just decided to get a new cam sensor in it. that didnt fix it the waveform looked the same, perfect at cranking but the poor pattern when it fired up was disrega...	18
	2000 Dodge Durango 4.7L No Start VIN: 1B4HS28N9Y Found the fuse labeled door locks happens to be the power feed for the CTM aka body module, which even without theft alarm, still has to send an "ok to start" message to the PCM. I followed the wiring diagram to find all items that are fed by this fuse. One by...	15
	1999 Ford Explorer XL 4.0L Poor Idle Quality, MIL Lamp on remove upper and lower intake and change seals thank you i did not respond earlier, test drive vehicle reset code and did not came back, seems to be a common problem Trouble codes: P0174.	16
	2000 Ford Focus LX 2.0L Speedo,MAF,INJ,Radio VIN: 1FAFP33P4Y We spent to much time trying to determine what we did and blinded ourselves. When the vss spiked and other voltages were unstable at the pcm with spikes in excess of 50V we felt it must be ignition related. Hooked up inductive pickup and found that the drops a...	4
	2004 Ford E-450 Super Duty 6.0L Lack of power VIN: 1FDXE45PX4 let me start by saying how much i appreciate all the help from everyone who responded to my cry for help. cleaned egr valve, had intercooler cleaned,checked all pids, all intake and exhaust connections, wiring, still no good. had local diesel tech from ford ga... Trouble codes: P0401 (Egr).	18
	2006 Ford E-350 Super Duty XLT 5.4L rsc warning VIN: 1FBSS31L46 Thank you Stuart, Fred & Long for your help & direction. With your help was able to clean sensor magnets and warning so far has not returned. Jason if you read my post what help I was requesting was diagnostic help. Your response of three words Roll Stability ...	5
	2006 Ford F-250 Super Duty XLT 6.0L No Start VIN: 1FTSX21P16 Thanks for all the help. Sorry it took so long to reply, but like i said I am learning quickly about theese diesels. I had to wait for snap on to show up so i could get a socket to remove the ipr valve. When i removed it the screen was torn, so i replaced it a...	13
	2007 Ford F-350 Super Duty XLT 6.0L Poor Fuel Economy, MIL Lamp on, smoking VIN: 1FTWW31P37 First: Thank you very much to everyone that took the time to reply - I got a lot of useful information and learned a lot. Steven [...]. We h... Trouble codes: P0270 (Injector 2 circuit low), P0279 (Injector 7 circuit low), P0460 (Fuel level sensor A low).	10
	2010 GMC Sierra 1500 WT 5.3L Trailer Module VIN: 1GTSCTE04A Found a broken wire about 6 inches away from brake light switch where the aftermarket remote start wire was tied in.	2
	2003 Hummer H2 6.0L power steering VIN: 5GRGN23U73 Thanks for all the help. The truck is fixed. It had two different problems, The one I fixed was the power steering pump. after replacing it two times with delco reman pumps( sometimes I think I am the only one in the shop that believes in new parts ) I convinc...	12
	2005 Hyundai Sonata GL 2.4L No Start VIN: KMHWF25S25 Ignition failure sensor and 2 new coils (for good luck). runs like new. i do not have a labscope so i had to go with my gut on this.. logic probe did show a strond 10v+/- at ifs signal wire after replecment. low 5 volt previos.. Thanks to all who replied..	6
	2004 Jeep Grand Cherokee Laredo 4.0L Misfire, MIL Lamp on VIN: 1J8GW48S74 ok this one seems to be fixed ..this is one of those fixes im not to sure how i did it but this is what i did maybe it will help someone somehow. the customer did not want to pusue the p0601 code because i was pretty sure it was not related to the rough runnin... Trouble codes: P0601.	16
	2005 Jeep Grand Cherokee Limited 4.7L Door Locks VIN: 1J8HR58N45 After hours of searching and comments on here, I could not find any answers to why alarm will not dis arm with key. So I wound up taking remote apart and repaired little clip that hold battery. Works now.	8
	2000 Lexus RX300 3.0L water leak righ front VIN: JT6HF10U7Y While I did not fix this there were several replies about pin holes in the pillar or body around the windshield. My next step was to remove the headliner check all drains at the tray in case some were actaully leaking at there niples. And then look at the p...	12
	2008 Mitsubishi Eclipse Spyder GS 2.4L No Start, cranks slow, loud VIN: 4A3AL25F88 THANKS FOR ALL THE HELP, THE CAR WAS SENT TO MITSUBISHI SINCE OUR SCAN TOOL COULD NOT PULL BODY CODES RELEVANT TO THE IMMOBILIZER SYSTEM, AND APPARENTLY ONLY THEIR SCAN TOOL WILL DO SO (THE CUSTOMER WAS ALSO A LITTLE IMPATIENT WHICH ALWAYS HELPS ME PERFORM DIA... Trouble codes: U1109, U1117.	13
	2010 Nissan Maxima S 3.5L ignition switch VIN: 1N4AA5AP0A Turned out being steering column lock. Had to take to Nissan dealer. 512 dollars and a tow bill later it's good to go. Thanks for all the help! I appreciate it.	9
	1999 Pontiac Sunfire SE 2.2L Misfire VIN: 1G2JB1244X want to thank everyone! esp. craig and tim for your time and help. ok here is the skinny, the timing chain is worn and loose the tensioner is not able to keep the slack out and the #1 cylinder began to missfire at high rpms which point the ecm detects the mis...	21
	2005 Toyota Highlander 3.3L left rear window VIN: JTEEP21AX5 I did check data out wire for the switches from master switch with scope. then windows started working. Customer did not want to go any further with diagnosis. We did check for recalls, none on window switch for this vehicle. Thank you for all your help.	9
	2005 Toyota RAV4 2.4L No Start, MIL Lamp on P0115 - Engine Coolant Temperature Circuit Malfunction=== Fixed by replacing ECT sensor terminal socket that was burn out! the Spark on 2&4 coil pack was fixed by changing the angle into 7BTDC from 5BTDC, thanks to Jack [...] and his Wife Joy Cabarles of San... Trouble codes: P0115 (Engine Coolant Temperature Circuit Malfunction).	8
	1991 Volkswagen Vanagon 2.1L Hesitation, Cuts out VIN: WV2ZB0257M First thank you for all of your replies, they were very much appreciated.I cleaned all the grounds and found that the camper stuff stored under the seat had hit the ground wire at the ecm harness and broke its connections. Cleaned the paint around the bolt hol...	14
	2007 Volkswagen Passat 3.6 3.6L Rear hatch VIN: WVWLU73C57 I could not find a positive reset procedure for the open and close positions through alldata so I ordered both motors assemblies and thought to try one at a time to see if I had a bad motor. I installed the passenger one first and it was the same thing. After ...	4

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