Automotive Technicians Technical Discussion and Fixes for Dec 31, 2009

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	Help Request	Answers
	2001 Buick Century Custom 3.1L door locks VIN: 1G4HP54K41 we bought this buick to sell. the door ajar light comes on intermittenly when all doors are closed. during this time the odometer can't be seen. if we press the odo/trip button the mileage shows up. i don't have a scanner that can monitor the doors but isuspec...	View
	1995 Chevrolet C3500 6.5L master cylinder VIN: 1GBJC34F4S As stated, this will be the third clutch master cylinder to be replaced. Can not find any reason for this to be happening.	View
	1998 Chevrolet C3500 Silverado 6.5L fuel gauge VIN: 1GBKC34F8W Hey folks, I've got one here that is causing me to pull my hair out. This truck has a minor problem where the fuel gauge will basically vibrate really fast. It isn't moving around much just vibrating. I've seen a few of these over the years doing this but no o...	View
	2001 Chevrolet Blazer LS 4.3L low beam headlamps VIN: 1GNDT13W51 hi everyone, i have a s10 blazer with no low beam headlamps, all fuses and relays are good, we figured it was a multifunction switch( like many others) installed a new gm switch. still not lights. we are thinking poss. bcm? lighting module? gm says lighting mo...	View
	2002 Chevrolet Silverado 3500 6.6L shifts into neutral VIN: 1GCJK39152 speedometer would not work causing to shift into neutral shift indicater flashing replaced all speed sencers and shift soloind on side of transmission transmission shifts fine but but every now and then it shifts into neutral driving down the road drop it down...	View
	2002 Chevrolet Blazer Xtreme 4.3L Unknown VIN: 1GNCS18W92 veh reposessed. inspection revealed leaking intake which after replacement veh looses heat while driving. backflushed heater core,same result. veh would start to overheat (260f) while idling. replaced t-stat, still lost heat and ran hot. flushed everything,rep...	View
	2004 Chevrolet Colorado Z85 LS 3.5L rf speed VIN: 1GCOT13684 i have a 2004 colorado 4x4 that has a rf wheel speed sensor hard code. i have replaced the sensor and swapped a known good abs modulle and still receive the code. scan tool shows no speed from that wheel at any time. checked wiring from hub all the way back to...	View
	2002 Chrysler Town & Country Limited 3.8L no data at obd plug VIN: 2C8GP64L32 all help appreciated on this one!	View
	2001 Dodge Ram 1500 Laramie 5.9L Hesitation, Stall, Misfire, spark knock VIN: 3B7HF13Z41 Hey dodge guys this truck intermittently stalls. It also has pretty heavy spark knock at times under heavy accel. it does not upshift to 2nd at wot. also under heavy accel it looses power at higher rpms but this is also intermittent. It had a P0351 primary ign...	View
	2003 Dodge Ram 3500 Van 5.9L tire wear VIN: 3598715625 guy came in with this truck i havent looked at it yet .want to get som e ideas before i work on it and get stuck with it.c/s tires wear bad on out side edge.he runs 70 lbs air in fronts.hes had it align 8 times this year,has replaced fornt tires 3 times in 20 ...	View
	2006 Dodge Dakota SLT 4.7L Excessive Emissions, No Start, Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, Misfire, MIL Lamp on VIN: 1D7HW48N46 HI Dodge Pro's... PO300, PO308, PO2099...this truck has the typical "lower intake plenum" symptom, like on earlier models - I plugged the PCV hose and put my hand over the oil fill cap opening and within 10-15 sec my hand almost got sucked-in (major vacuum suc...	View
	2008 Dodge Sprinter 2500 3.0L Maintenance VIN: WD0PE84568 I was wondering if anyone knows how to reset the maintenance indicator on the dash. It has the "Service A due - 1300 miles" on the dash. Tried Alldata procedure but did not work. The vehicle also has steering wheel controls. Thanks in advance	View
	1992 Ford F-150 Custom 5.0L Poor Idle Quality, Cuts out, Stall, Misfire VIN: 2FTEF15N6N replace engine from scrap yard. didn't have an injector pulse , found that wiring harness is diffrent , reeplaced with old harness and then it would start but missfired bad, runns not bad at higher rpm. but will not idle. if i keep running the engine the cat s...	View
	2004 Ford F-250 Super Duty Lariat 6.0L No Start VIN: 1FTNW20P64 This truck has been in my possession since march of this year (2009). Customer finally decided to get it repaired. I had a help request for this one in march which I had to close with a no fix. I made a mistake in that post with the year. It is 2004 not 05 as ...	View
	2002 GMC Sierra 2500 HD 6.6L Hesitation, Misfire, MIL Lamp on VIN: 1GTHK23192 This has been an ongoing problem for the last 5 years. Every winter this duramax will go into limp mode and the ses lamp comes on. Won't go past 20 mph. And sometimes when that happens the fuel gauge will read empty and the check guage lamp is on. It happened ... Trouble codes: P0101, P0201, P0204, P0206, P0207, P1261	View
	2008 GMC Yukon Hybrid 6.0L No Start VIN: 1GKFK13518 Vehicle arrived here from body shop,was involved in a front end collision.I suspect the crash detection sensor has locked out the hybrid system My question is do I need to replace the impact sensor and can I reset the hybrid control module with the snap on sol...	View
	1991 Honda Accord LX 2.2L No Start, Stall VIN: JHMCB7652M this handa came in 4 days ago with a start/stall prob. the customer supplied a fuel pump and said no diag, just install pump. after the pump install the car ran good and the customer took it. today it came back for a no start condition, this time the customer ...	View
	2000 Hyundai Sonata 2.4L oil pressure VIN: KMHWF25S3Y car was towed in with crank no start.checked codes found a crank position sensor code, replaced crank sensor car runs great but the oil pressure light stays on. took front timing covers back off. aligned timing marks but no of them line up properly. also found...	View
	2002 Hyundai Santa Fe 2.4L abs module VIN: KM8SC13DO2 Hello to all Hyundai techs. First of all this a 2.7 Liter 2WD (front wheels) Sante Fe not a 2.4 as listed. The Abs and Tsc light is on code is (according to snap-on scanner)is C1275 G Sensor. Here is where it gets tricky, Firstly according to the dealer the 2W...	View
	2003 Hyundai Sonata 2.4L No Start VIN: KMHWF25S43 car has no spark at cyl 1 and 4. test coil for 1 and 4 ok. test trigger for 1 and 4---no trigger from pcm. test trigger at pcm and scope cam and crank signals. no trigger at pcm cam and crank good pwr and grd good voltage drop tested at pcm ok. need pcm? comp ...	View
	2002 Jeep Grand Cherokee Limited 4.0L Electronic VIN: 1J4GW58S82 After replacement of blend doors all was was working good but then the customer returned saying after 20 min of heat operation the passenger side suddenly gos to cold by its self we confirmed this and also found if we then cycle the key the process starts over...	View
	2001 Lexus GS300 3.0L brake booster VIN: JT8BD69S01 when car is started initially on a cold morning, you can hear a rythmic air pressure releasing type noise, from uder dash. noise changes when you apply pressure to the brake pedal. also customer states that brake warning light will illuminate along with the vs...	View
	2004 Lincoln Aviator 4.6L park indicator VIN: 5LMEU88H04 park light indicator stays on with key off. light operates normally when shifting gears. is this light supposed to stay on with key off? i suspect not as we have a battery drain after several weeks of storage time. thank you in advance for your help.	View
	2007 Mazda CX-7 Grand Touring 2.3L Evaporator VIN: JM3ER29327 We need labor time clarification for replacement of the evaporator core on this 2007 Mazda. We have the a/c case out and it required a complete dash pull and case disassembly as most late models do anymore. Unfortunately Mithcell shows only 4.1 hours, Motor 4....	View
	2003 Mercedes-Benz G500 5.0L Poor Idle Quality VIN: WDCYR49E33 I have a 2003 Mercedes G500 custome bought vehicle about 6 weeks ago with no issues. Came into shop with a high idle in park and neutral. Idles at 1750rpm but when brake is applied idle drops to spec. removed vaccum hose from booster suspecting internal leak, ...	View
	1999 Mercury Mystique LS 2.0L no sparks VIN: 1MEFM6532X ok folks im in bad need of some help,first off i am no electrical wizard by any means...customer brought in a 99 mercury mystique with trans slipping they supplied replacement trans which was from salvage yard.i have replaced the trans now when cranking fuse f...	View
	2000 Mitsubishi Montero Sport ES 3.0L radio VIN: JA4MT31H9Y Was wondering if some one could help with the ridio code. I changed the battery and now no radio. model # is [...] any help would be apreciated. Happy new year.	View

Fixes & Summaries for All Makes and Models

	Fix/Summary	Answers
	1999 BMW 323is 2.5L starter VIN: WBABF833XX Intake removal seemed the best option for us(I would be curious to see how others remove it from the bottom on the auto tranny). Only the top torx bolt on the starter required a few well placed extensions and universals- time wasn't too bad for first attempt. ...	11
	2009 BMW X5 xDrive35d 3.0L ALsystem VIN: WBAFG41099 thanks for everyone's reply,I repaired it .sometimes everything are full of drama,yes ,it's the Electromagnetic interference,not the generator,the spark plug,but the wiper/washer system.the front wiper motor power wire(stage 1) interfere in the active steering...	2
	1981 Cadillac DeVille 4.1L Distributor VIN: 1G6A04747B Thanks for all the good info everyone. I ended up lining it up the ol' fashioned way. Put my compression gauge on and turning her over by hand until she was on 1. I removed the cap and it was pointed where I had first thought #1 should be. But better to be ...	10
	1989 Chevrolet C1500 Silverado 5.0L Excessive Emissions, Poor Idle Quality, Hesitation, Surge, Cuts out, Stall VIN: 1GCDC14H8K Thanks for all the replies. After making some phone calls this morning I found someone with a pressure guage & the fittings to hook it up. I checkes pressure in the shop & had 12psi. I went on a test drive & the pressure quickly droped to 5psi then the pump ju...	20
	1996 Chevrolet S10 2.2L no low gear VIN: 1GCCS1449T As stated in the update, the two solenoids read real high resistance. My respondents agreed that they were too high: read around 750 ohms, should have been 20 or so. I felt the PCM was doing its job, because we could flash the battery connection, and start the...	25
	1999 Chevrolet Lumina 3.1L Misfire, MIL Lamp on VIN: 2G1WL52M8X Thanks For all The Help. We Tried Ign Module, All 3 Coils, Checked Egr Valve And Made Sure Passage Was Open, Flashed Another PCM, Tested Compression, Replaced Spark Plugs, Nothing Helped. When We Flashed PCM We Could Not Get The Car To Do A Crank Relearn. Than... Trouble codes: P0300.	16
	1999 Chevrolet Silverado 1500 LT 5.3L Four Wheel Drive VIN: 2GCEK19TXX We put the vehicle in park with the engine running and checked to see if the drive shaft would move - it did with resistance. With someone in the vehicle we checked the drive shaft resistance going from 2 wheel drive to 4 wheel drive. Remove the detent plug ...	6
	2002 Chevrolet Trailblazer EXT LT 4.2L Heated Seats VIN: 1GNDT13S32 It appears that the drivers door module will have to be programmed. We have programming capabilities here but GM requires a minimum 3 month subscription to TIS at the cost of 300.00, not cost effective unless we do 5-6 GM programmings over the next three month...	5
	2008 Chevrolet Colorado LT 3.7L Poor Idle Quality, Hesitation, Surge, Misfire, MIL Lamp on VIN: 1GBDS14E38 Well this one seems to be a real problem I have tried everything. Some of you have mentioned checking the wiring and making sure I had used the original wiring harness which i had. The truck was at the dealer and they said it needs a 2008 model motor. I tried ... Trouble codes: P0014 (Camshaft position timing over advanced or system performance), P0366 (Camshaft position sensor B circuit rangeperformance), P0300 (Randommultiple cylinder misfire).	4
	1998 Ford Expedition XLT 5.4L Heater VIN: 1FMPU18L4W Ok, I finally got this one. It ended up being the heater core(s). The vehicle was getting up to 190f on the scanner. Although the hoses didn't get above 100f and the thermostat housing didn't get above 135f. I think the ambient temp (15f) effected my Temp ...	9
	2008 Ford F-150 XLT 5.4L engine vibration VIN: 1FTPW12598 Thanks all, this was no garden variety, run of the mill vibration. All the normal players had already been checked. I have seen this before in couple of 5.4s. I think we are in genesis stages of seeing a failure trend developing in the 5.4. With that being sai...	8
	1998 Honda CR-V LX 2.0L No Start, Poor Idle Quality, Stall VIN: JHLRD1862W The Honda is fixed! Dennis [...] were the guys with the info. Cold running temps will affect the LTFT enabling function. Many replies thought that the vehicle was not going closed loop. As I stated in the post, the vehicle WAS in Close...	19
	2002 Honda CR-V LX 2.4L No Start, Misfire, Poor Fuel Economy, MIL Lamp on, Rich VIN: SHSRD68422 You guys are great. Adjusting the valves took care of the problem. Whoever installed the cylinder head gasket must have not set the valves correctly. They were to tight. I think that when it was cold the tight valves caused the rich condition. Once the ve... Trouble codes: P0172 (Fuel system too rich bank 1), P0302 (Cylinder 2 misfire), P0303 (Cylinder 3 misfire), P0304 (Cylinder 4 misfire), P0300 (Random/multiple misfire), P1456 (EVAP system leak fuel tank area).	14
	2001 Infiniti QX4 3.5L MIL Lamp on VIN: JNRDRO7X71 thanks to both of the members that e-mailed me but i did not fix this truck because customer did not want to spend anymore time on it.again thanks for the help. Trouble codes: P1130.	2
	1997 Jaguar XJ6 4.0L MIL Lamp on VIN: SAJHX1247V Just want to thank all of you for taking the time to reply. We did replace the knock sensor and drove it a few times. The customer has not picked the car up yet. It has been sitting here for the past month. I guess because of the fact that he owns about twelve... Trouble codes: P0331 (Knock sensor circuit bank 2).	7
	1992 Lexus SC400 4.0L dash lights VIN: JT8UZ30C2N Thank you all for your help. We did not find the rest of the wiring diagram in ALLDATA that we needed to trace the 12V backfeed. So we stepped back and looked at the basics. First the vehicle has an aftermarket radio which we had disconnected and eliminated...	5
	2000 Mazda Protege ES 1.8L MIL Lamp on VIN: JM1BJ2228Y Thank you all for your quick replies. As I stated earlier, the MIL went off and stayed off after I replaced the cracked exhaust manifold. Four of the five who responded said that it was probably a software problem with my Genisys scanner, including one who s... Trouble codes: P0420.	6
	1987 Mercedes-Benz 560SL 5.6L speedometer VIN: WDBBA48D4H thanks for all that replied,ck a/c voltage at instrument was fine but would lose it at times further investigation revealed bad transmission harness about 222.00 cost still available from germany,temporary fixed harness at damaged area,signal is good but still...	4
	1997 Mercury Sable LS 3.0L camshaft VIN: 1MELM53S9V The replies were as I suspected the cam gear is not known to turn on the camshaft. Vehicle was repaired with installation of replacement PCM Thank you for your time	4
	1997 Mercury Sable LS 3.0L Misfire VIN: 1MELM53S9V The replies varied from EGR and reflash to tuneup and fuel delivery. Like many of these the root cause could noit be tested except by swaptronics. After installing the newest flash and revisiting the timing issue a replacement computer was installed and th...	15
	2005 Mini Cooper S 1.6L MIL Lamp on VIN: WMWRE33405 sorry for the delay, but this car has yet to return for further inspection, the car will hopefully return after the kids go back to college. advise is to replace the l.d.p., i would like to do a little more testing & i would like to monitor the l.d.p signal w... Trouble codes: P1477, 09216 (evap leak detection pump control circut failure).	4
	2002 Mitsubishi Montero Sport Limited 3.5L pedal height VIN: JA4MW51R12 Sorry guys, not fixed simply ran out of time during the holidays to get back on this one. 10 replies,I will list the main thoughts. Some said to do a complete brake fluid flush.2.Block lines one at a time until problem is isolated. 3.Check wheel bearings for s...	10
	2007 Nissan Frontier SE 4.0L readiness monitors VIN: 1N6AD06W97 WELL the dealer had this vehicle for 2 days and traced it down to the P.C.M ACCORDING TO THE CUSTOMER AS SOON AS THEY REPLACED IT THEY WERE ABLE TO GET 2 OF THE 3 MONITORS TO RUN AND THAT WAS ENOUGH TO GET IT THROUGH N.Y INSPECTION. THE WORK WAS COVERED UNDER ...	12
	2003 Saturn L300 3.0L timing belt VIN: 1G8JL54R34 Thanks everyone. Guess it's pretty simple, wish the expensive software would give the proper setup information. Gates has a timing belt kit with proper instructions and pictorials (P/N TCK 285B). Happy New Year.	5
	2005 Subaru Outback i 2.5L MIL Lamp on VIN: 4S4BP61C15 Car has not come back since repair. We are planning to call and replace the front sensor to see if that helps. When we get more info we will post again Trouble codes: P2097.	7
	2004 Toyota 4Runner Sport 4.0L transfer case VIN: JNEBU17R24 WELL I RECEIVED SEVERAL replies ... i choose to start with codes first, p0504, c1223 & c1246 ,after reviewing info in alldata the brake switch code seemed related to setting abs codes so i stated with p0504 brake switch, you can monitor with scanner for input...	9
	2006 Toyota Camry XLE 3.0L window regulator VIN: 4T1BF30K86 reset window motor forward & back line up marks r/r door panel	7
	2005 Volvo S60 2.5T 2.5L security VIN: YV1RS59245 Thanks to Bruce, George, Tim, Mark, and Nico. I have not fixed this car yet because the customer is from out of town and needed to go home. I'm not sure when he will be back, but I'll let you know when it's fixed. Here is the information I recieved. When you ...	5

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