Automotive Technicians Technical Discussion and Fixes for Feb 21, 2011

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	Help Request	Answers
	2004 Audi TT 1.8L PRNDL inverted VIN: TRUTC28N94 after first rebuild, torque converter welded itself to input bushing due to poor ground. have repaired all the grounds now but the prndl is inverted. trans shifts ok through all gears. able to communicate with pcm, stores a code 18010(p1602) with NO mil on. fu... Trouble codes: 18010 (low voltage terminal 30 pin 62 at pcm)	View
	2000 Cadillac Eldorado ETC 4.6L Compressor VIN: 1G6ET1296Y Vehicle come to shop due to a/c not working it shows in the (dic) low refrigerant a/c off. Found compressor leaking, replace compressor,accumulator,orifice tube,recharge with 2 lbs of freon, clear dtc's disconnect battery. Crank vehicle turn a/c on compressor ...	View
	2000 Cadillac Eldorado ESC 4.6L MIL Lamp on VIN: 1G6ET1298Y I have a very good customer's car who spent pretty good money for a Jasper engine and trans replacement that I performed. The car ran great for 10k miles or so until the check engine came on. The car still ran great but it's inspection time and the car will no... Trouble codes: P0340, P0341	View
	2000 Chevrolet C3500 5.7L fuel gauge VIN: 1GBHC34RXY fuel gauge w/key off will settle at approximatly 1/3 tank. turn the key on, gauge will raise approximatly 10% then go to empty. disconnect fuel balance module and turn key on, gauge will go to approximatly 1/4 tank. according to customer, gauge did not work be...	View
	2000 Chevrolet Silverado 1500 4.8L Stall VIN: 1GCEK19V3Y Truck always starts,but only runs for a few seconds then it stalls.Seems to be in security but security light is not flashing. Also, security light does not come on when ignition is turned on. Security light will illuminate when TBC fuse is removed from the ...	View
	2003 Chevrolet Impala LS 3.8L all gears except R VIN: 2G1WF55K93 Hey guys, you helped me in the past with this one. I recently replaced the 1-2 and 3-4 shift solenoids in this one. The original problem was when you put it in drive it was in 3rd or 4th, had no take off power. I replaced the two solenoids with NEW Delphi sole...	View
	2004 Chevrolet Silverado 2500 HD 6.6L No Start, Stall VIN: 1GCHK23124 This one came in on a chain. I tried pumping the primer and noticed a little pressure, i pushed the service port and releived air and she started right up and ran for approx 30 min. I shut it down and went to lunch and when i came back she started right up wit...	View
	2005 Chevrolet Uplander 3.5L Hesitation, MIL Lamp on VIN: 1GNDV23L85 Hi ladies and gents, we have this Uplander in the shop and someone decided to replace the 20 buck cable that went from the gas pedal to the throttle thingy with a couple hundred dollars worth of electronics, giving those of us in the industry the opportunity t... Trouble codes: P1125 (APP sensor), P2138 (Difference in APP sensors)	View
	2002 Ford F-450 Super Duty XL 7.3L oil leaks Hey guys thank you for your time.I am by no means a diesel technician,but i have this rig here that on first look seemed to have a rear main seal leak.After reading all the info i could get on iatn ,well it seems to be leaking at high pressure oil pump line fi...	View
	2009 Honda CR-V EX 2.4L engine VIN: 5J6RE48579 i came across a crv here that has a rattling or slapping sound comming from the crank area. loudest when listening to the oil pan. i happens when free reving at 2500 to 3000 rpm and letting go. it also is heard at about steady 2800 free rev. this has the new s...	View
	1998 Isuzu Hombre S 2.2L Excessive Emissions, Poor Idle Quality, Surge VIN: 1GGCS1943W Vehicle came in surging and with poor idle quality at idle. Has dtc p0132 HO2S high at idle. Can only duplicate concern by turning headlights and blower motor on high. HO2S then goes high and STFT= -25%. If fan is turned off then HO2S goes back to normal and S... Trouble codes: P0132 (Ho2s high voltage)	View
	1999 Jaguar XK8 4.0L Mechanical VIN: SAJGX2049X Hi Jaguar guys, this car came in rattling,found bad timing chain tensioners,replaced those changed engine oil and filter (5W30). After cold start engine makes no rattle noise when warming up you hear the chains making noise again,not as bad as before.Checked o...	View
	2006 Jaguar S-Type 4.2L MIL Lamp on VIN: SAJWAO1B66 Hello Fellow Techs, Owner said she started car one morning and the engine ran very rough and check engine light came on so she shut engine off and restarted.After restart,engine ran fine,engine light went out so she brought car to us for repair.Have road test... Trouble codes: P2610 (87- ECM internal engine off timer performance), P0160, P0180	View
	1997 Jeep Grand Cherokee Laredo 4.0L Cuts out, Stall, MIL Lamp on VIN: 1J4FX58S5V Ok, here goes. Customer states that going down the road, usually after letting the vehicle sit over night or through the day, it will randomly cut out and sometimes completely stall out. At least two other shops have chased this problem for the last 3 (!!) yea... Trouble codes: P0463, P0108, P0351	View
	1998 Jeep Cherokee Classic 4.0L Converter VIN: 1J4FJ68S9W Here's my problem of the month. The transmission is a 340. It came in slipping aith a P0749 code. No lockup drop RPM's. Rebuilt trans and repalced torque converter with rebuilt. Car came back in 2 days with code. Trans shifts fine and lockup was working. Clear...	View
	2000 Jeep Grand Cherokee Laredo 4.0L low coolant light VIN: 1J4G248S6Y Hi all you jeep tech, I have this grand cherokee laredo in the shop for a recuring problem. The low coolant light keeps coming on, no leaks in system. We replaced the radiator some time ago, but the problem just started. Checked the ground, have power from the...	View
	2002 Land Rover Freelander SE 2.5L oil leak VIN: SALNY22262 cam plugs keep blowing out under load we replaced cam plugs & installed cold weather update kit for crankcase breathing. Cleaned out small fixed orifices in both valve covers. Vehicle still came back with a different cam plug blown out. checked crankcase pr...	View
	1993 Lexus LS400 4.0L No Start VIN: JTBUF11E3P Thanks in adavance for all your help. Costumer installed his own battery and got it started. Ran for a day in a half and dead battery. Towed in put jumpbox on and it started. Checked charging system. Replaced alt. Charging fine. Next day car sat overnight at s...	View
	2007 Lincoln Town Car Executive L 4.6L door locks VIN: 1LNHM84W47 This car will lock it self when you drive down the road and keep tring to lock it self as you go. I had it sitting in the shop and the door lock them self and after a few mins the light will flash everytime the locks lock. Also every time you would try to star...	View
	1998 Mercedes-Benz E320 3.2L shift valve VIN: WDB2100612 Car came in first with trans clicking. Found oil leak into Trans ECU,cleaned and repaired oil leak.This trans is still making a clicking noise from transmission when hot and in P or N.The clicking is coming from one of the shift solenoids (shift 1-2 4-5). Clic...	View
	2000 Mercedes-Benz SLK230 Kompressor 2.3L Water Leak VIN: WDBKK47F1Y Hi Mercedes tech's, this one has a water leak in the passenger floor area, we had found the front cowling drains very clogged with leaves and such,we cleaned all of it out and the leak seemed to be fixed. It came back a few weeks later and is leaking again, sa...	View
	2005 Mini Cooper 1.6L No Start VIN: WMWRF33575 Ok i replaced the head gasket,afterwards when i turn the key the starter will not engage. When i scan it it has code 1661 ews timeout. i can go into ews with scanner it says the key is working properly and the ews module and dme module are commicating correctl... Trouble codes: P1661	View
	2007 Mini Cooper S 1.6L dual mass fly wheel VIN: WMWMF73597 hi there i have a dual mass flywheel that seems to have alot of play. is this normal or is there a spec. can any one help me with this thank you ...	View
	1994 Nissan 300ZX 3.0L condenser fan VIN: JN1RZ24D0R Customer bought in car to check radiator/condenser fan for no operation.Vehicle has Auto Climate Control.Found refrigerant low,recharged system.The radiator/comdenser fan will not come on but I can ground the relay and the fan will work.Getting no ground from ...	View
	2004 Nissan Pathfinder Armada SE 5.6L No Start VIN: 5N1AAO8B24 Hey gentlemen sorry have not been on for a while just been burning the midnight oil here at the shop. But need help have this 04 armada. No spark no start. Have batt power at the injectors and the coils. Getting good labscope readings from the cam and crank se... Trouble codes: P0340	View
	2003 Saab 9-3 SE 2.0L water in pump VIN: YS3FB45593 The Secondary Air Pump has gone bad because of water in the system. The air filter is damp, and there are small puddles of water in the a/f housing. Obviously water is getting into the a/f intake. Somewhere, I remember reading about a TSB concerning this probl...	View
	2002 Saturn L200 2.2L LF speed sensor VIN: 1G8JU54F02 When coming to a stop the ABS brakes acuaete briefly right before coming to a complete stop. At Approximatly 3 to 8 MPH. There are no codes stored in memory. The LF sensor was dropping faster then the other 3 wheels according to my scanner. So we replaced the ...	View
	2008 Subaru Outback 2.5L vibration VIN: 4S4BP62CX8 This vehicle was brought in for a Ck engine light on and vibration when car is put into gear, P0420, cat effic code, it was test drove and monitored a/f sensors. It was not switching, it was replaced and engine was motor vaced. Client took the car, Ck engine l... Trouble codes: P0420 (Converter efficency code)	View
	1991 Toyota Pickup 2.4L Excessive Emissions customer came in with gas odors and found fuel leaking out of fuel tank canister[not actual gas tank] at front of veh,replaced all lines with fresh and problem still there. fuel is dripping below canister there is a drain hose of some type.never seen this happ...	View

Fixes & Summaries for All Makes and Models

	Fix/Summary	Answers
	2002 Audi A6 Quattro 3.0L cam seals VIN: WAULT64B92 Thank You to all that have replied. This job was not bad, just took some time and $400.00 worth of some new tools. The soliniods that control the VVT's were not leaking, the gasket between head and plate was leaking. Some mentioned that they have seen these so...	9
	2004 Audi A4 1.8L Hesitation, MIL Lamp on VIN: WAUJC68EX2 Thanks for all the help. Customer didn't want spend a dime on her daughters car. Has soon has customer was told repair was going to be more the $100 they bailed. Thanks for all the help Trouble codes: P0139, P0135, P0172, P0171, P1296.	10
	2005 Audi A4 Quattro 1.8L Poor Idle Quality, Misfire, MIL Lamp on VIN: WAULC68E45 I want to thank everyone for taking the time to consider my problem. Yes, I smoked the intake ...NO, I did not smoke the air source system from air box to t-body. So I did and found a tear in the tube from air box to turbo. Not a very good basic diagnostic... Trouble codes: P1128 (Fuel trim B1 lean), P0171 (Fuel trim B1 lean), P0507 (Idle higher than expected), P1136 (Fuel trim B1 lean), P0101 (MAF signal implausable intermittant), P0442 (EVAP small leak).	14
	1988 BMW 535i 3.5L Hazzard lights and indicators VIN: WBAHD12040 Thanks for all the replies.Brad hit it on the head.The flasher unit was supposed to be in the power distribution box under the hood LH side with the fuses etc but it was missing.After reading the last reply i just happened to be doing a W O F inspection on a ...	9
	2004 Buick Regal LS 3.8L clockspring VIN: 1NEW348K74 thanks everyone for your input got a second gm clockspring and installed every thing is fine must of got a defective one just have never ran into that problem with oe clocksprings	8
	2008 Cadillac Escalade ESV 6.2L parking assist module VIN: 1GYFK668X8 Called to SPS, they added missing calibrations to the system. Reflash using MDI and fixed! Thanks to all!	3
	1994 Chevrolet S10 4.3L brake switch VIN: 1GCDT14Z7R Thanks Guys your the best, combination of problems here, intermittent bad bulbs, a bad ground, and the killer a trailer harness wired in with one of those cheapo blue plactic wire taps. Thanks again!!!	37
	1999 Chevrolet Silverado 1500 5.3L 2-3 & 3-4 Shift VIN: 1GCFK23T4X Ok, finally got this one figured out. The problem was the 3rd acummulator check ball in the case was not sealing, I always check these for being stuck and this one was moving freely but would not seal so the 3rd apply pressure was just bleeding off. When I put...	15
	2004 Chrysler PT Cruiser GT 2.4L monitors VIN: 3C8FY78G64 Good morning guys; Well this sure was an interesting one and thanks to all that replied... the client drove the car from here (Mission Viejo) ca. to San Diego and back and the monitors were finally set, I just had not experienced one that took so long to comp... Trouble codes: P0303.	22
	2006 Chrysler 300 Limited 3.5L MIL Lamp on VIN: ZC3KA63H26 Thank you all for responses & help. I removed the thermostat & found that the thermostat had seperated. (I assume it caused the therm to stay open at times) I installed a new thermostat & so far vehicle is working ok. Thanks again to "ALL" who responded it is ... Trouble codes: P0128.	22
	1997 Dodge B2500 5.2L No Start VIN: 2B7HB21Y2V Well will just have to wait and see on this one. I did put in anew iac motor, crank sesnor and coil along with the chrysler computer. will see what happens.	14
	1998 Dodge Durango 5.2L No Start VIN: 1B4HS28Y1W Thanks for all the help,Checked out all the things that was received in the replies and found nothing.Ended up sending truck to dealer.No fix info to add. Trouble codes: P0122, P0505.	16
	2002 Dodge Ram 2500 5.9L Cuts out VIN: 3B7KF23642 TEST KEPT POINTING TO A.P.P.S. I TRIED A KNOWN GOOD A.P.P.S. WITH NO CHANGE .WITH SCANNER HOOKED UP I STARTED WIGGLING AND TAPPING MODULES.WHEN TAPPING E.C.U. SCANNER SHOWED CODE TRIGGER AND VOLTAGE LOSS TO APPS.I AM CONVINCED I NEED A ECU AS I CAN CHANGE THE ... Trouble codes: P0122.	6
	2004 Dodge Grand Caravan EX 3.8L No Start VIN: 2D8GP44L44 Had bad ecm. The fuel problem was 12 gallons of water in the fuel tank that had become a solid large ice cube, the fuel pump was making noise. Changed fuel pump and cleaned fuel tank and lines. The asd fuse was also blowing found shorted coil pack. The ecm cau...	11
	2007 Dodge Ram 1500 SLT 4.7L transfer case VIN: 1D7HU18N37 The vehicle has been fine since I returned it to the customer. Thanks to everyone who replied to my help request. Turns out on the 4wd switch in the dash, the neutral light is a hidden button. Push it, and it goes or comes out of neutral. I guess it is for tow...	2
	1994 Ford E-150 Econoline Club Wagon Custom 5.8L Hesitation VIN: 1FBJS31H3R i'm calling this fixed, although i am not completely satisfied. i wanted to replace the fuel pump with a ford unit, but ford has discontinued the pump. i found a carter whole tank unit and installed and the hesitation problem went away. what i am not satisf...	15
	1994 Ford Explorer Limited 4.0L pcm fuse VIN: 1FMDU34X9R It appears we fixed this although we never experienced an "AH HA" moment. While we found the movement of the wiring harness on the left side of the engine, (which feeds the transmission)made the short go away, we stripped it off and found no real damage or bur...	10
	1996 Ford F-350 XL 7.3L No Start VIN: 2FDJF37F0T Well this cold snap brought out a few more of these trucks on the weekend with no start issues. Saturday morning was -32*C, ouch. The two trucks that I was working on were both plugged in and the block heaters did test good. A little more questioning of the... Trouble codes: P1212 (ICP not at expected level).	9
	2001 Ford Mustang GT 4.6L clutch VIN: 1FAFP42X51 Howdy Y'all! Thanks again to everyone who took time out to read and respond. Pete, Greg, John and Kieth helped the most. I believe they have "been there and done that". What I found was the Quadrant lever under dash had been changed. The aftermarket replaceme...	19
	2008 Ford F550 6.4L No Start VIN: 1FD5F56RX8 The P2289 code was setting we checked all the wiring and found no problum. When we went to install a new sensor we found the rail was holding 28000 psi over 24 hour ( know one replied that this system can hold pressure) this truck was holding rail pressure and... Trouble codes: P2289 (Icp to high engine off).	8
	2003 GMC Yukon Denali 6.0L cooling system turns out that the ect sensor was not letting the computer know that the engine was getting hot enough thanks for everyones replys !	12
	2004 GMC Envoy SLE 4.2L brakes VIN: 1GKDT13S94 It turns out that the problem was the right front wheel hub and bearing assembly. Thanks to everyone who responded. This wheel bearing shows no other signs of wear, it is not loose, but the change fixed it. Thanks again to all. The wife is happy now.	8
	2006 Hyundai Tucson GL 2.0L Engine bearings VIN: KMHJM81BR6 Thanks heaps guys. This tucson is back on the road after a low oil pressure stint. Replaced bearings, oil pump and desludged this motor.	5
	2002 Lexus ES300 3.0L MIL Lamp on VIN: JTHBF30G32 The final repair ending up disconnecting battery by the owner. So, I am wondering what happened? Probably due to dirty oil initially and we did changed the oil. Perhaps when the customer drove about 30 miles or so and he disconnect the battery at home. It cle... Trouble codes: P1350 (Camshaft postion sensor bank 2).	6
	1983 Lincoln Town Car 5.0L Hesitation, Surge VIN: 1LNB96F2DY well the pos towncar is fixed.thanks to all nine who responded.most of you gave helpfull information.the problem ended up being the tps.i never was able to catch the glitch on my scope.ended up going against my training and beliefs and became a parts changer.j...	9
	1976 Mercedes-Benz 300D 3.0L No Start VIN: 1151141203 As far as we can tell the car is fixed. We will not know for sure for about another month. We went for the glow plug update kit from Duraterm.Wiring diagram a little tough to read, not very explanitory. with a little digging on the net found a site that was he...	19
	2002 Mitsubishi Galant ES 2.4L Misfire VIN: 4A3AA46G92 I am going to close this post simply because I'm running out of time. This car belongs to a used car lot and so far they have pulled the head and had it checked, reassembled it checking the crank sensor assembly and timing chain along the way. They have repla... Trouble codes: P0303 (3 cylinder misfire).	12
	2003 Nissan Altima S 2.5L Glass VIN: 1N4AL11D73 So the last time costumer was in here he asked us to unplug the main window switch cause is wife was pregnant and she would be giving birth any time soon. We will be checking the vehicule again in the summer. I will start by looking at the fob and then I will ...	12
	2005 Nissan Sentra 1.8L No Start, Hesitation, Misfire VIN: 3N1CB51D85 ok so i left the coolant pressure tester on it overnight and in the morning number 4 had coolant in it. pulled off head and foung a spot on number four where machine shop had scored the head sent back re machined all is well now Trouble codes: P0304.	4
	2006 Nissan Titan LE 5.6L oil pressure VIN: 1N6AA06816 Hi and thanks for the replies. it turned out it was the check valve in the oil pan, we replaced the pan as advised by the dealer, and also the oil pressure switch and all is good. Don't quite understand what the valve in the pan's operation is but the dealer s...	6
	1996 Toyota Camry LE 2.2L Misfire VIN: 4T1BG12K6T Thank you for taking the time to respond. I checked and rechecked all the advice given but ended up removing the cylinder head. Mike reminded me of the older Camry oil pressure/clogged pickup screen problems,which helped force me to remove the head. I did chec... Trouble codes: P0301 (Cylinder 1 Misfire).	8
	2000 Toyota Celica GT 1.8L Stall, Misfire VIN: JTDDR32TOY Thanks for the replies. We scoped cam/crank and they were fine. Then we watched what the coils were doing on our modis scanner and noticed spikes in the waveform on #3 and #4. Replaced the those two coils and problem solved. Trouble codes: P0340, P1300, P1305, P1310, P1315.	12
	2007 Toyota Avalon XLS 3.5L Suspension? VIN: 4T1BK36B37 FINALLY GOT A HOLD OF SOME CHASSIS EARS. ISOLATED NOISE TO THE RIGHT FRONT. SWAPPED STRUT AND KNUCKLE ASSEMBLY FROM ANOTHER AVALON AND TEST DROVE; NOISE GONE. REPLACED KNUCKLE AND WHEEL BEARING FOR THE R/F. TEST DROVE; NOISE ELIMINATE. MY GUESS IS THAT THE KN...	10
	2005 Volvo S40 i 2.4L MIL Lamp on VIN: YV1MS39065 At least for now the vehicle is fixed. We have put over a [...] on the car after cleaning the ECM and CEM connectors and pins. There was no sign of dirt or other corrosion when cleaning, but it seems to have gotten rid of my problem. Thanks for the respo...	4

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