Automotive Technicians Technical Discussion and Fixes for Aug 13, 2013

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	Help Request	Answers
	2006 BMW X5 4.4i 4.4L ac compressor VIN: 5UXFB5306L Need help from bimmer gurus; on this X5 the ac compressor won't come on. hooked up gauges and have about 110 psi on both sides with system @ rest.like that the compressor would not come on by itself, so we drained some of the charge out and the compressor kick...	View
	2008 BMW 650i 4.8L MIL Lamp on VIN: WBAEB53548 Hello all. On this very clean 650, I replaced valve cover gaskets and timing covers for minor oil leak. I did not scan before starting the job. Car sets hard code for timing being off one tooth. Removed valve cover on passenger side and checked timing. Spot on... Trouble codes: 2A90, P0017 (Exhaust camshaft tooth offset to crankshaft)	View
	2008 BMW 335i 3.0L lacks power VIN: WBAWB73548 Need some advise, I have two codes, the first is 30be injector impausl., I think one or more injectors could be an issue on bank two, but the car never shows a missfire. When the 30be setsunder hard accel, it also sets the 30ff low boost code. Both codes occu... Trouble codes: 30FF, 30BE	View
	2003 Chevrolet S10 4.3L Misfire VIN: 1GCCT19XX3 Counts miss fires on cylinder 4 in park from 2000-2500 rpm. Runs perfectly smooth. Unplug MAF or MAP and miss goes away. Trouble codes: P0300	View
	2007 Chevrolet Silverado 1500 LT 4.8L locks gauge stability VIN: 2GCEK13C17 very intermittent problem, driving door locks start cycling service stability message lights up gauges fluctuate loses power sometimes, sometimes windows wont work, only codes that will set are in EBCM code c0161 brake light ciruit, u0073 bus communication, re...	View
	2007 Chevrolet Silverado 3500 Classic LS 6.6L Neutrals in Rev or Drive VIN: 1GCHK33D17 We have put in a new range sensor the pressure sensor assembly and a new computer and reflashed it. I have gone pin to pin at the TCM and watched each input and output. I have monitored the ign switch and batt wires at the TCM and they are good. I did notice w...	View
	2008 Chrysler PT Cruiser LX 2.4L Eng Temp VIN: 3A8FY48B88 Good day fellow tech, I have a 2008 Chrysler PT Cruiser with 2.4 non turbo engine that is giving us a problem. It overheats after extended idle with or without A/C on. It's more prone to do this in the heat of the day. It seems to cool back down at normal driv...	View
	2005 Dodge Grand Caravan SE 3.3L coolant VIN: 1D4GP24R05 This van's cooling system is baffling us. Over the past two years we have replaced two rads due to leaks, two water-outlet housings which corroded completely, oil cooler which leaked and three thermostats which corroded away. We have used a rad cleaner and flu...	View
	2006 Dodge Magnum R/T 5.7L Hesitation, Cuts out, Stall, MIL Lamp on VIN: 2D4GV57236 This is a tough one. The symptoms are intermittent stall, foot off of throttle, intermittent ETC lamp, Intermittent loss of throttle response, intermittent BAS/ESP lamps on, intermittent SRS lamp on and intermittent all HVAC inoperative. Nearly always starts r... Trouble codes: P0700, U0100, P (many codes stored in nine modules intermittent and random)	View
	2010 Dodge Grand Caravan SXT 3.8L c0077 VIN: 2D4RN5D18A Has anyone run into this problem? Any ideas? Next two steps we can see Try to access a TPM-RKE Analyzer 9936 (our usual dealer will not loan it) Replace the WIN module (which is on national back-order) Thanks in advance Keith	View
	1989 Ford Mustang GT 5.0L Cruise Control VIN: 1FABP42E4K am having problems getting my cruise to work. I am using a 89 Mustang shop manual and this is what I have found: ) ) I tested the control switches and I get 12 volts when I depress and hold the on switch. When I release the on switch it drops to 7.7 volts whic...	View
	1995 Ford Ranger Splash 3.0L Poor Idle Quality, Hesitation, Stall VIN: 1FTCR10U3S Problem child... No matter cold or hot sometimes idle goes low, loses power, up to stall. Will allways restart normally and work well after restarting. Problem will repeat just after some time. Not easy to repeat. Fuel pressure will not drop when problem oc...	View
	1996 Ford Mustang GT 4.6L Oil Pan VIN: 1FALP42X6T My tech did a timing chain, cylinder head on this Mustang. Alldata gives a procedure to pull the pan to replace the pan gasket, but we can't seem to be able to get the engine high enough to have the oil pan clear the transmission. Alldata says to remove the tr...	View
	1996 Ford E-350 Econoline Club Wagon XLT 5.8L reverse VIN: 1FBJS31H5T Vehicle was brought in for transmission problem. Found that all gears are forward gears. The transmission feels it engages into each gear as far as the shifter is concerned, however when you give it gas it goes forward in every gear. Reverse = forward, Neutral...	View
	1999 Ford F-350 Super Duty Lariat 7.3L No Start, Poor Idle Quality, Hesitation, Cuts out, Stall, Misfire VIN: 1FTWW32F0X Vehicle towed in. Stalled on highway would not restart. Went out vehicle fired right up. Scanned for DTC's only code present was P0340 Cam Sensor Circuit. Replaced Cam Sensor inspected harness. Vehicle started drop around city block no power, rough idle, loud ... Trouble codes: P0340	View
	2004 Ford Focus ZX3 2.0L Poor Idle Quality, Hesitation, Cuts out, Will not accelerate VIN: 3FAFP31334 A customer recently bought this car. He said it lacked power when he bought it. Now, within a month of buying it it will not accelerate at all. It will slowly rev up in neutral, but will not accept any fuel in gear. I have so far replaced the MAF, TPS, ignitio...	View
	2006 Ford F-150 XLT 4.6L No Start VIN: 1FTRX02W86 Vehicle was towed in for no start upon inspection we found injector pulse and spark but no fuel pressure check power going to fuel pump had voltage so we replaced fuel pump and we still had no fuel pressure upon further inspection we checked power again at pum... Trouble codes: P1233	View
	2011 Ford Fusion SE 2.5L Temp Blend Actuator VIN: 3FAHP0HA9B Thanks for any help you can give me on this one folks. Got dumped in my lap after a previous tech worked on it but now he works somewhere else. I was told it had the same symptoms previously and he put an evaporator temp sensor in it 2 months ago and car worke...	View
	1992 GMC C2500 Sierra SLE 5.7L aldl VIN: 2GTGC29K7N hello all having issues with communication have tried two scantools no comm, have tested wires from aldl to pcm all are good except one that goes to the trans then splices and goes to pcm for tcc driver? unplugged the harness at trans still no comm. could that...	View
	2003 GMC Sierra 1500 HD SLE 6.0L Drive-axles VIN: 1GTGK13U13 Looking for some 4wd expertise. This truck sounds normal when driving in 2wd. After putting it in 4wd it will intermitanly make a noise that sounds like a stick in the spokes of a bicycle. Noise goes with speed of the truck. Goes away when put back in 2wd. Whe...	View
	2008 Honda Accord EX 2.4L Rear tire wear VIN: 1HGCP26858 2008 Honda Accord with very bad rear tire wear. Both rear tires are cupped badly on inside. Has had recent alignment and it is in speck. Rear struts/suspension checks good. At first thought I would say replace the rear struts since alignment was in spec, but I...	View
	2007 Hummer H3 3.7L Hesitation VIN: 5GTDN13E47 truck has hesitation on acceleration. not as bad while cruise is on. has new plugs. stick on this one any help would be greatly appreciated Trouble codes: P0300	View
	2004 Hyundai Santa Fe GLS 3.5L Power steering VIN: KM8SC73E34 Hello and I'm at my whits end. We have a Santa Fe that will loose all power steering. The story; Replace steering rack (reman)due to a leak two months ago, job went fine. Last week customer went to pass a truck and the power steering went out. We looked at it ...	View
	2005 Hyundai Accent GLS 1.6L loss of power VIN: KMHCG35CX5 this car is driven by a mail lady, she beats it. stop go full throttle. after a hour or so of doing this its looses power. power is reduced aqlot. normally you can smoke the tires. after stop and go it will barley take off. was you're going no problem. no code...	View
	2004 Isuzu NPR-HD 6.0L Starting VIN: 4KLB4B1U74 Vehicle does not crank. Evaluated wiring schematic for both power distribution and starter circuit. Found lack of ground signal from PCM to Starter Relay. Wiring from ground starter relay to PCM is good. If we ground the ground wire (yellow wire) between the P...	View
	1997 Jeep Grand Cherokee Laredo 4.0L fuel gauge VIN: 1J4FX58S9V Replaced original fuel pump assembly due to a bad regulator. ever since, fuel gauge has slowly quit working. Now, after an o.e. fuel pump, the gauge comes up to a quarter of a tank then drops to empty. One time the needle swept to full then to empty. Tried a p...	View
	2005 Jeep Liberty Sport 2.8L MIL Lamp on, Lack of power VIN: 1J4GL485X5 We tested the wiring to the solenoid and the ecm wiring is good, solenoid resistance is 3.5 ohms but i could not find any specs info i really apreciate your help thanks Trouble codes: P0090 (Fuel quantity solenoid circuit open)	View
	2008 Mazda RX-8 Touring 1.3L No Start VIN: JM1FE17308 Hello guys and gal, i have had a 2008 mazda rx-8 towed in from the highway, where it had died and would not restart. cranking,the veh. has no compression, scanned pcm and have a p0503,code,intake ruuner control concern. problem is, i have alldata,which has lit... Trouble codes: P0503 (Intake runner concern)	View
	1998 Mercedes-Benz CLK320 3.2L No Start VIN: WDBLJ65G2W This car will not start or is very difficult to start after sitting overnight. If it starts it will run on a few cylinders long enough to set missfire codes and will finally clear up after 2 or 3 minutes. Then you can clear the code and it starts and runs grea...	View
	2003 Mercedes-Benz C240 2.6L no low psi siginal VIN: WDBRF61J33 Hey all happy Monday in benz land (yea right)Thank you all in advance for any and all help offered!!! A/C inop 1)evac and recharge 1.7 spec pulled out 1.2lbs charged at 1.7 lbs still no ac 2)pulled codes B1205 system low psi 3)installed factory low psi ...	View
	2006 Mini Cooper 1.6L Unknown VIN: WMWRC33596 this vehicle arrived w/ a check eng light; code revealed is p113c. another scanner reads 113c (Alltel) and modis reads 113c. Does anone know what this code is? The car runs and drives fine. There is no info on this car anywhere... HELP! thanks everyone...Larry	View
	1999 Nissan Maxima GLE 3.0L no start VIN: JN1CA21D8X friend of mine has Nissan maxima ran out of fuel on freeway. towed to shop shop said after crank many times security system armed, crank ok no start.hard to believe is this true or false.try with both keys. shop said need need to go dealer.	View
	2001 Nissan Altima GXE 2.4L engine stall and early shift cold VIN: 1N4DL01D81 After starting the vehicle if put in gear after 3 seconds it stalls if cool enough (under 70 deg f) if warmed up slightly to 85 deg or so it will shift threw all gears and lock up tcc before 20mph. Kinda lost on this one any suggestions would help thanks.	View
	2002 Nissan Quest SE 3.3L MIL Lamp on VIN: 4N2ZN16TX2 2002 Nissan Quest Faults P0138/ P0139. O2 Sensor Bank 1 Sensor 2. Replace 226A0-7B503 Oxygen Sensor OE and OE 22680-7B001 Air Mass Sensor. No vacuum leak,all ignition system fine.Clear all faults drove the car for few days and after 300 miles same fault came b... Trouble codes: P0138 (Slow Response bank 1 Sensor 2), P0139 (High Voltage bank 1 Sensor 2)	View
	1996 Saturn SW2 1.9L Rear brakes VIN: 1G8ZK8274T Hey all, I recently replaced the rear brake shoes on this Saturn, cleaned and greased all contact & pivot points on backing plate, parking brake and shoes. Test drove the car with no problems, everything felt great. Customer called 2 weeks later with complaint...	View
	2000 Subaru Outback 2.5L Power Loss VIN: 4S3BH665XY The car is from Illinois. The car runs great and shifts properly while in our area. No codes present. The student took the car to Colorado and while driving on highway at high altitudes, in the mountains, car wouldn't go over 30MPH.	View
	2002 Subaru Impreza WRX 2.0L Engine VIN: JF1GD29642 I am hoping for some help from someone that knows more about Subaru engines than I do. This car came to us not running and part of the way disassembled. Customer brought a new 2.5l short block in the crate still from the dealer. The original engine was a 2.0 t...	View
	2011 Toyota Camry SE 2.5L compressor VIN: 4T4BF3EK7B after repair a/c the same , unplug ac amplifier ac works until key cycled or turned off will not blow cold again until unpluging amplifier	View

Fixes & Summaries for All Makes and Models

	Fix/Summary	Answers
	2000 Buick LeSabre Custom 3.8L Starter VIN: 1G4HP54K9Y Ok, I believe Joseph nailed this one. The suspect key was used in cloning the new key. We took the Valet key back to the store and they learned the new key off that one. So far it will not act up so I believe this one is fixed! Thank you all for the help!	6
	2001 Cadillac Seville STS 4.6L MIL Lamp on VIN: 1G6KY54991 I’ve received nine responses to my request. Most responses recommended replacement of the remaining air control valve on bank 2. I learned from playing with this vehicle, just how the air valves operate. When the correct conditions are met, the ECM activates t... Trouble codes: P1415 (AIR system bank 1), P0420 (cat efficiency bank 1).	10
	2000 Chevrolet Suburban 2500 6.0L No Start VIN: 3GCGK26U6Y Thanks for the replies. Customer decided to run on the main tank for now and worry about the other tank/sender later (the truck also just developed the dreaded transfer case rub-through fluid leak). Hopefully I will have the opportunity to try your suggestions...	9
	2002 Chevrolet Silverado 2500 HD 6.6L MIL Lamp on VIN: 1GCHC23142 Oh boy, this one is fixed. The lack of rail pressure demand was due to bad injection pump not putting out enough pressure. The P0101 was due to no vacuum supply to EGR solenoids from bad vacuum pump and EGR would not hold vacuum. This beung learned after I tho... Trouble codes: P1093, P0101.	10
	2003 Chevrolet Monte Carlo LS 3.4L Start VIN: 2G1WW12E93 Replaced Passlock case only. Did 30 minute relearn and car is fixed. Thanks for the input.	3
	2003 Chevrolet Malibu LS 3.1L Hesitation, Surge, Poor Fuel Economy, lack of power VIN: 1G1NE52JX3 good evening all and thank you for the replies. first off let me say that we smoked and checked with carb cleaner and found no vacum leaks, int or ext. What i did see is that the knock sensor was really retarding the timing when the problem would accure. If I ... Trouble codes: P0300.	13
	2005 Chevrolet Corvette 6.0L drive shaft VIN: 1G1YY24U05 The customer has declined any further service to the vehicle at this time. Thanks to all that replied.	5
	2007 Chevrolet Tahoe LTZ 5.3L Calipers VIN: 1GNFK13047 Well, thanks to everyone who replied. We checked the depth of the pushrod with a depth micrometer. Everything lined up. Tried unplugging the ABS, no help. Checked to make sure all pistons on calipers were moving. All good. Checked pad and rotor specs. A...	28
	2006 Chrysler 300 C 5.7L No Start, MIL Lamp on VIN: 2C3KA63H66 Thanks to all who replied after getting permission from the owne to open up the engine we found that the oil pump went and the car over heated from the freez fram information to 338 degrees the timing was ok but there was zero compression on all cylinders so t... Trouble codes: P0520 (engine oil pressuer sensor circuit low), P0522 (Same as above), P2172 (high ari flow vacuum leak), P0117 (engine coolant temp sensor low).	8
	2003 Dodge Grand Caravan Sport 3.3L Misfire VIN: 2D4GP443X3 Thank you all for the responses! I have 14.3 ohms on the resistor, so based on the values "ya'll" gave me, it looks like all I need is a PCM and program it! Thanks again! Trouble codes: P0206.	8
	2007 Dodge Ram 2500 Laramie 6.7L No Start I would like to thank the four techs that replied to my post. The actual cause of the no-start, was as I suspected, totally clogged turbo and EGR system. I just found it difficult to believe the amount of clogging and sludge in the system. Once the inlet to... Trouble codes: P1451 (DPF filter), P0505 (Idle control).	4
	1998 Ford F-150 Lariat 5.4L Poor Idle Quality VIN: 1FTRX08L6W Well im going to call this a fix even though im not totally satisfied. The crazy bank one jump went away by itself this morning and I honestly didnt do anything to cure it. Now I was stuck with a rh bank at 1 percent and a lh bank at 19 percent adding fuel but... Trouble codes: P0136, P0156, P0171, P0174, P1131, P1151.	11
	2003 Ford Ranger Edge 3.0L Cuts out, Misfire VIN: 1FTYR44UX3 most posts listed coil problems, coil was replaced and wires twice before truck came to me. this is not a miss type problem but complete shutdown for a split second. we did discover that while the truck was in open loop the problem was greatly reduced. I could...	14
	2006 Ford F-250 Super Duty XLT 6.0L No Start VIN: 1FTSW21P06 Thanks to all for the prompt, thorough response. I learned a lot about this system and how to test it and what to watch for. The most common, easiest leaks to repair are the dummy plugs towards the front of the oil rail under each valve cover. The right side p... Trouble codes: P2291 (ICP Too Low- Engine Cranking), P0401 (EGR Insufficient Flow Detected).	17
	2009 Ford Escape Limited Hybrid 2.5L Motor Electr VIN: 1FMCU59349 Thanks to the advice of all involved, this one is fixed. It was indeed the aux coolant pump. Much appreciation for all the input!	10
	2011 Ford F-150 FX4 3.5L air bag system HELLO TO EVERY ONE . FORD IS BACK ON ROAD !! I SCANED AIR BAG MODULE , AND GO COMMUNICATION WITH IT . REMOVE AND SEND MODULE TO SOME GUY THAT REPROGRAMED IT. INSTALL MODULE INTO CAR ALL IS WORKING OK. THANKS TO ALL OF YOU I FIX CAR .	9
	2007 GMC Sierra 1500 SLT 5.3L Accessories VIN: 2GTEK19J97 hey guys thanks for the replies i found the wiring harness rubbing on front shaft repaired harness all good	8
	2006 Honda Pilot EX 3.5L alarm VIN: 2HKYF18406 I could not find a problem with alarm and the customer could not leave truck.. we ended up calling Honda dealership and they said we need to try and do a door relearn. The way you would do the relearn is to open drivers door, put key in ignition and turn to ac...	6
	2008 Honda Odyssey EX-L 3.5L Tpms VIN: 5FNRL38738 Thank you for all of the replies and assistance. Derreck came through with what ultimately allowed me to fix this van. It seems the the OE TRW sensors can be finicky and that on some the only way to wake them up is with specific bartec and ateq tpms tools. ...	7
	2000 Hyundai Elantra GLS 2.0L Cuts out, Stall, MIL Lamp on VIN: KMHJF35F4Y Thanxxx Guys for u r Imput on this Vehicle after!!!doing all the test and dbl Ck Every thing after a Customer mess Come found tha the Customer Install old Computer back But dint Install D 3 Wires Ground wires tha coming From d computer..Wires was just seating ... Trouble codes: P1631.	11
	2006 Kia Sedona LX 3.8L Possibly axle VIN: KNDMB23366 Thanks for the replies there is a jack shaft axle on this van on the passenger side and found a small amount of play in the jack shaft axle connection to the service axle after replacing it the vibration has gone away	6
	2001 Lexus IS300 3.0L A/C And Heating VIN: JTHBD18241 Well, I want to thank the 3 people that tried to help me but I had to send this one to the dealer. I tested every sensor in the system to the spec's I found in a couple of TSB's on the subject. All tested fine and like I said in my help request I replaced the ...	3
	2003 Lincoln Aviator 4.6L Noise VIN: 5LMEU78H13 Thanks very much for all your opinions. Turns out they did replace the oil pump when the chains broke. I talked the owner into a reman engine and is going in this week. Thanks again!!	21
	1997 Nissan Pathfinder LE 3.3L Excessive Emissions VIN: JN8AR05Y7V I WOULD LIKE TO THANK ALL WHO OFFERED UP HELP. WE CHANGED THE T-STAT LIKE WAS STATED AND A WEAK O 2 AND IT FLEW THROUGH EMISH. WITH OUT A PROBLEM THANK YOU ALL AGAIN	6
	1998 Oldsmobile Aurora 4.0L dash lights VIN: 1G3GR62C0W Success! Dan from Wisconsin was correct. The dash, heater, and radio lights were the only ones affected. This led directly to the left side dimmer module. We replaced the module and the lights all work properly now. Much thanks to all who offered help. Ron	6
	2000 Plymouth Breeze 2.4L inst. cluster VIN: 1P3EJ46X0Y Sorry for not closing sooner but , i took vehicle to the dealer they had it for 2 weeks and can not fix it . So i have it back i'll post a close if i get it fixed thanks for all the help...	8
	2006 Pontiac G6 GT 3.5L No Start VIN: 1G2ZH15806 Cust took the car, we haven't heard back yet. I know a scan tool guru, who sees everything, and he has seen more than one GM with a mystery no start where the shop did a BCM and the problem was still there. A tip from him was that the power wire from the under... Trouble codes: U7300 (PCM Communications lost), U2105 (BCM/VTD lost comm to PCM).	8
	2006 Saab 9-3 Aero 2.8L starter VIN: YS3FH46U86 thanks for the help using tech 2 i was able to scan the read/ reset bus configuration and found only cim and icm were on the p-bus. checking the wire diagram in wis looks like the esp/tcs is bringing down the p-bus.replaced with a used one and problem has not ...	2
	2005 Subaru Legacy GT Limited 2.5L Mechanical VIN: 4S3BL67625 Well we havent fixed it but advised the customer and he is going to trade it in. Hes tired of fixing it. I think it is a broken piston. The noise stays the same when it is hot. I wish we could have torn it down to see for sure. Thanks for all of the help!!!	7
	2000 Volvo S70 2.4L Compressor VIN: YV1LS61J1Y Gentlemen, first a sincere thank you to everyone who responded. I am 60 years old, have been at this a long time, still it seems everyday I learn something new. This car belongs to a friend who is in the residential HVAC business. He gets me parts for my hea...	13
	2001 Volvo S60 2.4T 2.4L battery discharged VIN: YV1RS53DX1 client declined any further diags on battery drain and clicking sound in passenger door at this time. Vehicle has other issues with worn/bad suspension parts which I think are more important at this point. So they went home with their list of work needed. I Wi...	9

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