Automotive Technicians Technical Discussion and Fixes for Sep 9, 2013

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	Help Request	Answers
	2008 BMW 328xi 3.0L MIL Lamp on VIN: WBAVC93538 hi group this i work at a toyota dealer we have this used bmw with 3 p0174, p0171' p1415 codes cannot find a vacuum leak or tore intake boot thanks for any help Trouble codes: P0174, P0171, P1415	View
	2004 Buick LeSabre Custom 3.8L Starter VIN: 1G4HP54K74 Hoping that someone can point me in the right direction. Car was brought in from a local used car dealer after he picked up at the auction. Claims that the car would start with a jump when he bought it. After removing the battery and having it tested (tests go...	View
	2000 Cadillac Seville STS 4.6L Starting VIN: 1G6KY5492Y Thanks for looking at this request. The owner of the car states that before bringing the car in, when turning the ignition switch on and going to full crank position, it started right away. Now, when you go to full crank right away, there is no crank at all. A...	View
	2006 Cadillac SRX 4.6L MIL Lamp on VIN: 1GYEE63A86 Perform fuel pressure test pass. Found no vacum leaks. No running concerns noticed, running good. Only problem found at this time is baro readins out of range. At this altitude of 2400 ft baro should be 27 t0 28 {inhg} live data currently is 22.4 {inhg} replac... Trouble codes: P0171 (Lean bank 1), P0174 (Lean bank 2)	View
	1995 Chevrolet S10 LS 4.3L ABS Light VIN: 1GCDT19Z0S Cannot communicate with vehicle control module in ABS Area engine data fine Larry	View
	1996 Chevrolet Blazer 4.3L Misfire VIN: 1GNDT13W1T This vehicle runs perfect, most of the time. Only acts up after sitting all night. Once fully warmed up and driven for approx. 20 min all symptoms go away. No symptoms after sitting all day, has to be overnight. All fluids full, nothing leaking into the combus...	View
	2002 Chevrolet Tracker 2.0L timing chain VIN: 2CNBJ18C02 This Suzuki Vitara/Chevy Tracker was towed to our shop 500 miles ago for a failed upper dohc timing chain. The upper chain was snapped and counter sprocket that connects the upper & lower timing chains had exploded. The cylinder head was removed to replace two...	View
	2007 Chevrolet Impala LS 3.5L pcm/bcm VIN: 2G1WB58K57 Hello GM techs,well I have a good one here. This car drove in to our shop with the complaint of not shutting off along with the wipers also not shutting off. The owner thinks that it may have been stuck by lightning because when he was visiting his son in Ft. ...	View
	2009 Chevrolet HHR LT 2.4L po449 VIN: 3GNCA53V69 i have this hhr here with a code of po449 i replaced the vent valve and harness with gm parts fuse is good and have 12 volts on red wire to vavle but nothing on the white wire, im a nissan tech and cant find a wire diagram on this sysyem any info would be grea...	View
	1996 Dodge Ram 2500 8.0L oil pressure VIN: 3B7KF23W9T This truck is having low oil pressure at idle, about 5 PSI. When raising RPM, pressure comes up quickly to regulated pressure(50 PSI),pressure rise from there is slow. At regulated pressure by 1,200 RPM. What I can see through oil fill cap looks clean and oil ...	View
	2002 Dodge Ram 3500 5.9L Hesitation, Misfire, MIL Lamp on VIN: 2B7LB31Z92 Customer brought vehicle in with poor power and check engine light flashing. Found codes listed above. Somebody has done a tune up recently. Fuel pressure is around 45 psi and is steady, does not more when under load or idle. After driving van 3-5 minutes it o... Trouble codes: P0300 (Engine Missfire), P0301 (Cyl. 1 Missfire), P0304 (Cyl. 4 Missfire), P0306 (Cyl. 6 Missfire), P0307 (Cyl. 7 Missfire), P0748 (Trans. Control A Fault)	View
	2004 Dodge Ram 3500 SLT 5.9L Hesitation VIN: 327MU48C34 used drb3 to make relay click found no circuit dicription in shop key. no location on circuit or where the valve is located? Trouble codes: P0477	View
	2007 Dodge Ram 2500 ST 5.9L Hesitation, MIL Lamp on VIN: 3D7KR28C27 Have replaced all above items, tubes have been torqued in, truck still loses power on acceleration. Keeps setting P0148. Any of you Cummins techs out there have any other suggestions? Trouble codes: P0148 (No power under acceleration)	View
	2007 Dodge Ram 1500 TRX4 5.7L Unknown VIN: 1D7HU18277 hi teem I have this 07 dodge trk. that needs a power steering pump customer took it to the dealer and they wanted about a gran to r&r it.i also checked with the dealer and they told me I would have to upgrade to a new style pump which was around six hundred do...	View
	1994 Ford Ranger STX 4.0L transmission VIN: 1FTCR14X6R Hello iATN. First off I'd like to thank all who offer insight. I have this Ford Ranger that came in, starts and runs good until you shift it into gear. Reverse, stalls. Drive, stalls. Drive train rolls ok. I cant disconect the torque converter, not enough room...	View
	2002 Ford Ranger XL 2.3L No Start VIN: 1FTYR10D42 Hello everyone and thanks for the help on this one that is my vehicle. The vehicle had a bad PCM and thought I would just get one off of EBay with the same part number but silly me did not ponder the fact that the THEFT system would need a reprogramming to wor...	View
	2004 Ford F-150 XL 5.4L only 1st, 2nd gear VIN: 1FTVX14584 Hey guys. I'm not a transmission guy. Usually when I find trans problems, I just install a reman. This one is a little unusual though so I just want to get some feedback to make sure there's nothing I can do in the vehicle to repair it. The transmission is a 4...	View
	1997 GMC C6500 Topkick C6H042 6.6L blower motor VIN: 1GDJ7H1J1V Blower motor stops working after running approximately 15 minutes. When it stops I still have 12 volts at blower motor conector on blower motor and the ground is good. I tried disconecting the battery to reset control head but problem is still present. Questio...	View
	1996 Honda Accord LX 2.2L No Start VIN: 1HGCD5530T This Accord came in as a no start. Had spark but no injector pulse. Power to injectors but no ground. Tried known good main relay with no change. Replaced distributor and now car will start intermittently. Discovered that I could hold my hand on the relay and ...	View
	1997 Honda Odyssey LX 2.2L Surge, Stall, Poor Fuel Economy VIN: JHMRA1863V Problem started shortly after we replaced distributor. On cold starts vehicle would run rough and sometimes stall, has a surge in idle, mostly noticed when stopped in gear. Found fuel trims were running -8 to -15. Found crankcase over full, had gas in oil. cha...	View
	1999 Honda Civic EX 1.6L No Start VIN: 1HGEJ8148X Group I hope a Honda expert can help me. I am having hell with trying to diagnose a hot no start. Vehicle if driven around for 30 minutes or so will not start on cranking after it sits for 15 -20 minutes. I have verified it is getting fuel and it has no spark ...	View
	2000 Honda Accord EX 3.0L Stall VIN: 1HGCG2255Y This car came to us for stalling at anytime,going down the road or at idle and refires immediately. Someone put in a PGM-FI relay but did not install it on the bracket so I did. Tune up looks fine and car sets no codes after stalling. I have had distributors f...	View
	2002 Honda Accord EX 2.3L Gear indicator lights VIN: 1HGCG66882 Hi guys, 02 Accord, trans failed and we replaced with a reman unit. All was fine for about 600 miles until D4 indicator in cluster quit working. Never comes on, not even at bulb check at start up. Figured bulb was out, replaced with no luck. Can't seem to find...	View
	2005 Honda Accord LX 2.4L transmission VIN: 1HGCM56445 this car got a p0122 code and a problem whit the shifter .the car came whit a p0122 code and customer tell me that i have to put the key in the shifter slot to be able to shift from park.i first cleaned the throttle body for carbon (ther was a lot of carbon)af...	View
	1995 Jeep Grand Cherokee Laredo 4.0L Rear Brake Pads VIN: 1J4GZ58S1S OK...scratching my head and rubbing my chin here trying to figure this one out. Vehicle came in for annual State Safety inspection and I noticed that all of the rear brake lines were seeping brake fluid from excessive rust...a failure in the state of Pennsylva...	View
	2008 Jeep Wrangler X 3.8L starter VIN: 1J4FA24178 vehicle came in for intermittant no start. when issue occurs there is no power to starter relay and starter only "coughs" for a split second and then nothing. we pinned the wire for neutral safety switch while it was acting up and it sends ground signal to pcm...	View
	2010 Jeep Wrangler Sport 3.8L horn VIN: 1J4AA2D16A -On this vehicle the horn sounds (very briefly, a split second) when either of the doors or tailgate are opened. It seems to be directly correlated to the interior light coming on. This is a base model Wrangler so there is no electric door locks, no key fab no...	View
	2004 Land Rover Range Rover HSE 4.4L MIL Lamp on VIN: SALME11484 Hi every one i have this range rover w/the 4.4 engine and this 2 code came out i check the solenoids and both are clicking when activaiting, i connected the lapscop to both cam sensor and crank sensor have good signals and the synch look ok to me but i dont ha... Trouble codes: 33 (VANOS actuator bank 1.), 34 (VANOS actuator bank 2.)	View
	2001 Lexus LS430 4.3L Poor Idle Quality, MIL Lamp on VIN: JTHBN30F31 Thank you for taking to time to review this post. Any help would be greatly appreciated. Hoping a Lexus tech can give me some insight. Vehicle will not pass emission test due to mil and code P1349 (bank 1 VVT system malfunction). VVT system is functioning norm... Trouble codes: P1349 (VVT system malfunction bank1)	View
	2002 Lexus SC430 4.3L Misfire, MIL Lamp on, Sever Lack of Power VIN: JTHFN48Y32 Ok guys, here's one for you. Customer calls up and asks for a Trans Flush and P/S Flush, we ask why he's asking for them and he says the dealer recommended them. We set the guy an appointment and he brought the car in. He drops the car off and says "Hey, by t... Trouble codes: P0300	View
	1993 Lincoln Town Car Jack Nicklaus 4.6L No Start VIN: 1LNLM82W4P While driving the vehicle would shut off and restart just as if you turned the key off and back on. Progressively got worse until it would die and not start or would not start after you drove it and shut it off.	View
	2003 Lincoln LS 3.0L Pressure Control Solenoids VIN: 1LNHM86S63 This ls slams into all gears , reverse , drive. Even when driving it slams into 2nd , 3rd with hard down shifts.removed clutch pack and checked ohms from pressure control solenoids pin3 to 1,4,11 all are within specs(3.3 - 7.5 ohms) and can hear an audible cli...	View
	1990 Mazda Miata 1.6L No Start VIN: JM1NA3519L We still have a intermittent no start. When it does not start there is no spark. We checked the wiring to the cas and found we had two 5 volt references until you start to crank it and then both disappear. One is battery voltage and one is ground. We scoped th...	View
	1981 Mercedes-Benz 300D 3.0L Misfire VIN: NDBAB30A7B Hello, thanks for the help, 300D engine miss hot. I am a diesel newbee, just picked up this car for myself. Unknown history but it has been run on biodiesel. This car will start easy and idle fairly well, but after it warms up, it misses, shakes pretty ba...	View
	1991 Mercedes-Benz 420SEL 4.2L power loss VIN: WDBCA35E9M Hey Guys, I have a 91 Mercedes 420 sel, am having issues with vehicle randomly surging while driving, almost like you lift off accelerator, if you push gas pedal, the fuel consumption gauge moves like you are flooring the gas, but the car doesn't respond, is ...	View
	1993 Mercedes-Benz 600SL 6.0L height control Hey there MB techs. thank you in advance for any technical help you can provide for me. I have a 1993 Mercedes 600SL that was towed in. it has been stored for 2 years. I got it started but, the rear suspension is bottomed out and almost on the ground. I lifted...	View
	2006 Mini Cooper S 1.6L Hesitation, MIL Lamp on VIN: WMWRE33506 Thanx for the help! Trouble codes: P0171 (System Lean B1)	View
	1999 Nissan Maxima GLE 3.0L Timing Chain VIN: JN1CA21D1X I posted before taking this one apart the first time asking if there was a pattern of failure. Based on the responses I got I chose to replace all 3 timing chains, all the gears, tensioners, guides and the water pump. Once apart I found that the gears, chains ...	View
	1998 Oldsmobile 88 Royale 3.8L Converter VIN: 1G3HN52K8W Car came in as a no start . Replaced fuel pump and car starts and runs.Go to road test vehicle and found under light throttle about 10-14 mph seems like torque converter locks up and kills engine. You can accelerate through this and trans will shift and go dow...	View
	2005 Saturn Ion-2 2.2L transmisiion VIN: EDF345EDC5 hi guys, wanted to know if anyone had this issue before i start to dig. when driving after running a while , the speedo will jump from actual speed to zero, then dash shows "pwr str" . trans stops shifting, speedo stays at zero for a while then may come back o...	View
	1999 Subaru Impreza Outback 2.2L No Start, Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, MIL Lamp on VIN: JF1GF4850X This car has been a nightmare for 6mo. Starts and stalls, codes were 0102, 0103, 0108, 0325. Found that with the maf disconnected car starts and runs fine, (cel is on of course) trace codes and told to replace maf ( replaced w/oe as well as aftermarket unit)al... Trouble codes: P0102 (Maf low), P0103 (Maf high), P0325 (Knock sensor), P0108 (testing and results)	View
	2002 Subaru Outback 2.5L Mechanical? VIN: 4S3DH67532 This vehicle worked fine, until the owner changed his ENGINE oil. He then started the car and put it in gear. The car will not move in either direction, no matter the RPM. When putting in gear, there is no expected RPM drop. There are no trans codes, and the o...	View
	2009 Subaru Legacy GT Limited 2.5L Engine VIN: 4S3BL676X9 This one has me at a loss. Several weeks back I replaced the short block in this car. I had my tech do most of the work but he forgot to pre-lube the cams. When we tried to start the car it didn't even rotate a full turn, it just locked. We pulled the timing c...	View
	2004 Volkswagen Beetle GLS 2.0L CAN Data VIN: 3VWCM21Y54 This car is from a trans shop. The cutomer said every once in a while he feels the trans not shift correctly. They tried to scan the trans computer and they could'nt. They were unable to scan any of the computers on this car. I tried scanning all computers wit...	View
	2006 Volkswagen Jetta TDI 1.9L No Start, Cuts out VIN: 3VWDT71K66 I have this car that will intermittently stop running. Might start in a few minutes. might take a day. I'm loosing the high speed can bus and it will just seem to go out and come back for no reason. I have it narrowed down to either steering column electronic ...	View
	2009 Volkswagen Jetta SE 2.5L lower oil filter housing VIN: 3VW1M71K09 Vehicle came in for an oil change at approximately 53,000. Lower filter housing was removed and new Purolator filter and gasket was installed. After 10 minutes, a small leak developed on the upper back side of the lower filter housing. The lower housing was re...	View
	2001 Volvo V70 X/C 2.4L Poor Idle Quality, Hesitation, Surge VIN: YV1SZ58D11 Vehicle Runs fine at every start and will only act up Stumble, Rev, Stall, like it is looking for its base idle so bad the headlights actually dim up and down at idle. This only happens after about 4-5 minutes of vehicle running. We have went through and check...	View
	2002 Volvo S40 1.9L Stall, MIL Lamp on VIN: YV1VS29502 When the car arrived here,it was very hard starting,like it was flooded with fuel.once it started,it smoothed out and idled normally.after sitting for awhile,it was tough starting again.i initially suspected a valve timing problem,but after getting those compr... Trouble codes: P0017 (Cam/crank correlation b1sensor2)	View

Fixes & Summaries for All Makes and Models

	Fix/Summary	Answers
	2007 Audi A4 Quattro 2.0L MIL Lamp on VIN: WAUDF78E37 We ended up replacing the tank. So far so good, no evap codes or "cap missing" messages. Im still getting the lean codes, but we are going to let it go and be sure the tank problem stays fixed before we move onto the lean issue. Trouble codes: P1093, P2177, P2279, P0455.	7
	2003 BMW 760Li 6.0L compressor VIN: WBAGN83483 Thanks to all who replied, this bmw now has cold a/c under all operating conditions. The fix was replacement of the condenser fan. I replaced the auc sensor also, but this sensor does not seem to affect a/c performance. Replacement did take care of the code th...	11
	2008 Chevrolet C5500 Kodiak C5V042 6.6L shutdown VIN: 1GDE5C39X8 TURN OFF THE EXCESSIVE IDLE AND INSTALLED NEW INJECTOR PUMP WAS STILL DIEING RANDOMLY. HAD TO BUY GAUGE FROM DEALER TO TEST	5
	2000 Dodge Ram 2500 5.9L engine VIN: 3B7KC26Z2Y Thanks to everyone for the helpful replies! Everyone that guessed ignition timing was correct! I timed the distributor on Friday and I guess I didn't have the distributor bolt tight enough and I think the engine kicked it out of time right as I tried to start ...	14
	2010 Dodge Charger R/T 5.7L Water Pump VIN: 2B3AA4CT1A Thanks for all the input. Loctite thread sealer and torque to spec seems to have done the trick. Thanks again.	10
	1996 Ford Bronco Eddie Bauer 5.8L Pressures VIN: 1FMEU15H0T Thank you for all the help. I fixed this vehicle by decressing the amount of refrigerant from 2lbs 6oz to 2lbs and replacing the fan clutch. The first fan clutch I installed was a dud. purchased another brand and installed. all my pressure came down. Most of t...	28
	2003 Ford Taurus SE 3.0L Heater Core VIN: 1FAFP53203 Wow thanks for the overwhelming number of responses. it seems that im not the only one who has had problems with these tauruses. the waterpump was fine. so i bit the bullet and pulled the dash to make sure i didnt overlook a broken blend door. the blend door...	47
	2004 Ford F-150 FX4 5.4L Hesitation, MIL Lamp on VIN: 1FTPX14544 It was definitely a PCM issue, since by removing the connector to the knock sensor I have nothing coming out of the PCM. My customer decided to take the issue to the dealer he purchased from. Thanks! Trouble codes: P0325 (Knock sensor 1 malfunction), P0330 (Knock sensor 2 malfunction).	7
	2001 GMC Sierra 3500 SL 8.1L No Start VIN: 3GDKC34G71 So i came in this morning and as i read the replies a few of you suggested to check fuel quality and spark plugs and sure enough i found water in fuel and fouled spark plugs. Put in new set of spark plugs, drain fuel and clean tanks, flush lines and install ne...	8
	2005 GMC Safari 4.3L No Start VIN: 1GKDM19X25 Ok, here is how it went down. My fluke was showing 12.5 volts on pin 19, (ignition 1) circuit via back probing the pcm connector.Tech2 was displaying 1.2 volts on the data stream. Well the 12.5 volts was back feeding out of the pcm, but no current behind it. T...	5
	1991 Jaguar XJ6 Sovereign 4.0L No Start VIN: SAJHY1746M You may have guessed that this is not one of my favorite vehicles to work on, it is however fixed because of you guys that suggested a distributor rotor being at fault. Thank you so much for responding to my request. The wires and cap looked great but the ro...	6
	2003 Mazda Protege5 2.0L Starting VIN: JM1BJ24603 Well it has been two weeks since the last visit by this customer, and we have not seen or heard from her. We are hoping that either the grounds we cleaned resolved the issue, or the loose connection to the starter fixed it. Thank you everyone for your replies...	5
	2007 Mini Cooper S 1.6L Unknown VIN: WMWMF73527 Oil pressure was 60+psi cold at the sender. We figured it out, using a diagram of the oiling system. The non-return check valve was stuck shut; not allowing oil to the vanos solenoid. A different passage branches off before the non-return check valve feeding t...	2
	2001 Mitsubishi Montero Sport XLS 3.0L Stall VIN: JA4LS31H31 I let the customer drive it for a while and let it idle at home for 30 minutes and all seemed to adjust and correct the idle. relearn took a little longer than I expected.	11
	2001 Toyota Tacoma DLX 3.4L Drivetrain VIN: 5TEWN72N31 FIRST & FOREMOST, THANKS TO EVERYONE WHO TOOK TIME TO OFFER HELP. I REMOVED THE DRIVE SHAFT SLIP YOKE, CLEANED OUT THE GREASE ON IT & THE SPLINED SHAFT. I LIGHTLY GREASED IT YET COULD NOT GET IT TO SLIP INTO THE COMPRESSED POSITION. I WENT AHEAD & DRILLED A SM...	12
	2002 Toyota Sequoia SR5 4.7L No Start VIN: 5TDZT34A62 Hello everyone and thanks for helping with this one. The fix was that someone had misrouted the wiring harness down the front of the engine to the crank sensor. They obviously had it wear through on the belt and did a repair and taped it up so it did not l... Trouble codes: P0335 (Crankposition sensor signal).	6

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