Automotive Technicians Technical Discussion and Fixes for Jul 10, 2012

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	Help Request	Answers
	2005 Audi A4 3.0L fueltank fill VIN: WAUVT68E15 Hello group,2005 Audi A4 Wagon v6 can not fill tank.vehicle was purchased from dealer ship that we do inspection,customer complained that can not fill tank all the was,their own mechanic replaced evap canister new from dealer(talked to mechanic customer reques...	View
	2002 BMW 325i 2.5L MIL Lamp on VIN: WBAEV33442 Vehicle has a code 68 activation of solenoid valve tank ventilation that will not clear thanks russell Trouble codes: 245 (Flow rate secondary air system bank 1 too low), 246 (Flow rate secondary air system bank 2 too low), 68 (Activation of solenoid valve tank ventilation)	View
	2005 BMW 545i 4.4L compressor VIN: WBANB33545 Hello can any one tell me what code for heating and ac system 9c7c refrigerant compressor ck valve is? Then how do I know if I have a broblem with networking or wiriing or component. I have this code from Launch and Snapon Verus, seems to be no help this is a ...	View
	1993 Cadillac DeVille 4.9L No Start VIN: 1G6CD53B0P Morning to everyone. I am looking for some help on the above vehicle. Vehicle was towed in with a no start condition. Originally had no power/no crank due to loose connection @ battery. After fixing this - car will crank and fire for a split second and die - w... Trouble codes: 58 (Pass Key Fault)	View
	2000 Chevrolet Suburban 1500 LT 5.3L 2-3 Shift VIN: 3GNFK16T3Y This is my personal vehicle, i barely ever have time to look at it. I do not do a lot of trans work ( mostly r&r to send out). Ever since i drained and refilled transmission( for maintenance only) has started slipping on 2-3 upshift only when warm. Drove home ...	View
	2005 Chevrolet Equinox LT 3.4L battery VIN: 2CNDL73F75 battery is dead every morning. customer says cooling fan would come on at random when vehicle is off, even hours after shut off. never expirienced this, just dead battery in the morning every day. checked for draw all day for two days and nothing found above ....	View
	2007 Chevrolet Tahoe LTZ 5.3L master cylinder VIN: 1GNFK130X7 Completed manual brake flush, pedal goes to floor, completed automated bleed with scan tool and also rebleed twice, still goes to floor, feels like air in the system still but can't get rid of it. I have flushed tons of brakes like this with never a problem, s...	View
	2008 Chevrolet Silverado 2500 HD WT 6.6L Starting VIN: 1GCHK24678 I don't know if the code set has anything to do with the "no start". When trying to start this truck, there is no power to the starter relay from the ignition. Sometimes it will energize for a split second when you turn the key off and then try and start. I ha...	View
	2003 Chrysler Town & Country LXi 3.8L 8 VIN: 2C4GP54L43 cust brought me vehicle with intermittant no start/no crank condition. i was able to start the vehicle and take it for a test drive right of the bat. no real driveabilty concerns other than mil on p0725 displayed. after test drive i shut off and have not been ...	View
	1991 Dodge Dakota 5.2L Hesitation, Stall, Misfire VIN: 1B7GL23Y4M Ok Old timers, tyhis OBDI Dakota has and intermittent cruise drop out (like a missfire) now it occasionally stalls while sitting at a stops. This problem was happening when the truck was new ages ago. It started doingi again now 20 years latter, problem is, it...	View
	1997 Dodge B2500 5.2L MIL Lamp on VIN: 2B7HB21YGV This van is coming back from weeks ago, so my memory and notes may be fuzzy! This van requires a long crank and seems to be low on power. Classic bad fuel pump syptoms. But doesn't seem to run lean according to O2's and fuel trims are normal. Has no schrader s... Trouble codes: P1398 (Missfire Adaptive numerator at limit)	View
	1997 Dodge Neon 2.0L No Start VIN: 1B3ES27C9V Came in as crank no start - Fuel pressure = 50 psi - checked codes - found p0340 - cranked over with scanner attached - cam and crank value = no with a periodic yes on crank - sync is lost - replaced cam and crank sensor and replaced crank sensor pigtail (melt... Trouble codes: P0340	View
	2004 Dodge Durango SLT 4.7L aux coolant pump VIN: 1D4HD48N64 engine will reach 234 degrees when idling with air on. Batt for aux pump comes through hvac control head. My question is what powers aux pump. Is it on with A/C or is it temp controlled through pcm. Not a lot of info on this. Any help would be greatly apprecia...	View
	2000 Ford Focus ZX3 2.0L Cuts out, Stall VIN: 3FAFP3137Y Hi every one, any help is appreciated thank you. I got this car in on a hook. It always start but sometime is hesitates but is runs fine ether in park or nuetral, once you put it in rev. Or drive it stalls or cut off the motor. Also when i have the key on i ca... Trouble codes: P0320	View
	2000 Ford F-350 Super Duty Lariat 7.3L coolant tank VIN: 1FTSW31FXY We were wondering if the fuel or high pressure oil chambers in the heads, are cracked, allowing small amounts of high pressure fuel or oil to combine with the coolant/anfifreeze causing this foul smelling fluid? The fluid in the overflow tank is a cream/yell...	View
	2007 Ford F-350 Super Duty XL 6.0L Fuel VIN: 1FDWF37P47 I thought I knew 6.0 diesels but?? I'm stumped with this one. Truck was running fine after much work ( injectors, high pressure oil tubes, fuel filters and so on ) 12000 miles ago. Now this truck has developed a miss or accutually it cuts cylinders out 2 then ...	View
	2008 Ford Crown Victoria 4.6L rear wheels VIN: 2FAFP71V98 This car has me stumped, under hard braking the rear wheels lock up. You can hear the pump turn on when the wheels lock up but it doesnt release the rear wheels. The car goes into a slide untill you let off the brake. Scan tool shows good wheel speeds, fronts ...	View
	2010 Ford F-250 Super Duty Lariat 5.4L Intake VIN: 1FTSX2A59A Really stumped here. We removed the intake on this vehicle to access the firewall behind it for an aftermarket interior installation but now that we put it back on it makes a noise, I'm not sure of how to describe it, its not a whistle or something that sounds...	View
	1999 GMC Yukon Denali 5.7L No Start VIN: 1GKEK13R7X No start, no spark. Tried coil and cam sensor, no change. Replaced crank sensor with aftermarket part and engine started, ran good for two weeks and then quit again. Replaced crank sensor with Delco part, still won't start. Sometimes will throw one spark when ...	View
	2003 GMC Envoy XL SLE 4.2L Rear A/C VIN: 1GKET16S33 A/c blows cold out of front air but hot from the rear a/c. Full charge in system. Once briefly the rear blew cold but then quit again. Does the rear a/c system have a seperate blend door set-up in the rear? i am not familiar with the rear a/c set-up in this ve...	View
	2006 GMC Savana 3500 6.0L No power, runs poor VIN: 1GJHG39U36 After vehicle gets hot on long trip, when you pull of and idle when you start to accel, has no power, feels like it is running on 4 cyls and ac quits blowing cold air, turn off and wait a few minutes and all is fine Trouble codes: P0300 (Cyls 1357 in history only)	View
	2001 Honda Accord LX 2.3L Unknown VIN: JHMCG66531 hi guys i have this car giving me problem engine light on code for 02 sensor p1166 replaced both 02 sensor and the light comes right back on troubleshoot the ckt check all fuses check relay in kick panel ok check all wiring from 02 to pcm ok ohm out wire ok re...	View
	2001 Honda Civic EX 1.7L compresssor VIN: 1HGEM22931 I have a 2001 Civic with the AC clutch not being commanded on by the PCM. My questuion is what type of voltage should I see on the SEFMJ at the mutiplex to the ECM. This is term E10 on the multiplex unit and term E24 at the ECM. The specification from Alldata ...	View
	2001 Honda Accord LX 2.3L cylinder head VIN: 1HGCG55401 Overheat, Head is warped .008in. The big question... Can the head be resurfaced with that much warpage or does it need to be straitened? The cam still feels free but that could change with heat... will have pressure tested for cracks. The inside plastic ti...	View
	2002 Honda Civic EX 1.7L no immobilzer light VIN: 1HGES26772 Hello fellow techs, 2002 Honda Civic towed to our shop for no start, no injector pulse or spark, has good fuel pressure. Checked wave pattern on crank sensor and TDC sensor, they're good. Looked on dash and there is no green key immobilizer light lit while ke...	View
	2005 Honda Pilot EX 3.5L power steering VIN: 2HKYF18585 Thank you for your help on this one, The car originally came in for a complaint of a noise from what the customer thought was the water pump. We promptly made the appt. to do the timing belt and water pump since the car was over due for the timing belt by abou...	View
	2011 Hyundai Equus 4.6L Ride control VIN: KMHGH4JF1B This Equus came with a low front end and a verified leak at the right front air bag unit. The unit was replaced, the system leak tested ok, when calibrating the level sensors the factory TSB procedure requires the system to be filled with shop air and then the...	View
	2003 Jeep Grand Cherokee Laredo 4.0L Misfire, MIL Lamp on VIN: 1J4GW48S83 hey all, I have had this jeep in my bay for the last week or so. It has random misfires on most if not all of the holes. At an idle and around town it dosnt run bad at all. If the motor runs above 2500 rpm it will start counting misfires on all the holes.(mor... Trouble codes: P0300 (Random misfire), P0302 (Misfire cylinder 2), P0305 (Misfire cylinder 5), P0306 (Misfire cylinder 6)	View
	2006 Jeep Liberty Sport 2.8L Cuts out, MIL Lamp on VIN: 1J4GL485X6 Hello, This vehicle is now very consistently setting a code P0093 and going into limp mode. It will also set a P0101 at times if driven after it sets fuel pressure code and eventually it will set p1186 for inlet pressure. There are no ECM reflashes available,...	View
	2007 Kia Spectra SX 2.0L shifting VIN: KNAFE121X7 Hello techs, have this 2007 Kia Spectra with a strange problem, if you start the engine and turn the light switch on and put the trans in drive the car will be in neutral or reverse no matter what gear its in, turn lights off everything is normal, all gears op...	View
	2003 Land Rover Range Rover HSE 4.4L No Start VIN: SALMB11473 hello group, i have this 2003 range rover hse here that customer states he slammed the glovebox and it died while driving. now i ran it into the shop on fuel from the bg injection service tank. i have limited info on this thing and get mixed info on it having ...	View
	2005 Land Rover Range Rover HSE 4.4L mirror VIN: SALME11455 when you command mirrors to fold in (garage mode)one folds in when other folds out.if you press again the one that is in goes out and out goes to in. No codes in body module and data looks normal.where do I start with this? Do I need relearn or what. Help Plea...	View
	2003 Mini Cooper 1.6L compressor VIN: WMWRC33423 Car came with a/c inop, bad clutch. Replace a/c compressor and rec/drier. Recharge with .91 lbs R134a and oil. Works good with 40 low and 250 high side pressures. Electric fan cycles on and off at 300 psi. Compressor is very noisey, gets louder with higher rpm...	View
	2000 Mitsubishi Galant ES 2.4L MIL Lamp on VIN: 4A3AA46G3Y Hi guys have a po442, checked solenoids all seem to be working properly.vacuum hoses check ok. has anybody come across this problem with this vehicle. Trouble codes: P0442	View
	2006 Nissan Pathfinder SE Off-Road 4.0L idle VIN: 5N1AR18W36 Service code p0507, idles high sometimes, cleared code and comes on after short driving distance, tested from alldata procedure, possible bad ecm would like more info before replacing ecm.	View
	2002 Pontiac Grand Prix GTP 3.8L left cv shaft seal VIN: 1GNDTYF262 this vehicle came in with a leaking left cv shaft seal. After multiple attempts to replace the seal with napa and Oem parts as well as replaceing the shaft it always comes back a week later with the same leak between the shaft and seal. after each repair the v...	View
	1998 Saab 900 S 2.3L Computer VIN: YS3DD78B6W Check engine light not on.car has 4 flashing lights for im test.performed 5 drive cycles.lights go off,car is ready,then lights come on again.this has happened 5 times.car cannot be inspected because readiness tests not done.please help.	View
	2006 Smart Fortwo .8L Brake lights VIN: WMEAJ00F36 Have a 06 Smart car with the brake lights staying on. Very little info available. Replaced the switch-no change. Can any one help or supply a wiring diagram? Thanks! E-mail to [...]	View
	1995 Toyota Land Cruiser 4.5L key fob VIN: JT3DJ81W5S Im trying to locat the programming procedure for a key fob, I am also trying to locate the security module with the reset buttons. Since the batter was replaced only the unlock button will work on the key fob. I hope that reprogramming it will take care of the...	View
	2001 Toyota Sequoia SR5 4.7L Poor Idle Quality VIN: 5TDZT34A21 Thank you for reading this. This is kind of weird. Here is the problem. This car idles smooth as long as you don't engage the AC. Additionally, it will set misfire codes on most of the cylinders seemingly only at idle or when decellerating. Other than at idle...	View
	2008 Toyota Camry XLE 2.4L A/C Compressor VIN: 4T1BE46K18 Customer stated that A/C suddenly quit blowing cold air. I installed my gauges and system pressures read like the system is not running. Although,there is plenty of refrigerant in lines and the compressor appears to be engaged even when the A/C is turned off. ...	View
	1999 Volkswagen Jetta GLX 2.8L Surge, Cuts out VIN: 3VWTE29M2X customer compains of no power and stalls and runs rough. scan codes and diffenent codes appear every time. these codes seem to come back everytime..checked fuel pump relay circuit. seems o.k. but having a hard time reading schematics to find what voltage shoul... Trouble codes: P0343, P0102, P1425, P1435, P1115, P1639	View
	2006 Volkswagen Jetta TDI 1.9L Cooling Fan VIN: 3VWST81K06 This Vehicle came in for poor A/C performance at stop lights and speeds below 35mph. Testing found high side pressure to be over 500psi on a/c looked at cooling fans and they are not working at all. We had previously replaced the cooling fans so we order anoth...	View
	1999 Volvo C70 2.4L Power seat function VIN: YV1NC56D4X LF power seat inoperative	View

Fixes & Summaries for All Makes and Models

	Fix/Summary	Answers
	2005 Audi A4 Quattro 3.2L Key Coding VIN: WAUDG68E25 WELL LOOKS LIKE THE DEALER IT IS. MOSTLY BECAUSE THE OLD ECU IS DEAD AND CANNOT BE TALKED TO. SO NO WAY TO GET ANY INFO OUT OF IT. THANKS FOR ALL THE HELP GEORGE	12
	2001 Buick Park Avenue Ultra 3.8L Misfire VIN: 1G4CU54131 i am going to say carbon was the issue here. have drove 50 miles and have had no problems after doing carbon clean on the motor. Trouble codes: P0300 (Random cyl missfire).	20
	2005 Chevrolet Equinox LS 3.4L Misfire, Poor Fuel Economy, MIL Lamp on VIN: 2CNDL13F95 after many an hour on Diagnostic I have come to a conclusion, MAF. With all your help I re visited the MAF readings and was able to determine that it was no functioning properly. After a replacement, I watched the readings and they were more like 40 gm/sec ! I... Trouble codes: P0300 (Random Multiple Misfire Detected).	16
	2005 Chevrolet C4500 Kodiak C4C042 6.6L No Start, Poor Idle Quality, Cuts out, Stall, Poor Fuel Economy had 2 problems on this truck! 1 was fixed on its own(air trapped in the system)and coolant was low making the engine to shut off!!!nothing big!!!lol!!!thanks everybody!!! Trouble codes: P0621, P0622, P0670.	8
	1994 Dodge Intrepid 3.3L Misfire VIN: 1C3HH46T9R Found out after 10 hrs. diagnosis the cam sensor had been replaced 1 year ago and the problem had been there since replacement. Even with a good lab scope pattern, we replaced the aftermarket sensor with a factory one, and the problem is GONE!!!	10
	2008 Dodge Ram 1500 ST 4.7L Charging System VIN: 1D3HU18N78 Okay, sorry it took so long to close this but I was waiting to hear back from the customer. Thank you for all the replies. The last thing I did before opening this post was to replace the battery due to a low voltage scan with a midtronics battery tester. It r...	17
	2002 Ford F-150 XL 4.2L rear main oil seal leak VIN: 1FTRX17282 Sorry to say ,but the customer has not returned the truck back to us.He says that his son is up in Orlando and it is a problem to return it to us.I had planned to remove the repair sleeve and install the seal that George from Georgia said to use. The customer ...	16
	2006 Ford Ranger XLT 3.0L Battery Drain VIN: 1FTYR14U66 The issue I had here was the parasitic draw procedure and use of a proper battery. First off, the testing method published by Identifix for late model Fords was incorrect for this vehicle. The vehicle would never go to sleep using this method. The accurate ...	4
	2005 Honda Odyssey Touring 3.5L tail gate VIN: 5FNRL38895 Thanks to Ryan from Michigan and Ryan [...]. We appreciate the help you offered. In the end we had another van in the shop and we swapped out the front MICU, rear MICU and the tail gate control unit out of a working van. Still had the same problem. HDS read...	2
	2003 Jaguar S-Type 4.2L Heat and A/C I'm calling this one fixed. It's working and the customer is happy. Apparently it was simply a loose connection somewhere. No work was done other than unplugging and plugging back in the connectors.	3
	1995 Jeep Grand Cherokee Limited 5.2L Poor Idle Quality, Surge, Stall VIN: 1J4GZ78Y1S So after installing a known good used pcm, we still had this issue. Went back to the basics, checked base timing and found it was ~35 deg. advanced. Original tech had installed the dist wrong, had it syncing on #2 cyl instead of #1. To properly set initial di...	11
	2006 Jeep Wrangler X 4.0L No Start VIN: 1J4FA39S86 I tested all out puts :Injectors current draw= 800m ignition coil 10 amp, purge 1400ma,iac 1100 ma ,nvld 1200 ma,a/c clutch 900ma alt field 900ma The only thing I found was# 4 injector power wire cutting on the bracket.Repair wire.Also test alternator ripple u...	5
	2007 Jeep Grand Cherokee Limited 5.7L Stall, Misfire, MIL Lamp on VIN: 1J8HR58217 WELL THIS WAS A LONG REPAIR BUT AFTER I REPAIRED THE HARNESS THAT THE DEALER HAD HARD WIRED THE MDS SOLENOIDS THE ORIGINAL PROBLEM WITH THE MDS LIGHT AND RUNNING TERRIBLE WAS BACK, WHAT WE FOUND WAS THE ASD RELAY WAS TOGGLING SO FAST THAT THE JEEP WOULD DIE SO... Trouble codes: P3449 (Mds codes), P3441 (Mds codes), P3401 (Mds codes), P3425 (Mds codes).	5
	2003 Land Rover Range Rover HSE 4.4L Door VIN: SALME11493 THANK YOU FOR ALL THE HELP WE HAD TO REMOVE THE IS SIDE DOOR PANNLE AND CUT THE LATCH OUT COULD NOT GET IT TO OPEN THEN WE REPLACED THE LATCH WITH NEW ALL IS OK	3
	2006 Lincoln LS Sport 3.9L Misfire, MIL Lamp on VIN: 1LNFM87A76 we did not fix this one. customer has decided to run it until it stops. thanks for all the help guys. Trouble codes: P0357 (ign. coil primary circuit fault).	9
	2008 Mazda 3 S 2.3L Electronic VIN: JM1BK34358 The fix as many suggested was the thermostat, other Posts I had were "when temp goes to 235 degf the compressor will be shut down" "if someone changed the cabin filter, check fuse box under glove box to see if relay connectors and fuses are fully seated" "if t...	8
	1984 Mercury Grand Marquis 5.0L Surge, Misfire VIN: 2MEBP95F3E Thankyou all very much for help on this car. What I have learned is that it is a waste of time trying to get one of these to run right. The best help I got was on the o2 sensor, as this system is very sensitive to it's operation. A new sensor helped a lot, but...	30
	2007 Mini Cooper S 1.6L Poor Idle Quality, Stall, Misfire, MIL Lamp on VIN: WMWMF73597 Thanks for all the input , I had to back burner this vehicle due to increased repairwork, that is more pressing . I will get back to it asap. Thanks again for all the help . Trouble codes: 2B64, 2782 (combustion misfires multiple cylinders), 277A, 277E, 2776 (combustion misfire cyllinder 3).	4
	2004 Nissan Maxima SL 3.5L steering column VIN: 1N4BA41E64 thanks to all who replied,rechecked frt end parts & bushings,rack mounts and found nothing.had a montana van on next hoist and the wheels fit on.we had customer take the car for a road test and they said it was fixed.we noticed after market rims did not have h...	11
	2008 Nissan Xterra X 4.0L tpms VIN: 5N1AN08W18 the repair after activating all sensors again with tpms snap-on tool and replacing rr sensor and lf sensor was to go to dealer so they could register them. Don't know why our snap-on solus wouldn't do that as it's on the latest 12.2 uptate and there is the opt...	4
	1999 Oldsmobile Intrigue GLS 3.5L Mechanical VIN: 1G3WX52H7X thanks for all the thing we ended up pull the intake off and we got it to come out it is a small room but we got it out thanks again for all the help out there	5
	1983 Porsche 911 SC 3.0L tachometer VIN: WP0AA0914D Randy from Texas replied within 10 minutes of my posting and said "I just recently had to replace an rpm limiter for the same problem. We used to do them fairly often." But he couldn't supply me with the p/n or location of this switch. Frank from California ...	6
	2000 Toyota MR2 Spyder 1.8L No Start, Cuts out, Stall, MIL Lamp on VIN: JTDFR3202Y Thank all of you who responded to my request, Robert you were correct with your diagnosis. We replaced ignition coil that was faulty and vehicle started and ran. Faulty ignition coil pulls down a driver in ecm and effects injector pulses. Customer has had veh... Trouble codes: P0351.	3
	2005 Toyota Prius 1.5L hvac,audio system VIN: JTDKB20UX5 the prieus is fixed, thanks everyone for your help, it was the remanufactured multi funtion display.	4

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