Automotive Technicians Technical Discussion and Fixes for Feb 26, 2013

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	Help Request	Answers
	2003 BMW 330Ci 3.0L Unknown VIN: WBABN534X3 I'm seaking some help here please.i working this bmw that will goes into limp mode every so offten..pulls codes from both eng & trans.trans codes 56,59,54&48.eng codes 204,202,203,227,228,238,243,239,241,240&242.after seeing all of these codes i decided to cle...	View
	2004 BMW 545i 4.4L engine VIN: WBANB33514 customer states while driving low oil pressure warning message came on. I have not been able to duplicate message, but the oil pressure at idle is borderline. Specs show 1 bar(14.5 psi). If the message came on while driving, that makes me think the control pre...	View
	1984 Chevrolet C10 Scottsdale 5.0L MIL Lamp on VIN: 1GCEC14F7E Ok Chevy/Dodge techs out there! We got a good one for you! This 1984 Chevy Pickup witch is an C30 3+3 4 door cab long bed cab that has been converted to an 2005 Dodge 12 valve cummins engine running gear, suspension, wiring harness, insturment cluster and then...	View
	1994 Chevrolet Lumina Euro 3.1L 1-2 shift VIN: 2G1WN54T5R car was driven on the expressway with no issues and shifting fine grand total of 126 miles when vehicle was slowed down to make a turn it shifted down normally no sounds or indications of a problem till accelerator was pushed to regain speed, engine rpms went ...	View
	2000 Chevrolet Malibu 3.1L MIL Lamp on VIN: 1G1ND52J8Y I'm hoping someone has seen thid before. This Malibu came in with a p0440. Smoked system and found leaking vent valve. replaced it and it still failed the service bay test. Smoked system again thinking we missed something. No leaks found anywhere. replaced cap... Trouble codes: P0440	View
	2000 Chevrolet Blazer LS 4.3L transmission VIN: 1GNDT13W1Y Hello every one,I have this 2000 blazer that the 4 wheel would not engage in a snow storm,had to be pulled out a number of times during her mail route,it is a np233 transfer case first the lights would flash but would not go into 4 wheel got a code 2 flash cod...	View
	2006 Chevrolet Equinox LS 3.4L No Start, Cranks/No start VIN: 2CNDL23F86 Customer brought to me a Equinox that has a problem starting intermittently. Vehicle starts great cold but when brought to operating temp you leave for 40min. to an hour sometime you return to a crank but no start condition. It may last for 3 ignition cycles o...	View
	2007 Chevrolet HHR LT 2.2L Sol Control Valve VIN: 3GNDA23D47 12 volts at the Vent Control Solenoid (multi-meter). Will load test tomorrow to be positive on full circuit. But, a meter across the 2 terminals will yield 1.6v koeo. If I could get a full wiring diagram from underhood to solenoid, I will load test both circui...	View
	2007 Chevrolet Silverado 1500 LTZ 6.0L Cylinder 1 Lifter VIN: 2GCEK19Y07 Vehicle came in for various driveability symptoms such as misfire at idle and under load, surge at idle, and check engine light on. Only DTC was P0300, random cylinder misfire. A check of the misfire counter and history showed some counts on all cylinders, but...	View
	2001 Chrysler Sebring LXi 2.7L Engine VIN: 1C3EL55U61 We have a 2001 chrysler sebring that came in with an oil leak. Once we cleaned the engine we discovered the oil leak came from the main bearing tie bolts (the ones from the outide of the block that go into the mains horozontaly). The one that is leaking is on ...	View
	1992 Dodge Dakota 5.2L ignition VIN: 1B7GG26Y4N the vehicle will be running and all electrical power goes away from coil then start cranking and power returns and will run for an undetermined period of time did wire wiggle test cant duplicate with that test	View
	1992 Dodge Spirit ES 3.0L trans in limp in VIN: 1B3XA7638N Clear code and resets when car started,don t set til start .No engine RPM regester on snap on scanner when running.Have replaced TCM.Back probed pin 45 and have wave form in to TCM.Can t find wiring diagram on where this input comes from.Swapped ETAX relays no...	View
	1995 Dodge Dakota 5.2L over drive VIN: 1B7GG23Y9S when veh cold in morning drive 6-7 miles before overdrive will be commanded on or tcc commanded on once veh warmed up od and tcc commanded and engage veh speed prndl rpm tps all look normal thank you in advance	View
	2006 Dodge Charger SXT 3.5L transmission VIN: 2B3KA43G76 Hi all, I have this charger here that has no speed showing on the scanner in either rear wheel. The transmission also will not shift out of low gear. The customer maintains this happened all at once. Now if I remove the rear sensors and take a magnet and pass... Trouble codes: U140C, U140B, P0501	View
	1990 Ford Mustang LX 2.3L blower motor VIN: 1FACP41A4L Hello! I have this mustang in for a blower motor that requires replacement. Mitchell says drop glove box out of the way, undo electrical connector to motor, remove 4 screws, remove motor. The setup in this car has the motor in behind plastic duct work, up agai...	View
	1999 Ford Explorer Sport 4.0L Steering Wheel VIN: 1FMZU24E9X This is my personal vehicle,at times will get a very bad vibration at highway speeds and at times around 45 mph.when the problem is not there the vehicle is smooth as glass.when it vibrates at highway speeds it gets so bad that it feels like something is comin...	View
	2004 Ford Expedition XLS 5.4L door locks,dome light,door ajar VIN: 1FMPU16L04 The door ajar light is always on,customer thought he saw a flash or spark near the keypad and could not unlock doors with pad. Pad apears to work now but door ajar and dome kights are on. Scanning the vehicle security system shows all door switches closed,alth...	View
	2006 Ford F-150 XLT 5.4L No Start VIN: 1FTPW14516 Have this F150 that has me stumped. Initially thought it was just a no start, but later found it wouldn't start if the park lights were turned on. Had verified no voltage coming out of smart junction box for injectors or for fuel pump driver module. If the par...	View
	2010 Honda Civic LX 1.8L radio VIN: 2HGFG1B66A Thanks in advance for your replies, we just replaced the the battery in this clean low mileage honda, and as with all Hondas, the radio dosent work after the power has been disconnected. Whats weird about this one is that it dosent display CODE, the radio disp...	View
	2008 Jaguar Vanden Plas 4.2L dome light VIN: SAJWA82B18 here is one for you jaguar techs customer came in with concern of center dome light inop in upper console and back up sensors not working . well i checked the bulb and it was good but replaced bulb just because , still no inop. i can power probe pins at the pl...	View
	2002 Jeep Liberty Sport 3.7L Excessive Emissions, No Start, MIL Lamp on VIN: 1J4GL48KX2 We bought this liberty and drove it home, then found it failed to start at times, when this happens it will NOT GIVE trouble codes on the odometer display and the fuel pump runs all the time the key is ON,when it will start the pump only runs 2 seconds and it ...	View
	2008 Jeep Wrangler X 3.8L Cuts out, MIL Lamp on VIN: 1J4FZ24158 First off thanks for any help in advance. I admit im far from being a chrysler tech and we work on very few chrysler driviability issues but were rural and there isnt anywhere close to regift this one to. Its a rural mail carrier and sees constant stop and go ... Trouble codes: P0171, P0174, P0300, P0161, P0440, P0452	View
	2003 Mazda Protege5 2.0L cyl head VIN: JM1BJ24693 Good morning all! vehcle was brought in with loud tick in top end of engine, it was intermitant, when it ticked the engine also stumpled. I was trying to pinpoint noise with oil cap removed when ticking became constant and very lout. When this happened the eng...	View
	1992 Mercedes-Benz 300SE 3.2L Stall VIN: WDBGA32E6N Vehicle came in with a blown headgasket-rusty water in the cooling system. I do not normally work on Benz but he is a very good customer. Pulled head and timing covers. Valve job was done, timing chain and guides w/p ect. Reassembled and the engine will not ma...	View
	1997 Mercury Sable GS 3.0L Hesitation, Cuts out, Misfire, MIL Lamp on, Pings VIN: 1MELM55U0V Vehicle came to us with aftermarket cam sensor installed. Scanned and found P0340 checked the syncronizer and it has marks from hitting the sensor. Replaced syncronizer using otc installation tool and cam sensor, also replace dpfe because it has the pot metal ... Trouble codes: P0340	View
	1997 Nissan Pickup 2.4L MIL Lamp on VIN: 1N6SD11S6V hi guys ! i need help from all of you nissan techs out there. this truck came in with check engine light on . scanned codes and found code p0400 egr malfunction. with the mileage on the truck i went straight to the egr valve and opened it at idle. no change. ....	View
	1997 Nissan Altima GLE 2.4L Stall VIN: 1N4BU31D3V Hello everyone and HELP!! I have this high mileaged Altima causing me gray hair. The customer came in saying it was stalling at stops about 3 weeks ago. I got it to act up once and thought "this has to be a distributor issue". I put in a Richporter Technology ...	View
	2000 Nissan Sentra GXE 1.8L Hesitation, MIL Lamp on, sluggish VIN: 3N1CB51D9Y Ok, can someone please tell me if the timing is on or off on this car? I posted a link to the picture upload section of iatn in related repair history. this car is very sluggish feels like the timing is off. it has a p0335 in the computer. we replaced the CKP ... Trouble codes: P0335 (CKP sensor circuit problem)	View
	2003 Pontiac Sunfire SE 2.2L headlights VIN: 1G2JB12F13 hi hope someone has seen this before.car has no low beam headlight won't come one with switch.has high beam lights working.has power to bulb connector but won't light up bulbs good.tried new headlight switch still no low beam lights.thanks for any help i may r...	View
	1986 Toyota Pickup SR5 2.4L Alt. Gauge VIN: JT4RN67S3G Customer brought truck in for alternator gauge showing over charge condition followed alldata diag.and ended with alt. replacement. Replaced alternator and gauge still shows same condition.we cleaned both batter and body ground with no affect, also swapped the...	View
	1994 Toyota Pickup SR5 3.0L MIL Lamp on VIN: JT4VN13DXR The toyota troubleshooting information led me to believe this is a circuit fault, measured the resistance of the accessible knock sensor circuit to the ECM and was less than 0.5 ohms. I replace the knock sensor the the small harness the goes to it under the in... Trouble codes: 52 (Knock Sensor Circuit)	View
	1998 Toyota 4Runner SR5 3.4L Coolant Loss VIN: JT3HN86RXW Vehicle came in with intermittent heat gauge fluctuation. The customer noticed white smoke from tailpipe, and that it would not always be present. Upon further inpection we found that the engine ran rough as well, but it did not have a consistent misfire. We o...	View
	2000 Toyota Avalon XL 3.0L 2nd gear VIN: 4T1BF28B3Y Thanks in advance all. We replaced the SL solenoid(Toyota part) to correct P0773. Cleared DTC, flushed transmission(BG) and road tested to verify repair. We no longer have a P0773 but the tranmission feels like it is slipping in 2nd and there is a shift delay ...	View
	2003 Toyota 4Runner Limited 4.7L Accumulator VIN: JTEBT17R93 I believe the accumulator is at fault here looking for confirmation. The brake pedal is very hard with no assist. I can hear the booster motor working so, diagnostics tells me the accumulator. Because of how expensive it is just want to make sure.	View
	2007 Toyota Camry XLE 2.4L MIL Lamp on VIN: 4T1BE46K87 Harness from ECU to sensor has been ohmed out and is perfect. No other symptoms, ie, engine misfire or stumble. Freeze frame data shows that code sets at under 20 mph at full operating temp. Hard acceleration to 5K rpms shows no problem and does not set a code... Trouble codes: P0335 (Crank Postion Sensor A circuit)	View
	2006 Volkswagen Jetta 2.0T 2.0L gears VIN: 3VWNJ71K66 client has this problem with his car we have not yet run into the same problem after 30km of driving client has broght this video to our attn and says his car reacted the same	View
	1994 Volvo 940 T 2.3L No Start VIN: YV1JW8315R First time visit for this car at my shop, notice the miles. I saw the 'suppression' relay that powers ECM, injectors and pump relay laying on it's side so I popped in a new relay, no change. Checking electrics there was no injector pulse, no signal to pump rel...	View

Fixes & Summaries for All Makes and Models

	Fix/Summary	Answers
	2001 Acura MDX 3.5L air bag VIN: 2HNYD18291 Thank you all for the quick replies. It is just a straight wire and like a couple of you said it is much easier process to nclude a switch of some sort to help speed the clearing and retrieving up. Thank you all so much. IATN RULES!!!	8
	1995 Chevrolet K2500 Cheyenne 7.4L No Start, Cuts out, Stall VIN: 1GCGK24N0S Thank you for all the replies.The problem was ignition switch.Check pick up coil with scope and was sending signal and resistance good to.Had module tested and tested good.When problem happened hooked up spark tester and had real weak spark.Noid tester on thro...	8
	2009 Chevrolet Uplander LT 3.9L Sensors, Module VIN: 1GNDV33189 Amazing fact: no mater how much voltage you have when probing the 2 wheel speed sensor wires from the module. The important is that you have at least 3v when you probe the ref wire with the body. Also the continuity between the sensor and the module must be go...	5
	2005 Chrysler 300 Limited 3.5L No Start VIN: 2C3JA53G15 sorry it took so long,ive been swamped. the cause was something was wrong with the gas, it was contaminated. what got me confussed was that opening the throttle and spraying carb cleaner in throttle it still wouldt hit, thats why i didnt suspect fuel at first,...	10
	2000 Dodge Ram 1500 Sport 5.9L Limp mode VIN: 3B7HC134XY well it has been several weeks now and veh has not returned we replaced all internall electrical parts and harness for the 2nd time and that was the cure thanks everybody for the help	8
	1995 Ford Mustang 3.8L engine VIN: 1FALP4045S thanks to all who replied it was the balancer it was spun 180 out thanks again	14
	1998 Ford Ranger Splash 3.0L Cuts out VIN: 1FTYR14U6W Well, Sunday morning installed fuel pressure gauge and back-probed lead to fuel pump and guess what? It never hiccuped again. Damn! Amp ramped the pump, pretty. I'm going with intermittent, probably ignition switch. Customer does not want to proceed so I'm clo...	19
	2001 Ford Taurus SE 3.0L Battery VIN: 1FAFP53U01 Wanted to make sure this one was fixed before I posted. Quite a few guys nailed this one. It did turn out to be the battery. The battery that was in the car was only about 6 months old and was an Interstate battery and it checked good everytime I checked it. A...	15
	2004 Ford Freestar SEL 4.2L MIL Lamp on VIN: 2FMZA52234 Thanks to all who replied, I did receive some very helpful information but in the end I was unable to pinpoint the problem. I tried eliminating external vacuum leaks by Disconnecting all vacuum hoses & connections from the manifold & disconnecting the battery ... Trouble codes: P0171.	13
	2005 Ford Five Hundred SEL 3.0L Starter circuit, intermittent VIN: 1FAHP24105 Hello all and thanks for the help on this one. I removed all covers on steering column, wired in some led lights that I purchased at radio shack on every leg of the circuit and kept trying to start the vehicle. Finally is acted up on the transceiver side of ...	24
	2005 Ford Explorer XLS 4.0L Unknown VIN: 1FMZU72K45 Thanks everyone for your assistance..I pulled the pan & found all kinds of metal...I have it sent out for rebuild	9
	2007 Ford F-350 Super Duty XL 6.0L Misfire VIN: 1FDWF36P97 thanks guys for the help. broke rockers. may have run truck to hard. loads heavy and runs the crap out of it. Trouble codes: P0300.	7
	2008 Ford E-150 4.6L Application Of Brakes VIN: 1FTNE14W98 i disconnected the abs module and let the van return at a later date which the later date arrives i will replace the wheel speed sensor but they use the van constantly so it is very had to get it back but one it will return and i will go from thier. whether th...	5
	2011 Ford Fiesta SEL 1.6L start/stop switch VIN: 3FADP4CJ2B The car went to the dealer. I THINK the rfa module was replaced.	4
	2000 Honda Accord EX 3.0L Starting VIN: 1HGCG1659Y Forgot to mention that the immobilizer pid on the scanner showed “BAN”. Like everything else we read, the replies were just as conflicting but some did point out a very helpful TSB 00 049 stating very clearly that on a type 2 immobilizer which this car has, t...	10
	2002 Honda Accord SE 2.3L Trans VIN: 1HGCG56702 Clear code let the customer test drive the car then it driven good untill now.I am don't know it fix or not	13
	2004 Jaguar XJ8 4.2L Electronic VIN: SAJWA71C34 Ronald and John were right on this one. We found the TSB stating that the vehicle needed a software re flash and resetting of adaptations. Off to the dealer it went. So far after a couple of days there are no issues. Thanks guys.	3
	2001 Mercedes-Benz ML320 3.2L y3/6n3-speed sensor VIN: 4JGAB54E41 We made a temporary harness for the transmission-drove for a week with no problems-ordered new connectors and pins for the transmission ans transmission module and made a new harness.Customer has had for over a week now with no problems.Thanks for all the repl...	10
	2004 Mercedes-Benz S430 4.3L trunk/doors VIN: WDBNG70J44 Thanks for everyone`s response and help , it turned out to be a bad PSE module/pump . I took out the module , the pump was working but the nipple for the pressure hose was completely melted somehow ,it could not pump any pressure to operate the system , put a ...	5
	2002 Saab 9-3 SE 2.0L Stall VIN: YS3DF55K62 Alright, well I cannot say I didnt see this coming... On a whim my boss asked me to pull the CKP out and inspect it, it was a chia pet. Cleaned it off, threw it back in and it ran for 5-6 hours without stalling, pulled the CKP back out and it was a mini chia ...	17
	2005 Subaru Baja Sport 2.5L o2 sensor VIN: 4S4BT62C25 Thanks for the replies, especially Calvin from Hawaii. The wiring colors you gave me were right on. The wire plugs were destroyed so I had to connect the wires with weathertight posi-lock connectors but it worked out very well.	3
	1996 Suzuki Sidekick JX Sport 1.8L Poor Idle Quality, Hesitation, Cuts out, Stall VIN: JS3TD21V6T Sorry for the very late response. Haven't worked on this one yet. Will keep everything in mind though.	7
	1998 Toyota Avalon XL 3.0L MIL Lamp on VIN: 4T1BF18B7W Dan thanks for the tip about the resources inormation. I didnt know that was there. Thanks to everybody for the replies. Like i said i Put the VSV in and it hasnt come back. Im calling it a fix. if it does come back im putting a canister in it. Trouble codes: P0446 (EVAP Vent Control Fault).	14
	2006 Toyota 4Runner Limited 4.0L parasitic draw VIN: JTEBU17R16 thanks to all who replied. found corrision at body controler connector. cleaned conection, still had some trouble with it. so we also had to replace bcm. draw is gone.	10
	2008 Toyota Sienna LE 3.5L Sliding door VIN: 5TDBK23CT8 Couldn’t find any diagnostic information on Mitchell but Alldata did have a pinout chart. We found the switches in the rear latch not working which caused the module not to know the position of the door. We were able to test this all the way to just before the...	18
	2004 Volkswagen Passat GLX 2.8L Heater VIN: WVWRH63B14 Hi Guys; This car finaly came back last friday to pull the water pump. I sold the timing belt/water pump to the customer with the assumption that there was a water pump problem. I was relieved to find that the water pump impellor could spin on the water pump ...	28
	2005 Volvo S60 R 2.5L Lower steering column VIN: YV1RH52775 Thanks to all that replied. What I did was remove the upper pinch bolt and disconnected the lower shaft from the upper. Next I supported the engine from the top then lowered the rear of the cradle. At that point I coated the area surrounding the rack with "Hot...	6
	2006 Volvo S40 2.4i 2.4L Fuel Gauge,Window,Wipers SRS, Directionals VIN: YV1MS38236 Thank you David,Bruce and Jim for your help Fix was in securing harness connection at the CEM I did look at them initially but obviously not well enough. Car is on it's way back to its owner	4

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