Automotive Technicians Technical Discussion and Fixes for May 7, 2014

Join Now

Prev	Professional Automotive Repair Technical Discussions for May 7, 2014 International Automotive Technicians' Network (iATN) - Members Only	Next
(Also Available: All, Asian, Chrysler, European, Ford, GM.)
Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder.

Open Help Requests for All Makes and Models

	Help Request	Answers
	2004 Acura TSX 2.4L throttle body shifter heater core VIN: JH4CL96894 Vehicle came in with stalling and throttle body cycling with key off. smells after coolant flush. found fairly quick leaking heater core. drips collected at botom of core box. dripped onto C201 connector. It's located where your left foot is in pass-side seate...	View
	2006 BMW 330i 3.0L regulator VIN: WBAVB33536 need to know how to reset rear window regulator after being replaced	View
	1998 Buick Park Avenue 3.8L compressor VIN: 1G4CW52K9W This car has two problems that may or may not be related. The cooling fans for the radiator will not activate on their own, also the A/C compressor will not activate on its own. I have allowed the car to reach 242F and no activation. My snap-on verdict scanner...	View
	2006 Buick Lucerne CXL 3.8L door lock VIN: 1G4HD57276 This is a common problem with theses vehicles, the dealer was able to get the doors open, my customer declined repairs, replacing the latch with the actuator built it, at that time, and of course after a period of time they refuse to open again. Is there a tri...	View
	2004 Chevrolet Aveo 1.6L No Start VIN: KL1TD52694 looking for some opinions on the aveo. car got towed in for no start. if you spray it with starting fluid it will start and run forever with no problems. when trying to start it without starting fluid there is no injector pulse, as soon as you spray it with st... Trouble codes: P2610 (Control module ignition off timer performance)	View
	2004 Chrysler PT Cruiser Limited 2.4L Poor Idle Quality, Cuts out, Stall, Misfire, MIL Lamp on VIN: 3C8FY68814 Complaint of would not idle, barely limped to my shop and the check engine light came on. Found other posts with the same concern but no resolution. No accident and visually cannot see any issues of corrosion, melted or rubbed through harness. Let run but did ... Trouble codes: P0038, P0032, P0508 (IAC Current low), P0452 (NVLD Stuck Closed), P0300 (Random Misfire)	View
	2005 Dodge Durango SLT 4.7L Misfire VIN: 1D4HB48N35 Stumped on this one guys/gals. Customer brought in vehicle with check engine light on and multiple misfire and cyl. 8 misfire codes. Replaced all 8 plugs, extremely worn out and #8 coil had burn hole in side. Customer just brought it back with cyl. 8 misfire c... Trouble codes: P0308 (Cylinder 8 misfire)	View
	2005 Dodge Dakota SLT 4.7L No Start VIN: 1D7HW48NX5 Greetings ladies and gentlemen: Customer states that the vehicle doesn't start; no starter engagement. Customer states he was previously having a problem with the vehicle not starting on first attempt. He states that at that time the starter would engage and t...	View
	1989 Ford F-350 Custom 7.5L Poor Fuel Economy VIN: 2FTJW35G3K Customer cam in complaining about poor fuel mileage. This truck even in top shape dont get really good gas mileage but customer is stating that it has been really bad. We found the catalytic converter falling apart, replaced that. The truck drives better, and ... Trouble codes: 33 (Egr)	View
	2005 Ford E-350 Club Wagon Chateau 5.4L TCC solenoid VIN: 1FBNE31L45 Mobile field repair. Need wiring diagram and TCC solenoid location in trans. Looking to check it with pan off. Thanks,	View
	1999 GMC C6500 Topkick C6H042 7.4L No Start, MIL Lamp on VIN: 1GDJ6H1B9X Hi, all, thanks for any help on this one. came in with a code po341 (camshaft position sensor performance). Customer put in own cam sensor distributor assembly. Retimed distributor ( was off). Still set code on 2nd key cycle. Also noted that takes 2-3 times of... Trouble codes: P0341	View
	2001 Honda Accord Value Package 2.3L p1457 VIN: 1HGCF86661 Engine light keeps coming back on with P1457. We smoke tested the car and found smoke coming from the canister (6 months ago) We replaced the fuel cap because the seal was cracking and the charcoal canister. the engine light came back on 3 weeks later with the...	View
	2006 Honda Pilot EX 3.5L engine VIN: 5FNYF28596 Came in a couple weeks ago with a loud rocker arm tap coming from rear valve cover. Timing tensioner was bad so we did a complete timing component job on it. After complete ran fine noise gone. Car came back three days ago with the same rocker noise as before....	View
	2004 Hyundai Santa Fe GLS 3.5L Poor Idle Quality, Misfire, MIL Lamp on VIN: KM8SC73E54 This vehicle has been here too long and I'm ashamed to even tell you all how long it has been. Another employee tore this vehicle down and then I fired him. So I had to figure what he had done and why, along with what it really needed. Anyway I have rechecked ... Trouble codes: P0300 (Random Misfire), P0302 (Cylinder 2 Misfire), P0304 (Cylinder 4 Misfire), P0306 (Cylinder 6 Misfire)	View
	2007 Hyundai Sonata GLS 2.4L No Start VIN: 5NPET46C77 This Sonata was towed to me. Cranks but will not start. I cleaned all the grounds. On my scan tool while cranking I get no rpms, start signal shows off, fuel pump shows off, main relay shows on, no spark and has pressure at fuel rail. Tried a new crank positio...	View
	2005 Kia Amanti 3.5L No power VIN: KNALD12415 Vehicle came in to shop to replace TPS sensor, as diagnosed by Dealer, we installed new oe part, and customer brought car back, and said sel was on and had no tach. We scanned it, and had a p0320 code, replaced Ignition fail sensor, and cured that issue. Custo...	View
	2003 Lincoln LS 3.9L Cuts out VIN: 1LNHM87A33 veichle stumbled on customer. brought to us, road test no issue on road test. replaced ignition switch prior to this due to weak spring and not returning correctly. had many low/ no voltage codes. good for 2 weeks. returned car to cust. now cut out on highway.... Trouble codes: P1260	View
	2007 Mazda CX-7 Touring 2.3L turbocharger VIN: JM3ER29317 After complaint of smoke from exhaust at idle, I began researching bulletins on alldata and searching internet for info... I have seen where Mazda sells a "vent kit" for up-dating breather system, including replacing newly configured valve cover and several br...	View
	2006 Mercedes-Benz SLK350 3.5L radio VIN: WDBWK56F66 MB tech's i need help.. we have in an 2006 slk 350 that we repaired an srs code .. and the second item of customers complaint is the radio.. when you start the car the radio works perfect.. after 30 seconds the screen says low voltage and the shuts off. we hav...	View
	2004 Nissan 350Z Touring 3.5L Misfire VIN: JN1AZ36AX4 I have a Z that has a misfire on cylinder #1 only. I found the injector was not receiving a pulse signal from the computer so I did my necessary checks and determined it needed the computer. I got a brand new computer from Nissan and had the dealer program it.... Trouble codes: P0300	View
	2006 Nissan Xterra X 4.0L Master Cylinder VIN: 5N1AN08W36 Vehicle stopping distance is longer, will not stop under emergency braking conditions. Brake pedal itself is soft. Brake pad life, fluid condition, and fluid level are all good. No brake lights or check engine lights on. Flush brake fluid and bled out any air ...	View
	2011 Nissan Altima 2.5L Cruise VIN: 1N4AL2APXB Car has code p1564, checked fuses under hood and inside, checked good not sure witch one is cruise. The cruise light never shows up on dash and should come on when switch is on. Pluged in new switch same problem. Don't see any fuses missing but could have look...	View
	1995 Oldsmobile Aurora 4.0L MIL Lamp on VIN: 1G3GR62C0S This wonderful gem has an intermittent check engine light on. My problem is that I think I need a tech1 scanner to read it as all other scanners will not communicate and I can not find anyone with a tech1. I have been trying to find a way to pull the codes man...	View
	1999 Porsche 911 Carrera 3.4L MIL Lamp on VIN: WP0AA2992X for the past 2 years this customer has had an intermittent check engine light. the codes now present are (P0452 TANK PRESSURE SENSOR and P0446 EVAPORATIVE CANISTER SHUTOFF VALVE) he has replaced a number of parts over the years including the charcoal canister,... Trouble codes: P0452, P0446	View
	1999 Subaru Legacy Limited 30th Anniversary 2.5L Cuts out, decreasing power VIN: 4S3BG6856X Hello all, This one is a bit of a head scratcher. The shop had done head gaskets on this vehicle with the related repair history and all was well for about 2 weeks. Then it started running rough under load, but idled fine. The short term fuel trim drops to -1... Trouble codes: P0301, P0302, P0303, P0304, P0463	View
	1998 Toyota 4Runner SR5 3.4L compressor VIN: JT3HN86R1W now this truck has melted 2 compressor clutches.has B+ voltage at compressor when switch is turned on. ground is supplied when its bolted to engine. all ground wires are clean and connected. at a loss	View
	1998 Volkswagen Beetle 2.0L delayed shift VIN: 3VWBB61C1W The complaint is the trans seems to have delayed shift points, which get longer as the unit warms up. After about 8-10 miles the trans does not want to upshift, especially into fourth gear. If I let off the throttle on acceleration it will upshift into fourth ...	View
	2003 Volkswagen Passat GLX 2.8L Misfire, MIL Lamp on I have this vw passat with the 2.8 the customer has had alot of repairs done to this car at a another shop well now she brought it to me saying the the check enging light flashes at around 3,000 rpms an I've check an confirmed that it is flashing at 3,000 rpms... Trouble codes: P0300 (p0301-), P0301 (p0302-), P0302 (p0303-), P0303	View
	2012 Volkswagen Passat TDI SE 2.0L DSG stuck in one gear VIN: WV2ZZZ7HZB This Vw Multivan's vin did not decode when entering vehicle details sorry.Does anyone know if these DSG transmissions have common problems with senors? This van will not chage gears like it is in limp mode and will bring back error code as soon as you start to...	View
	2007 Volvo XC90 V8 4.4L seat sensor VIN: YV4CZ85267 Hi we have a Air Bag light on for the passenger seat sensor. The sensor is bad. The customer is asking whether this shuts off the whole system? We looked on Alldata and couldn't find anything. Does anyone out there know? Thanks George PS the part is $1700, so ...	View

Fixes & Summaries for All Makes and Models

	Fix/Summary	Answers
	2007 BMW 525i 3.0L trunk operation Thanks to Francisco from Va. Amazing that where the break(s)in the trunk harness were in a spot that doesn't bend or pivot when you open and close trunk lid. Thanks to IATN also.	2
	2007 BMW 328xi 3.0L VVT Servo VIN: WBAWV53507 Thanks for all the replies. We put everything back together this morning. We turn the [...] screw to get it back in. Afterward we try the key on key off to relearn its position. We even use our scan tool to relearn just to see what happen. Everything works out...	6
	2008 BMW 535xi 3.0L Misfire VIN: WBANV93588 It is done and runs well. The final fix was a cyl 5 fuel injector. Yes, we already replaced it, but after going around and around with diagnosis, and checking everything you told us about, it really seemed like it was still an injector issue. Tried a second... Trouble codes: P0305 (Misfire Cylinder 5), 29D1.	20
	2007 Chevrolet Malibu Maxx LT 3.5L 1-2 VIN: 1G1ZT68N57 Still waiting on Trans guru to inspect valve body. I will let you know when the "pin point" diagnosis is found. Until then... thank you so much for the replies. There is no fluid in connectors. Thanks again.	5
	2001 Dodge Stratus SE 2.4L Cuts out, Misfire, MIL Lamp on VIN: 1B3EJ46X11 Thanks for all the great replies. Joe from Jersey nailed this one as well as Raymond from Maryland and Sherman [...] on Demands diag for P1391, not on... Trouble codes: P1391 (Loss of cmp cpk signal).	24
	2002 Dodge Caravan SE 3.3L No Start VIN: 1B4GP25392 Thanks to Dan from TX Larry from NY and Bruce from Iowa this one is fixed. It turn out to be a plugged Catalyst. I was just to hung up on that Ethanol percentage to cover all the bases. A simple vacuum tester told the story NO VACUUM! That just goes to show yo... Trouble codes: P0171 (System too lean b1).	11
	2004 Dodge Ram 2500 SLT 5.9L isolation valve VIN: 3D7KU28C64 swapped frt sensor wires at cab-problem moved to rt side.lab scoped lt sensor-nothing but a clean ac sine wave.scoped rt sensor-had a dogleg in the pattern about every 20 teeth.Removed rt sensor and found a single tooth broken off tone ring inside brg.Replaced...	4
	2008 Dodge Ram 2500 SLT 6.7L drivetrain VIN: 3D7KS28A38 Hey all, finally got to check this truck out again,test drive it for about 10 miles , then checked the ujoints, and found that the rear ujoint on the rear shaft was warmed up,pulled driveline and lo and behold,we had a bad joint.replaced and all is well.The re...	13
	2012 Dodge Grand Caravan SXT 3.6L Brakes Hello all, sorry for the delay in posting the fix, it was much simpler than i thought, just for anyhow i took the old reservoir and turned it upside down to simulate full fluid and plugged it in and bingo the light went out! I had previously tapped on the new ...	8
	1994 Ford Ranger STX 4.0L No Start VIN: 1FTCR15X6R First off thanks to all who replied. The problem was the PCM relay. I did clean off the ground at the radiator as a precautionary measure. When it finally acted up I tested for power at the injector and TPS,(Thanks Thomas). Since I had no power there I used ju...	13
	2005 Honda Odyssey EX 3.5L engine mount control module VIN: 5FNRL38755 What I ultimately determined the problem to be was an open circuit between the fuse box and the engine mount control module. The original 10 amp fuse showed signs of heat based on the fact that the electrical contact tabs on the fuse were both bluish in areas....	3
	2008 Jeep Grand Cherokee Laredo 3.0L transmission VIN: 1J8HR48M78 Thanks to all. Wiring harness at top of tranny containing wires to speed sensors was rubbing on engine causing chaffing and green corrosion. Harness had no short just high resistance. everything is good. Cruise codes were not related to this issue. Thank you f...	7
	2005 Mazda Tribute S 3.0L door ajar VIN: 4F2CZ06135 The problem lays in the latch. michael from nigeria, thank you for the advise as where to look for the diagram, found it in just minutes. havent been doing a lot of wiring, we had a tech who loved wiring and i had not had the chance to gain expierence. mike, p...	5
	1988 Mercedes-Benz 300SEL 3.0L Stall VIN: WDBCA25D9J Thanks to all that replied.This vehicle is fixed. I found that there was no signal from the ignition control unit to the fuel pump relay,(green Yellow wire).When I checked the wire I found rodent damage chewed the wire !!! It was still hold together but when ...	13
	2003 Mercedes-Benz ML350 3.7L Differential VIN: 4JGAB57E23 Thanks for all the inputs guys and I tried everything that everyone suggested and end up being a lazy abs sensor.	8
	2004 Mercedes-Benz SLK320 3.2L Starting/Remote locks VIN: WDBKK65F94 we have both keys and our scanner says the car reconises them cked for water found none.alldata is useless for this. we sent car to dealer. thanks for the help.	6
	2002 Mercury Grand Marquis LS 4.6L All Shifts VIN: 2MEFM75W32 It looks like this is going to go back to the auction and someone else will can find the issue. I'm not a quitter, but this obviously has a sort in the harness somewhere and I'm just not willing to pay for the time to tear the harness & connector plugs apart t...	4
	2009 Nissan Altima S 2.5L a/c comp. VIN: 1N4AL21E49 Had power going to pressure switch, voltage was on wrong wires. Car had hit a deer someone had replaced the pressure switch plug whitch had all the wires same color, checked wiring had to change outside wires around center wire was ok. Pluged up wire ac works ...	5
	2007 Toyota Avalon XLS 3.5L Servo Motor VIN: 4T1BK36B07 Vehicle is fixed.Called local Toyota Dealer and talked to a Master Tech. He nailed it. Problem was mode and mix doors were not in time. So relearn would never take. Removed and re install both servo motors. Found mix door gear out of time. Perform relearn and ...	2
	2001 Volkswagen Jetta GL 2.0L Poor Idle Quality, Hesitation, MIL Lamp on v.dub. is done. ordered pins from v.w. and made an overlay harness from t-body to e.c.m. on road two weeks now and no issues.thanks to two replies,espically stan who answered a few questions for me,and was right on the mark.thanks again. I.A.T.N. rocks...Bill. Trouble codes: P0638.	2

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