Automotive Technicians Technical Discussion and Fixes for Apr 29, 2013

Join Now

Prev	Professional Automotive Repair Technical Discussions for April 29, 2013 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
	1996 Acura Integra LS 1.8L PGM-FI Main Relay VIN: JH4DC4354T Need a little help from a Honda Guru here. I have a 1996 Acura Integra 1.8L that won't start. It has no power to the fuel pump. Tried a known good PGM-FI relay, no help. There is power to the relay on pin 5 blk/yel wire, but no power out to pump on pin 4 yel/g...	View
	1996 Acura TL 2.5L Excessive Emissions, Poor Idle Quality, Hesitation, Poor Fuel Economy VIN: JH4UA2652T Vehicle came in with dead cylinder misfire. Replaced plugs, wires, valve cover gasket and grommets. Vehicle once started is very rich, both visual, odor and 02 indicate vehicle is running rich. STFT -25 LTFT 0. LTFT never changes under any circumstances. Custo...	View
	2003 BMW 745Li 4.4L Electronic VIN: WBAGN63423 1st problem we are having with this vehicle is that the brake lights are stuck on. they turn off if we unplug abs module. the brake light switch seems to be operating normal. we noticed on scanner data that the brake pressure fluctuates between 0 and 15psi whe...	View
	2004 BMW 325i 2.5L Cuts out, Stall VIN: WBAET37474 Looking for any ideas. The engine abruptly shuts off intermittently but consistantly, does no appear to be temperature related and no codes are set when stall occurs. Engine will start right back up after cycling the key and runs perfect. I have monitored the ...	View
	1997 Chevrolet S10 2.2L #4cylinder VIN: 1GCCS1445V vehicle came in with check engine light, misfire #2,#4, checked scan data, short and long term fuel trims way negative(-23), found 3 bad injectors, and replaced them. now intermitant #4 misfire. In a 20 second run time only at idle will have 15 to 20 misses. A...	View
	1999 Chevrolet Astro 4.3L starting VIN: 1GBDM19WXX Recently replaced the steering column on the 99 AstroVan and now it wont start. I know the new steering column has to be relearned but im not sure as how to do it with out the scanner. When I plug in the old harness from the old steering column van starts but ...	View
	2002 Chevrolet Malibu LS 3.1L No Start VIN: 1G1NE52J62 ok lets throw this out there, towed in back in october crank,no start, no fuel press. simple rite. ok i always check the pump b+ and ground with a sealed beam headlite it good, ok replace pump module assy. with oem (DELPHI) new filter starts rite up check pres...	View
	2003 Chevrolet Express 3500 6.0L No Start VIN: 1GCHG39U83 The van was towed back in today. Will start but immediatly shuts off. When it shuts off the security light blinks 4 times. I unplued the wires going to the sensor in the housing and tried a new housing and that did not correct the issue. So i started from step...	View
	2007 Chevrolet Silverado 1500 Classic LT 5.3L Surge, Stall, MIL Lamp on VIN: 1GCEK19Z57 Thanks for your time reading this. This truck will intermittently stumble and run rough, will not accelerate and may stall, and the CEL comes on immediately. It might do it twice a week, and may not do it for 3 weeks. It has never done it with me, only the cus... Trouble codes: P0101 (MAF out of range), P0106 (MAP or BARO out of range), P0128 (coolant thermostat)	View
	1999 Daewoo Leganza SE 2.2L Excessive Emissions VIN: KLAVB6929X Ok folks, im getting my tail kicked on this one. Customer came in with this project, cant smog it because the ck engine lamp is on. Monitored EGR function with a Waekon tester. EGR works fine and EGR lift sensor reading w/i spec. but no engine stumble when act... Trouble codes: P0401 (Egr flow insufficient detected)	View
	1998 Dodge Ram 1500 ST 3.9L compressor VIN: 1B7HC16X0W I hooked the scanner to it to get i/o data and everything appears normal. Engine temp accurate, engine load at idle 4%, A/C request has 3 items and they change from off to on as I move the switch to various positions. I bypassed the relay and it does blow cold...	View
	2004 Dodge Ram 2500 ST 5.9L no overdrive VIN: 3D7KU28C94 transmission has no codes does not have overdive has good pressure there first second and third , but no pressure in overdrive. all electrical is working, please help on this one, thanks in advance	View
	2006 Dodge Ram 3500 SLT 5.9L Extended crank VIN: 3D7ML48C86 Thanks for taking the time to read this, The customer is complaining of long cranking times, he thinks it seems to be getting worse. We are talking 3 to 5 seconds, it just does not pop off right away. It has new batteries so it's spinning pretty fast. It does ...	View
	2002 Ford Mustang 3.8L engine noise VIN: 1FAFP40482 this is a good one. customer decided to do some gaskets and paint the engine . he finished and now at idle it has a foghorn noise coming from the intake manifold.ive heard similar noise when grocery bags got sucked into air box. it had no restrictions so i pul...	View
	2003 Ford Escape XLT 3.0L engine VIN: 1FMYU03143 I have been trying to find a noise. it sounds kind of like a belt noise or a vacuume leak. it only does it starting at about 2500 rpms. I have removed all belts and noise is still there.have changed iac .pulled throttle body and checked gasket.took off water p...	View
	2007 Ford F-450 Super Duty XLT 6.0L Hesitation, Cuts out, Stall VIN: 1FDXF46P57 truch was towed in after cutting off in road it will start up & go for a few miles then cuts off again. When i start the truck it is missing on 1 cilinder then when i drive it it seams to hold back lack of power then about 10 miles it loose all power & cuts of...	View
	2010 Ford Crown Victoria Police Interceptor 4.6L Poor Fuel Economy, Low power VIN: 2FABP7BV4A We got this unit from our central installation facility ; Apparently it had been sitting under general headquarters for some time , We needed cars , had a trooper that prefers crown vic's over the chargers and poof , We got the last new crown vic to go into s...	View
	2008 GMC Sierra 2500 HD SLE 6.0L tire light VIN: 1GDHC24K08 How do you reset the tire pressure warning light on this truck? Thanks in advance.	View
	1990 Honda Accord LX 2.2L t.c.m. VIN: 1HGCB765XL Hi everyone. This car has burned the circuit board in three used computers in three years. Car will have an illuminated "S" light on dash and will start in high gear. Will start in second if either low or second gear is manually selected. Service bulletin says...	View
	1994 Honda Civic Si 1.6L MIL Lamp on VIN: 2HGEH3398R backprobed 5volt ref to tps/map has 5 volts with key on&cranking this morn the ck eng lite stayed on for over 5 mins then after it went off started up cycle key 2 3 sec ck eng lite goes off runs again i have pwr& grounds out the ecm (this ecm does not have vis...	View
	2008 Honda Civic LX 1.8L Limp Mode VIN: 2HGFG12688 Everything is Ok under low boosts and part-load. On boosts higher than 10 psi and after 5000 rpms we have "DTC P0606 PCM failure". It looks like fuel cut-off and DTC jumps within 1-2 seconds after. The only suspicion I have is "knock level" goes to 99% right ...	View
	2005 Hyundai Sonata GLS 2.7L not sure VIN: KMHWF35H05 have this sonata when you put it in reverse and start to creep with your foot on the brake lightly the motor starts hopping u give it a little gas and then its ok driving down the road its ok, also wiil do the same thing in foward not as bad, found a broken re...	View
	2003 Jaguar S-Type 4.2L computer VIN: SAJEA01U53 I have this Jaguar and I cannot get it to communicate with any OBDII scan tool I have tried my Snap-on Solus Pro and a Generic OBDII. I checked all the fuses all check out good. good power and grounds at OBD plug are good.	View
	2003 Land Rover Range Rover HSE 4.4L suspension VIN: SALLMAMA33 Hello everyone , this car came in with leaking front air struts, replaced strut assemblies with new Dunlop units, about a week later the car came back for groaning and rattles in the front suspension that were not there before .I contacted the supplier and the...	View
	2005 Mazda 3 S 2.3L Cuts out VIN: JM1BK32355 Vehicle sputters on accel in first, second, and thrid,ad then is fine intermittantly, no codes, and everything with tps looks fine, maf readings look normal. acts like someone turning key on and off. has any body else had this happen with them on a mazda???	View
	1997 Mercedes-Benz E420 4.2L Engine VIN: WDBJF72F7V Hi guys this one will make you shake your heads. Car came in with about 15 codes. mostly missfires, and acl pedal. scoped coils. found 2 bad replace plugs and coils. Car smooth right out. but now here's the kicker. If you run it up to 3000 rpms or more you get...	View
	1999 Mercedes-Benz E300 3.0L fuel system? VIN: WDBJF25H6X Insight would be greatly appreciated. When the car sits overnight, it intermittently won't start. When it's bled it starts and runs fine. Glow plugs are drawing 25 amps each, voltage to the glow plugs, cranks good, and good quality fuel. Could this be an elec...	View
	2009 Mini Cooper S 1.6L Engine VIN: WMWMF73549 I have a mini that just had cyl. head work performed (New valves) and new timing chain installed at a Honda dealer. It runs rough at idle, hard to start & stalls - It feels smooth off idle though. Crank case vacuum is through the roof (Almost sucks the fluid o...	View
	2006 Nissan Maxima SE 3.5L Maint reminder Message VIN: 1N4BA41E46 This is my first post and I hope it has been prepared properly. I don't want to right a book, but I want to describe things best as possible. I've used my Nissan Consult II tester to check for trouble codes and CAN issues, but all checks out o.k. The main is...	View
	2004 Saab 9-3 Linear 2.0L Starting VIN: YS3FB49S94 Hi all and saab tech, car tow in ! tech check not turn over, and no light in dash board test battery was death ! replace new battery, all ligth in desh board on but still not turn over! fell like starter or alam problem but radio not turn on either!! i wonder ...	View
	2000 Saturn LS2 3.0L Poor Idle Quality, Hesitation, Cuts out, Stall, Misfire, MIL Lamp on VIN: 1G8JW52R2Y vehicle came in with a no start and wanted to replaced the timing belt for no reason, car shut off and didnt want to start back up. well when i took the timing cover off and got crank lined up both the cams were off about 2 to 4 teeth. installed timing belt an... Trouble codes: P0056 (Heater oxygen sensor bank 2 sensor 2)	View
	2000 Saturn LS1 2.2L Hard Cold Start VIN: 1G8JT52F9Y Hey guys. I could use some help here. We replaced the engine of this Saturn LS. We put a used engine in it. I test drove it and passed state inspection. No check engine light and it runs good. However, I found that at cold startup, the engine will not start.... Trouble codes: P0300 (Random Misfire), P1599 (Engine Stall/Misfire Detected)	View
	2007 Volkswagen Passat 2.0T 2.0L Oil pressure VIN: WVWEK73C27 Looking for some help from the VW guys. We have a good customer who called us on the road. Oil pressure light comes on saying stop engine. When she tried to restart it would not. The car get towed in and has 0 compression. The oil was full and has been changed...	View
	1992 Volvo 960 2.9L Electronic VIN: YV1KW9507N Transmission is in limp mode as far as I can tell. Lights on mode switch in console are flashing as is the arrow on the cluster. Speedometer is not working as well which I believe is the actual problem. I would like confirmation that I am barking up the corr...	View

Fixes & Summaries for All Makes and Models

	Fix/Summary	Answers
	2004 Audi A8 Quattro L 4.2L Starting VIN: WAUML44E24 The digital sound system amplifier was not shutting down, causing the excessive draw. Thanks for the help, and draw test procedures.	17
	2003 BMW 325i 2.5L service VIN: WBAEN33473 I received 3 replys of Techs in the Birmingham area. I sent each one a pm to thank them. My customer has'nt got back to me yet as to which one she will contact. Thank you guys again	3
	2005 BMW 325i 2.5L No Start VIN: WBAAZ33485 Happy Monday, ladies & gents. Thanks to all who responded, you confirmed my suspicions and feelings about this: There is no correct or legal alternative to replacing the fuel tank in the event of fuel pump failure. An M54 system is completely incompatible, f... Trouble codes: 28D0.	14
	1992 Cadillac Seville 4.9L Intrument panel VIN: 1G6KS5387N VerThank you guys so much for all your help ! The problem i was having was the instrument panel was going blank and causing the heat to blow and wouldn't turn off , well i fixed the problem thanks to the very good team work and effort you guys have shown me,...	12
	2006 Cadillac SRX 3.6L Steering Pump VIN: 1GYEE63736 hello and thanks for all the help, well customer didn't wanna pay for the change the whole system ended up trading the vehicle thanks again	20
	2004 Dodge Ram 2500 ST 5.7L Misfire VIN: 1D7KU28D34 My theory is the cam sensor was telling the coil(s)to stay on and was breaking the coil(s) and shorting out the ecm. The fix was new oem cam sensor, used ecm, and another coil.Thanks for the help.	5
	1995 Ford F-250 Eddie Bauer 5.8L Trailer Brake VIN: 2FTHF26H6S Thank you for all the replies. Found the trailer electric brake control unit exactly as stated. Replaced unit and brakes work. Thanks again.	14
	1997 Ford Windstar GL 3.8L power steering pump VIN: 2FMDA5144V thanks to every one for you,re sugestion many suspected that the old pump wasent good but the customer decided that is time to change the van so that ended like that.	26
	2009 Ford Expedition EL XLT 5.4L automatic VIN: 1FMFK15589 sorry guys nothing works.just wanted to let yall know and thank all who responded.this was a puzzler.Tried all sugestions before and after sugestions no dice.sent it to the dealer I hated to but they built the crap sometimes they can fix it.But ive worked for ...	4
	1999 Infiniti Q45 4.1L No Start VIN: JNKBY31A9X Sorry Guy, But I have not found the info needed to make sure of the issue. AllData or NODATA as it is sometimes called. Has nothing on these sensors. I spoke to them, emailed them etc nothing not even in the wiring diagram. Problem I have is they are on the...	7
	2003 Kia Sorento EX 3.5L Na VIN: KNDJC73393 Some excellent suggestions were given. We chose to remove the wiper cowl assem. This opens up the area and provides enough room to get the job done properly.	10
	2005 Lincoln Navigator 5.4L Valve timing VIN: 5LMFU28515 Hello every one, thank you kindly for all your support. I would like to toss in little detail. Low end was brand new from the dealer, oil pump, chains, tensioners all gaskets new. Valve job done, heads cleaned up, cam surfaces/caps looked perfect. Turns out a...	19
	2001 Mercedes-Benz C240 2.6L Esp VIN: WDBRF61J51 Well, the customer has been made aware of the fact that he may need a module and has declined further work. I was hoping to get to the bottom of this one but did not get the chance. He may go ahead with repairs in the future, at that time, I will update this...	4
	2004 Mercedes-Benz E500 5.0L ride control, ic cluster, no commuication VIN: WDBUF70J44 I am using a launch gds scanner,In the replies it stats that i must have a MB scanner. I borrowed one from another shop and it too would not communicate with the suspension module or the IC cluster. I disconnected all the battries and left them disconnected fo...	6
	2006 Mercedes-Benz C230 Sport 2.5L MIL Lamp on VIN: WDBRF52J06 Thanks to all who replied. Byron for TX was right. No simple fix. Removed the front SAM and saw that the wires to the relay were compromised. Repaired the connection and the pump now runs. Trouble codes: P0411 (Secondary air System).	5
	2007 Mitsubishi Eclipse Spyder GS 2.4L Mechanical VIN: 4A3AL25F27 thanks for all the replies,ordered the socket from ebay	11
	2001 Nissan Altima GXE 2.4L security VIN: 1N4DL01DX1 Thanks for all the help, had another locksmith come out and he suggested to replace the immu unit at the lock cylinder, had it reprogrammed, that was the problem. Thanks again	5
	2008 Nissan Rogue SL 2.5L lack of power VIN: JN8AS58V88 First I want to thank everyone that took time to reply. Feul pressure and valume are good and within specs. After talking to the customer further I realized what was happening was the vehicle was shiftting down csusing engine to lag. I asked the owner to get v...	7
	2007 Subaru Impreza 2.5i 2.5L engine oil VIN: JF1GD61687 Well sorry for the late fix guys I wanted to make sure it was fixed. We sent heads to a different machine shop and they found the valve seals were installed incorrectly(damaged),as we all thought it had to be something in the heads. Also no this was not a turb...	7
	2005 Toyota Sienna XLE 3.3L System VIN: 5TDBA22C85 Thanks to all for your help. We ended up connecting the system to shop air and taking appart the vehicle, spraying everything with soapy water as we went. Found the leak at the very top of the condensor, driver side where the "U"-channel was rubbing against th...	14
	2005 Volkswagen Jetta 2.5 2.5L Mechanical VIN: 3VWRF71K45 Thank you all for replies to my silly question it was behind the starter.	7

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