Automotive Technicians Technical Discussion and Fixes for Jun 25, 2013

Join Now

Prev	Professional Automotive Repair Technical Discussions for June 25, 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
	1983 BMW 528e 2.7L cruise control VIN: WBADK7304D tested power and ground circuits. okay. tested brake and clutch switch inputs. okay. tested switch inputs. okay. What else can be tested, and are there any known faults with the cruise control system.	View
	2002 BMW X5 4.4i 4.4L Ignition Key VIN: 5UXFB33582 Hi Guys; This X5 came from a dealer that the customer declined the repair. This whole thing is a little twisted, so read on. The denied repair was for both rear suspention air bags. After inspecting the vehical, that was sitting low in the rear end (both air b...	View
	1995 Chevrolet K1500 5.7L No Start VIN: 2GCEK19K2S Thanks in advance, no start, doesn't even try to start, suspect no fuel delivery to cylinder, now have fuel pressure and good spark, good compression. Must be missing something, no codes. Help?	View
	1995 Chevrolet Corvette 5.7L Water pump drive seal leak VIN: 1G1YY22P4S Car came in for leaking water pump. Cust brought new A/C Delco water pump and new MSD distributor. After repairs water pump drive seal leaking. Replace seal twice with tool and it still leaks when car gets hot at cruise speed. Verified leak with dye. I've now ...	View
	2000 Chevrolet Express 1500 5.7L air conditio VIN: 1GBFG15R4Y This wonderful van makes 55 degree air sitting still at idle & goes even lower when holding throttle at 2000 rpm. Drive the van in 90 degree weather & after 5 miles or so the vent temperature goes to 72 degrees in small increments. Stop & idle in gear for a fe...	View
	2003 Chevrolet Silverado 1500 5.3L door switches VIN: 1GCEK19TX3 Left door module is totally inop: no locks, windows, mirror control. Replaced twice with salvage yard units. Noticed that these have a microprocessor below the switches, and am wondering if this needs to be VIN flashed to the truck...Have power and ground to t...	View
	2004 Chevrolet Classic LS 2.2L No Start VIN: 1G1ND52F94 At the ignition module intermdiate connector (this is where the module hooks to the coil tower) the noid light either doesn't flash or is dim and will not run. If the light is bright it runs. The issue seems to be the control (ground) ciruit for the coils is n... Trouble codes: B1379 (device ign 3 circuit), U1000 (loss of serial data for class 2), U1088 (loss of SRS/SDM comm)	View
	2003 Chrysler Sebring LX 2.4L battery VIN: 1C3AL46X53 alternator is charging, when start up its good few seconds all lights begin to flicker, tested battey it failed a loadtest, alternator is charging but going up & down 13.5-15.0 volts, we replaced alternator still dose the same thing, pcm is sending a 5.0 volts...	View
	1999 Dodge Ram 2500 5.9L Mechanical VIN: 3B7KF2660X Ok, here it goes this truck starts fine first thing in morning ,but if you run it for a short while and shut it off it has long crank time after that. This doesnt happen all the time , sometimes it will start right back up. No codes at all. I changed the engin...	View
	1997 Ford Mustang GT 4.6L Cuts out, Stall VIN: 1FALP42X6V Customer states the engine jerks and stalls. Found P0320 stored in event memory. Engine stalls only when hot, viewed wave form of crank and cam sensors... crank signal is dropping out erraticly. Found crank sensor bolt was broken. Cranks sensor was being held ... Trouble codes: P0320 (Ignition/distributor engine speed circuit fault)	View
	1999 Ford F53 6.8L radiator VIN: 3FCNF53S0X Original owner of motorhome- History- drove motorhome to Bristol in Aug. 2010 ambient temp @85 degrees- when going over the mountains vehicle started to overheat- never heard clutch fan engage- got to Bristol from NY and installed auxiliary fan Made trip back ...	View
	2000 Ford Explorer XLS 4.0L No Start VIN: 1FMZU62X3Y Hope someone can point me in the right direction. Have a 2000 ford explorer that after it sits in the heat (problem occurs mainly in summer time) will crank and not start. If you slightly twist ecm connector vehicle will start. Loses injector pulse. removed co...	View
	2000 Ford Ranger XL 4.0L Camshaft Sprocket VIN: 1FTZR15X3Y This is a overhead valve engine,single chain up front.I pulled front timing cover & cam bolt broken & keyway sheared off.I can turn camshaft around 360 degrees.. My question for you Is this an interference engine & if the camshaft is not seized,would you repla...	View
	2001 Ford F-350 Super Duty Lariat 7.3L VSS signal VIN: 1FTNW21F81 Rebuilt transmission will no be guaranteed unless PCM shows Vehicle speed for proper shifting. PCM does not detect VSS signal. Scanner PID for VSS is always zero and after driving a little, code P500 sets. Speedometer works perfectly. No ABS codes present. VSS... Trouble codes: P0500 (vehicle speed signal)	View
	2003 Ford Taurus LX 3.0L no crank at times VIN: 1FAFP55213 Thanks in advance for giving this a look. Have been all over this car and still missing something. Very intermittent the car will not crank and the theft light flashes fast, sets code B1681. I have volt dropped the power and ground circuits, checked the resist...	View
	2004 Ford E-350 Super Duty 5.4L Stall VIN: 1FTSE34L94 This vehicle will stall after it is warm and driven for 30 minutes. Sometimes as ypou approach a stop but more when going from drive to reverse in a parking lot.	View
	2010 Ford F-150 FX4 5.4L Surge VIN: 1FTFW1EV7A 2We replaced B1S2 oxygen sensor. Cleared codes and code 2096 came back after short drive test. Monitoring both post cat 02 sensors, B1 sensor reads .65 - .72 and B2 sensor reads .42 - .48 at idle. Not sure where to turn next. Appreciate any help you can provid... Trouble codes: P2096 (Post Catalyst FT system too lean Bank 1)	View
	2000 GMC Sierra 1500 SL 5.3L Solenoid A VIN: 1GTEK19T5Y Thank you for taking the time to help. The customer complained about shudder during take off, slipping, and shudder during TC lockup. We've been talking about needing to rebuild this original unit before he can trust it towing a 10000lb travel trailer. Before ...	View
	1989 Honda Civic LX 1.5L Cuts out, Misfire VIN: 1HGED365XK To Honda spec. out there need help. Working on this Honda. When in its warm up cycle mostly first thing in morning will get a tach jump and cut out of engine for split second. This only happens at idle. After engine warm will not do it. Have disconnected tach ...	View
	2006 Honda Civic EX 1.8L Throttle body VIN: 1HGFA16886 This car has got me going for a loop! So a while back it came in with an erractic idle. Checked for leaks.. none found.. cust wanted 150k service... replaced PCV adjusted valves and also replaced AFR sensor and [...]. the erractic idle is still there! now...	View
	2000 Hyundai Tiburon 2.0L crank but no start VIN: KMHJG25F1Y hey guys, this Tiburon has been a headache, complaint is the car will go into a crank but no start mode, 1st time this happened customer was at the store said a civilian walking by poked at a few things and after a few min it started, the next time 4 days late...	View
	2006 Hyundai Sonata GLS 3.3L Misfire, MIL Lamp on VIN: 5NPEU46F36 Car came in with a check engine light on and a misfire intermittently. Did all the basic test,comp, spark, fuel pressure, injector pulse. all seemed good at first. When miss occured #6 injector pulse dropped out. Testedright at computer, no cround signal. Put ... Trouble codes: P0300	View
	2001 Jaguar S-Type 3.0L electric struts VIN: SAJDA01N51 Jag came in with very harsh ride. We replaced struts with Jaguar factory new, and now the ride is bouncy over smooth roads and "cats system fault" light is on dash. Mitchell has no info. I searched Identifix and they linked fix to IATN's site. I read through a...	View
	2004 Jaguar XJ8 4.2L Cmpressor VIN: SAJEA71C54 Ac compressor clutch reads 4.2 ohms. With compressor unplugged, i get power and ground at the plug, however as soon as i plug it in the power drops to 3v and the compressor does not engage. Power and ground to the ac control module is good. This module direct...	View
	1999 Jeep Wrangler Sport 4.0L Poor Idle Quality VIN: 1J4FY19S1X hello Everyone, I have this Wrangler dad won't reset the readiness monitors. it seems like the ECM is resetting every ignition cycle. I have no codes in the system at all. the other strange thing I notice is that it has no evap monitor.indicates not supported....	View
	2000 Jeep Cherokee Sport 4.0L No Start VIN: 1J4FF48SXY thanks to all responces in advance any help b greatly apprechiated.have a 2000 cherokee in shop for engine swap came in running engine knock pulled engine installed crate engine.all was well untill trying to start .sounds like timing is out have tried both sty...	View
	2004 Jeep Liberty Sport 3.7L Left front brake VIN: 1J4GL48K64 Customer complains of left front brake getting hot and smoking. I replaced pads, rotors, and calipers. Still has issue and customer now states that this has been an on going problem since before she brought it to us. Vehicle only has rear ABS. Was wondering if...	View
	1999 Land Rover Range Rover SE 4.0L trans or diff VIN: SALPV1245X We got this land rover in and sometimes while driving and (usually turning) the front tire will lockup. We have removed the front drive shaft to eliminate the brakes and now it doesn't seem to lockup anymore. Has anyone had this problem before, and where shoul...	View
	2001 Lexus ES300 3.0L Engine VIN: JT8BF28G71 Thanks in advance for assistance on this es 3oo. The vehicle came to the shop for an idle stumble, low idle when started,after vehicle is driven it gets better. Then when you restart it, it would intermittently run rough at idle, the engine had a tapping noise...	View
	2003 Mercedes-Benz E320 3.2L MIL Lamp on VIN: WDBUF65J93 Hopefully someone can/will help me with this. p203a is stored, fuel gauge is inop. Rear SAM is reporting fuel level signal is implausible. Data stream from SAM with the Maxidas reads level is 255%.(this data could be inaccurate as the Maxidas is like that s... Trouble codes: P203A	View
	2007 Mercedes-Benz C280 4Matic 3.0L Tire Wear VIN: WDBRF92H57 Car has went through several sets of tires with-in a short period of time. Aligned and put new set of tires on. ALL Suspension parts ok check over thoroughly. Customer came in with car blew a front tire out. inside edges EXTREMELY worn right into cords both si...	View
	2006 Mercury Mountaineer Luxury 4.6L MIL Lamp on, temperature gauge h Alright fellas, this one has me stumped. Truck came in for an intermittent over heat. Pulled a code for the head temp sensor and verified with voltage readings at pcm. Replaced the sensor and test drive about ten miles and all seemed well so we turned it over ... Trouble codes: P1285	View
	2006 Mini Cooper S 1.6L Cooling Fans VIN: WMWRH335X6 Hello all. I have a 2006 Mini Cooper S JCW that is exhibiting very strange Cooling Fan symptoms related to operating the A/C System. Initial customer concern was the Cooling Fans operating more frequently than she remembered from the past. I initially pursued ...	View
	2006 Nissan Quest SL 3.5L MIL Lamp on VIN: 5N1BV28U86 I have a recurring code P2A00. Code was cleared and returned, inspected exhaust and for vacuum leaks, no problems found so replaced Bank 1 fuel/air sensor. Code has returned again. Only exhaust leak found is in back of 2nd muffler way downstream of air/fuel se... Trouble codes: P2A00	View
	2007 Pontiac Grand Prix 3.8L engine VIN: 2G2WP55227 Greetings, Hoping for some help on this one. The problem we have is vehicle is smoking out of tailpipe. This car belongs to a used car lot. 3 months it had a check engine light on and the engine was misfiring. We found low compression on 1 cylinder and leakag...	View
	2008 Pontiac Grand Prix 3.8L Surge VIN: 2G2WP55248 This car has a surge that I can't pinpoint the cause of. It occurs only while under light load, usually while going uphill. And only between 50mph and 65mph. It doesn't appear to be a misfire, only a 100-200 rpm surge. There are no codes stored, no misfires sh...	View
	2006 Porsche Cayman S 3.4L key locked in t VIN: WP0AB29876 I have this Porsche Cayman in the shop that the customer has locked his keys in the front trunk. I have already tried the "red fuse" slide out connector for opening front and rear compartments with a dead battery. However the battery is not dead on this one an...	View
	2001 Subaru Outback L.L. Bean 3.0L Poor Idle Quality, Stall, Misfire, MIL Lamp on VIN: 4S3BH80661 ATTENTION SUBARU TECHNICIANS...this vehicle came in last week and we did brakes and a battery. customer now states that since we did the work the car stalls and idles poorly and the check engine light is now on. its has misfire codes for 1,3,5(all on one bank)... Trouble codes: P0301, P0303, P0305	View
	2007 Subaru Legacy 2.5i Special Edition 2.5L Hesitation, MIL Lamp on, <4000rpm VIN: 4S3BL61657 This car came in with a low power complaint and would not exceed 4000 RPM. I have lost the documentation of the first scan test but it directed me to the VVT solenoid bank #1 which I replaced with a factory part. My inexperienced technician tightened the VVT p... Trouble codes: P0082 (Int. valve control ckt. low voltage bank 2)	View
	1984 Toyota Camry DLX 2.0L No Start no start, spark normal fuel pressure 38 psi . spray starter fluid will run. check fuel pulse with noid light none check voltages and grounds to ecu normal at present. check wiring ecu whit and yellow wire 3.0vlt with key on at cranking up to 12vlts no flash un...	View
	2002 Toyota MR2 Spyder 1.8L Compressor VIN: JTDFR32042 Have this Toyota in the shop for no ac and AC button light flashing. Found the compressor would engage for a couple of seconds then shut off. Tried a known good, updated clutch relay with no change. I can jump the relay and force the compressor to run. Found a...	View
	2005 Toyota Corolla CE 1.8L Anti Theft VIN: 1NXBR32E85 Code p2799 sets in ecm that was just replaced performed relearn again and still no start and code sets imobilizer data shows no codes and is disabling starting any help would be great was thinking about reflashing pcm due to the fact i found out this pcm was a...	View
	2007 Volkswagen Jetta 2.5 2.5L Everything on circuit #15 VIN: 3VWSG71K97 We have a 2007 Jetta 2.5 BGQ automatic that came in for some tires and the next day the battery was dead. After charging the battery we found excessive parasitic draw that would pulse from less than 30ma to over 2A about every 30 seconds. In the course of isol...	View

Fixes & Summaries for All Makes and Models

	Fix/Summary	Answers
	2003 BMW 325i 2.5L Surge, MIL Lamp on VIN: WBAET37403 well guys i thank you all that reply, i end up replacing the vent crankcase valve with all four hoses and problem got fix got rid of the smoke and lean codes.. had to run the car four about 100 miles before all the smoke disapear! Trouble codes: P0171, P0174.	23
	1997 Chevrolet Blazer 4.3L Power windows VIN: 1GNCS13W4V Thank you to all who replied! You guys hit it right on the head. Pulled down the cover and was able to duplicate the problem. Installed new one and the problem is gone for now. Thanks again! Abe	7
	2007 Chevrolet Equinox LT 3.4L Electric Power Steering VIN: 2CNDL73F97 Vehicle is fixed. On this style of GM electric power steering assist system, the steering angle sensor is part of the motor that bolts on the column. Separately there is a torque sensor inside the column. This Equinox would not allow the Tech2 to calibrate t...	5
	2003 Chrysler Sebring LXi 2.7L Starting VIN: 1C3EL56R93 I have to thank every one for helping me out, you were all right when you said its the wrong engine I got from the junk yard. We ended up changing the flex plate and then it fired up. Expensive lesson learned here. I am so thank full to the IATN members for th...	34
	2002 Dodge Ram 1500 ST 5.9L compressor clutch VIN: 1D7HU18Z62 thanks to all that helped with this problem, unfortuneatly i could not get any help from the owner to diagnois the problem. he fixed it with a roll of wire and a toggle switch to turn the compressor on and off. when i go visit i will try to fix the proper way....	20
	2001 Ford F-350 Super Duty Lariat 7.3L abs VIN: 3FTSW31F81 HI, EVERYONE. THANKS TO ALL OF YOU GUYS FOR YOUR HELP.FINALLY WE GOT THIS BABY OUT OF HERE! AFTER A LONG PROCESS AND TRYING DIFFERENT THING, ONE OF THE GUY SUGESTED TO CHANGE THE NEW LEFT FRONT HOSE!! SO WE DID. WE HAD NEW DEFECTED BRAKE HOSE. THANKS AGAIN...	32
	2002 Ford Ranger Edge 3.0L MIL Lamp on VIN: 1FTYR14U62 Well folks, I am closing this request so I can post what I have found so far. Since I made a bone head move and didn't specify some details such as fuel trims are negative. This truck does not have EGR, Also found that fuel filter has 3 lines on it so there mu... Trouble codes: P0172 (Bank 1 rich), P0175 (Bank 2 rich).	12
	2006 Ford Freestar SE 3.9L Bearing Thanks too all. The bearing is happy and this one is fixed. I guess we just don't pay enough for reliable literature. And always better safe than sorry	11
	2006 Ford Fusion SE 3.0L door lock,windows, VIN: 3FFAP08126 Well,thanks to all that helped. After staying after hours and checking for short to ground in body harness etc.. I found the last component on the circuit I failed to check accurately was the vanity lamp on the visors. I had unplugged the bulbs but didn't pull...	3
	2004 Honda Civic Hybrid 1.3L Hesitation, Surge, Cuts out, Misfire, MIL Lamp on VIN: JHMES96554 hello, techs. thanks to those who had info to add. unfortunetly the owner has chosen not to repair the vehicle at this time. after further inspection, we have determined that the problem is most likely transmission related. $6000 plus, must have been a hard pi... Trouble codes: P0300, P0301, P0302, P0303, P0304.	12
	2006 Honda Civic EX 1.8L pressures VIN: 1HGFA16826 I thank you all for contributions. I cleared my head and started from scratch. The condition was nearly impossible to duplicate in the bay. But, under a spike in RPM, the low side would go near 0PSI for a second or so. Lower than normal I suppose... Since...	24
	2000 Lexus RX300 3.0L abs VIN: JT6HF10U4Y well by using a dvm found that the r/r sensor was reading higher than the other three. just as it was said it was backing out due to rust and fell apart, put new one in and reset codes. test drove and it has no issues, thanks to all who replied.	8
	2007 Mazda RX-8 1.3L Unknown so far customer didn't come back again, I assume fulfill his satisfaction. -^^- Thank you very much for all the members who participate this discussion.	7
	2008 Mazda 3 S 2.3L Idle fault VIN: JM1BK34428 Well this one is fixed. What I did was start over with the basics. If I back-probed the connector on the throttle body I had my ground, 5V ref and both TPS signals, But not my command from the PCM to open the throttle plate. That comes from the black and white... Trouble codes: P0638 (Throttle control range/performance fault), P2112 (TAC performance problem).	2
	2001 Mercedes-Benz C240 2.6L Seats VIN: WDBRF61J91 I replaced The SRS Center Module and all codes cleared and the seats all began to work and operated properly. thank you for input	4
	2004 Mercury Monterey 4.2L No Start VIN: 2MRDA20234 I shot myself in the foot with this one, I believe the code for the fuel delivery module was set by me checking inertia switch with key on.being able to run engine on carb spray led me to believe fuel pump was at fault.no test port on fuel rail.finally I looke... Trouble codes: P1233.	5
	2006 Pontiac G6 2.4L No Start VIN: 1G2ZF55B86 after several hours of test . it was a hard failure of the theft detterent module. new module and programming it good to go. thanks iatn menbers Trouble codes: B1325 (ignition 1 voltage), P0650, P1682, P0690, U2137.	5
	2006 Pontiac Montana SV6 3.5L Hesitation, Stall, VIN: 1GMDV33L56 Had to send this one out for help the gm dealership solved the problem with anew bcm thanks for all the help	7
	2004 Saab 9-3 Arc 2.0L Ignition Coils VIN: YS3FD45Y04 Thanks for all of the replies. After chasing our tail on this car I believe it to be a bad ecm or wiring harness. Found that in addition to no spark, the fuel pump is operating backwards and pushing not pulling fuel. off to the auction she goes I guess. Th...	10
	2002 Toyota Avalon XLS 3.0L engine VIN: 4T1BF28B82 have finished with this vehicle, fix was to remove engine, replace rings and clean pistons,replace rod bearings,valve job with stem seals of course. removed baffle plate on rear valve cover and clean packed in oil debris reinstalled plate with sheet metal scre...	27
	1997 Volkswagen Jetta GLX 2.8L Poor Idle Quality, MIL Lamp on VIN: 3VWTD81H4V OK guys, I'm not going to know if cleaning the throttle body is going to take care of this 97 VR6. Like I said it's my buddys girlfriends car. I will be working on it and making it right as long as they have it. I am a lot better off now with the help I receiv... Trouble codes: P0120 (Tps), P1582 (undocumented).	5

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