Automotive Technicians Technical Discussion and Fixes for Jun 13, 2013

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Open Help Requests for All Makes and Models

	Help Request	Answers
	2005 Audi A6 Quattro 4.2L engine VIN: WAUDL74F05 running 5w30 synthetic. system full. when first started can hear a deep knocking noise from front of engine more toward drivers side(isolated engine ear) can't seem to hear anything from the rear where the timing chains are. If it is restarted within 30 min, n...	View
	2006 Audi A4 Cabriolet 1.8L leaks at front and rear of engine VIN: WAUAC48H76 The car has a bad oil leak, customer was adding a quart of oil every 60 miles. Oil was every where, seemed worse at rear of engine. I changed the chain tensioner gasket and looked at the cam seal, which is dry. I also replaced the pressure regulating valve for...	View
	1997 BMW 528i 2.8L 2-3 shift VIN: WBADD6323V Transmission was going into limp mode intermittently and would set fault code 0064 EGS: Gear monitoring (OBDII: P0730; EUIII: P0730). Technician was unable to verify any slip when vehicle was in the shop. Checked fluid level and condition. Level was OK. Fluid ...	View
	2000 BMW Z3 Roadster 2.5L Hesitation, Cuts out, MIL Lamp on VIN: WBACH9340Y Vehicle drives fine until hard acceleration then cuts out and sputters. MIL turns on. Alldata has not much info..of course. any help would be awesome.. thanks!!! Trouble codes: 117 (Pedal travel signal inconsistant), 118 (Throttle valve signals inconsistant), 169 (Throttle valve system switched off)	View
	2004 BMW 330Ci 3.0L rotors VIN: WBABD53464 Hello Guys, this is actually the second car that I do a routine test drive and notice the brakes are warped 6 months to a year after replacement. Both drivers claim to not over load the car or go down hills on a regular basis. The first customer was an x5 and...	View
	2007 BMW 530xi 3.0L airbag sensor VIN: WBANF73567 scanned the code it says 93c9 airbag front sensor, front passenger's side. cant find anything on it. is this the occupancy sensor or the impact sensor?	View
	2000 Buick LeSabre Custom 3.8L windows VIN: 1G4HP54K1Y there is no communication with any door module except for the drivers door.Tested the simple bus interface and the circuit is open from the drivers door to to any other door.(it is a four door).There is no simple bus schematic on alldata which is the only repa...	View
	1994 Cadillac Eldorado 4.6L 4th tcc engagment VIN: 1G6EL12Y2R As I understand it this tranny has a sealed silicon filled torque converter, The code indicates there is a problem with the solenoid engaging, or the wiring to it, Worst case the converter is contaminated with ATF. I'm looking for a fix other than tearing it a...	View
	1999 Chevrolet Tahoe LS 5.7L No Start VIN: 1GNEK13R7X help!! Trouble codes: P1336	View
	2008 Chevrolet Malibu LT 2.4L No Start VIN: 1G1ZJ57B88 Towed in no start. car has start-stall symtom. Add fuel stays running. Unplug cam sensor and car runs. new sensor still start -stall. sensor unplugged, car starts, will stay running when plugged back in.Clear codes while running and stalls and returns to start...	View
	2008 Chevrolet Colorado WT 3.7L Engine Compression VIN: 1GCDT19E38 Thank you for your help on this one. At first it looked like simple timing chain issue but now that we have the valve cover off, we can see that the cams are lined up when we have the #1 piston at top dead center. We are pulling the front timing cover off righ...	View
	1999 Dodge Ram 3500 Van 5.2L return to center VIN: 2B7KB31Y0X The owner replace front frame rails, after that the steering wont return to center. We replace siezed idlers,both lower ball joints,we replace steering box with a cardone, replaced that with a used one, replace power steering pump still no change. The tires ar...	View
	1990 Ford Mustang GT 5.0L Cuts out, Misfire VIN: 1FACP42E5L OK i don't usually work on this kind of car {fuel injected engine in a old car} but heres what ive found so far the car came in and was flooding with no power and not charging so i dusted off the old break out box and started checking circuits first thing is t...	View
	1998 Ford F-150 XL 4.2L Hesitation, Surge, Stall, Misfire, MIL Lamp on VIN: 2FTZX1720W I inherited this truck from another shop, they replaced cmp, ckp, coils, plugs and fuel filter. Tried driving down the street and it starts bucking and jerking and I barely made it back to shop. Checked codes and found P1747 epc solenoid circuit, read somethin...	View
	2003 Ford Thunderbird 3.9L Timing Chain VIN: 1FAHP60A03 At start up there is a distinct rattle for about two to three seconds coming from the drivers side valve cover.This sounds like a chain rattle.If I restart the engine the noise is not there and the engine runs smooth. .	View
	2008 Ford Taurus X SEL 3.5L pcm reprograming VIN: 1FMDK05W68 car came in needed the pcm replaced due to coil driver bad in module, received new module from ford went to program the new unit using motorcraft fmp software and pass through device. came up wit a error before completetion. when I restarted the program it rec...	View
	2001 GMC Sierra 3500 SL 6.6L No Start, Cuts out, Stall VIN: 1GTJK34111 Vehicle came in after friend installed fuel injectors and sleeves. The person that did the work forgot to install the glue on the base of the injector sleeves. I installed the injector sleeves with the glue but did not clamp them down with the injectors right ... Trouble codes: P0463, P0540, U1800 (Lost Comm with FICM)	View
	2007 Honda Civic DX 1.8L refrigeration VIN: 2HGFA16347 The ac on this vehicle is intermittently working, every time we have it it's working ,so much for checking the power to the clutch, etc...customer said when it cuts out the fans are working but the compressor is not coming on. Our customer is dependable as it ...	View
	2007 Honda Fit Sport 1.5L door locks VIN: JHMGD37677 Hi all, 2007 Honda Fit Sport; Customer has had this problem for years now and no one, including the local Honda dealer, seems to know what the problem could be.. Only when the key is left in the ignition, when the driver door is closed, all the doors will u...	View
	1996 Jeep Grand Cherokee Limited 4.0L Misfire VIN: 1J4GZ78S8T Hello Techs. This jeep was towed in as a no start. I replaced crank sensor with a napa brand. cs611 was part number. Jeep then fired up but I could not drive it would stall as soon as put in gear. We then checked spark plugs and they had a gap of .90 and they ... Trouble codes: P1391	View
	2005 Mercedes-Benz C230 Kompressor 1.8L Steering VIN: WDBRF40J35 Following repairs listed, noted there is an odd oscillation sensation in the steering wheel when KOER and turn/hold steering wheel any more than about 45deg off center left or right. This sensation can be felt any time there is steering wheel rotation pressure...	View
	2008 Mercedes-Benz C300 4Matic Sport 3.0L gauges VIN: WDDGF81X48 the temp. gage will go all the way up sometimes. is not overheating. I have a snapon scanner. I can do a sweep of all gages. they all seem to be find. what i'm looking for is there a sending unit like American cars. I can't find one in Mitchell.	View
	2004 Mitsubishi Diamante ES 3.5L alarm VIN: 6MMAP57P04 This vehicle has an alarm with a mind of it's own, it just comes on for no reason and stops after a few minutes, may do it 2-3 times in the day. No codes in system but has no available data for alarm system, this is a factory alarm. Really need some info on di...	View
	1991 Nissan 300ZX 2 2 3.0L Upper Intake VIN: JN1RZ26H0M Hey Gang, I have this old 91 Nissan 300zx 2+2 non turbo and I have to do all 6 injectors. I'm having a heck of a time getting the upper intake manifold off. I've never done one of these. Can you put me in the right direction of the best way to get this off. Ob...	View
	2000 Nissan Altima GLE 2.4L steering VIN: 1N4DL01D1Y My customer brought in his Altima with a noise concern. I found that there is a loud vibrating/rattle noise coming from the power steering pressure hose that comes right off his p/s pump. It is more noticable in gear(automatic) with a slight elevated idle. Whe...	View
	2000 Pontiac Grand Am SE 3.4L Misfire, MIL Lamp on, ABS, Trac VIN: 1G2NF52E8Y Vehicle came in with several issues the first to be dealt with was the intake gaskets, after that was squared away the misfire became more prevalent. So we did a tune up and all is well on that side of it. Heres where it get sticky. When I test drove it sev... Trouble codes: C1226 (RF Wheel Speed Performance), P0300 (Misfire)	View
	2003 Saturn Vue 2.2L Clutch VIN: 5GZCZ23D13 Slave Cylinder Started Leaking But Trans. Shifted All Gears With No Problems. Replaced Slave With Centric Brand And Have Spent Hours Bleeding (Or Trying To Bleed) This Thing. Done The Vacuum Bleed, Tried The Saturn Procedure Of Pumping Slow Then Pumping Fast T...	View
	2004 Saturn L300-3 3.0L torque converter VIN: 1G8JL84R94 Looking for some insight on this Saturn. Driving at cruise speed any light lift on the accelerator pedal causes torque converter to kick out and then kick right back in. It shows on the tach as a momentary jump in r.p.m. It seems to do it at any speed as long ...	View
	2008 Saturn Astra XR 1.8L Mechanical VIN: W08AT67138 The customer wants us to do a timing belt on his car and I am just wondering if you really need all of the specialty tool Mitchel says you need. I've read the instructions and don't see where there is a real have to have tool except for maybe the cam holder (f...	View
	1996 Volkswagen Passat TDI 1.9L belt VIN: WVWGG83A9T Car was towed in, belt off/shredded. Tensioner pulley was loose/wobbling and noisy. Replace tensioner pulley and belts, every thing looks okay except-- does the tensioner usually bobble with a TDI? I know on my 7.3 the tensioner bobbles- diesels pulse rather t...	View
	2007 Volvo XC90 3.2 3.2L Mechanical VIN: YV4CZ98277 vehicle acts like torque converter is locked in all time. hard shift into reverse and drive, then tries to kill engine when vehicle is at stop if you allow it to move its pretty much ok, vbx states that stuck on tcc solonoid or circuit is commom to aw80 trans,...	View

Fixes & Summaries for All Makes and Models

	Fix/Summary	Answers
	2001 BMW 325i 2.5L Electronic VIN: WBAAN37411 Transmission was removed and thoroughly inspected by the builder we use. The front pump bushing is slightly damaged. We are awaiting a new pump to install and see if this takes care of problem. We noticed the big cover plate at rear of engine was left off when...	6
	1994 Chevrolet Cavalier RS 2.2L Poor Idle Quality, Misfire VIN: 1G1JC1442R This one is fixed! I would like to thank everyone who responded, 34 responses in two days! The culprit was the intake manifold gasket, oddly neither carb spray or propane would change anything, finally hooked up the smoke machine and viola, smoke coming from #...	34
	2001 Dodge Dakota Sport 4.7L No Start VIN: 1B7GG22N41 Final fix on this vehicle was the pcm. After installing, I checked the 5v signal and saw no problems. It started right up, is not setting any codes and data stream looks good too. I hate to say it, but I think the rebuilt pcm was just not up to par. By the way...	16
	2001 Ford Escape XLT 3.0L warning light VIN: 1FMYU04161 I would like to thank IATN members who took their time to respond to my post as a couple of responces said the method used to retract pistons was a problem that caused another problem.At this time the vehicle owner does not have the money to repair the system ...	14
	1996 GMC C3500 Sierra SL 6.5L Hesitation VIN: 1GTHC33F0T Long story short, we hounded the manufacturer for another pump and WA LA ! Sometimes it is just a bad re manufactured unit. Problem fixed !!! Trouble codes: 1218 (Injection pump).	5
	2002 Honda Accord EX 2.3L Poor Idle Quality VIN: 1HGCG55642 thanks everyone for taking the time to respond.first i blocked off egr valve and idle problem was still there. i ended up resetting the base idle to where it was supposed to be . then just for giggles i removed the throttle body and the iac motor.i have never... Trouble codes: P1491.	11
	2003 Jeep Grand Cherokee Laredo 4.7L No Start, Stall VIN: 1J4GW48N73 Removed Pcm and opened lid up. Found all 3 coil drivers have been hot enough to melt the insulating gel and have brown marks. Replaced PCM and CMP sensor to ensure proper dwell time. Car ran good with no stalling but developed misfires on #5 and starting to mi... Trouble codes: P0340 (No CKP signal).	18
	1997 Lexus ES300 3.0L Rear Suspension VIN: JT8BF22G6V Well, customer needed car and so we had to give it back without a fix. I am still at a loss as to what the cause was. I tried everything that was suggested several times and short of changing every part in rear end, nothing helped. Sorry I can't be of more hel...	20
	1998 Lincoln Town Car 4.6L No Start VIN: 1LNFM81W6W thanks fellow tech looks like pcm shorted i unpluged harness and pcm had burt smell will be replacing pcm in the morning thanks for the help fellow techs.	7
	2008 Subaru Legacy 2.5i 2.5L Ecm VIN: 4S4BP60C28 Thanks for the replies everyone.I am going to close this tech question for now.The customer decided he did not have faith in the car since water intrusion and it not starting up to this point.He has surrendered the car to me.I will continue to try and figure o...	6
	2005 Toyota Camry 2.4L Parking lock VIN: 4T1BE30KX5 Thanks for all your help. Drop the pan and valve body and found the culprit. The pushing rod tip was bend causing the cone to binding and cannot slide all the way to push up the parking pawl for locking the gear. After straighten the tip, the cone slide all th...	5
	2005 Toyota Camry 2.4L Mechanical VIN: 4T1BE30KX5 Yes, after dropping the pan and valve body,I saw the push rod tip was bent, causing the sliding cone to bind and not touching the parking pawl level for locking the gear. Straighten the tip and all works well like it suppose to be. Appreciated to all of you f...	4

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