Automotive Technicians Technical Discussion and Fixes for Mar 7, 2013

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	Help Request	Answers
	2006 BMW 760Li 6.0L long crank VIN: WBAHN03576 Customer complains of hard starting. We found it takes about 8-10 seconds of cranking before engine starts after sitting several hours. We cycled the key twice after sitting overnight and problem did not happen. Checked fuel pressure on both banks using GT1 - ... Trouble codes: 276D	View
	2003 Buick Rendezvous CX 3.4L Starter VIN: 3G5DB03E93 Vehicle came to me with no starter engagement. Customer stated he could jump across starter and it would crank and start. That is how he got it to me. First thing I did was to verify complaint and hook up scanner to see if I was getting starter request with th...	View
	1998 Chevrolet K1500 Silverado 5.0L upper control arm bushing This is a Waldoch conversion with Trail Master suspension. Trial Master has been sold, the new company does not have any replacement parts and as of right now has no plans to produce them. The Trail Master part numbers are: 911009 & 911010 for the control arms...	View
	1999 Chevrolet Tracker 1.6L Cuts out, Stall, Misfire VIN: 2CNBJ1865X This tracker cuts out after driving about a mile from a cold soak. It will jerk and die at Idle or when accelerating hard and the rpms are over 3500. When this happens the tack drops to 0 and the mil light comes on for a split second, Then things return to nor...	View
	2001 Chevrolet Monte Carlo SS 3.8L All gauges, radio and DIC VIN: 2G1WX15K61 The IPC, radio and DIC will quit working intermitantly. It only acts up for a few seconds usually. The traction light, battery and low fuel message come on when it acts up. The service traction control message and trac off light stay on even when every thing g...	View
	2001 Chevrolet Silverado 2500 HD 8.1L Noise from off idle to 1300 rpm VIN: 1GCHK23G61 There is a noise coming from the front of the transmission that sounds like a dry bearing or dry u-joint squeek. I expected to find a belt tensioner/pulley before I opened the hood. It starts as soon as you come off idle to about 1300 rpm. Will do it in any ge...	View
	2001 Chevrolet Silverado 3500 LS 8.1L Hesitation VIN: 3GBKC34G41 This truck was towed in with no response from throttle pedal and idles fine. Has code p1518, Found that IGN-E 10 amp fuse was blown. Replaced fuse and cleared code and was fine for 8 to 10 seconds until fuse blows again. Circuit is drawing 9-15 amps and varies...	View
	2005 Chevrolet Cobalt LS 2.2L Transmission Control Module VIN: 1G1AL52F05 Hi all I have this Cobalt that has no communications with the TCM. I can communicate with all of the other modules. I have 61ohms across terminals 6 and 14 which is good. All power supplies are there and ground is good. I thought it was the TCM. I tried a know...	View
	2007 Chevrolet Aveo LS 1.6L Misfire VIN: KL1TD65657 So this Aveo is a used car on the lot. Didn't run good when we first got it but was low on fuel and then ran fine. So it sat on the lot for a while then sold it but noticed coolant leak before it got picked up. So we changed the timing belt and water pump. So ... Trouble codes: P0300 (Random cylinder misfire), P0301 (Cyl 1 misfire detected), P0304 (Cyl 4 misfire detected)	View
	2004 Chrysler Pacifica 3.5L MIL Lamp on VIN: 2C8GF68494 Hi everyone, I am replacing the EGR valve on this vehicle because check engine light is on and has bad position sensor in EGR valve, when I did the flow test with the old valve the engine would stall, now with the new valve it does not do that anymore, the val... Trouble codes: P0401 (EGR system performance)	View
	1998 Dodge Ram 3500 8.0L Oil consumption VIN: 3B7MF36W6W Greetings!!! We have in this Dodge dually that the customer is complaining of excessive oil consumption. He states that normal driving it will use about 1 qt. of oil in about 300 miles. But when towing with a 5th wheel, it can use 1 qt. in about 100 miles. He ...	View
	2000 Dodge Durango 4.7L Poor Idle Quality, Cuts out, Stall, Misfire, Poor Fuel Economy, MIL Lamp on VIN: 1B4HS28N4Y Vehicle has a rough idle, stalls, worse cold than warm, has P1391 code for intermittent cam and crankshaft data. Have replaced both cam and crankshaft sensors, cannot find any electrical damage of the plugs or harnesses. Scanner shows that the cam an crank pul... Trouble codes: 1391 (Intermittent loss of cam and crankshaft data)	View
	2001 Dodge Grand Caravan Sport 3.3L cruise control VIN: 2B4GP44371 No cruise working!!! Multiple tests have been done at this point...Drive scan shows that none of the PID'S are changing during cruise operational testing, ala...On/off...set/resume etc. Scan tool shows 5v reference to on/off switch but does not toggle the sca...	View
	2001 Dodge Grand Caravan Sport 3.8L Pcm VIN: 2B8GT44L41 Came in as a no start. replaced pcm and it started but died intermittently. When it dies it has no spark or noid. PCM is not sending out an 8 volt supply to the cam or crank. The ASD relay kicks on for about a second then shuts off. Have checked cam and crank ...	View
	2006 Dodge Ram 1500 TRX4 5.7L Headlamps flicker VIN: 1D7HU18206 Hi there and help with this mystifying mystery. I have this Dodge truck in for headlamp issues. The customer states that he was coming from Arizona at night and he and his wife both noticed the headlights would flash on and off as they drove. Not going dim, ...	View
	2010 Dodge Grand Caravan SXT 4.0L Cuts out, Stall VIN: 2D4RN4DX8A Good day people, I have this Caravan that intermittently stalls/cuts out while driving down the road. The client first reported that this is a decel stall. So I cleaned the throttle plates which seem to fix it for about 2 weeks. Then the stalling started again... Trouble codes: C121C	View
	1995 Ford Escort LX 1.9L Cooling VIN: 3FASP13J1S Just wondering here since gas is 3.75 and this car runs,drives,shifts fine...The heater core is leaking and its a steering,dashboard,center console removal & 7 hrs shop time I think, I have no issue doing it,just wondering if anyone has ever short cutted it li...	View
	2001 Ford Mustang 3.8L Speedo jumps to 120 VIN: 1FAFP44411 I have one i haven't seen before...The speedo goes up to 120 mph at approx speed of 30 mph...When it hits 120 mph car cut's out as if the chip is shutting down engine.I have ohmed out speed sensor and a new one was installed, to no avail!! Idea's please?	View
	2002 Ford Ranger Edge 4.0L Cuts out VIN: 1FTZR45E62 Hello Everyone, this Ranger has me stumped. The Customer Stated that when driving along in tyhe snow, when a plow would pass him the snow cloud from the plow would make it cut out for 1 to 2 seconds, it has progressivly gotten to the point of when there is a s...	View
	2004 Ford F-150 FX4 5.4L cam phazer/chain VIN: 1FTPW14544 Seeing this truck for the first time, came in running really poorly, had rich bank 1 and coil primary A codes present, scanner showed 56 degrees camshaft timing advance at idle on bank 1, normal bank 2, camshaft timing didnt change off idle bank 1, normal bank...	View
	2007 Ford F-350 Super Duty XLT 6.0L No Start VIN: 1FTWX31P07 This truck came in for a hard start when cold. Was running good when hot. It had 3 cylinder contribution codes. I replaced 3 injectors ( I did try to talk the customer into all 8, but couldnt). After repair the truck would run good cold but did have a long cra...	View
	2009 Ford Escape XLT 3.0L Fuel Tank VIN: 1FMCU93G79 Customer is complaining that he cannot put gas in. It kicks back at him while filling. We have come across older escapes that ford recommended a re-route of vent hose because of freezing but this vehicle does not apply. It has an easy fill system (no gas cap)I...	View
	1998 GMC K3500 Sierra SL 7.4L Poor Idle Quality, Cuts out, Misfire VIN: 1GDHK33J1W This vehicle is from one of my car lot accounts. Came to us with very rough idle, very low on power. Found #4 injector to be incorrect injector,replaced it along with a new fuel rail(hold down clips broken)still multiple misfires intermittently, always #4, and... Trouble codes: P0302, P0304, P0141	View
	2003 Honda Pilot EX 3.5L Mechanical VIN: 2HKYF18453 hi, i have this honda pilot has a sound from intake manifold, humming noise or like leaf blower sound.no vacuum leak truck runs great.any ideas thanks	View
	2001 Hyundai XG300 3.0L Poor Idle Quality, Hesitation, Cuts out, Stall, Misfire, Poor Fuel Economy This vehicle is a comeback from another tech. He replaced the throttle body and APS 3 weeks ago. Am told he had a P1191, P1193, P0120, and P0220. Came back last week and I got it. Codes were P1191 and P1193 soft codes, P0172 and P0175 pending codes. Unstable i... Trouble codes: P1191 (p1193-), P1193 (p0172-), P0172 (p0175-), P0175	View
	2003 Hyundai Sonata 2.4L Timing belt VIN: KMHWF25S33 This is my loaner car that I am simply hoping someone can shed some light on what happened and save me from chasing my tail. I started it to drive to my day job when it was -10 degrees Fahrenheit, and although it fired right up, I heard a bit of engine noise t...	View
	2001 Infiniti I30 3.0L idle/IAC We were unable to get the vehicle to idle correctly. Could not perform the idle relearn procedure. The vehicle would keep dying.	View
	1995 Jeep Grand Cherokee Laredo 4.0L Excessive Emissions VIN: 1J4GZ58S0S Hi All, Thanks in advance for the help. Have a 95 Jeep Grand Cherokee here. This is an OBD1 car with a single O2 sensor. Car has failed CA emissions 3 times for high NoX Car has NO EGR or timing adjustment Car failed smog the first time as follows: Co2%=...	View
	2004 Jeep Liberty Limited 3.7L Evic VIN: 1J4GK58K64 Vehicle came in with TPMS amber light on, dashed lines on right rear EVIC tire pressure display. Checked TPMS sensors, right front would not activate. Replaced right front TPMS sensor with quality aftermarket part. All 5 TPMS sensors trained, showing pressur...	View
	2003 Kia Sorento EX 3.5L battery drain VIN: KNDJD73393 This kia will drain the battery in 45 min if you leave the key in the ignition. With the key in the ignition the dash lights,marker lights and tail lights stay on. I'm not sure if this is how it works or not. I think that the ETACS (electronic time control sys...	View
	2010 Lexus RX350 3.5L door locks VIN: JTJBK1BA7A This vehicle door locks all function fine with interior switches and FOBS. Regular driving functions fine, hit passing gear or rapid acceleration and locks (already locked when put in Drive)try to continually lock. Come to a stop is drive or neutral mostly wit...	View
	2004 Lincoln Navigator 5.4L MIL Lamp on VIN: 5LMFU28R64 Well I have this thorn in my side called a Lincoln.The mil is on for the ever so common p0171 and p0174.I smoked the intake to start with and found the EGR valve leaking smoke.Now I know that's common on fords but how much of a leak is too much?The fuel pressu... Trouble codes: P0171 (Lean bank 1), P0174 (Lean bank 2)	View
	2008 Mercedes-Benz CLS550 5.5L steeering angle sensor VIN: WDDDJ72X68 Hello all, I have this CLS here for a ESP light, with a code for the steering sensor. I did the relearn and the light comes back right away. My question is for the actual disassembly of the column. I have removed the airbag, wheel and the three small screws f...	View
	2008 Nissan Xterra X 4.0L abs,n 4wd, cruise VIN: 5N1AN08W18 This vehicle has abs lights on and both codes noted above, after finding a broken wire in the harness and soldering it, still no signal on scanner from right front sensor, replaced right front sensor and checked reluctor wheel and wiring for open or short, sti...	View
	1996 Oldsmobile Cutlass Ciera 3.1L right rear brake VIN: 1G3AJ85M6T Replaced rear brakes on customer's car. Cracked shoes indicated brakes were dragging so we replaced wheel cylinder and also replaced brake hose. Installed new drums as well. Everything seemed to be in good order. A few weeks later he returned complaining of no...	View
	1999 Oldsmobile 88 Royale 3.8L No Start VIN: 1G3HN52K7X Car came in no start cked fuel pressure and had none replaced the pump and fuse then car would try to start but would die cked spark and good cked injector pulse it would pulse and then try to start then stop pulesing i cked the vts it has a constant 2.5 volts...	View
	2000 Oldsmobile Bravada 4.3L no start no spark VIN: 1GHDT13W6Y This was towed in for no start, step 1 was to check fuel pressure and has 65 psi and holds great. tested for spark and had no spark from the coil. followed the no start diagnostic tree and have a confirmed short to ground for coil driver circuit 439 (pink wire...	View
	2001 Pontiac Grand Prix GT 3.8L MIL Lamp on VIN: 1G2WP52K01 Car came in for check engine light p0172, check the fuel pressure regulator and was leaking, replaced cleared code and let car go. One week later the light is back on and is for the same code. Checked other post on iatn and found one post about a cat gutted ou... Trouble codes: P0172	View
	2005 Pontiac Grand Am SE 3.4L lifter VIN: 1G2NE52E65 Car came in with lifter noise in front bank. Verified collapsed lifters. Installed new lifters and bled. vehicle now has lifter noise front and rear. Removed rear valve cover and ran engine,no oil coming out of pushrods! an @ 1800 rpm and still no oil. Pressur...	View
	2004 Porsche Cayenne Turbo 4.5L Suspension VIN: WP1AC29P24 This car comes with front suspension upper than rear so i test with piwis and found code 1780, i clear code and try to calibrate but i cant pass from second value that request the piwis for the front right height, now i have setting code of incorrect calibrati...	View
	1993 Suzuki Sidekick JLX 1.6L Poor Idle Quality, Stall VIN: JS3TD02V5P vehicle will start and when when cold but as soon as it reaches normal opperating temp it will then cut out and stall tried to restart vehile and would have to barly touch the gass to get vehicle to run but when more throtle is applied vehicle bogs down and di...	View
	1998 Toyota Camry CE 2.2L Mechanical VIN: 4T1BG22KSW Hi everyone I have this Camry in the shop that has a oil leak behind the coil pack, this car does not have a distributor. I have heard there is some kind of plug that goes into the hole where the distributor went, when I contacted the dealer they were unable ...	View
	2000 Toyota 4Runner Limited 3.4L MIL Lamp on VIN: JT3GN87R2Y Thanks ahead for any help with this one guys. Vehicle came in failing smog test p0420. I scanned and noted a/f sensor steady at 3.28v to 3.34v o2 sensor fluctuating between .2v and .8v . stft 0 ltft +6 replaced both converters aftermarket magnaflow. both exh... Trouble codes: P0420 (Catalyst System Efficiency Below Threshold Bank 1)	View
	2001 Toyota Celica GT 1.8L Engine VIN: JTDDR32TX1 Vehicle came in for running rough. Battery was dead so there were no codes. Test drive indicateda slight misfire at idle and under acceleration. Removed spark plugs and found all were about 0.010" over gap of 0.043". Checked engine oil level and found none on ...	View
	2003 Toyota Camry SE 2.4L exhaust VIN: 4T1BE32K63 car came in with CEL on code p0420 catalyst efficiency below threshold B1 that is the exhaust manifold cat. but I found two exhaust leaks 1 a pinhole leak at the weld on the flex pipe ( never would have found this if we didn't see moister leaking out when firs...	View
	2003 Volkswagen Golf GLS 1.9L No Start VIN: 9BWGP61J13 About once every month or two this vehicle will not start because of a lack of fuel getting to the fuel pump. This vehicle does not have an in-tank pump, only the on engine pump. Filter in the engine compartment also dry. To get the car to start I have simply ...	View
	2005 Volkswagen Passat GLS 2.0L Oil Pressure VIN: WVWAE63B25 Dont know how much help i'll get on this one but here goes. 2005 VW Passat TDI came in with no oil pressure. Had a bad balance shaft/oil pump assembly which is a known problem. Customer did not want to fix and gave me the car. Found all kinds of info online ab...	View
	2006 Volkswagen Jetta TDI 1.9L Misfire VIN: 3VWDT71K06 missing on #2cyl pulled #1 and switched with #2 MISS STAYED with 2 cylinder .group 13 readings #1 -1.58 #2 2.99fixed does not move #3-2.68 #4 .87 .Other than wireing harness ,computer what else can cause this . Cam lobes look good egr is clean .Compression is ...	View
	2012 Volkswagen Beetle 2.5L engine VIN: 3VWHP7AT1C vehicle does this under w.o.t., near redline around 65 mph. vw techline advised me that there is a current problem with the vehicle, despite that the dtcs will not return, due to kv levels (knock sensors) higher that -3.9 at any point. have not been able to fi...	View
	2000 Volvo V70 2.4L No factory ecm comm VIN: YV1LW61J8Y This car has a hard code P1670. From my research I have some proof that this is an immoblizer code, though some say this is an irrational code. The problem is I can only communicate with the ECM using a generic OBD scanner. I cant get any factory code numbers ... Trouble codes: P1670	View
	2004 Volvo xc90 2401CC abs module Hi Volvo Techs Full chassis no of the vehicle: [...]. Customer reported that having parked the veh overnight, he attempted to start the vehicle next morning. He notice text message displayed fuel 10,000 miles to empty tank and the clock stopped wo...	View
	2005 Volvo XC90 V8 4.4L wipers VIN: YV1CZ85215 Hi Guys; I have a 05 XC90 with no windshield wipers. I scanned the ECM and found a CEM8F2C - "wiper signal high" code. I checked the three relays associated with this system and found them to be good. I checked the main ground on the left inner fender for vol...	View

Fixes & Summaries for All Makes and Models

	Fix/Summary	Answers
	2006 BMW 325xi 3.0L No Start Yes,yes, and yes the connector on top of the valve cover did have oil in it, do to the sensor failing. Removed the valve cover and replaced the sensor and all is well. I can't say thanks enough, you guys saved my butt. Trouble codes: 2A37, 2A47, 2A43, 2A38.	7
	2005 Chevrolet Corvette 6.0L A/C tensioner VIN: 1G1YY24U55 Well I got a lot of responses, most seemed to think I had a compressor problem but my post stated that the problem happened a/c off. Any way I screwed up the tensioner part# what I installed was a [...], sorry. On tuesday I installed the next smallest belt,...	21
	2006 Chrysler 300 Touring 3.5L Heater VIN: 2C3KK53GX6 Thanks for the replies. When we got the vehicle back in, I removed the coolant lines from the oil cooler and inspect the cooler. Clean as a whip. I tested the system for hydrocarbons -none, reflushed the heater core, connected the cooling system flush machine ...	5
	2005 Dodge Sprinter 3500 2.7L MIL Lamp on, lack of power VIN: WD0PD54415 I believe I have fixed this truck. I pinched wire ends on both fuel rail sensor and solenoid on end of rail. Vehicle has been gone for several weeks and at least 500 miles so far without problems. Thanks to all for suggestions. Nate Trouble codes: 20470, P2047.	7
	1993 Ford F-250 XL 7.5L Misfire, Hard Trans Shift VIN: 1FTHX26G4P First off I would like to thank everybody for the help that they provided. It made me go back to basics and truly figure out the cause of this problem. the fix ended up being a new distributor. This vehicle had 2 distributors installed and i just naturally ass...	12
	2002 Ford Explorer Limited 4.6L 5-4 shift? VIN: 1FMZU75W72 Well after a lot of test driving and chekced missfire data we went with the tps. Drove it four days in a row and was unable to get it to act up. Customer has had vehicle now for 2 weeks and has had no issues. Thanks for all the input guys.	8
	2003 Ford Excursion Limited 6.0L Excessive Emissions, Poor Idle Quality, Stall, Misfire VIN: 1FMSU43P03 Well it is not fixed yet but we found the problem. Thanks to all who replied. I did a compression test to see if we had a low cylinder or at least see if I had a cylinder full of fuel. #1 HAD ZERO COMPRESSION. Looks like maybe that was the injector that didn't...	11
	2007 Ford Ranger XLT 2.3L Fuel gauge VIN: 1FTYR10D17 Ok going to close this befor time runs out. I am still working on this problem. I ohmed out ht wires today and got these results. All grounds are good, yel/vio wire for the sending unit to instrument cluster is 1.7 ohms, vio/wht wire from inertia switch to fue...	16
	1990 Isuzu Pickup LS 2.6L No Start VIN: JAACL16E3L Thank you to all that replied. We replaced the new distributor with a known good from a salvage yard and that solved the problem. A1 Cardone product was defective. Better than new but worse than a junk yard part. Sad!!!	5
	1997 Jeep Grand Cherokee Limited 5.2L tcc lock up VIN: 1J4GZ78Y3V After checking many of the suggestions that were given to me, it ended up being the TCC solenoid causing the problem. After replacing that my complaint hasn't happened since.	19
	2006 Lexus RX330 3.3L Air Bag VIN: 2T2HA31U16 First let me say thanks for all the good repplies. Derek was close to geting this one right. We decided to talk to the body shop to see where the new module came from. He said he got it from the dealer but would have them double check the part numbers. It turn...	5
	2002 Mazda Millenia 2.5L egr system VIN: JM1TA22102 I RECHECKED FOR BLOCKED PORTS AGAIN AND I FOUND THAT ONE OF THE PORTS WAS STILL BLOCKED , CLEANED IT OUT AND THAT TOOK CARE OF THE PROBLEM . THANKS FOR ALL THE HELP .	8
	2003 Mitsubishi Montero Limited 3.8L Noise From Transmission VIN: JA4NW51S23 I WOULD LIKE TO THANK EVERYONE. THIS ONE IS A RARE BIRD. THOUGH SOME PARTS SOURCES SAID THEY HAD WHAT WE NEEDED - THEY WERE NOT A CORRECT FIT. SOME YOU WIN AND SOME YOU PAY BIG BUCKS TO THE DEALER FOR THE PARTS. THANKS AGAIN FOR YOUR TIME.	4
	2005 Nissan Titan LE 5.6L veh. speed sensors VIN: 1N6AA06A85 I have not had the chance to check out the repair suggestions because the customer took truck and never came back. Thanks for the help, Rick	3
	2001 Oldsmobile Intrigue GX 3.5L Cuts out VIN: 1G3WH52H81 Thanks to all that sent out their repair replies. I know that is sometimes hard to break away and provide input to others. As mentioned before I had a p1372 crank sensor code and replaced the sensor. the problem came bach within 2 days.I took the car home and ... Trouble codes: P1372 (Crank sensor), P0300 (Random misfire).	9
	2005 Toyota Highlander 3.3L heater VIN: JTEEP21A25 So, the boss tells me the owner of this ride declined the repair, and the Highlander has left the building. I got quite a few responses from iATN, though, and learned a lot. First, this is a fairly common failure. There are manufacturing flaws in the control...	13
	2000 Volkswagen Jetta GLS 2.8L MIL Lamp on VIN: 3VWSE29M9Y stanley from pa nailed it. I got under the car and the o2 wiring was falling apart right at the o2 sensors, also the heat sheild had fallen down on top of them. For sure a "tuner car". Disconnected o2s relearned a new ecm and all has been well for a week or... Trouble codes: P1639, P1634.	7
	2007 Volkswagen Eos 2.0T 2.0L drivers seat VIN: WVWAA71F77 ok so i traced the wires from the switch that was just dangeling to a white box behind the bar for the rear of the bottom seat cushion. Removed the switches and the one that was in said box does not click and is always open. The other switch is normally clos...	4
	2005 Volvo XC90 2.5T 2.5L No Start VIN: YV1CZ59275 The Dealer We Deat With (Tom Wood Indy) Could Not Find Any up Dated relocated Part For Module. So We Purchased A Wiring Harness And New Fuel Pump Moduel Car Started An Ran. At This Time All Is Good. A Big Thanks To All That Responded Could Not Do Without All T...	6

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