Automotive Technicians Technical Discussion and Fixes for Nov 1, 2013

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	Help Request	Answers
	1999 Acura TL 3.2L Engine VIN: 19UUA5642X Vehicle has noticable rumbleing vibration when sitting at idle in gear [ drive or reverse ], it sounds and feels like worn motor mounts. All mounts were replaced less than 5,000 miles ago, problem was worse before mounts replaced but replacing mounts did not t...	View
	2006 Audi A4 2.0L Module VIN: WAUDF78E76 Vehicle has vag code 094441,u0121.No comm with abs esp module.All fuses good power and grounds present.Pretty sure I just have a dead module.Two questions.I cant find any published codes or diag info for this so has any one experienced this and two what is the...	View
	2006 BMW X3 3.0i 3.0L Cooling Systems VIN: WBXPA93406 Have this bmw that has a coolant leak coming from the side of the cylinder head on the right side.Looking at the motor from the front. Unable to tell if coming from the cylinder head or from the coolant tubes that plug into the cylinder area below the thermost...	View
	2005 Buick LaCrosse CX 3.8L MIL Lamp on, Reduce engine power VIN: 2G4WC53295 Scan checked for codes, got a P1516, clear the code and power comes back until it happens again. Problem happens right after cranking, engine always starts but has no power and P1516 code stores, but it is an intermmitent problem sometimes not occurring for da... Trouble codes: P1516 (TAC Position Performance), P0411 (Secondary Air Injection)	View
	1990 Chevrolet K1500 Cheyenne 4.3L No Start VIN: 1GCEK19Z1L This truck will eat an ignition module every 6 months or so. It's always after it sets over night; it will be running good, he shuts it off & the next AM it wont start: no spark. I have put AC Delco & Standard ignition brands both in it. He has put multiple BD...	View
	2002 Chevrolet Silverado 1500 5.3L speedometer VIN: 2GCEK19T32 Vehicle came in with speedometer going all over the place. Checked it with scanner and I would not swipe back and forth so replaced it with good used low mileage cluster which I checked and all gauges swiped fine. Came back a week later claiming speedo would j...	View
	2002 Chevrolet Avalanche 1500 5.3L Poor Idle Quality, Hesitation, Misfire, MIL Lamp on VIN: 3GNEK13T22 I took a tempature before the cats and found the left one was 650 and the right was 300 so I suspected clogged cat on one side. Cut off both cats and no restriction. It seems like a jumped timing chain. I scoped the ign on the dis setting and all the paterens ... Trouble codes: P0300 (random misfire), P0106 (Map out of range)	View
	2006 Chevrolet Avalanche 1500 Z66 5.3L brakes lock up VIN: 3GNEC12Z86 vehicle came in with brakes locking up, when master cylinder is loosen from hydrobooster the brakes free up. this was about a month ago. Replaced Hydrobooster (rebuilt), master cylinder, pads and rotors. vehicle came back with same issue brakes locking up and ...	View
	2006 Chrysler Town & Country LX 3.3L Pcm VIN: 2A4GP44R16 van came back a week later with a hesitation No codes. Found it to have no TPS signal.Tested for voltage at tps . Tested good so i tested @ pcm also good. I belive it is loosing signal in the pcm. Can any one tell me more.	View
	2008 Dodge Ram 2500 SXT 6.7L no power VIN: 3D7KR28A68 Thanks for any info you can provide. About 10k miles ago truck came in with no power would not even idle, unbolted exhaust and truck ran great found particulate filter pluged up solid. We removed the filter and sent it out to have it baked and cleaned. Reset t... Trouble codes: P242F, P1451	View
	1999 Ford Windstar SE 3.8L All VIN: 2FMDA5247X Customer stated battery die couple days ago so she had battery replace at other shop. Work for couple day and battery die again yesterday morning. Had to jump battery to drive it here. First thing I did was charging system and battery test, all passed. I let i...	View
	2006 Ford Taurus SE 3.0L Tss_src VIN: 1FAFP53U86 This car came into our shop after the customer attempted to fix the transaxle themselves. We read codes and there were none, but vehicle would'nt move on its own. We replaced the transaxle with a rebuilt one. We now have a code P0718 Turbine speed sensor ckt i...	View
	2005 GMC Sierra 1500 SLE 5.3L unknown VIN: 2GTEK13TX5 Truck has vibration in body that starts at 45 & continues until 70 mph. We tried the wheels & tires on another vehicle & they are fine. Wheels & tires from other vehicle made no difference. Removed driveshaft & had balance checked -ok replaced rear shocks (on...	View
	2006 GMC Envoy SLT 4.2L limp mode VIN: 1GKDT13S16 alright fellow IATN'ers.. heres the mofo of the week. 2006 envoy 4.2 comes in on a tow truck customer states that vehicle runs very poorly (which it did) and and has no acceleration which it also did). customer was in st louis for work when vehicle acted up. s... Trouble codes: P0102, P2101, P1682	View
	2007 GMC Yukon SLT 5.3L Lifter VIN: 1GKFC130X7 My customer brought this truck to me after having it diagnosed at the GM dealership. He had a loud ticking sound in the engine normally after a cold soak. The dealership told him he needed to have all the lifters replaced. He decided to bring it to me because ...	View
	2006 Kia Sedona LX 3.8L misfire VIN: KNDMB23326 I have here a problem child sodona 06 3.8,, misfires cyls 1 & 5. Tried plugs and swaping coils around no help. Went back and replaced 1 & 5 injectors no help..?? seems to run ok exept at idle in gear. And sugestions. It has 109,000mi	View
	1990 Mercedes-Benz 500SL 5.0L MIL Lamp on VIN: WDBFA66E2L This rather nice old SL will set the check engine light intermittently. This code should set with 4 sequential fails but the frequency is less than this as it takes weeks sometimes to trigger the MIL. We tested the current to the EHA both static KOEO and runni... Trouble codes: 09 (Current to EHA valve y1 implausible)	View
	2003 Mercedes-Benz S500 4Matic 5.0L rt ft shock VIN: WDBNG84JX3 Dear fellow techs. We have this mercedes that belongs to a fleet account.Probly would not have taken this job otherwise,But I did. Car came with blown rt ft air shock. We replaced shock. now shock inflates and holds air but car sits about 2 in lower on right f...	View
	2003 Mitsubishi Montero Limited 3.8L fuel gauge, Speedometer, instrument cluster VIN: JA4NW51S63 This vehicle came in with the speedometer and fuel gauge not working. The temp, tach, door ajar light, 4x4 light, and all other lights work fine. My question is, is there anything common to these vehicle's like a connector that fails or a circuit. Before I r...	View
	2005 Nissan Altima SE-R 3.5L timing cover noise VIN: 1N4BL11E65 Car came in with a whining noise under hood. Found noise to be coming from behind timing cover. Replaced secondary timing chains and tensioner shoes. Tensioner shoes worn down almost all the way. Primary chain tensioner not fully extracted and tensioner guid w...	View
	2005 Nissan Frontier XE 2.5L No Start, Cuts out VIN: 1N6BD06T85 can anyone help please. Inherited this problem from another garage. Trouble codes: U1000	View
	2001 Oldsmobile Silhouette Premiere 3.4L Heater Drain VIN: 1GHDX03E71 Carpet wet on the drivers side	View
	1999 Plymouth Voyager 3.0L Cooling Systems VIN: 2P4FP2534X Coolant is leaking from the #2 and #5 connection points of the exhaust manifold. This is a Mitsubishi motor I believe, and I do remember a old Chrysler motor (V8)that required sealer around the rear most exhaust studs as the studs went all the way through to t...	View
	2007 Porsche Cayman 2.7L oil coming out of tail pipe Looks like a breather VIN: WP0AA29847 IS there an oil separator box or breather that goes bad on these cars ??	View
	1993 Toyota T100 SR5 3.0L Cuts out, Stall VIN: JT4VD20C3P This truck got me asking IATN world for help. Guy wants to go hunting & this is his truck. he explanes to me that his Toyota likes to stall. Customer tried to install a fuel filter, broke the filter and caused a leak. so now my tern. first fixed the fuel leak,...	View

Fixes & Summaries for All Makes and Models

	Fix/Summary	Answers
	1990 Acura Integra LS 1.8L No Start VIN: JH4DB1650L THANKS TO EVERYONE WHO RESPONDED. I FOUND THE PROBLEM YESTERDAY AND WANTED TO WAIT A DAY TO MAKE SURE THE CAR DIDN'T RETURN. THE CUSTOMER HAD GIVEN ME A LIST OF COMPONENTS THAT HAD BEEN REPLACED BY EITHER A PREVIUOS TECH OR HIMSELF AND HE TOLD ME THAT NONE OF ... Trouble codes: 03 (Map sensor).	17
	2001 Cadillac DeVille 4.6L blower motor VIN: 1G6KD54Y31 The PITA blower motor is finally installed.Special thanks to Mark,Alex,Dan for the great help getting it to go in.It did require the pading to be cut back to gain clearance and it does take alot of messing around to still get it in.	24
	2004 Dodge Stratus R/T 3.0L Stall Removed and cleaned throttle body and IAC, Reassembled and had high idle,checked for vacume leaks, none found. advised customer needed new IAC motor. Customer declined due to cost of part	7
	2005 Dodge Stratus SXT 2.7L Drive Train VIN: 1B3EL46T45 Just got car back in, pulled wheel, no dust shield on rotor, just small heat caps on ball joint & tie rod, not close at all. Checked pads, no stainless guides used, just pad on bracket. Last resort was to spray a lubricant between the hub and spindle to get th...	29
	2007 Dodge Caliber SE 2.0L battery VIN: 1B3HB28B27 Upon further investigation I found the relay box in the wheel well. Every wiring diagram I looked at showed it as part of the TIPM. I pulled the ASD relay and found that it was cracked so I opened is up and found it was super corroded. I replace the rela...	9
	1989 Ford Probe GT 2.2L abs VIN: 1ZVBT22L8K thanks for the info. the condition is normal. the four flashes are just a bulb check.	2
	1994 Ford F-250 XL 7.3L No Start VIN: 1FTHX26FXR I tried nitrogen pressure testing both banks. There was slight leakage in the RH bank, which is why I decided to reseal those four. After the reseal, I had zero air leakage at 500 psi of nitrogen on either bank. Yet the concern remains identical. I am now thin...	14
	2003 Ford F-350 Super Duty XLT 6.0L Hesitation VIN: 1FTSW31P43 Thank you to everyone that contributed. I must say this year 6.0 diesel is just plagued with issues. The basic problem turned out to be a VGT Relearn, a calibration of the turbo. But if you don’t follow the procedure below, it will not work. I did the procedu... Trouble codes: P132B.	11
	1998 Isuzu Trooper S 3.5L Excessive Emissions, Surge, Stall, MIL Lamp on VIN: JACDJ58XXW Lots of good ideas here pointing towards wiring issues, cam timing problems, and air leaks. No problems were found. At one point the original PCM was reinstalled for testing and it popped up a P0130 i think it was: B1S1 circuit malfunction, data stream showed ... Trouble codes: P0101.	13
	2000 Jeep Grand Cherokee Laredo 4.0L idle VIN: 1J4GW48S2Y Changed aftermarket ckp for an OEM. No result. Changed coil pack. Now runs fine. D'ont have recheck the ckp wave form. Thanks.	9
	2005 Jeep Grand Cherokee Laredo 4.7L MIL Lamp on VIN: 1J4HR48N05 Thanks to all who responded,This vehicle is not fixed at this time,My friend checked & rechecked for pinched wires & bad grounds & found nothing. He has released the vehicle to his customer and if light remains on will talk to them about the possibility of hav...	13
	2005 Lincoln Town Car Signature Limited 4.6L No throttle response VIN: 1LNHM82W65 Fixed!! When in doubt, replace the throttle body. That should be included in ShopKey's diagnostic tree before it recommends replacing the PCM... You guys were absolutely right... Here's what I did find: I found that if I got the throttle plate held open in ... Trouble codes: P2104 (TAC system forced idle), P2110 (TAC system forced limited RPM), P2112 (TAC system stuck closed).	9
	1996 Mazda B2300 2.3L Blowing #24 fuse VIN: 4F4CR12A0T I found a wire on the starter relay circuit that had rubbed against the firewall causing the short. Thank you to everyone for your help.	4
	1992 Mercedes-Benz 300D 2.5 2.5L Part Throttle VIN: WDBEB28D9N HELLO EVERYONE. UNFORTUNETELY I HAD TO LET THIS VEHICLE GO TO THE OWNER.I DID EVERTHING I KNOW BUT IT SEEMS TO REPLACEMENT OF TRANSMISSION IS THE ONLY WAY TO FIX.REPLACED DAMPER SPRING KIT K-1(HARD SHIFT 2ND TO 3RD), INSPECTED SHUT-OFF VALVE RV1 AND RV2,REPLAC...	9
	2003 Nissan Maxima SE 3.5L pings VIN: JN1DA31A63 Thanks for all of your helpful replies. We tried a new MAF sensor. It was no help as was the costumer for not leaving the car with us till we fixed it. He had to pick it up every night. Hard to consontrate on a problem like this. We did find the timing did flu...	14
	2005 Pontiac Grand Prix GTP 3.8L Misfire, MIL Lamp on VIN: 2G2WR52445 Thanks for all the responses. The customer did not return so I have nothing further to add towards a resolution. Thanks again. The owner had exceeded the budget. Trouble codes: P0300, P0243.	9
	1997 Saab 900 SE Turbo 2.0L No Start VIN: YS3D558NXV I appreciate all the ideas, but the customer decided to trailer this thing away instead of looking into it any further. I did do the leakage tests with the valve cover off so that should eliminate the PCV system. I don't know that the "magic hammer" test would...	19
	2007 Saturn Outlook XE 3.6L Poor Idle Quality, Surge, Misfire, MIL Lamp on VIN: 5GZER13737 thanks for all input we had to release the car for now the only good thing is that the engine isn't stalling out at stops so he can at least drive it, we had already tried all the suggestion but found no leaks. Trouble codes: P0300, P0171, P0174, P0496.	6
	2008 Toyota RAV4 Limited 3.5L Extended crank time VIN: JTMBK31V48 Well guys, the fix ended up being a new battery, just as Kevin mentioned in his reply! The old one tested bad with the Midtronics tester and with the old carbon pile load tester. Slower than normal cranking was the first thing I noticed when I went out to star... Trouble codes: P0230.	8
	2004 Volkswagen Passat GLX 2.8L rear window regulator VIN: WVWRH63B84 Most replies directed us to install the 2 piece pin in the glass first and then drop the glass into the regulator slot which accepts it with a little downward force. If not replacing the regulator, the glass has to come out of the door to install the pin. If t...	15
	2002 Volvo S60 2.4L Trans VIN: YV1RS61R22 I AM GOING TO CLOSE THIS FOR NOW CAUSE I THINK WE HAVE FOUND OUT WHY. IT LOOKS LIKE THE CRANK IN THE ENGINE HAS TO MUCH END PLAY AND I THINK ITS PULLING THE CONVERTER OUT OF THE FRONT PUMP. I TOOK THE ORIG. TRANS APART THINKING I WOULD FIND A BROKEN FRONT PUMP...	14

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