Automotive Technicians Technical Discussion and Fixes for Dec 9, 2013

Join Now

Prev	Professional Automotive Repair Technical Discussions for December 9, 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
	1981 BMW 320i 1.8L Stall VIN: WBAAG3301B Vehicle towed in stalls on accel after customer did engine swap. He stated no drivability issues with donor vehicle. Vehicle starts and idles, but stalls when throttle applied, with or without airflow meter plugged in. No vacum leaks found. No opens or shorts ...	View
	1997 Chevrolet Cavalier 2.2L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1G1JC524XV Good Morning Techs, Have this 98 Cavalier that came in with a Miss on Idle on Number 4 Cylinder. After diagnosing could not pinpoint reason for miss at idle (only at idle). Felt as though it was a vacuum leak. Sprayed propane around intake and injector ports,... Trouble codes: P0304	View
	2006 Chevrolet Express 3500 6.6L Hesitation, Cuts out, MIL Lamp on, goes into limp mode VIN: 1GCHG35266 intermitent problem, power loss when goin down the highway after check engine light comes on. it wil either set code p0108 or p0234. weare not real familiar with duramax diesels and have never ran into this before. any help would be greatly appreciated Trouble codes: P0234, P0108	View
	2007 Chevrolet Tahoe LTZ 5.3L Fast idle VIN: 1GNFK13077 Customer said vehicle suddenly lost power and set CEL. It also start and idles ok at first then will slowly increase RPM. I shut vehicle off and restarted and immediatly began fast idle (1500) and will increase to 3000 RPM. I've never ran into this before. Sca... Trouble codes: P0121 (Tps 1 performance), P2119 (Throttle closed position performance), P2135 (Not sure of definition)	View
	2004 Chrysler PT Cruiser Limited 2.4L Hesitation, Stall, MIL Lamp on VIN: 3C8FY68894 Vehicle came for stalling. Had codes P0038/P0032/P0508/P0201/P0304/P0300/P0420... Of Course I cleared them as vehicle was running fine. Had customer do windshield time to save them money. Four days later came in, not stalling but light on. Mis fire P0304. Clea... Trouble codes: P0038, P0032 (O2 Heater), P0508 (Iac)	View
	2007 Dodge Nitro SXT 3.7L Heater VIN: 1D8GT28K57 please help! I have this Nitro that has poor heating performance. Started off with flushing heater core and really did not get any type of gunk or debris out of it. I had it flushed to the point of clear water going in and clear water coming out. There is no h...	View
	2000 Ford Expedition XLT 4.6L heater core VIN: 1FMRU1662Y Customer came in for heater not getting hot front or rear units. Check out upper and lower radiator hoses both cold heater core hoses one luke warm and one hotter, check heater core remove hoses and was able to blow through with no restriction, blend door is w...	View
	2004 Ford F-150 FX4 5.4L Poor Idle Quality, Misfire VIN: 1FTPW14534 Problem with Variable cam timing. No chain noise or nothing but it idles really rough and has 02 rich bank2, random misfire codes bank 2. did a relative compression test with ids on it and found bank 2 cylinders 5,6,7 and 8 low. looked at variable valve timing... Trouble codes: P0022 (intake cam position cam timing retarded B2)	View
	2005 Ford Taurus SE 3.0L 1-2 shift 2-3 shift VIN: 1FAFP532X5 Help, Nissan tech working on brothers 2005 Ford Tarus. Suspect internal Transmission problems. Have scanned and have codes p0732 and p0733. the trans has a delayed and harsh 1-2 shift as it goes into 3rd than bad slip. After shifting into 4th seems ok. At time...	View
	2005 Ford Escape Hybrid 2.3L tcm poa0a VIN: 1FMYU96H25 i replaced engine and now wont start, cranks but wont start i have hard fault codes p1397 system voltage out of range, p1a14 hybrid pcm trans disabled, poa0a tcm, p2023 abs. i checked all connectors all appear ok someone please help	View
	2010 Ford Ranger XL 4.0L battery VIN: 1FTKR1AE6A Hi tech, this is company vehicle complained they have to jump the batt to start. I replaced the batt month ago it came back last week.I check for draw by disconnecting the neg batt cable and put amp meter across it read .01. I put my test light between the neg...	View
	2012 Ford Expedition EL King Ranch 5.4L Tire pressure light VIN: 1FMJK1H56C Hi, the Tire Pressure light is on, I checked all tire pressure and they r fine, does anyone know how to reset the TMPS without using a diagnostic tool or how is it possible. I would appreciate a quick response. Thanks guys	View
	2003 GMC Safari 4.3L battery VIN: 1GDDM19X43 The car came in on a tow... car died down the road. Found the battery to be dead and replaced. After replacing the battery ran some basics on the charging system and the vehicle was overcharging, but not excessive to consider alternator as yet. Ran tests with ...	View
	2003 GMC Safari 4.3L battery VIN: 1GDDM19X43 The car came in on a tow... car died down the road. Found the battery to be dead and replaced. After replacing the battery ran some basics on the charging system and the vehicle was overcharging, but not excessive to consider alternator as yet. Ran tests with ...	View
	2007 GMC Acadia SLT 3.6L MIL Lamp on VIN: 1GKER33727 Vehicle came in for Traction control light, stabiltrak and check engine light on. Ran codes on the PCM and found lean bank one and two. Checked Data and LT FT bank 1 was at +35% same for bank 2. ST FT was at +25% fuel injector pulse width is at 2.9ms. Way too ... Trouble codes: P0171, P0174	View
	2008 GMC Sierra 2500 HD WT 6.0L Limited power VIN: 1GTHC29K08 This truck belongs to one of our fleet customers. The driver said it sputtered then lost power and the limited power indicator lit up. He cycled the key and no change, when I got to it, I could not make it malfunction. I got the code: p2138 symptom 00. I went ... Trouble codes: P2138	View
	1998 Jeep Grand Cherokee Limited 4.0L No Start VIN: 1J4GZ78S0W jeep techs, happy holidays, this jeep came in the shop for a no start. jeep will crank start and stall within couple seconds as if theft set. instrument panel did not work, only abs light, and could not communicate with bcm. check all powers and grounds and fo...	View
	2003 Jeep Liberty Sport 3.7L transmission VIN: 1J4GK48K93 I rebuilt this transmission. Did relearn and trans worked great after rebuild. Customer came back in and said that the transmission has a shudder when changing from 1st to 2nd gear. I test drove and it is definitely a shudder. Not sure where to procede from he...	View
	2005 Jeep Grand Cherokee Limited 4.7L Tpms VIN: 1J8HR58N65 Customer states that intermittently, during a 15 to 20 minute drive, the TPMS light will come on briefly, there is a dong sound when the light illuminates, and then the light will go off and stays off. All this happens within a few seconds. This customer came...	View
	2005 Jeep Liberty Limited 2.8L compressor VIN: 1J4GL58525 When the car was started and the A/C system was turned on from inside the car, no signal came to the compressor. The car ran for 5-10 minutes while I tried to check for power, first at the pressure switch located on the receiver/dryer where there was no voltag...	View
	2006 Land Rover LR3 SE 4.4L Stall, MIL Lamp on VIN: SALAD25496 Hi all I could use some help with this landrover. It has set code p0101 (MAF performance) on multiple occasions along with the message vehicle reduced power. Vehicle will stall unless pulled over and restarted. Another tech in the shop has replaced the MAF but... Trouble codes: P0101	View
	2006 Mazda MX-5 Miata Touring 2.0L heater VIN: JM1NC25FX6 Hi Mazda Techs, We have an 06 miata here that had an overheat issue. We found a dead packrat wedged into the radiator cooling fan blade this took out the fan motor and resivoir. These items were replaced and engine now runs at normal temp 195 f. and cooling f...	View
	2006 Mercedes-Benz SLK350 3.5L R12/10 Front Side Air Bag VIN: WDBWK56F86 Hi, I have this 06 SLK 350 (171.456) this this reoccurring fault code 9243 for the passenger side air bag Squib to high. 6 Months ago had the same code, check harness and ohm specs of air bag and tested in specs at 2.1 ohms. This problem is intermittent but I ...	View
	2002 Nissan Altima S 2.5L Cooling Systems VIN: 1N4AL11EX2 This has become a hair puller. no or poor heat from the heater ducts. we have tried to air bleed it several times raising front end in the air...using vacu-fill..and finally in desperation bought clear heater hose tubing to connect off the left side of cylinde...	View
	2005 Nissan Altima S 2.5L No Start VIN: 1N4AL11D85 They towed it to me cause it would not run. They swapped pcm from the other car, they swapped all coils and when they realized it wasn't a 1, 2 ,3 repair they towed it to me. I grabbed my consult and checked for codes and there was none. I checked for spark at...	View
	2004 Saab 9-3 Aero 2.0L starter VIN: YS3FB79546 customer was driving,car was ok,he pulled over for a rest went to sleep with lights on,then car no start,towed here,battery flat recharge,check for codes,none,turn ignition on relays click,turn to start relay in dash clicks,battery power to starter solonoid,sh...	View
	1993 Toyota 4Runner SR5 3.0L Cylinder Piston VIN: JT3VN39W6P Please I am not looking for guesses, I am wanting to hear from someone who has experienced this, so please ask around the shop if you are reading this or call your local machine shop for insight before posting. We had the engine rebuilt in January by a very r...	View
	2000 Toyota Avalon XL 3.0L Center Multi Display Unit VIN: 4T1BF28B1Y I've chased down the draw to multi combination unit which is the center cobinitation unit that has all the lights in and it has a bigger screen on to show u the compass has odometer and etc. So I figured if I unplugged that unit and draw went away I would need...	View
	2001 Toyota Camry LE 3.0L All lights VIN: JT2BF22K41 This one has me stumped. Vehicle came in with complaint of pulsing headlights and interior lights. Upon examination dash lights and all marker lights are pulsing as well. Battery and alternator tested good. I went ahead and tried brand new interstate battery w...	View
	2007 Toyota Tacoma 4.0L immobilizer VIN: 5TELU42N77 Vehicle came in for a no start issue. Vehicle will start and die, pulled codes came up with B2799 for engine immobilizer malfunction. I followed the diagnostic flow chart, checked continuity on data lines between immobilizer ecu and ecm all checked ok. Hooked ...	View
	2009 Toyota Matrix 1.8L Gear Oil VIN: 2T1KU40E99 What gear oil to use??? Owner's manual says straight 75W GL4 gear oil. Never heard of no such animal. Called dealer and they have no part number and have never heard of it either but agree that straight 75W is what Toyota calls for. They call their Toyota tech...	View
	2005 Volkswagen Jetta 2.5 2.5L Hesitation, Cuts out, Misfire VIN: 3VWRF71K05 i usally dont work on V W but this is a older lady thats kinda down on her luck o im trying to help her out. The car has a miss in it idle and driving at steady speed it will run good as long as u are acclarting the only code that keeps poping up is 18711. All... Trouble codes: 18711 (leak in air intake system p2279 not a plauseable signal intermitet)	View
	2010 Volkswagen Jetta TDI 2.0L Boost VIN: 3VWRL7AJ2A This is a vane controlled turbo, that has no waste gate controller. It is duty cycle controlled by the pcm. When it looses boost the pcm does not change in a duty value.	View

Fixes & Summaries for All Makes and Models

	Fix/Summary	Answers
	1999 Chevrolet Silverado 1500 5.3L Hesitation, Misfire, MIL Lamp on VIN: 2GCEK19T4X Still not fixed at chevy dealer for 2 weeks they have not been able to find problem yet. I dropped exhaust not restricted i blocked egr flow no difference does not have a distributor.I use factory scan tools every day tech 2 and ford ids place i'm at now we ca... Trouble codes: P0336.	48
	2004 Ford F-450 Super Duty Lariat 6.0L Icp/Powertrain VIN: 1FDXW46PX4 All right first of all I would like to thank every one for you alls help time and effort. So this is what I found. I saw that my engine wire harness was repaired several times,that would include my repair of the icp pigtail, followed by the eot,vgt,ebp,iat tho...	7
	2005 Ford F-250 Super Duty Lariat 5.4L engine VIN: 1FTSX21525 Hello again, thank you for all the replies. The fix for this ended up being a timing issue. When i installed the phazers everything was marked accordingly. Problem ended up being that the truck had jumped time. I pulled the ft cover off and inspected everythin...	9
	2005 Ford F-350 Super Duty King Ranch 6.0L coolant pressure VIN: 1FTWW31P95 thanks guys, i appreciate your help, especcially allen. turns out there is very little info on g/p sleeves, so after some checking around i located a tool to remove the g/p sleeve OTC #303-764/2, 303-764/1, 303-763. I pulled the sleeve and found the machine ...	5
	2013 Ford Focus SE 2.0L No Start VIN: 1FADP3F25D Thanks for all the input. At this point the owner is put the vehicle on the back burner but we by-passed the PCM and the car starts, but runs bad. So we are 90% sure the PCM. I'll update if we get'er done. Thanks for all the replies!	7
	2008 GMC Acadia SLT 3.6L power steering VIN: 1GKEV33748 Thanks for the replies from all!! We were able to sneak this pump out by lowering the cradle as suggested by a few of you. Took about 2 hours for R&R and bleed system. We did use a new Delco pump (also suggested in replies) and used Dex VI fluid. Customer ...	14
	2005 Honda Civic Value Package 1.7L No Start, Poor Idle Quality, Stall, Misfire, Poor Fuel Economy VIN: 1HGEM22165 This car is fixed. Thank you to all that replied the customer put diesel in the tank. Drained the tank refilled with unleaded and after a few mins of running smoothed out and ran great. Thanks again for all the help.	13
	2007 Hyundai Azera SE 3.8L MIL Lamp on VIN: KMHFC46F37 Whilst the owner hasn't called me back after a couple of calls Thanks for all the info! I'm pretty sure the car went to the dealer for repairs. I'm not sure if they were done under warranty. Which is okay with me. It's my understanding that this engine isn't u... Trouble codes: P0018 (Cam Crank corrolation).	8
	1995 Jaguar XJS 4.0L Poor Idle Quality VIN: SAJNX2744S What John, Patrick and Steven replied was the path to solving this issue. I do have an Autologic which I have had since about 2005, but his problem had never come up before and, once I got into the screen for adaptations, the process was simple. There were thr...	10
	1997 Mercedes-Benz E320 3.2L misfire VIN: WDBJF55F7V thanks to all for responding. after digging through the problem we found #1 cyl missfire, therefore we removed valve cover and checked valves for any odd thing, then we found a loose intake valve on #1 cyl. removed the intake cam and lifter. we removed the val...	7
	1999 Mercedes-Benz E300 3.0L Poor Idle Quality VIN: WDB2102252 Hello and thanks for the help. It seemed like a strange problem thought it was going to be a pain to fix, But new stop light switch sorted it. Simple... Thank You.	4
	2004 Mercedes-Benz C230 Kompressor 1.8L MIL Lamp on VIN: WDBRN40J64 The long sad story continues, but i feel like I may know what is causing this problem. The front o2 sensor output as displayed by scan tools does seem to respond in reverse.When I command on the secondary air the voltage for the front sensor rises and the rear... Trouble codes: P0172, P2058.	16
	1999 Toyota Camry CE 2.2L Module VIN: 4T1BG22K5X Customer has not returned yet but it would appear that I forgot to take out the little bridging link from the underhood diagnostic connector to properly clear the codes. When they return (which they eventually will..it's 20 below around here now) I will updat...	3
	2003 Toyota Land Cruiser 4.7L transmission - Transfer case VIN: JTEHT05J93 Hey guys thank You so much for the info. With the wonderful help of Paul and Anthony [...] finally got my head wrapped around the idea of spider gears - differential lock in transfer case. The traction control would not lock the transfer case into full time 4x4 - ...	3
	2000 Volkswagen Golf GTI GLS 2.0L Cuts out VIN: WVWDA21J9Y Many thanks to everybody we replaced the fuel injector relay and we disconnected the abs module still no communication with dlc pretty sure its the pcm customer declined repair	6
	2006 Volkswagen Beetle TDI 1.9L Surge, Stall VIN: 3VWRR31C96 thank you to all who took the time to reply. The owner told me that she had been " two pedaling" it for a while to keep it running. It turns out that she had two problems, first the maf was dirty, and it wouldn't even run, secondly, the timing belt tensioner w...	8

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