Automotive Technicians Technical Discussion and Fixes for Dec 26, 2013

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	Help Request	Answers
	2002 Acura MDX 3.5L Misfire VIN: 2HNYD18242 this acura mdx came in july of this year with a severe missfire on cyl 2 found injector on this cyl not sparying fuel. After replacement vehicle ran perfect. In october customer brought vehicle in saying runs bad for first few mins after a cold start. I have v... Trouble codes: P1399, P0302 (Cylinder 2 missfire), P0303 (Cylinder 3 missfire), P0304 (Cylinder 4 missfire), P0305 (Cylinder 5 missfire), P0306 (Cylinder 6 missfire)	View
	2003 Audi A4 1.8L Pcm VIN: WAUVC68E63 car was towed in no start. cranks over but will not fire. checked for spark and no spark. connect to vcds- vag-com and i can communicate with all the modules except the engine computer. i have checked all the fuses and they are good. i have no power on any of ...	View
	2003 Audi A6 Quattro 3.0L Driveshaft VIN: WAULT64B53 Hello, fuel tank repair was performed due to evap leak and removal of exhaust and driveshaft was required. After re-instalment vehicle has vibration when pulling off comming from driveshaft and or under vehicle. Any suggestions ?	View
	1999 Bentley Arnage 4.4L No Start VIN: SCBLB51E5X This is for anybody that works on Bentley's. I have a 1999 Bentley Arnage from a body shop that was a recovered theft. They fixed some minor things and had 2 keys made from the Bentley dealer. The car ran fine for a few days and then it justed cranked and woul...	View
	2007 BMW 328i 3.0L ignition VIN: WBAWB33557 07 BWM 328i. it came in not starting. customer said that it would not go all the way into park and by jiggling the shifter was able to get it to start. we pulled it into the shop and put it in park. went into park all the way. we pulled codes on it and got a l...	View
	1997 Cadillac DeVille 4.6L No Start VIN: 1G6KD54Y7V Vehicle rarely starts. No comm with any modules; even when it occasionally starts it has no com when running either. Digital cluster; no speedo or odometer. mpg and hvac diplays dashes, but occasionally work. HVAC fan comes on and off with no input and no key ...	View
	1991 Chevrolet LLV 2.5L pushrod{s} VIN: 1GBSC10A2M One week later it returned with #3 exhaust push rod off rocker but not bent.Put it back and ran engine with no valve cover for 20 minutes everything looks perfect.Inspected rockers pivots and pushrods and could find no defect.Could this be driver caused or a v...	View
	2000 Chevrolet Silverado 1500 5.3L 2nd gear inop VIN: 2GCEC19T1Y I apologize for the long post, but this is a difficult situation. I really need the help of a transmission expert. Vehicle came in with a check engine light and code P0715 (1-2 shift performance) along with a complaint of a late shift and slip into 2nd gear....	View
	2001 Chevrolet S10 LS 4.3L Fuel Tank VIN: 1GCDT13W51 Looking for little help need a gas tank for this truck can't find one this is a 4 door (crew cab) gm part # [...] has been discontinued and as of yet no aftermarket that i can find any help is welcome thanks.	View
	2003 Chevrolet Express 3500 6.0L No Start, Stall, MIL Lamp on VIN: 1GCHG39U13 Cust says it stalled and wouldn't start for 10 minutes after tune up. Had it towed in and started right up. P1626 code but no "U" codes. Also had lean bank 1 and 2 and misfire codes. Replaced intake gask's, cleared codes. came back next day and won't start. 5 ... Trouble codes: P1626	View
	2007 Chevrolet Monte Carlo SS 5.3L MIL Lamp on VIN: 2G1WL16C87 Hello all. I have this chevy monte carlo 5.3l in my bay that is throwing code p3400 cylinder deactivation system. When driving down the road it will try to go into 4cyl mode and it will kick in and out of it a few times then will not try anymore. If you turn o... Trouble codes: P3400	View
	2005 Chrysler 300 C 5.7L engine VIN: 2C3AK63H95 I am tring to locate an engine for this all wheel drive car. And I have found some low milage engines for a rear drive. So my question is. I it just a matter of changing the oil pan. Or should I just deal with a higher milage engine. as always thanks for your...	View
	2005 Dodge Sprinter 2500 2.7L egr, boost servo motor VIN: WD2PD74415 P2511-1 and p0105-1 come back right away. We have checked everything mitchell says to check including the omhs testing but it does not make sense as the positive and [...] from both sensors are linked into 4 other sensors each and no other codes. Lots of bl...	View
	2008 Dodge Grand Caravan SXT 3.8L starter VIN: 2D8HN54P08 Happy Holidays to everyone. Come back to the shop with Dodge Caravan 2008 with a no start (handicap van). I have gone over every power and ground I can find by alldata. What I need from my Chrysler friends is how does this starting system actually works? I bel...	View
	1999 Ford F-150 Lariat 5.4L starter engages VIN: 2FTRX17L5X This truck came in with customer complaint of starter engaging itself randomly. In the bay, condition is confirmed the first time we pressed the accelerator pedal. Starter can be heard engaging semi-randomly even just sitting idling for many minutes. I inherit...	View
	2000 Ford F-250 Super Duty Lariat 7.3L Cooling Systems VIN: 1FTNW21F5Y Hello Diesel guru's. I don't normally work much on diesels but I told this customer I would do some research for him. He always had great heat until he had the dealer replace his fuel pump. Afterwards the engine temp barely goes over 100 degrees even after ext...	View
	2002 Ford Explorer XLS 4.0L Mechanical VIN: 1FMZU72E22 I have the engine out and I'm replacing the complete timing chain cassettes etc. and am using the OTC tool set but nowhere in ALLData or OnDamand does it speak to a procedure for removing the right chain from the rear jackshaft. What am I missing; please and t...	View
	2005 Ford Crown Victoria Special Edition 4.6L Stall, MIL Lamp on VIN: 2FDHP74WX5 Vehicle runs good. After warm up when you start vehicle it comes up on fast idle for 1-1/2 minutes. If you put it in gear while idle is still up it will die and or idle rough for a moment and die, if you hold throttle to floor starts right up. Scan data shows ... Trouble codes: P1288 (CHT Cylinder head temp sensor)	View
	2007 Ford F-350 Super Duty XLT 6.0L Excessive Emissions VIN: 1FTWW33P97 Vehicle towed in. Customer complained of excessive smoke and diesel smell. Upon cranking, found excessive smoke and diesel smell as customer stated. Scanned and found no codes. Performed fuel pressure test, 55psi running. Connected pressure canister to right b...	View
	2010 Ford E-350 Super Duty XL 5.4L electrical system VIN: 1FBSS3BL8A Hello folks, I have a 2010 Ford Econoline E-350 van with a Triton 5.4L that has a parisitic draw. I hooked up a dvom in series between the negative post and negative terminal and let the van go into sleep mode. Once in sleep mode I disconnected the alternator ...	View
	2003 Hyundai Accent GL 1.6L No Start VIN: KMHCG35C53 This car has no ignition. It does have injector pulse, my noid light flashes when connected to an injector connector and cranking. The check engine light is on with koeo. I am able to communicate with the control module, it shows 257 rpm when cranking, it also...	View
	1999 Infiniti I30 3.0L Lifter VIN: JNKCA21A3X The vehicle came in with a ticking noise, similar to that of loose valves, coming from the number one cylinder area. I changed the oil; it was dirtier then normal, heavy, but not too thick, (not like Elmers Glue). I still heard the tick. I checked the oil pres...	View
	1997 Jeep Cherokee Sport 4.0L timing chain VIN: 1J4FJ68S8V its been a long time since I had to replace a timing chain but just a question for some of you out there that have worked on a lot more jeeps than I have. on this 4.0 liter engine when I went to replace the timing chain I lined up the two marks on the cam and ...	View
	2007 Lexus GS350 3.5L Window squiter and fog lights VIN: JTHBE96S67 Have pieced together the fog light wiring diagram. How is the signal sent to the controller from the wiper switch to operate the fog light relay? is it a power? Ground? 5 volt signal? Is the relay for the fog light relay inside the controller in the left fende...	View
	2008 Lincoln MKZ 3.5L Airbag VIN: 3LNHM26T28 after replacing heated seat module and pigtail to module the airbag lite is on setting codes b1342in osc module. and code B2290 in the rcm. i can unplug rail sensors and code 1342 clears .then plug in sensors one at atime no code. But if both sensors are pluge...	View
	2002 Mazda 626 ES 2.5L Mechanical VIN: 1YVGF22D52 This 2002 mazda 626 with no abs has a brake pedal that bleeds down when sitting. I replaced the master cylinder twice. Checked all the brake pads and caliper slides, they are all free. Mazda doesn't offer a new master cylinder anymore. Has anyone experienced t...	View
	1995 Mercedes-Benz SL500 5.0L soft top VIN: WDBFA67E3S oky guys i have this m/b here will driving top down or up the roll over bar indicator lite will go on and off. i scaned for codes pull code for internal fault in rv mod and wouldnt clear. well before we got the car custemer researched him self and thought it w...	View
	2010 Mercedes-Benz E550 5.5L airmatic VIN: WDDHF9AB2A Warning light for air ride is on and pulled a code 555E13 from the AIRmatic system. The description on the scanner is "pressure relief valve malfunction, open circuit". Does anyone have a better description of diag info for this code? Thanks	View
	1997 Oldsmobile 88 Royale 3.8L iginition lock cylinder VIN: 1G3HN52K3V customer complained of no start at times with security light coming on, after sitting for a time it will start. This is aaa different system then I am used to, it being older. I read a forum where you can by pass the pass key system by installing a passkey ful...	View
	2004 Oldsmobile Silhouette Premiere 3.4L No Start VIN: 1GHDX13E64 No Crank.. check relay at radiator support , have voltage at red wire all the time and small pink with key on. jumper purple to red and it will crank with key on but only run for a few seconds. Check fuse at right side fuse box 10 amp and have voltage when key... Trouble codes: B3055 (No transponder moduation or no transponder)	View
	1998 Pontiac Grand Am SE 3.1L No Start VIN: 1G2NE52M2W When cold outside, below 50 degrees, car will start and stall, security light flashes. Can run through one 10 min cycle of reset process and car will start. If I wait till temp is above 50 degrees car will start and run fine. After reset of security car will s...	View
	2003 Saab 9-3 Arc 2.0L Poor Idle Quality, Misfire, MIL Lamp on VIN: YS3FD49Y03 after codes cleared, codes p1681 and code p2135 return immidiately. do not have a tech2 and out launce will not communicate. generic obd shows tps at 28% always. has no throttle response. Identafix and alldata say no diagnostic info for code p1681. replace ecm... Trouble codes: P0300, P2135, P1681, P0638, P1523	View
	2000 Toyota 4Runner Limited 3.4L Performance VIN: JT3HN87R3Y Vehicle will not go over 1500 rpm. P0340, p0171. No clogged cats, replaced ignition control module, replaced cam position sensor. Idles good, step on the gas rpm drops to 0 and engine almost dies. Ease into the gas and you can get the rpms up to 3500.	View
	2000 Toyota Tundra SR5 4.7L MIL Lamp on VIN: 5TBRT3411Y hello. This truck has a problem with the o2 sensor bank 1 on the drivers side. Now I am at home writing this and I cant remember what the code number was. But there is no signal getting to the computer for this sensor. What happened was I was getting a heater ...	View
	2004 Toyota Sienna LE 3.3L Injector Pulse VIN: 5TDBA23CX4 Vehicle was towed in, cranking no start. got the story of on cruise down the highway and it started to die and lose power till it stopped. Fuel pump will not pressure with KOEO, but Cranking it does build, occasionally slowly. Use scanner it builds 44. Chec...	View
	2008 Toyota Tundra SR5 5.7L MIL Lamp on VIN: 5TFBV54158 Vehicle came in for code (p0420) set for catalyst system efficiency below threshold b1. Monitor with scanner and found both oxygen sensor jump identical, both rear oxygen sensor also jump identical too. I cleared the check engine light. Test drive for readines... Trouble codes: P0420	View
	2004 Volkswagen Beetle GLS 2.0L Poor Idle Quality VIN: 3VWCD31Y44 hello. This vw first came in with a bad timing belt.it didnt break all the way, but some of the teeth sheered of the belt at the crank gear. I couldnt determine exactly if it was listed as a interference engine, was getting some conflicting info, but informed ... Trouble codes: P0304	View

Fixes & Summaries for All Makes and Models

	Fix/Summary	Answers
	1994 BMW 530i 3.0L Ignition VIN: WBAHE2325R Unfortunately customer would not approve further diagnostic time to continue. It seems that problem could of been a ground issue and also the possibility exists that system could of been by passed.	7
	1995 Cadillac Fleetwood 5.7L 3rd gear VIN: 1G6DW52PXS Well, it appears I got a bad rebuild. Replaced the trans and haven't seen nor heard of the car since. Thanks for all the help guys!	6
	2004 Cadillac SRX 4.6L Misfire VIN: 1GYDE63A04 I could not find the reason for the B1S1 Heater circuit error. After replacing the O2,and cleaning the Throttle body and mass airflow sensor we I found a vac hose that was disconnected in the back of the engine which was causing a lean condition. Well, the th... Trouble codes: P0030 (HO2S HEATER Control Circuit Bank 1 Sensor 1), P0522 (Engine Oil Pressure Sensor /Switch circuit Low Voltage), P0300 (Random Multiple Misfire).	16
	1996 Chevrolet Lumina LS 3.4L Poor Idle Quality, Stall VIN: 2G1WN52X6T Ok guys here is what has transpired over the last 2 weeks. I greatly appreciate all the quick replies. After checking everything again..ie: Sensors, injectors, Vacuum leaks, backpressure etc i decided to tear the car down and do the job again from the beginnin...	9
	2012 Chevrolet Silverado 2500 HD LT 6.6L smoke VIN: 1GC1KXC89C Thank you very much to everyone who took the time to respond. I kind of knew this project would be over my head to start with, I have very little experience working on these engines. I have not been able to get this truck back in the shop yet, If I find out w...	15
	1998 Dodge Ram 3500 5.9L Charging system and transmission VIN: 1B7MF3363W Thank you Ed from Colorado! The wires at the 8 pin transmisson harness connector were damaged. Starting at the connector and continuing up for about 6" the wires looked almost melted and softened. They actually had bare spots where I'm sure they had been short...	7
	2006 Dodge Ram 2500 SLT 5.7L Final drive control module VIN: 3D7KS28D46 Thanks for the input.Once again we bought a brand new DEALER PART,and Unbelievable it was a DUD.After pinning out the loss of comm issue,it turns out the FDCM is internally shorted to ground.I recon the kids in Mexico,or China were mad the day they made this o...	1
	2007 Ford E-350 Super Duty XLT 5.4L Fuel Gauge VIN: 1FBNE31LX7 Greetings gentlemen, happy holidays. I have been racking my brain with this problem vehicle for some time now and I am sorry to say it is still not fixed. I have replaced the PCM most recently which did not change anything. I was most certain that I had a PC...	9
	2011 Ford F-350 Super Duty XLT 6.7L No Start VIN: 1FD8X3ET3B WELL THE TRUCK IS AT THE DEALER.CUSTOMER DID NOT WANT ME TO SPEND ANY TIME ON DUE THE WARRANTY.SO WE TOWED TO SELLING DEALER.I WILL POST THE RESULTS WHEN I GET SOMEMORE FROM THE CUSTOMER WHAT WAS THE ISSUE.THANK FOR REPLIES Trouble codes: P2291 (Injector control pressure too low), P04DA, P0676 (6 glow plug ckt).	7
	2012 Ford F-150 STX 3.7L pinging knocking VIN: 1FTMF1CM4C Vehicle condition FIXED via ECU UPDATE USING LATEST SOFTWARE UPDATE FROM VCMII MODULE - Dealer Service Manager helped us on this one. We only have VCM I and since this vehicle is 2012 we could not update software version of ECU we were not provided with the ...	21
	2010 GMC Acadia SLT 3.6L Hesitation, Cuts out VIN: 1GKLRMED9A recleaned throttle body and reset ilde according to alldata! Trouble codes: P2176.	3
	2006 Honda Civic Si 2.0L No Start VIN: 2HGFG21516 Well just wanted to thank everyone who Read and Replied . After removing timing cover we found timing marks off by a Couple of teeth. The Chain Tensioner locking Mechanism wasn't locking . I think car or was left in gear and rolled Backwards and caused engine ...	9
	1996 Isuzu Trooper S 3.2L alternator VIN: JACDJ58V5T As of right now A new Alternator is on order. Thanks to all for the replies. I checked all fuses ,wiring for opens and loaded each wire but could not fine any issues. once during testing alt came alive and voltage came up to 14.3 then quiet again so I am goin...	8
	2006 Jaguar S-Type 3.0L Hesitation, Cuts out, Stall, Misfire VIN: SAJWA01A56 Thanks Guys, the transfer pump or sender as jag calls it fixed the car. I wonder way jags even have a vin, gave them the vin and got the wrong sender, they needed to know the color of the o- ring...that told them it was a flex fuel car and which sender to send...	7
	1993 Lincoln Town Car Jack Nicklaus 4.6L Hesitation, Cuts out, Stall VIN: 1LNLM82W4P Thanks to everyone who helped this car is fixed the problem was a bad idle speed motor again thanks	3
	2004 Lincoln Navigator 5.4L fuel injectors VIN: 5LMFU27R24 sent computer off to be tested found computer was shorted out getting new computer in shortly to see if there are any more problems.meanwhile taking out remote start system first then going to install new computer and retest.will keep you updated.thanks for he...	20
	1990 Mitsubishi Montero 3.0L No Start VIN: JA4GJ31S6L well thanks for the help guys... customer decided not to invest on this vehicle due that problem was likely to be electrical... so he picked the car up problem unsolved	3
	2004 Volkswagen Touareg V6 3.2L MIL Lamp on VIN: WVGBC67L64 thanks guys, turns out it was the MAF... go figure...thanks to all Trouble codes: P0102 (Mass or Volume air flow circuit low input), P2180 (System too rich off idle bank 2).	4

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