Automotive Technicians Technical Discussion and Fixes for Mar 4, 2015

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(Also Available: All, Asian, Chrysler, European, Ford, GM.)
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	Help Request	Answers
	2004 BMW 325i 2.5L MIL Lamp on VIN: WBAAZ33434 BMW tech, please help on this bad boy here, car came in fail on smog due [...] P0014 fault - Exhaust cam sensor retard set point. We did all the basic check & sensor replacement, but no luck. We found upper timing chain one teeth off, but even we set if right, st... Trouble codes: P0014	View
	2005 BMW 745Li 4.4L Electronic VIN: WBAGN63595 This car came in with trans not shifting right and codes for the park system. We replaced the trans everything was fine but now it came back with codes 507A EGS: SERIAL LINE POSITION INFO- AND 5079 EGS: SERIAL LINE, TIMED OUT also keeps giving park message on ...	View
	2005 BMW 645Ci 4.4L Misfire VIN: WBAEK73485 Cant locate the fault causing misfires on only the right bank cylinders 1-4. The problems starts as soon as the engine is running. Compression seems ok and dead even at 150 psi (low due to valvtronic position). I have spark and good fuel injector operation. I ... Trouble codes: P0301, P0302 (misfire cyl. 2), P0303, P0304	View
	2006 Cadillac DTS 4.6L park assist sensor VIN: 1G6KD57YX6 car was brought to us with sensors and harness already replaced, codes 954,955, symptom 08, invalid signal lf outer,lf middle. tested signal wires at 7.8 volts, all the same, front and rear, no shorts to power or ground. replaced module, getting same codes.	View
	1995 Chevrolet Camaro 3.4L No Start, no inj. pulse VIN: 2G1FP32S4S OK guys I need some help here, this one has eatem my lunch and come back for dinner. This vehicle came in for stalling and not restarting after a short trip. When it originally came in it started and ran, not well, but enough to get it into the bay. It was thr... Trouble codes: 82 (3X signal malfunction)	View
	2004 Chevrolet Trailblazer LS 4.2L Unknown VIN: 1GNDT13SX4 This vehicle will not get to operating temp. It came in with a P0128. I changed the thermostat twice. I have replaced the radiator cap and fan hub. The top radiator hose gets hot, the lower remains cool; this is after a 5-10 mile test drive. If I stop the fan ...	View
	2005 Chevrolet Suburban 1500 Z71 5.3L Electronic VIN: 3GNFK16Z05 We replaced the ABS module because it was missing with new GM part. We cannot get it to program. We are using the CarDaq-plus and delco tech connect. I've called and talked to the help desk and they say it's a known issue with something to do with the BCM inte...	View
	2009 Chevrolet Colorado WT 3.7L PCM Monitor Problem VIN: 1GCCS19E29 Thankyou in Advance for your help. I work as an Auto Electrician for the L.A.D.W.P., this vehicle is a D.W.P. fleet vehicle that was in our body shop for repairs. When I got it, the battery was dead and it needed a smog test. No problem with the battery, engin...	View
	2013 Chevrolet Avalanche Black Diamond LS 5.3L radio VIN: 3GNMCFE04D Quick easy question for you dealer GoodWrench guru's. Got this 2013 Avalanche that a used car lot asked me to program a used radio. I know some of the newer GM's will not let you put in used modules after 2010. I was told this was an '07 so I didn't take my MD...	View
	2008 Chrysler Town & Country Touring 3.8L No Start VIN: 2A8HR54P88 This vehicle has been at the dealership and they gave up. They installed a TIPM and a WIN module. Currently we can communicate with the TIPM but nothing else. Tested powers and grounds at the PCM and they are good. It looks like they have had the PCM out but I...	View
	2005 Dodge Grand Caravan SE 3.3L no communication VIN: 1D4GP24R25 This is my handicapped sons van, it's a "bruan entervan" factory conversion, as far as I can tell just the floor has been lowered for wheechair entry through slideing door, no PCM or BCM modifications, only had it a few months now. A week ago it did this, lost...	View
	2005 Dodge Sprinter 2500 2.7L no crank VIN: WD2PD64455 when turning on key truck has start error. picked up keys at dealer for customer with same problem. dealer states keys come programed. door locks work with key but will not crank. do these keys need to be programed at dealer? trying to save them a tow. any sug...	View
	2007 Dodge Durango SLT 4.7L engine hello guys i am euro tech so bear with me for little time buddy of mine killed engine o this truck .being euro tech i would like to replace engine for him .. What would be best way to remove engine from car ? transmission first or move transmission backwards...	View
	1993 Ford Mustang LX 2.3L Hesitation VIN: 1FACP41M1P I have a 1993 Mustang with a 2.3 that has 3 codes that will not go away. The vehicle runs bad all the time, cold hot doesn't matter. The codes are 55, 56 and 65. I have replaced the mass air flow sensor, no change, checked wiring and could not find any issues,... Trouble codes: 55 (electrical chargine system to low), 56 (mass air flow sensor voltage high/trans temp to high), 65 (electrical to high/engine never closed loop/overdrive cancel)	View
	2008 Ford F-250 Super Duty XLT 6.4L cruise VIN: 1FTSW21R28 The cruise will intermittantly shut off and not reengage. On one instance the truck lost power also. Multiple codes set on multiple modules. See above. Any direction appreciated. I can see brake switch causing this, but a little suprised to see other codes. Ra...	View
	2002 GMC Sierra 2500 HD SL 8.1L MIL Lamp on VIN: 1GTHK23GX2 Check engine light comes on and off on highway driving. Code po401. Does anyone know if the egr ports gets clogged on 8.1l engines and if it does where? do you have to remove intake manifold to clean out ports? Trouble codes: P0401	View
	2004 GMC Sierra 3500 SLE 6.6L Alternator VIN: 1GTJK331X4 Gentlemen, Need advice about the charging system on this Duramax. Came in with red battery light on in dash, and message center saying 'battery not charging'. Checked for KOER voltage at hot post on alternator, 12.8 volts, same at battery positive. Checked f...	View
	2000 Honda CR-V LX 2.0L alternator VIN: JHLRD1842Y Well Honda guys, this one is interesting. Just wondering if the PCM got damaged from very high voltage 19+ volts. Replace the alternator. Charging system works fine in park or neutral. After driving about a mile it quits charging. If you put the trans in neutr...	View
	2004 Hyundai Santa Fe 2.4L MIL Lamp on VIN: KM8SB12B64 Customer can drive around town and on local roads with no problem. We know this can happen for at least 2 months of driving. Customer goes on a trip, and uses cruise control. After at least 50 miles of steady cruise, at 82 to 83 MPH (we know this by looking at... Trouble codes: P0121 (TPS Values out of Range)	View
	2008 Hyundai Tucson GL 2.0L heating VIN: KM8JUC8CX8 Hi guys I have puzzler of a problem.2008 Tucson that blows nice hot air out of the drivers side and the passenger side cold air. The vehicle does not have two heat zones. The controls are Manuel. I put a camera in the vents and can see the hot /cold door open ...	View
	2014 Jeep Grand Cherokee Overland 3.0L No mil VIN: 1C4RJFCM1E Hello techs,i own this vehicle and i am reaching out to jeep diesel techs.drivers info panel saying service def.will not start after 100 miles.checked pcm with witech and no codes stored or pending.no mil on.ran vehicle and depleted mileage to try to set codes...	View
	2007 Kia Sportage LX 2.7L Engine Noise VIN: KNDJE72307 2007 Kia Sportage 2.7L V-6 Runs and drives perfect, but has an upper end Engine noise, right Cylinder head (closest to firewall) Describing the level of loudness, I would say slight to medium, just enough to make you think something is wrong. We have removed t...	View
	2008 Land Rover Range Rover Supercharged 4.2L electronic suspension VIN: SALMF13418 This car is intermittently setting code C1A13. Another tech replaced the compressor assm. with the new AMK compressor. This assm. includes compressor and drier and exhaust filter. The only parts not included were the pressure/exhaust valve and the pressure sen...	View
	2004 Lexus LX470 4.7L ride control VIN: JTJHT00W44 Thanks fellow iatners for your upcoming help on this one. This lexus has a few issues. Codes are c1763 which is the only hard code that comes back. Its for abnormal oil pressure. Then accompanied by a c1732 hcs frt leveling circuit. C1733 hcs rear gate circuit...	View
	1980 Mazda RX-7 GS 1.1L Hesitation, Cuts out, Stall VIN: SA22C62883 Need some help with this rotary engine. The car is low on power like it is running out of fuel. I installed a new fuel pump that the customer brought and now I have 5psi when you dead head the pump and the flow is 1.5 qts per minute. I think it needs a carb ki...	View
	2008 Mazda CX-7 Touring 2.3L v v t VIN: JM3ER29358 Removed valve cover for further diagnosis, and it was very much filled with sludge, so pulled oil pan and found oil pickup strainer 30% plugged, and a lot of sludge inside the engine. Looking at the timing chain, the tech could see one link broken on one side....	View
	2005 Mercedes-Benz E500 4Matic 5.0L clock VIN: WDBUF83J05 Problem/complaint is BATTERY GOES DEAD, SOMETIMES... I noticed the 'Visit workshop' indicator- Charging OK. Charged the Auxillary battery and allowed to sit with BOTH BATTERIES disconnected for an hour, Now the dash shows no problems. But, I noticed the CLOCK ...	View
	2007 Mercedes-Benz R350 4Matic 3.5L Rear Air Ride VIN: 4JGCB65E97 Thank you for reading my post. This R350 Has new Air bags and relay. Yet it still leaks down on occasion. Its not more on one side or the other, both go down. the only thing I can see how this may happen is the front Valve/Block the three lines go into. I hav...	View
	2006 Pontiac Grand Prix GT 3.8L Hesitation, Stall VIN: 2G2WR55496 Custo came in w/SES light, no other concerns. P0033 and P0301 were only existing codes. We were unable to duplicate the misfire. Custo declined replacement of supercharger solenoid. We replace plugs and wires due to mileage. After tune up car runs horrible. Bl... Trouble codes: P0033, P0108 (Map/Baro signal high), P0132 (02 signal high), P1106 (MAP circuit intermittant high)	View
	2007 Pontiac G6 2.4L MIL Lamp on VIN: 1G2ZF58B87 cant get to run monitors for nysi because codes come right back also cannot run test on system with tech-2 because codes com right back Trouble codes: P0016, P0017	View
	2009 Pontiac G6 GT 3.5L oil pan gasket VIN: 1G2ZH57N39 any shortcuts in removing the oil pan without seperating the engine and transaxle? Thank-you	View
	2007 Scion tC 2.4L Poor Idle Quality, Hesitation, Misfire VIN: JTKDE17707 car was brought in for misfire on cylinder #2 and #3 found that they only had 30psi of compression pulled head sent off reinstalled with Toyota parts it starts fine but has very rough idle and no power all the same codes as when we started I read another post ... Trouble codes: P0300, P0302, P0303, P2237	View
	2009 Volkswagen Jetta TDI 2.0L Poor Idle Quality, Surge, Misfire, Poor Fuel Economy VIN: 3VWPL71K09 When the car was in shop in Dec 2014, there was the complaint of rough cold running, misfiring and poor idle and poor performance. Problem was intermittent. Engine doesn't smoke. Check engine light was not on, but codes in "related repair history" were stored....	View
	2005 Volvo S60 2.5T AWD 2.5L No Start VIN: YV1RH59215 Hello, This car was towed in for a no start.Only codes present were BPP sensor, and no RPM signal. I ignored those for now as I Found that it had spark and injector pulse, but no fuel pressure. I pulled up a schematic, and tested for power at the fuel pump co... Trouble codes: 9000 (Brake Pedal Position Sensor), 5000 (RPM Signal)	View

Fixes & Summaries for All Makes and Models

	Fix/Summary	Answers
	2002 Chevrolet Trailblazer LT 4.2L MIL Lamp on VIN: 1GNDS13572 Thanks everyone for your assistance the pcm was the problem after putting the pieces of information you gave together it was found that sensor one and two earth failed and another workshop short circuited it to earth for the car to respond to acceleration wit... Trouble codes: P1275 (Accelerator Pedal posotion circuit -sensor 1).	11
	2008 Chevrolet Silverado 1500 WT 5.3L Steering column VIN: 2GCEK13M98 Thank you to all who provided help. I have a new lower steering column bearing that I have not had time to replace yet. Thank you to those who sent me in that direction. I will update after I replace it.	5
	2009 Chevrolet Express 2500 4.8L steering pull VIN: 1GCGG25C29 First of all thank you all for your help on this matter. Now to the meat and potatoes. I drove the vehicle on a flat road this morning and shut the vehicle off... still pulls hard right. Called the customer again to try and squeeze any info out of him and he f...	12
	2011 Chevrolet Silverado 1500 LT 5.3L Oil Pressure VIN: 3GCPKSE37B Thanks everybody for your help, Just to clarify we were using OEM sending units on this truck. We did change the Oil and filter with 10 w30 oil,customer has been driving this vehicle since and has not had the Mil come back on.I think it all comes back to oil ...	17
	2007 Ford Expedition Limited 5.4L Indicator VIN: 1FMFU20557 I have told the customer that I cannot disable the system for him. Thank you for all your responses.	9
	2008 Ford F-550 Super Duty XL 6.4L Cooling Systems VIN: 1FDAX57R98 Thanks to everyone for your input. All were great suggestions and helped get this one fixed. The main plug at the pcm was not installed correctly from a previous tech. When the operator started plowing this year, the vibration must have somehow tripped code...	3
	2011 Ford Fiesta SE 1.6L pscm VIN: 3FADP4BJ7B HELLO TECHS THE FIESTA TOOK A NEW PSCM AND BOTH NEW COLUMNS (RETURNED FIRST) CAME IN BOXES WITH POOR PACKAGING.SET UP MODULE AND CALIBRATED POSITION ALL GOOD.THANK YOU.	2
	2000 Honda Odyssey EX 3.5L No Spark COP Jamie from South Carolina - You Nailed It!! it was corroded plug by battery.	12
	2006 Hummer H3 3.5L flywheel VIN: 5GTDN13676 Nobody in our town had the special tool except for the Chevy dealer. One of the techs at Chevy loaned us his tool and we bought his team lunch.	3
	2000 Isuzu Trooper Limited 3.5L spark VIN: JACDJ58X5Y Ok, so after many test it turns out that the ECM was bad. It gets signal from the crank sensor and the cam sensor. No output to the ignition module to fire the coils. The shop that towed it to us decline the repairs and towed it back to their shop.	11
	2002 Kia Sedona EX 3.5L Charging VIN: KNDUP13112 Thank you for all the help the problem was found to be a over charging alternator. Replace alternator and all has been good since.	4
	2006 Land Rover Range Rover HSE 4.4L coolant temperature VIN: SALMF15466 I must apologize for such a long time to close and at the same time thank all who have replied. Like I said, I was waiting for customer approval to fix the problem. However, customer decided to not have this repaired and purchase another vehicle. Thanks aga...	13
	1997 Lexus ES300 3.0L MIL Lamp on SPECIAL THANKS TO TIMOTHY [...] was correct, while I do have access to AllData the location of the diagram I needed was in a section of AllData under Powertrain Management. Even as a young experienced technician it ...	15
	2003 Mini Cooper 1.6L axle shaft seal VIN: WMWRC33423 Well i installed a new cv axle from the dealer and so far so good. i'll post again if it comes back in a couple of months. thank you everyone for your help.	5
	2004 Nissan Quest SL 3.5L unknown VIN: 5N1BV28U44 Thank you for all the input. We received suggestions including double checking the exhaust hangers, checking cats for loose insides,double wall front pipe issue, fuel lines contacting body which led us to make sure there is enough clearance between the firewal...	5
	2009 Nissan Titan LE 5.6L 2nd gear VIN: 1N6BA07F09 I think clutch pack was starting to go bad and him being a friend, told him to either rebuild trans or trade it in. he chose the latter. sorry we will never know the true fix. thanks for your replies.	2
	1997 Pontiac Grand Am SE 2.4L ecm VIN: 1G2NE52T3V I tried the 30 minute relearn several time with no success. I was told to do a security relearn with a tech2 but that did not work, the tech2 did not give me that option. I removed the instrument cluster and disassembled it to check all solder joints and conne...	11
	2008 Pontiac G6 2.4L power steering VIN: 1G2ZF57B78 Well, I got to thinking about not getting any codes out of the EPS when the radio display clearly stated "power steering" problem. I logged on and upgraded my laptop software, and bingo: steering wheel torque sensor popped up. So we called every parts store, a...	7
	1993 Volkswagen EuroVan MV 2.5L solenoid 6 VIN: WV2MC0707P I replace the after market trans electrical harness and a epc solenoid. Had to get them on ebay. local parts stores did not have them. After repairs the trans. working properly. All started by getting wrong parts. Thanks for the replies. Sorry it took long . ...	4

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