Automotive Technicians Technical Discussion and Fixes for Feb 27, 2015

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	Help Request	Answers
	2013 Acura MDX 3.7L Engine VIN: 2HNYD2H39D Battery went dead, owner recharged it. Upon starting, the ck engine light was on & car ran poorly. Scan shows random misfires with #4 cylinder being much worse than others. I replaced the plug for that cylinder & rechecked. #4 shows no misfire & now #6 is as b...	View
	2007 BMW 335i 3.0L valve train VIN: WBAVB73517 The car came to us with a performance/running issue and the above codes were retrieved. While checking out the performance problem a very distinct, loud engine noise was heard from the upper valve train. The sound is coming from the front of the engine and can...	View
	2013 BMW 550i 4.4L Poor Idle Quality, Cuts out, Stall, MIL Lamp on VIN: WBAFR9C53D This one is a strange one but I'm not a BMW guru. This car was hit in the front. The body shop brought me the car after they installed two used throttle bodies. The codes return as soon as the car is started. It runs horrible with zero throttle response. I hav... Trouble codes: 10140, 10150, 100A0, 100B0, 1F050	View
	2003 Cadillac CTS 3.2L Poor Idle Quality, Surge, MIL Lamp on VIN: 1G6DM57N53 Hello Caddie tech's, we replaced the intake manifold gaskets for a missfire on bank one, 1,3 and 5. That fixed the miss, but this car was started without the throttle body hooked up. So now we are having a problem with getting this to relearn. Did the procedur... Trouble codes: P2176 (Min t/p not learned)	View
	2008 Cadillac CTS 3.6L No power VIN: 1G6DV57VX8 Hey guys. I got this 2008 CTS with 3.6 L "V". Costumer had it towed in with "Reduced power" message on display screen and trouble codes P0087 & P0089. With the little information and knowledge I have on this fuel system I tested fuel rail pressure sensor signa... Trouble codes: P0087 (Fuel rail pressure FRP too low), P0089 (Fuel pressure regulator performance)	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 Cavalier 2.2L Stall VIN: 1G1JC12F94 This car shuts off while driving. It runs fine when running. When it shuts off, it will restart if you turn the key off and back on. I have even had it die (quit pulling) at 50 MPH and cycled the key off-on and it will pick right back up without ever coming to... Trouble codes: P0141 (B1S2 O2 sensor heater)	View
	2004 Chevrolet Tahoe LS 5.3L ipc/alternator VIN: 1GNEK13Z04 Truck was towed in stalled while driving. connected charging/tested,charged battery, performed system test,all passed except battery.alt output 14.3 volts idle no load. under load conditions 13.8 volts. replaced battery performed system test, no alternator out...	View
	2005 Chevrolet Express 1500 LS 4.3L tcc VIN: 1GCFG15X45 Complaint of poor acceleration. First road test confirmed the complaint. Second road test showed no issues. Owner is cheap (like most) and wanted to just service the trans and hope for the best. Van is back with same complaint and codes. I have a TCC solenoid ...	View
	2010 Chevrolet Impala LT 3.5L ignition cylinder VIN: 2G1WB5EK9A Vehicle came in with complaint that the key wouldn't turn off.Tech found that if theft module was disconnected,key turns off.Cannot find a diagram for module on alldata or Mitchell.Can anyone point us in the right direction?	View
	2010 Chrysler Town & Country LX 3.3L 1-2 shift VIN: 2A4RR4DE6A Let me first say that we are primarily a German import shop, and we rarely see domestic vehicles. That said, we have this van with a loud electric motor noise, sort of a buzzing or whirring just prior to the 1-2 upshift. There are no faults stored. There is no...	View
	1999 Dodge Ram 1500 Laramie 5.9L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1B7HF16Z9X ok this is a short trip driven truck...i replaced heads and timing chain back in 2012 and has 12k on it since then...has cel for cyl 2 misfire which can see on scanner more than feel..first thing i did was check and replace plug with no change...proceeded to m... Trouble codes: P0302	View
	2007 Dodge Nitro R/T 4.0L Hvac VIN: 1D8GU58657 Vehicle came in with a No Heat in Cab complaint. Customer had replaced water pump and then the heater core. Still didn't have any heat in cab, customer was done working on it. I performed a block test and found moderate hydrocarbons in the coolant, failed head...	View
	1999 Ford F-150 Lariat 5.4L mil lamp VIN: 1FTRX18L1X Truck came in after other shop has install cluster due to check engine light not working.So perform voltage test at cluster has ground on pin 1,white connector and 12v at pin#2,#10,#11 the black connector pin #17 is ground,i see that the cluster takes about 15...	View
	1999 Ford F-350 Super Duty Lariat 5.4L Cracked Case VIN: 1FTSX31L5X 4r100 cracked case at rear area of transmission,about 3-4inches before the transfer case adapter. Almost all the way around the top of trans. Leaks fluid. The first trans cracked at bell housing traveling down the interstate. No fluid lost at this time. Instal...	View
	2004 Ford F-250 Super Duty Lariat 6.0L hard binding VIN: 1FTNW21P14 truck came in with broken pitman arm shaft on gearbox. cust was driving slow straight right after startup and turned wheel and kept going straight. replaced steering box and flushed system, have brakes but no power steering. when acellerate will have power and...	View
	2010 Ford F-150 STX 4.6L MIL Lamp on VIN: 1FTEX1E81A Hi guys have a 2010 ford f-150 4.6 vin8 pickup in mil light on runs fine. Pulled 2 codes, p0171 p0174 both banks lean. Check fuel pressure 60psi. Check freeze frame vehicle was at 1800 rpm 49 mph, both long term trims max. Out at 29.7% short trim bank 1 9.3% b... Trouble codes: P0171 (Lean condition bank 1), P0174 (Lean condition bank 2)	View
	2001 GMC Yukon XL 1500 Denali 6.0L MIL Lamp on VIN: 1GKFK66U61 most of the time fault sets on cold start up but have gotten it to fail on decel at highway speed inspected wiring from tps to tac module. Issue occured after lower intake gasket repair Trouble codes: P1221, P1220, P1515	View
	2003 GMC Sierra 3500 SLE 6.0L No Start VIN: 1GDJC34U53 Cranks but no start condition. Turns over, sounds like it's firing then dies every time. This truck was towed in from another shop. They got as a no start with a P0336 code (intermittent crank signal-bad signal for at least two seconds). They put in a crank s...	View
	2000 Honda Odyssey EX 3.5L No Spark COP 2000 odyssey dies after running 5 min no spark, Has Fuel New Crank Sensor, IMO Light Goes Off 3Sec After key Is Turned On, Cranks Good. Engine Speed While Cranking Is 200 RPM Main Relay On, IMO says RUN On Scanner.	View
	2002 Honda CR-V EX 2.4L engine VIN: JHLRD78872 Hi,well this one is a small mystery,customer said it was losing power and got worse and worse until it stalled and will not restart.They told me there w a s a rattling or humming noise in front of the glove box as it began to run worse.. After engine stalled i...	View
	2010 Infiniti EX35 3.5L Left side mirror camera VIN: JN1AJ0HR1A I have a 2010 infiniti EX35 here that the drivers side mirror has been replaced due to a accident. There's an "X" in the display monitor in place of the mirror. I'm looking for the Initialization procedure for the camera. It's not a scan tool function as there...	View
	2005 Jeep Grand Cherokee Limited 4.7L transmission VIN: 1J4HR58N35 hello, i have a problem with this SUV, i have an otc pegisys scanner, and im getting codes p0700, p0101, and p01603. the problem i have is that im trying to get straight transmision codes, and it says comunication error, tried ABS system, and also says comunic...	View
	2005 Land Rover Freelander SE 2.5L Surge, Cuts out, Stall, MIL Lamp on VIN: SALNY22245 This problem comes and goes from day to day and may run good for two or three days. This thing is starting to be a hair puller. What is going on the car will all of a sudden will have no power an will get a check engine light. P0261 Injector power stage cylind... Trouble codes: P0261 (Injector power stage cylinder 1), P0302 (Missfire cylinder 2), P0301 (Missfire cylinder 1)	View
	2003 Mini Cooper 1.6L axle shaft seal VIN: WMWRC33423 Need some help here guys... i have installed a new seal and new axle shaft and this damn thing comes back every month leaking again. at first i thought i might have installed the axle shaft seal wrong but this is the fith time i have replaced axle shaft and ax...	View
	2003 Nissan Altima S 2.5L Heater VIN: 1N4AL11E13 Car was purchased from a local body shop. Customer states engine is quick to reach normal operating temperature but does not blow heat at idle. At road speed heater works ok but does not drive you out of the car. Engine does not over heat. Other place changed ...	View
	2007 Nissan Altima Hybrid 2.5L Starting VIN: 1N4CL21E77 My question is... if I had a C1317 code for the ABS capacitor would that stop the car form starting?? The car has been sitting up for 6 months with a bad 12volt battery so I have replaced the battery and I am assuming if I turn on the ignition it will charge t...	View
	2009 Nissan Frontier SE 4.0L ecm VIN: 1N6AD07W69 truck was towed in for crank no start found codes u1000 performed can diagnoses idpm has no communication to ecm and tcm has no communication with ecm replaced ecm and that one failed tested all grounds and powers all ok wondering if there is any electrical pr...	View
	2002 Saturn Vue 3.0L engine VIN: 5GZCZ63B72 Hello techs! I have a big problem and I hope to eliminate this problem with your advice. A week ago a customer brought to me 2002 3.0l Saturn Vue with hard start complaint. With my Modis scanner I saw that the MAF, IAT, ECT, CMP sensors had fault codes. After ...	View

Fixes & Summaries for All Makes and Models

	Fix/Summary	Answers
	2006 BMW Z4 Roadster 3.0i 3.0L no power on fuse 32 VIN: 4USBU33556 customer decline more dia. he going to dealer if i find out will update.heard back from dealer has bad dme checking 100 ohms suppose to be 60 ohms.	6
	2007 BMW 328i 3.0L emissions VIN: WBAVC53587 Good news and bad news. First of all thanks to all who replied; your advice is much appreciated. First the good news.Of all the fault codes that occured, I have corrected all but the 2A87 Vanos, mechanism (retarded timing exhaust bank 1). The car had no vacuum...	22
	2007 Cadillac Escalade 6.2L Poor Idle Quality, MIL Lamp on VIN: 1GYFK63807 Thanks for all of your help on this one the customer decided not to make repairs Thanks again Tom Trouble codes: P0420.	7
	2001 Chevrolet Impala 3.4L Extended crank after hot soak VIN: 2G1WF55E51 The problem was the fuel pressure regulator. When I first was testing the fuel pressure and regulator I didn't see any fuel leaking out of the vacuum port. I guess I didn't wait / run it long enough but nonetheless today it was certainly showing signs of leaka...	30
	2005 Chevrolet Trailblazer LS 4.2L Canister Vent Solenoid/PCM VIN: 1GNDT13S35 Well, I'm glad I took the time to post on here and wait to see if I received any useful replies. I went back over my tests again and finally did confirm that the White wire at Pin 17 at the PCM had been compromised somewhere between the PCM and the vent valve....	11
	2006 Chevrolet Impala LTZ 3.9L MIL Lamp on Thanks for all who replied with car has been fixed! I found that the lower intake gaskets were leaking internally after I smoke tested the vehicle again after letting it sit outside overnight in -15 degree whether ( got to love Iowa) . Intake gasket set has be... Trouble codes: P0171, C0561.	17
	2006 Chevrolet Trailblazer LT 4.2L charge light VIN: 1GNDS13S56 Thanks for your help. Most of you were right. The problem was in the cluster. Replaced it and all is well.	14
	2008 Dodge Ram 2500 SLT 6.7L EGR System VIN: 3D7KS28AX8 Thanks to all, I didn't get the truck back yet after letting the guy know how much the EGR will be, no cheap fix however after what I've heard and diesel techs I've talked it's a good guess at this point it needs an EGR valve.	4
	2002 Ford F-250 Super Duty XL 5.4L Heating VIN: 1FTNF21L72 SORRY FOR THE DELAY. WE FINALLY FIXED IT, AIR WAS TRAPPED IN THE 2 LOWER HOSES OF THE OIL COOLER, WE CLAMPED THEM OFF AND TEST DROVE THE TRUCK, SAME RESULT WHILE IT WAS RUNNING WE REMOVED ONE CLAMP AND THE COOLANT PUKED AND YOU COULD SEE THE HOSES VIBRATE. REM...	14
	2003 Ford F-350 Super Duty XLT 6.0L suspension VIN: 1FTWW33P93 Thank you to all who have helped with their replies. As all of you experienced technicians know sounds and rattles can unfortunately torture us all. My technicians and myself performed extensive testing on this vehicle. We found the springs would start resonat...	10
	2005 Ford F-150 FX4 5.4L no start VIN: 1FTPW14585 I have replaced the computer with a used one and programmed it. Two cold days and all is good.I did pull the old computer apart and it had a large BGA ball grid array IC.Which is probably where the problem was.I was not comfortable re-balling it.So I got anoth...	9
	2006 Ford Fusion SE 2.3L No Start VIN: 3FAFP07Z36 going back with loud light[high draw light bulb] with throttle plugged in found a small drop on ignition circuit from fuse 42 in underhood panel. checked with meter 9.9 volts while rest had 12volts, ran new wire from fuse box all is well with this one. The dro...	9
	2008 Ford F-350 Super Duty XL 6.4L Engine VIN: 1FTWW31R18 Well, my choices are Fixed or not fixed, so I chose fixed even though I am not sure. It has been an intermittent problem that rears up randomly and of course it never failed in my shop. After taking it for many test drives and clearing the codes each time, the...	8
	2011 Ford F-350 Super Duty XL 6.7L Dome light VIN: 1FD8W3HT4B For those who said "MUST BE PROGRAMMED WITH FORD PROGRAMMING", they were right. Had to take it to dealer and got the $100 hit even though all it needed was the simple CEI lock reset. Had the printed page showing the only step left was CEI lock reset. They also...	10
	1992 GMC Typhoon 4.3L Poor Idle Quality VIN: 1GDCT18Z8N Thanks for all that had any input, map sensor was all over the place on the readings.i replaced and although it didn't idle perfect, it did make a great difference.	12
	1991 Honda Accord LX 2.2L s light VIN: 1HGCB9857M Many thanks to Winston, Jim, James, John, Eric, and David. Although I have not yet fixed this Honda I am confident that the problem is in the control unit since the replies all agree that is where the most common failure occurs. I have removed it and taken it ...	6
	2009 Infiniti G37 X 3.7L heater VIN: JNKCV61F09 This one threw me for a loop. After I ran all of the diagnostic tests, and they came back telling me that everything was working as designed, I then addressed the cooling system itself. I performed a cooling system flush/service and discovered the cooling syst...	4
	1994 Lexus GS300 3.0L 3-4 shift VIN: JT8JS47E1R Thanks to all of those who offered genuine help. Kinda have this one fixed. Hooked my scanner back up and looked a little closer. Most mentioned the CTS. This unit will not go into O/D until 131 degrees F. Some said at least 175. This vehicle was operating at...	7
	2002 Lexus LX470 4.7L ride height VIN: JTJHT00WX2 AS OF NOW, OWNER HAS PICKED UP HIS TRUCK. I DISSASEMBLED THE FRONT RIDE HEIGHT SENSORS WHICH WERE CLEAN. WE SET THE RIDE AT THE NORMAL SETTING & REMOVED THE FUSEBLE LINK. I DID GET A CALL BACK FROM THE OWNER TELLING ME THE HEIGHT & RIDE HAS BEEN FINE. HE'S OK...	5
	2002 Pontiac Firebird Formula 5.7L MIL Lamp on VIN: 2G2FV22GS2 found short in wire harness to ftp sensor on return ref. replaced wire to ecm Trouble codes: P0446.	11
	2005 Toyota Tacoma Pre Runner 4.0L Electronic VIN: 5TEJU62N15 We replace the pickup (revolution) sensor on the a/c compressor and that did the trick. DVOM DC Voltage @ R-W wire(lead 1) & W wire(lead 2) @ amplifier behind glove box was 0v before repair. 2.5v after repair while clutch is engaged. Thank you everyone for t...	13
	2005 Toyota Sequoia Limited 4.7L MIL Lamp on VIN: 5TDZT38A25 thanks for all the great help i recieved.the problem turned out to be the air injection pump.i would not have guessed that because i could hear what i thought was it run for a few secs.after getting authorization to remove the intake for further testing i ran ... Trouble codes: P0418.	5
	2005 Volvo V70 R 2.5L Valves VIN: YV1SJ52775 Thanks to everyone's expertise and Anders reminding me about Erie Foreign Vo Vo, I purchased a used head from them for $375 shipped which is cheaper than having machine work done. Thanks guys! I appreciate it!	6

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