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Prev Professional Automotive Repair Technical Discussions for March 5, 2015
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Open Help Requests for All Makes and Models
Help Request Answers
2006 BMW 330xi 3.0L Brake pedal pressure VIN: WBAVD33596
This vehicle exhibits a hard brake pedal intermittently at random times. The car was thought to be fixed with booster hose, grommet, and check valve. Car went 1,300 miles before this condition resurfaced. Suspecting DSC unit but there are no faults in the syst...
2006 Chevrolet HHR LT 2.4L guages VIN: 3GNDA23P16
Well here i am again with another head banger! this HHR was sent to the dealer for the famous ignition switch fix along with having the shifter assembly replaced due to the damaged release cable. when we got it back we replaced the battery due to low life expe...
2012 Chevrolet Sonic LS 1.8L engine VIN: KL1JD5AE0C
hello, i have a chevrolet sonic 2012, the car was brought for an overheated engine due to an electrical problem (fans failure). i repaired the head (shaved), replaced gasket,fixed electrical problem, put everything back together, and everything works perfect, ...
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...
2003 Chrysler Town & Country LXi 3.8L Coolant in engine oil VIN: 2C4GP54L03
Vehicle came in with coolant mixed in engine oil. I've pressure tested the cooling system with no drop for over an hour. I did a search, not seeing any typical failures for these engines, leaning towards intake or timing cover gaskets. Would like some input be...
2004 Dodge Ram 2500 ST 5.7L Hvac VIN: 3D7KU28D64
Any ideas on getting a low side quick connect disconnected it was soaked over night and every tool in the shop was used to try to get it Tech thinks we will have to cut it and replace the pieces does anyone have any suggestions?
2006 Ford F-150 XLT 5.4L MIL Lamp on VIN: 1FTPX12536
Please help. This vehicle here for third time, same code P0010. No other codes found, no complaints stated by customer other than check engine light came on. At the first time i check the ckt for bank one cam actuator solenoid and as everything pass ok i did r... Trouble codes: P0010 (Intake cam shaft actuator ckt. Open bank 1)
2009 Ford F-150 XL 4.6L No Start VIN: 1FTRW14869
tested power to fuel pump none tested fmp only V/g wire had power checked wiring from fmp to engine comp. no shorts or opens please can some one tell me how this system gets power on the br/w wire and the y/o wire at the fpm Trouble codes: P2006, P2007
2010 Ford Expedition Eddie Bauer 5.4L brake pedal feel VIN: 1FMJU1H51A
Please help as we are at wits end! This Expedition had badly worn rear pads with a stuck rear caliper. We put rear calipers, pads, four rotors, front pads. THEN we noticed the weird brake pedal feeling. We are not sure if it came in with this problem or if we ...
2009 GMC Sierra 1500 SLT 5.3L No Start
cust states traction control waring came on then truck began to run poorly /pulled over and then truck cut off and would not restart Trouble codes: C0561
2007 Hyundai Sonata Limited 3.3L Exhaust/Cat VIN: 5NPEU46F27
Keeps throwing P0420, cat efficiency bank 1, installed new OEM B1S2 Sensor, hooked up the verus and found b2s2 nearly flat lined, is there a way for B2S2 to pop a code for Bank1? Third time back to the shop for same code so I installed a Hyundai O2 sensor this...
2005 Infiniti G35 X 3.5L overheating at 3000 rpm VIN: JNKCV51F95
This car was purchased from the auction and started running hot after few miles and was towed in.Found thermostat was removed from the housing (probably to sell through auction) and replaced new thermostat and found water pump impeller separated from the water...
2005 Jaguar S-Type 3.0L Unknown VIN: SAJWA01TX5
to all jaguar gurus out there. got this vehicle that has p0783 - gear load 3-4. it periodically slips. before it had p0730 - incorrect gear ratio, p0781 gear load 1-2. is this time for a rebuid or solenoids that are stuck. thanks everybody in advance
2009 Jaguar XF Premium Luxury 4.2L MIL Lamp on VIN: SAJXA06B49
After replacing the b2 s1 o2 this p2099 came up after test drive. Would this post cat code be a catalyst efficiency problem. Also for the p0101 mass air code I smoke tested intake and only bit of smoke coming from egr valve. Any common mass air problems with t... Trouble codes: P2099 (Post cat fuel trim system too rich bank 2)
2013 Kia Optima EX 2.0L Door Lock VIN: KNAGN419BD
Thanks for any input on this one. I have this 2013 Kia Optima giving a strange trouble here. It was noticed that the doors will unlock itself when the car is on motion and it won't lock even after pressing the lock button on the door switch until you put of th...
2006 Lexus LS430 4.3L right rear window VIN: JTHBN36F06
Hi lexus & toyota techs this might be easy for you but i can't figure this out. This ls430 came in for a few things. 2 of the problems were the windows on both right side doors. The rf window would slow down if used a few times like when gm window motors start...
1997 Saab 900 SE Turbo 2.0L MIL Lamp on VIN: YS3DF78N6V
This vehicle cam in with a P1171 and P0171. System too lean. The vehicle is MAP sensor only no MAF. Fuel trims are reading at about 24% at idle. Of idle they seem to be just fine. Checked Map sensor and its reading around 37kpa which is slightly high but not c... Trouble codes: P0171, P1171 (System too lean)
1998 Toyota Camry CE 2.2L engine VIN: JT2BG28K7W
This one is starting to drive me bonkers. 2 weeks ago, car comes in on hook for a no start. Fires up with a little help working throttle. Fires up every time after being started. Let sit for many hours, then doesnt want to fire. Will slightly spit and sputter,...
2000 Toyota Tacoma DLX 3.4L 4th Gear VIN: 4TAWN72N9Y
Hello Toyota Tech's, We have a missing 4th gear. No codes. We use scanner to actuate solenoids and can gear 4th gear, but only stays in for about 200 yards, then pops back into 3rd. In reading the data the VSS will not go above 22mph, while speed sensor for sp...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2007 Audi A6 Quattro 3.2L engine VIN: WAUDH74F27
the problem for codes p2006&p2007 turns out to be a crack on vac line at front left side that goes to a vac cannister located on left inner fender well,smoke test found it. thanks to all who replied Orlando
2005 BMW 645Ci 4.4L Misfire VIN: WBAEK73485
Thanks to all the help. As we all suspected, bank one was 180 out in relation to bank 2! I have never seen this before and didn't know it was even possible. It turns out that bank 1 had an issue with a valvetronic spring so he had to remove bank 1 intake cam... Trouble codes: P0301, P0302 (misfire cyl. 2), P0303, P0304.
2001 Chevrolet Camaro 3.8L cooling system VIN: 2G1FP32K31
Haven't fixed the issue yet. It is one of our flip cars so we haven't had a lot of time to look at it yet. when we do find the problem I will let all of you know. Thanks for the help and tips.
2002 Chevrolet Corvette 5.7L Unknown VIN: 1G1YY32GX2
Thanks every one for your inputs , and yes it was the connector for the door harness, repair it and now is good, thanks every one again
2009 Chevrolet Colorado WT 3.7L PCM Monitor Problem VIN: 1GCCS19E29
FINALLY! FINALLY! FINALLY! This one completed the H02S/02S sensor. That left the Evap, and as I said in my request, the Bureau of Automotive Repair (B.A.R.) in California will let only this monitor not complete when checking monitors during a smog test. T...
1997 Chrysler Sebring JX 2.5L Stall VIN: 3C3EL45H4V
thanks for all the help but this car still isn't fixed. i ended up putting in an ignition swich, ckp sensor,distributer,and iac motor.i have watched every waveform. the k line for dropouts or weird patterns,and only once have i recorded it when it acted up. th...
2005 Dodge Sprinter 2500 2.7L no crank VIN: WD2PD64455
thanks to all! van towed to dealer for key coding. finally talked to sprinter tech and he gave me low down.
2002 Ford Ranger Edge 4.0L Cuts out VIN: 1FTZR45E22
First off thank you all for all the great pointers and advise. After checking all grounds and harness connections we replaced the ignition switch. I don't want to call this one fixed just yet but iatn is demanding I close this request so fixed for now but I wi...
2005 Ford F-350 Super Duty King Ranch 6.0L Mechanical VIN: 1FTWW31P05
Bart from road island sent a video and it sounded like i recorded it. the customer took the truck and has traded it in. So i guess we will never know the actual problem. But it sounded bag on to Barts video Thank you for all that took the time to reply
2002 GMC Sierra 2500 HD SL 6.6L cv joint VIN: 1GTHK23102
Turns out one of the mounts had broken off the frame. This actually caused the whole thing to twist and brake the passengers side of the differential.
2004 GMC Sierra 3500 SLE 6.6L Alternator VIN: 1GTJK331X4
First off, thanks to all who replied to my request! Some of you explained that it is normal for the PCM brown wire voltage to drop as soon it is connected to the alternator. Some of you felt that I had a defective alternator right out of box... Which was e...
2000 Honda CR-V LX 2.0L alternator VIN: JHLRD1842Y
Charging system is now working correctly. Big thanks to James for sending me a pdf of the Honda dual-mode charging system. Found it quite interesting that Honda's don't charge when parameters are met like electrical load is 15amps or less;10 to 45mph or idle i...
2003 Honda Odyssey EX 3.5L stuck VIN: 5FNRL18633
Most replies said throttle body and some said it could be the cable. Some said to let it sit out overnight at the shop and see what item was sticking in the AM. I had already had the customer leave it here twice outside overnight and could not duplicate her pr...
2005 Honda Accord DX 2.4L Starting VIN: 1HGCM56135
we b have did all the test that were sent to us and to no avail believe this to be pcm related sent customer to dealer as we had no other leads to go to .thanks for all your wonderful replys
2007 Jeep Grand Cherokee SRT8 6.1L park lamps and over head lamps VIN: 1J8HR78337
I ran new wires from PCM field and sense wire this and complete removal of wiring from aftermarket high voltage ballasts for headlamps these were disconnected earlier with no difference I did not start this repair it was handed off after Someone else at the d...
1998 Lexus GS300 3.0L Lighting VIN: JT8BD68S7W
Thank You for all the help. The vehicle is finally fix and customer been driving the car for two weeks now without any problem. I was able to find the short to ground on the front driving light positive wire. It was completely cut through the protective cover...
2004 Mercedes-Benz CLK55 AMG 5.5L battery drain VIN: WDBTJ76H14
Customer has decided not to continue with additional diagnostic time.I have about 3 to 4 hours in vehicle and only charged 1 hour.Tried removing fuses, relays , modules under seats, over head console , and still had the drain.Told customer to take to mercedez ...
2010 Mercedes-Benz S450 4Matic 4.6L Transmission VIN: WDDNF8EB8A
Assumed after all this the ECM was bad. Sent it to the Dealer. Customer was able to get an ECM replaced under goodwill.
2008 Pontiac Grand Prix 3.8L Misfire VIN: 2G2WP55228
Thanks to everyone for the responses. Peter from Pennsylvania hit the nail on the head. After trying 2 ignition modules, I assumed it couldn't be the module, but he was right. I used a Borg Warner module thinking it was a quality product, but just to be sure, ... Trouble codes: P0300.
2006 Toyota Highlander Hybrid 3.3L No Start VIN: JTEEW21A76
the key was the problem. was finally able to get a spare key from the owner & started fine. i missed 2 important clues, 1st i did an all module scan for codes but didn't notice my tool does not support the imobilizer module, 2nd the security light was blinking...
2009 Volkswagen Jetta TDI 2.0L starter VIN: 3VWJL71KX9
Thank you all for your replies. The relay was in position 7 on the relay block above the central electric control unit. And the relay control wire on the diagram was suposed to be red with white tracer and this vehicle was red with black. The fix was the clut...
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