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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for December 19, 2014
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Open Help Requests for All Makes and Models
Help Request Answers
2001 BMW 330Ci 3.0L MIL Lamp on VIN: WBABS53411
My fuel pressure is out of spec at 45 psi even with vacuum hose disconnected. Spec is 50 psi at idle and 60 psi with regulator disconnected.keeps popping lean codes at cruise.i can clamp the return line on the filter and fuel pressure goes up to 85 psi. I have...
2010 BMW 328i 3.0L Radio VIN: WBAPH7G52A
When programming the footwell module using a DrewTech and BMW online programming we lost operation of the Radio-Cd-Satellite radio. The display on the radio had a strange dialog displayed regarding the satellite radio being inoperative. additionally we were un...
2003 Cadillac Seville STS 4.6L Axle seal VIN: 1G6KY54943
Vehicle has a 4T80-E transaxle. The left axle seal is leaking badly on this vehicle. The axle seal has been replaced 4 times and the axle has been replaced. With the axle fully installed there is vertical play, indicating the bushing is worn. I can not find a ...
2002 Chevrolet Trailblazer LS 4.2L Mode controls VIN: 1GNDT13S32
Have this trailblazer here with dual auto hvac that wont put heat on the floor. There are no DTC's and the temp sensors data looks good. Defrost actuator counts stay high and won't move when commanded. The published info from alldata leads to another HVAC c...
1990 Ford Ranger STX 2.3L Cuts out VIN: 1FTCR10A0L
Hello got this in as fill in work cuts changed engine replaced fuel pump drove for three days and quit. Started with crank no start. Co fuel press none changed pump Assy started ran like crap. Cust informed changed crank sensor took cover off timing belt was o...
1997 Ford F-150 XL 4.2L MIL Lamp on, fuel trim VIN: 1FTDX1721V
merry christmas everyone! this one has me stumped. originally arrived with a dead misfire #1 cylinder and PO301. Tested/eliminated coolant leaking into cylinders, compression, ignition, valve train, EGR (ports clear), engine vacuum and confirmed NORMAL trims (... Trouble codes: P0174
2000 Ford Mustang 3.8L Excessive Emissions, No Start, Poor Idle Quality, Stall, Misfire, MIL Lamp on VIN: 1FAFP4043Y
This car came in running very bad and blowing black soot out of tailpipe. After turning it off it wouldn't restart, had to pull spark plugs and dry cylinders and plugs for it to restart. Fuel pressure reads 75 psi, I am able to control it with a scanner. Fuel ... Trouble codes: P0412
2004 Ford Explorer Sport Trac XLT 4.0L Poor Idle Quality, Misfire, Poor Fuel Economy VIN: 1FMZU67K54
the vehicle came in overheated so bad it damaged the motor so we installed a reman engine from LKQ with an install kit upon starting the vehicle it started to shake real bad at idle in gear but smooths out on acceleration hooked up scanner and found bank 2 run...
2004 Ford F-350 Super Duty Harley-Davidson Edition 6.0L Misfire VIN: 1FTSW31P94
I have this 6.0 that runs fine at idle and when stomping on it. Starts good even at -5 and not plugged in. This truck came to me not running last year. The owner told me another shop had replaced the injectors twice in the last year. I checked it out and came ...
2004 Ford F-150 XLT 4.6L Security Module VIN: 1FTRW12WX4
Has bad security module. Head lights flashing ect. Install new module and module wont program. Original module has number 4l3t-15604-ae, new module has number 5l3t-15k602-ba on part but ford says thats the engineering number and actual pn is 5l3z-15k602-ba. Ne...
2006 Ford Five Hundred SEL 3.0L abs VIN: 1FAFP24156
vehicle came in to the shop after having a nine hundred dollar bill from another shop so i would really like to fix this car. the abs light is on and i have codes c1297 right front wheel speed signal malfunction and u0415 invalid data received from anti-lock b...
2004 GMC Envoy SLT 4.2L Engine VIN: 1GKES16S54
I'm at my wits end with this Envoy. After reinstalling cylinder head I have developed a misfire on cylinder #5. Upon startup, no misfire is evident. As it warms, I can observe the misfires start to rack up on scan tool. The warmer the engine becomes, the faste...
2006 Honda Pilot EX 3.5L Excessive Emissions, Poor Fuel Economy, MIL Lamp on VIN: 5FNYF28656
Vehicle apppears to run fine. Using scan tool,and viewing O2 sensors Bank 1 appears lazy in switching, Practically a flat line when viewed against the bank 2 ,O2 sensor. Upon increasing RPM they come alive, the B1 sensor is still Weak , the B2 looks like a nor... Trouble codes: P0420 (Catylist efficiency)
2003 Jeep Liberty Sport 3.7L Valve Covers VIN: 1J4GL48K33
Car came in with oil leak at rear of valve covers,replaced gaskets and torqued covers to factory spec. Car returned with leakage again after 7000 miles, checked with dealer who told us they had a modified cover that comes with gaskets so replaced again. Jeep i...
1986 Mercedes-Benz 420SEL 4.2L 1-2shift VIN: WDBCA35D7G
trans id # 126270 90 01 [...] 679.trans shifts 1st to 4th.if manually shifted it is the same except you can feel a very slight change from 4th to 3rd.dropped valve body to check k1,k2 dampers and control valves are assembled correctly.the # 21 check ball...
2005 Mercedes-Benz CL55 AMG 5.5L power window VIN: WDBPJ74J25
Battery went dead-trickle charged-rh power window will not reset code-code says k1.30b terminal low or no power. Live data rear window switches show operation but front master switch does not...all fuses good-where is the relay/circuit,need a wiring diagram fo...
2004 Nissan Sentra SE-R 2.5L MIL Lamp on VIN: 3N1AB51D04
We have a 2004 sentra here that came in with a cat code and the cat definitely shows bad on scan data during a drive cycle. The issue that bugs me is that the vehicle is staying in open loop all the time even though all the data pids look normal other than the... Trouble codes: P0420
2008 Nissan Frontier LE 4.0L No Start VIN: 1N6AD07WX8
This Frontier is a puzzling one. Originally the complaint was that it would crank and not start when it warmed up. Most of the time once it warms up it cranks and won't start but it also does it sometimes when it is cold. It either starts right up like nothing...
2008 Porsche Cayenne 3.6L Poor Idle Quality, Surge, Misfire, MIL Lamp on VIN: WP1AA29P78
Porsche and VW touareg techs please help! have 2008 v6 cayenne came in with poor idle and MIL illuminated, performed the listed repairs and still have the same code, P0674. code comes back almost immediately. The valve cover with built in pcv valve/oil separat... Trouble codes: P12A2, P0674
2004 Toyota Prius 1.5L Hv battery VIN: JTDKB20U04
Question is an its probably stupid. Which module is number one. Im replacing number 5 because it drops down to low, just trying it out. Which side do i start counting in on?
2004 Toyota Camry XLE 2.4L Pcm recovery VIN: 4T1BE32K34
Does anyone know the PCM recovery procedure for a Toyota PCM. This car came to me after another shop tried to reflash and now PCM will not communicate. I have Toyota CD with calibration but will not accept using I-flash pass thru.
2003 Volkswagen Beetle GLS 1.8L MIL Lamp on, Lean VIN: 3VWCD21Y83
More hair lost. I have a Beetle with a P0171 code setting. Upon checking fuel trims after client dropping off vehicle, short and long were both + or - 0 to 3. Normal at the time I checked it. Stayed the same throughout complete test drive cycle. Checked freeze... Trouble codes: P0171 (Running lean Bank 1)
2012 Volkswagen GTI 2.0L Unknown VIN: WVWGV7AJ7C
Hey guys happy holidays. Just trying to sort out this customer's issues. Says that the car stalled on him twice in 2nd gear, and that it's hard to shift gears when cold. This VW is pretty new, not much found in the usual places (Identifix, Alldata, TSB search,...
2000 Volvo S40 1.9L oil pressure light VIN: YV1VS255XY
Car came in on the hook as a no start . Found that the water pump bearing had came apart and let the timing jump which bent valves. Removed head and sent to machine shop for a valve job. Got everything back together and started up and it runs fine but the oil ...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2004 Audi A4 Quattro 1.8L Heat VIN: WAULC68E04
Vehicle is fixed. New heater core. Tried flushing and bleeding the original one several times. would have heat for 5 minutes them would start cooling off. The heater core was the last thing to change. That fixed it. Have not had time to cut it open and look in...
2006 BMW 530i 3.0L Overheat message on dash VIN: WBANE73556
Thanks for all the replies, after replacing the electric water pump the system went into bleed mode first try and have had no more O/heat problems. the operating temp stays in the 206 range.
2008 BMW 335xi 3.0L High Beams VIN: WBAVD53598
Thank you ALL that replied. It turned out the vehicle needed the FRM module. It set a code 9CBB for short detected, After 50 key cycles with a shorted headlight will cause FRM module to lock out that particular circuit. We got FRM from BMW installed and progra...
2002 Buick Park Avenue 3.8L Misfire VIN: 1G4CW54K92
2010 Chevrolet Silverado 1500 WT 4.8L airbag light VIN: 3GCRCPEAXA
Robert from Pennsylvania was right sensor A is part of pass presence system under/in r/f seat, armed with this info. i found no power to the passenger presence module.traced to open wire at harness on driver side rocker panel. also found it should have se... Trouble codes: U0170.
2003 Dodge Grand Caravan SE 3.3L No Start VIN: 1D4GP24353
Thanks to everyone who replied to my request! The fix was a bad ecm. I checked the harness under the ecm, the best I could. Didn't see any rubbed areas, I wiggled the harness, never did get voltage out of either the 5v or the 8v supply wires. Talked this over ...
2007 Dodge Dakota SLT 3.7L Stall VIN: 1D7HW48KX7
Thank you to everyone that replied to my post. I really appreciate you taking the time to help. A special thank you to Keith from Washington who was the very first person to reply to my post. He recommended double checking the ground/s at the battery. Su... Trouble codes: P0884 (Power up at Speed w/automatic transmission), P0522.
2001 Ford Ranger Edge 4.0L engine VIN: 1FTZR15E31
Thanks for all the tech help. After working for Ford for twenty years and replacing many timing chains in 4.0 SOHC motors I have never seen just one half of a chain link break on a new chain with less than 100 miles. CARQUEST will be paying for this job.
2001 Ford Explorer Sport Trac 4.0L ccant keep it aligned VIN: 1FMZU77E51
on a ranger truck forum said check torsion bar height the r/side was 3/4 inch lower who would think to check that we do now on any torsion bar truck thanks iatn members for there help in this repair
2009 Ford E-450 Super Duty 6.8L Poor Idle Quality, Hesitation VIN: 1FDXE45S69
Thanks for all the replies. the PCM was bad, it was replaced. Trouble codes: P06B8.
2009 Ford F-150 FX4 5.4L MIL Lamp on VIN: 1FTPX14V09
There is no flex fuel sensor. It uses an inferred calculation for flex fuel quntity. It uses a "Universal HO2S" for exhaust oxygen calculation. Monitoring the amp draw to the sensor tells the computer what the exhaust oxygen content is. I tested resistance o... Trouble codes: P0130 (Oxygen sensor circuit B1S1), P0150.
2003 GMC Envoy SLE 4.2L MIL Lamp on
Thanks for all the replies...several suggested crank end play...balancer washer and chain problems...others suggested CKP correlation relearn ( not something my scanner can do)...wiring and ecm were also mentioned... I did not go any further with the job...th... Trouble codes: P1345.
2006 Hyundai Sonata GL 2.4L MIL Lamp on VIN: 5NPET46C06
Thanks to everyone for their input on this vehicle. In response to some of the tips I received yes I checked for codes in all the modules and and all of them came back with no codes found. I am using an Autel maxidas. I did check thru global obd 2 and thru the...
2008 Hyundai Tucson SE 2.7L No Start, smokes VIN: KM8JN72D08
Again I wish to thank those who take their time to reply. When we received the vehicle, it was obvious that the engine was flooded from the customer trying to start the engine--but this time there was an odor of gasoline, instead of diesel fuel. We replaced a...
2004 Isuzu Axiom S 3.5L Hesitation, Surge, Misfire VIN: 4S2DE58Y74
Unfortunatelly so far we have not get the PIN code to reflash the new PCM and customer is taking the truck back.Thank you to all the fellow techs that took the time and effort to try to help. Trouble codes: P0305, P0303.
2000 Lexus RX300 3.0L power locks VIN: JT6HF10U6Y
Sorry made a mistake on the mileage 156,348.This is my own vehicle and have been very busy at work,have not had time to work on it.IT turns out that a few weeks ago my battery died and I replaced it .On my way to work this morning I ask myself what if replacin...
1997 Mazda Protege DX 1.5L No communication VIN: JM1BC1415V
special thanks to f 4Report Abuse ok Matthew from Wisconsin Dec 3, 2014 8:11:36 AM At the obd2 connector check for power at the blue red wire, ground at black ground at black/blue and check continuity from brown/white wire to pin 1d at pcm, if all is well ... Trouble codes: P0420.
2005 Toyota Avalon Limited 3.5L Remote fob operation VIN: 4T1BK36B55
Well, after everything else checked out, it was left to the remote fobs. However, customer refused replacement just yet as he is not fully convinced they are the issue. Thanks for the help
2007 Toyota Camry XLE 3.5L no start VIN: 4T1BK46K47
thanks for the reply's Mr Booth was correct. Problem was we had all ready done this . i have had several Chrysler where we have had to clear everything and start over.We let it sit over night and redid the procedure over and worked fine. Perhaps some one will ...
2008 Volkswagen Eos VR6 3.2L Poor Idle Quality, Surge, MIL Lamp on VIN: WVWDB71F88
Fixed and back on the road. Benjamin, William, Timothy, Nigel, Mike and Jeff were all correct in that what passes for the PCV valve is an integral part of the valve cover. We did attempt to disassemble the valve mechanism to see what happened but it's molded a... Trouble codes: 16452 (MAP/MAF Throttle correlation), 16485 (MAF Performance).
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