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Prev Professional Automotive Repair Technical Discussions for May 14, 2012
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Help Request Answers
2002 BMW 745i 4.4L emergency park system VIN: WBAGL63432
Car came in with park light on check emergency brake ma dual found nylon gears broken check if motor work it spin change nylon gears and now it will not turn at all has a code 5145 dose this Ned to be reprogram again any help I thank u for godbless
2004 BMW 530i 3.0L Poor Idle Quality VIN: WBANA73524
This car was a flood car that actually ingested water into the motor, but electronics seem to not have been affected.The motor was rebuilt by customer (my uncle) and then brought to me for running problems. I first replaced the MAF due to a hard code and no re... Trouble codes: 2783 (Air flow sensor with HFM), 28BA
2005 BMW X5 4.4i 4.4L Instrument Cluster and the Radio VIN: 5UXFB53545
Here we go... I just finished with a headache X5 just to get another one. Customer complaint is after driving for a while, car will shut off radio, and instrument clutser will light up like it has Key On Engine Off. Also shows Trans Fail safe mode in center of...
1985 Chevrolet Camaro Sport 2.8L Cooling Fan VIN: 1G1FP87S7F
Off the road for the past 6 yrs (no rodent damage found), cooling fan will always run switched on by ECM, as long as engine is running. KOEO will not run until engine is started-if engine stalls, cooling fan stops. Removing c.f. to ECM ground circuit will shut...
1999 Chevrolet Lumina LTZ 3.8L misfire VIN: 2G1WN52K3X
hi i have this lumina with p0300 any one with some help please temp-204 short term fuel trim -7.5 long term -9.3 shorth trim 3- 84.3 long trim 3-64.8 air flow 5.14 i have mil flashing and if i desconnect the maf it will stop flashing but will not stop feeling ...
2001 Chevrolet Express 3500 5.7L Misfire VIN: 1GCHG35R21
Hello, I have this van here that is giving me a headache. It came in for a misfire. I found that #2 injector was bad. Suspect poppet stuck. BTW this is a spider injector system. I replaced the injector and lower intake gaskets that were leaking. After I was fi...
2000 Dodge Ram 2500 Truck 5.9L No Start VIN: 1B7KF23ZXY
This truck cam in with a complaint of dieing some times if you wiggle the black plug at the pcm it would restart some times. We tested and replaced the pcm. It was fine for a few minutes now it wont start. This should be a simple fix it has no cam signal but i... Trouble codes: P0320 (Crank singal), P0340 (Cam singal)
2001 Dodge Dakota Sport 4.7L lock cylinder VIN: 1B7GG22N81
I have this Dodge Dakota that won't shut the alarm off when you use the key. If the remote does'nt work or is missing you can't shut the alarm off. With remote everything is ok. Pulled the door panel to take a look thinking it is the lock cylinder switch. No s...
2004 Dodge Dakota SLT 4.7L 4th gear/ od VIN: 1D7HG48N34
hi & thanks in advance for any help. this dakota pick up sets engine code p0700 & trans code p0770. happens when ships into 4th gear/over drive. we replaced solenoid pack in transmission, was ok for 1 week. rechecked & suspected harness issue. monitored comput...
2005 Dodge Ram 3500 Truck SLT 5.9L Run Away VIN: 3D7LS38CX5
This vehicle will intermittently want to run away after letting of the throttle. The engine will also run rough and puff black smoke. At times the rail pressure at idle will fluctuate as the ECM attempts to control it. Only recently has the P0251 code appeared... Trouble codes: P0251 (CP3 Pump Regulator Control)
2007 Dodge Caliber SXT 2.0L Noise VIN: 1B3HB48B17
This one is kcking my butt. Noise at 40 and up that sounds like a loose wheel. Steady koncking noise at wheel speed that get makredly louder when a gradual turn to the right. Cust installed struts so we checked his work first seems ok then we found a broken sw...
1989 Ford E-350 Econoline Custom 7.3L Long Crank VIN: 1FDKE37M5K
I am not very well versed in the older 7.3 So I need some help. What I have here is a 89 E350 Former U-Haul Van. Customer complains of a long crank cold. IT will long crank after a hot soak also. Cranks for about 15-40 seconds depending. While its cranking I a...
2003 Ford F-350 Super Duty XLT 6.0L Excessive Emissions, Poor Idle Quality VIN: 1FTSW31P63
Numerous repairs previously each taking care of a specific issue replace FICM , rebuild also required lower 1/2 replace turbo with upgrade replace injectors and EBP sensor one injector faulty replace warranty Engine good smooth lots of power for a while &...
2003 Ford E-150 4.2L Poor Idle Quality, Hesitation VIN: 1FTRE14283
Vehicle came in with no power, misfire...tested and found cyl one and two intake valves melted so bad that they had pulled up into the head. removed both heads and sent to machine shop for checking, planing and valves and guides. after putting this all back to... Trouble codes: P1131, P1151
2005 Ford F-250 Super Duty King Ranch 6.0L Cuts out, Stall VIN: 1FTSW20P35
truck came in as intermittent stall upon coming to a stop. It never acted up with us.Had no code in computer on the o.e.m. side or on the o.b.d.11 side. We went ahead and checked fuel pressure, was slow to come up and not much flow so we replaced the unit at t...
2005 Ford F-350 Super Duty King Ranch 6.0L No Start, Poor Idle Quality VIN: 1FTWW31P05
Long time user, first time post, so go easy on me. Got an 05' 6.0 that has a intermitent no start hot. Starts up all the time on cold starts and only no-start or hard-starts when it's hot. The kicker is the no-start only occurs when it begins to idle poorly. C... Trouble codes: P0299 (TC/SC Underboost)
2006 Ford Mustang 4.0L Charging VIN: VZVFT80N66
Good Morning Thanks in advance for all your help. We have this 06 Mustang w/the battery light coming on intermediately.Tested at battery and found were getting 14.2volts @idle.We have no way to check the diodes. All thoughts will be highly appreciated
2008 Ford Fusion SE 2.3L 1-3 shift VIN: 3FAHP07Z58
the vehicle will shift through PRNDL will no issues but when driving in D range from 1st to 2nd the trans will release from 1st but will not engage into 2nd gear. It will eventually shift into 3rd but will not go into any higher gear range (it will release fro...
2008 Ford Explorer Limited 4.6L Compressor VIN: 1FMEU75898
Hello guys, I really need your help on this ford explorer 2008 limited edition AC system suddenly stopped working. Checked the low and high side pressure reading, it was all within specified range. Scanned PCM, showed DTC B1255 (Air Temperature External Senso...
2008 Ford Edge SEL 3.5L shifting VIN: 2FMDK48C48
Installed dealer TSS & OSS first time I'd done one of these. Job was pretty straight forth I thought, and didn't have any difficulty. Road test when finished was suprising when trans. slipped upon acceleration. Letting up and being easy with it, drive could be...
2003 GMC Yukon SLE 5.3L Sunroof VIN: 1GKEK13Z13
HI All. Vehicle came in for Mil on and Sunroof open not closing. When the switch is operated there is slight movement from the sunroof in both directions.Scan test BCM =B1440.B2958,B2961,U1000.Monitor Data for possible intermittent power mode lost.Could not du...
2007 GMC Sierra 2500 HD SLT 6.0L MIL Lamp on VIN: 1GTHK29K57
This is a nightmare truck. Truck will divert to transmission limp mode and gauges will flutter when problem occours. PCM, TCM, BCM, ABS all loose communication. I have not been able to duplicate the situation in the shop. Problem will happen sometimes once a w... Trouble codes: P0575, P0700, P2544, U0101, U0102, U0100
2007 Hyundai Veracruz SE 3.8L Charging VIN: KM8NU73C87
Veracruz came in with completely dead battery. Customer stated the car completely died on him. vehicle could be jumped and run with battery pack. Battery was original so I installed new battery and checked the charge was at 12-12.5, no battery light. Figured i...
1998 Infiniti Q45 4.1L Hesitation, Misfire, MIL Lamp on VIN: JNKBY31A7W
Thanks to all in advance.Car came in with customer complaint of mil on and off and hesitates.I scanned and found 3 codes,2 knock sensor codes and a tps code.I road tested car and found that under light throttle it would loose power and backfire through intake.... Trouble codes: P0325, P0330, P1705
2003 Jaguar S-Type 4.2L Excessive Emissions, Hesitation, Misfire, MIL Lamp on, reduced pwr display VIN: SAJGA03U13
This car came in because it failed the emission test on friday. It came back today (monday) and the customer told us about the rough running on the highway. It will not accelerate to pass, it bucks then the reduced power display comes on and the MIL flashes. I... Trouble codes: P0171, P0302, P0304, P0306, P1314, P0140
2008 Land Rover LR2 HSE 3.2L Drivers Seat VIN: SALFR24N98
Hi LandRover Techs I have a 2008 LR2 here with no drivers seat functions (Except lumbar). I scanned for codes and got code U0208 no communication to drivers seat module. Seat module also failed network test. I quickly checked the 3 fuses for power seats all in...
1985 Mercedes-Benz 380SL 3.8L Rear Crankshaft Oil Seal VIN: WDBBA45C1F
I've got a come back for an oil leak in the rear crankshaft oil seal area. I'm aware that Mercedes offers a "repair seal". I'm concerned that this engine [supplied by customer] might have excessive crankshaft end play. I used great care in replacing both crank...
1994 Mercedes-Benz S320 SWB 3.2L Misfire VIN: WDBGA32E7R
replaced coils and plugs and wires. about 4 months ago. now has misfire only in second gear and up. if you shut car off it will be smooth again until you hit second gear. shut car off smopoth again. will not happen in shop. you have to drive. as long as you do...
2007 Mercedes-Benz C230 Sport 2.5L MIL Lamp on VIN: WDBRF52H37
I have p0017 or mb code 1199 ,basic setting of camshafts is right on. code comes right back after clearing.all timing components are MB we also replace the chain.swapped the cam sensors and the ajusters no different.reset adaptions Trouble codes: 1199 (P0017 continious ajustment of right exhaust camshaft)
2008 Mercedes-Benz S550 5.5L Transfer Case VIN: WDDNG71X28
Hi all, I don't see many Mercedes and I have one now that has a shudder on take off, feels like the front, sometimes when driving it will shudder mostly low speeds. All front suspension and rear suspension is tight, no bearing play. I saw a mercedes tsb that...
1997 Mercury Sable GS 3.0L transmission/over drive VIN: 1MELM50UXV
1997 mercury sable with only 65,000 miles,After driving on interstate 75 miles and hour for about an 1 hour car looses over drive and runs about 3800 rpm,at 75mph,Turn car off restart same problem,If car is cooled down trans works fine,No codes,Very hard for m...
2004 Mercury Sable GS 3.0L Power Steering VIN: 1MEFM50U74
Power steering very noisy.Power steering fluid all over pump and A/C compressor.Performed bleed procedure 3 times to no avail.When engine running P/S fluid sucks out of the pump and aerates and steering is hard and noisy.Fill when engine running and noise dies...
2007 Mercury Mountaineer Premier 4.6L Abs VIN: 4M2EU48837
hi fellow techs,this one is frustrating.customer camplaint is vehecle goes into stability control(boggs down) and stability lite comes on intermittantly.had this here 3 times,now finally sets codes.C1280-yaw rate sensor fault.B1915-airbag ckt failure.U0140 los...
2008 Mercury Milan Premier 2.3L Abs VIN: 3MEHM08Z48
Got a 08 Milan in from one of are local used car dealers. Customer complained while driving vehicle over a bump and braking at the same time the pedal would go to the floor. They had another shop work on it and I was told they tried replacing the master cylind...
2005 Mini Cooper 1.6L MIL Lamp on VIN: WMWRC33505
Hello Mini Techs, We have got a Reed switch issue and would like to know where the reed switch is located? We thought it was in the DMTL pump but we replaced this pump and have the same code. 1477 is the code. Thank you for any insight... Trouble codes: 1477 (Reed switch does not open / no signal detected)
1996 Nissan Maxima GLE 3.0L Gear slection VIN: JN1CA21D7T
***standard/5 speed trans, but this will not let me choose that*** This had the quite common issue of diff bearings allowing play in the axles and significant leaking with it. We replaced the bearings and all seals approx a month ago. Now it has come back wit...
2000 Nissan Sentra GXE 1.8L Ignition VIN: 3N1CB51D6Y
Hi every body. I need your help to solve this car's problem. I was called from another shop to give a hand to solve this problem. They told me that it was about a Nissan Sentra whose catalitic was getting red hot, a misfire on #4, stalling and MELTING ign. coi...
2002 Nissan Maxima SE 3.5L cyl 1 VIN: JN1DA31A82
This car is kicking my ass. Any help would be much appreciated. I have absolutley no spark on cylinder 1. Cylinders 2,3,4,5,and 6 are all perfect. Only dtc is po301. Compression is good across all 6 cylinders and fuel pressure and spray pattern are good as wel...
2005 Nissan Titan LE 5.6L None VIN: 1N6AA07B25
Code p0441 gross leak tank vent valve stuck open,tapped valve.applied 12 volts,valve inop,replaced valve with new,valve operates specs.vehicle came back with evap.control press sensor malfunction.could this just be a bad press.sensor?it is located in...
2007 Nissan Titan XE 5.6L Nats VIN: 1N6BA06A97
Can anyone give me the 4 digit NATS code to reprogram the NATS system on this truck. Dealer isn't exactly helpful, we have been waiting for a call back and when we call they keep telling us that they will call us back. Thanks in advance.
2001 Saab 9-3 2.0L Poor Idle Quality VIN: YS3DD58H31
another saab story- when first start in the morning, idle goes high like normal and 2 seconds later when it settles, car missfires, surges, in about 6-8 seconds the car settles in an problem goes away. replaced the cassete and plugs ( had autolite) to try and ... Trouble codes: P0300
1998 Toyota RAV4 2.0L shift interlock VIN: JT3HP10V2W
Has anyone had a similar encounter with shit interlock needing to be manually engaged. This looks like a simple system with only three inputs of 12v from ignition, acc., and brake pedal. there is a gear position input switch and ground to the interlock ecu. th...
2001 Toyota 4Runner SR5 3.4L Pinging/detonation VIN: JT3HN86R21
Hello Toyota Techs! We have a 01 4runner with a 3.4, Its supercharged off the lot. Customer complains of Pinging or Detonation on moderate and heavy Accel. even when he uses Octane booster. The first thing I think of is EGR function,(or possible clogged ports)...
2002 Toyota Highlander 3.0L ac pressure tops out VIN: JTEGF21A32
Replaced A/C condenser about 6 months ago. it came back about 2 weeks later complaining that it had no cold air. found pressures, low and high where pegged out. Pulled down system thinking it was over charged from condenser repair. Recharged and pressures wher...
2007 Toyota Solara Sport 2.4L oil consumption VIN: 4T1CE30P47
I have 2 customers with 2007 toyota's with the 2.4 engine both use at least 1qrt of oil every 1000 miles!! There are no leaks, I dont see any smoke, no oil in the cooling sys, tailpipe is not very bad. This one is my mothers car, I started using synthetic at a...
2009 Toyota Camry XLE 2.4L alternator VIN: 4T1BE46K29
Hello all and thanks in advance for the help. This car is not charging. We have sent the alternator out to be tested and it is fine. This car is computer controlled charging system. We have power at the main wire at the alternator and at the fused wire from th...
2001 Volkswagen Jetta GL 2.0L MIL Lamp on VIN: 3VWRK29M91
Hello vw techs this 01 jetta 2.0 keeps throwing throttle angle and position codes as u read above i have replaced every thing but wiring harness but wiring checks out if someone has ran into this any info would be great thanks jp Trouble codes: 221 (Throttle pos.sensor range), 1542 (Throttle angle sensor implauseable signal.)
2006 Volkswagen Touareg TDI 5.0L engine VIN: WVGPT77L26
customer tried to start with another vehicle key,, have original key and dash says immobilizer activated question ,, how can i reset the imobilizer system thank you Ron
2005 Volvo S80 2.5T AWD 2.5L No Crank VIN: YV1TH59235
Hello all. This vehicle was on the lift all week end and someone forget to shut the key all the way off. We tried starting the vehicle once a new battery was installed. Battery was replaced roughly a year ago so we just covered that under warranty. When holdin...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
1992 BMW 750iL 5.0L No power VIN: WBAGC8313N
2000 BMW 528i 2.8L abs VIN: WBADP6341Y
Thanks for all the help. This one turned out to be the ABS module as most of you (and I) suspected. Sent it out to BBA remanufacturing and all is well. In this case case, I could tell it wasn't the brake light switch since the code for the pressure sensor w...
2004 BMW 325Ci 2.5L Convertible Top VIN: WBABW33424
We replaced the door lock actuator and the vehicle has not been back in three weeks. Thanks for all the help
2005 BMW X5 3.0i 3.0L Fuse VIN: 5UXFA13585
FInaelly Fixed!! I have to thank Jeff [...] Dan for pointing me in the right direction. With a circuit break installed it would not trip due to its slow blow nature. Installed 5 Amp fuse and was able to track down the "Aux Water" pump was causing the fuse to ...
2001 Buick Century Custom 3.1L Oil gauge VIN: 2G4WS52JX1
2007 Cadillac STS 3.6L Exterior trunk release VIN: 1G6DW67737
Customer decided not to spend any more time on the repair as she didn't care if the exterior trunk release worked or not. Thanks to David for an excellent circuit description. I was remiss in not stating I'd verified the valet switch in my original post. Had ...
2006 Chevrolet Silverado 3500 LS 6.0L No Start VIN: 1GBJK34U56
Thank you for helping us with this problem. I received several helpful responses, particularly from the following: Mark and Wayne, both from Illinois, Alex from Georgia, Sisira from United Arab Emirates, and Dave from Ohio, that have helped us to isolate the ... Trouble codes: B2948 (Security System Sensor Power Circuit High), B2958 (Security System Sensor Data Circuit High), B2961 (Key in Ignition Circuit).
2002 Dodge Ram 1500 Truck 4.7L Misfire, MIL Lamp on VIN: 3B7HU18N32
Sorry I took so long to close this post but have been waiting to hear back from customer, I switched coil and plug to different cylinder to see if miss follows but I have not heard back yet so this problem appears to be very intermitent, I pressure checked coo... Trouble codes: P0302 (Cylinder 2 missfire).
2009 Dodge Grand Caravan SXT 4.0L ecm VIN: 2D8HN54X79
thank all of you guys tha car had to do 550 miles and then i check the monitors run . thank yous guys again
1997 Ford Windstar GL 3.8L MIL Lamp on VIN: 2FMDA5143V
Thanks for all the replies this is one of dumb ones that I will never forget but the O2 sensor was plugged in but not clipped in all the way as soon as I plugged it in all the way the O2 started working and code never came back. I advised the other shop to tak... Trouble codes: P1151 (Lack of HO2S-21 Sensor indicates lean).
2000 Ford F-550 Super Duty XL 7.3L MIL Lamp on, No Communication VIN: 1FDAF57F8Y
It looks like this one has a faulty PCM. I am getting the correct readings on one of the BUS circuits at the DLC but no signal on the other one. All circuits test good. Was trying to communicate to pinpoint misfire, had to test each injector circuit at the val...
2005 Ford F-250 Super Duty XL 6.0L hose blows off
Some great informayion from everybody that i can try, waiting for customer to bring vehicle back, he keeps rescheduling this will be 4 times so far, Once he returns i will let everyone know what we do to fix this issue. Thanks
2007 Ford F-250 Super Duty XLT 5.4L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1FTSX205X7
well fellows,looks like this one will need an engine in the future. i put 30w oil and a bottle of lucus in and can not get truck to act up anymore.i had about 50 psi of oil pressure but that was only with the engine warm not hot,so i checked pressure again wit... Trouble codes: P0022 (Cam over retarded bank 2), P0340, P0345, P0349.
2008 Ford F-150 XLT 5.4L compressor VIN: 1FTRW12578
Thanks for the replies. Jason was right,I did have a miss fire code, that my Tech forgot to tell me, which was the problem. After fixing the miss fire, which was a bad coil, I cleared all codes and the A/c worked great. Thanks again, John.
2010 Ford F-150 FX4 5.4L Hesitation, MIL Lamp on VIN: 1FTFW1EV2A
Thank you the quick replies I received. I replaced the throttle body assembly with no problems at all. I've done many on GM's. This was my first Ford and I just wanted to make sure that I didn't need an IDS for this repair. Thanks again for the help. Trouble codes: P2135 (P2111- Throttle Body Stuck Open), P2111 (Throttle Body Stuck Open).
1990 Jaguar XJS 5.3L Electronic VIN: SAJNW4849L
Good morning fellow IATN Techs. I am happy to report that this diagnostic dilema has been isolated. It apprears that this system is the later Delanair control unit which has vacuum servos under the radio-center vent. These are all vacuum controlled by elect...
2003 Lexus RX300 3.0L Srs
sorry about the delay Thankyou all for your replies but unfortunatrely customer did not want to repair the vehicle.After countless hours of trouble shooting the customer informed me that the air bag light has been on for years so we did not go any further with...
2004 Nissan Murano SL 3.5L Nats VIN: JN8AZ08T94
Thank you all for the replies! It starts right up now!! As a side note I used the Autel MaxiDas scanner to do this, what an amazing scanner for the money :)
2007 Porsche Boxster S 3.4L Radio Unit VIN: WP0CB29847
ACutally send this one to the dealer. I guess they come locked and you have to code it to get any function from it. I guess my Durametric was sending me down the rabbit hole. I took the dealer a wopping 10 mins. Looks like I need to get a PIWIS to prevent a...
2007 Suzuki Grand Vitara 2.7L Surge, No Throttle VIN: JS3TD94107
After rechecking all the wiring and watching the APP sensors move we went ahead and put the throttle plates on the car and fixed the problem. After they left with the car I opened the old one up to see what happened and found the motor winding's had burned up. Trouble codes: P2101 (Throttle Actuator Control Motor Circuit Range/Performance).
1997 Toyota RAV4 2.0L Reverse VIN: JT3HP10V8V
Thanks guys,I had the tranny rebuilt,a seal was cracked,so we did clutches & seals...Works fine now
2004 Toyota Sienna CE 3.3L Hesitation, Misfire VIN: 5TDZA29C44
replaced the B1S2 and B2S2 the vehicle cleared up and ran great. customer is driving vehicle with no missfires. Only thing is he is getting a code P430 for the cat. This is one he had replaced a while back so he is getting warranty on it. Thanks everyone for t... Trouble codes: P0057, P0300, P0301, P0303, P0305.
2005 Toyota Sienna CE 3.3L No Start, MIL Lamp on VIN: 5TDZA23C05
Update on this Toyota. Its claimed to have an interferance 3.3 engine so we pulled the upper cover to the timing belt We found both cam's were on the money but the crank mark was no were to be found.we pulled the lower cover, the crank was 160 degress out. we ... Trouble codes: P0352, P0354.
1997 Volkswagen Passat GLX 2.8L Ignition Switch VIN: WVWEE83A7V
Installed factory ignition switch and connector. The terminals crimped onto the wires were not loose, just the jacket had slipped out somewhat from the terminal. Only two wires were like this. I used heat-shrink tubing to seal each wire individually to its res...
2001 Volkswagen Beetle GL 2.0L enguagement VIN: 3VWBK21C51
well thanks to all. this one is fixed!!! it was the tranz its self. installed a new used one and shifts perfect. thanks to all again
1999 Volvo S70 2.4L No Start VIN: YV1LS55A7X
Well it's been a while so I guess it's fixed. It turns out all that was wrong was a bad fuel pump relay!
2004 Volvo S60 2.5T 2.5L ignition coil VIN: YV1RS59V24
This Volvo has not been back since I put in 1 aftermarket coil and replaced the connector. I told the customer that I have heard only OEM parts should be used. We will see what happens later!
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