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Prev Professional Automotive Repair Technical Discussions for December 29, 2014
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Help Request Answers
1998 Acura Integra LS 1.8L Hesitation, Cuts out VIN: JH4DC4359W
Customer brought vehicle in bogging under acceleration but idles great. Installed fuel pressure guage, readings were great at idle but opening the throttle with car in neutral fuel pressure drops to 5 psi and backfires and cuts off. So i replaced fuel pump and...
2007 Audi S8 5.2L Keyless walk up VIN: WAUPN44E17
Merry Christmas & Happy New Year Audi S8 , 2007 is having some walk up issues, its not seeing the key to let the doors open walk up style, it does see the key to start however Sending hard fault code -00183 -interior Access/Start Authorization Antenna 1 (R1...
1986 Chevrolet C30 Custom 6.2L Brakes, Steering VIN: 1GCGD34J3G
Thanks for the help in advance! I have this 1986 Chev K30 Military truck. When you brake, the steering wheel pulls to the left and the truck goes to the right. The harder you press, the harder it pulls. Checked all brakes and temps O.K. Checked front suspensio...
2000 Ford F-450 Super Duty Lariat 7.3L No Start VIN: 1FDXF46F9Y
This truck was brought in with a no start customer cranked it so much he burned the starter, replaced the starter changed the oil cranked the engine checked hpo pump pressure and oil pressure about 1000 while crancking good enough to start it fuel pump pressur...
2008 Ford F-250 Super Duty XLT 5.4L timing VIN: 1FTNF21588
what im working on is becoming a nightmare truck. it is someone else's disaster. what originally happened is the motor started to run rough so the owners friend who works at a junk yard tried to tune up the motor with fresh plugs. snapped one or two off in the...
2010 Ford F-150 FX4 5.4L cranking VIN: 1FTFX1EV5A
Truck has a cold hard starting issue and the ltft's are maxed out at an idle. No DTC's I checked the fuel pressure at idle(35-40psi) and under load(55psi), KOEO(55-60psi) and during the hard starting issue. Dropped the Y pipe down and did visual inspection on...
2002 GMC Savana 2500 5.0L No Start VIN: 1GTFG25M12
Hi folks. We really need help with this van. it belongs to a car lot that we do work for, so vehicle history is not known. It is basically a no start but we can't figure out why.If you can bear with me i'll list everything we've tried.Spark at plugs will jump ...
2000 Honda Odyssey LX 3.5L Misfire, MIL Lamp on VIN: 2HKRL1857Y
pulling hair, customer rampage, will code for p1399 after driving ten mins 0r 30 mins. will set hard code for 303 and 306 but only after starts a dead miss-when cel flashing. swapped coils around, no help, swapped injectors around, checked valve adjustment, no... Trouble codes: P1399, P0303, P0306
2002 Honda Odyssey EX 3.5L Extended Crank VIN: 2HKRL18092
Vehicle came in, First time we have ever seen it. Cust. complained of extended crank Intermittently. No codes stored. Acted like a fuel restriction that took time to build up pressure and get the engine enough fuel to start. If you run the car for 10 minutes s...
2007 Honda Pilot EX 3.5L MIL Lamp on VIN: 5FNYF18447
Other then regular service this has been a great vehicle my wife loves it. I am sure the air flow sensor codes is going to be just a sensor. But wanted to ask about the other code 77-1. Is this being set because of the other code and I dont need to worry about... Trouble codes: P0134 (H02S A/F sensor B1S1No activity), 771
2008 Infiniti QX56 5.6L No Start VIN: 5N3AA08C18
I have a crank, no start issue. no codes, checked main relay and checked to make sure I had voltage from it to the coils. shows data koeo but drops out when cranking so I cant see any data while cranking. checked ref voltage at cam sensor and scoped it (looks ...
2002 Jaguar X-Type 2.5L Mechanical VIN: SAJEB51D02
Engine is locked up, but spins counter clockwise - at no time will it ever spin clockwise! But I can turn the engine counter clockwise 3,4 -5 rotations counter clockwise. It will never turn clockwise at any point. We have removed the starter. With no change. A...
2009 Jaguar XF Supercharged 4.2L Misfire VIN: SAJWA07C09
Hello all. I am having a very difficult time trying to figure out where to go with this misfire, hoping to get some insight. THE BEGINNING: The car came in originally with very loud rod knock. Oil was very sparkly with metallic bits. We replaced the engine w... Trouble codes: P0303 (Misfire Cylinder 3), P0308 (Misfire Cylinder 8), P0300 (Random Multiple Misfire), P0316 (Misfire detected on start-up first 1000 revolutions)
2005 Jeep Grand Cherokee Laredo 4.7L No Start VIN: 1J4HS48N55
this jeep seems to have a problem with security not recognizing key, so we had the old key read & a new key made for the car. we still have no recognition with the SKREEM module, but cannot find its location & not sure if this is a switch problem or the securi... Trouble codes: U0168, P0513, B1A25, B1A35
2007 Jeep Wrangler Unlimited X 3.8L door locks VIN: 1J4GB39157
Hey folks! I got this jeep that customers complaints are that in the middle of the night lights come on and car unlocks it self as if someone push the unlock button on the key fob, it started recently with temperature drop here in houston (below 60f) scan for...
2004 Land Rover Range Rover HSE 4.4L Navigation screen VIN: SALME11474
Hello All This Range Rover was ready to leave after a suspension repair, however the Nav was in a foreign language, in an attempt to reprogram to English the system asked for programing discs. I have looked into the issue with nav screen lockout. After cha...
2006 Mercedes-Benz ML350 3.5L suction fan VIN: 4JGBB86E06
Mercedes ML350 came in for regular maintainence and the radiator fan is staying on at full power and is in limp mode. Found a TSB that says to replace the fan when this happens. Is there any way to test this to be sure before replacing it?
2006 Mercedes-Benz ML500 5.0L airbag side VIN: 4JGBB75E86
vehicle came into shop with several airbag codes including 3 for module failure, ordered a new SRS module shipped vehicle to dealer to get module programmed and now I have 2 new codes saying the 2nd row side air curtains resistance is too high my question is ...
2007 Nissan Pathfinder SE 4.0L Misfire VIN: 5N1AR18U47
to all Nissan tech. this one misfires on cylinders 1-3-5 only codes I get is po300-po153. have replaced all o2s cats coils plugs injectors. only misfire on all 3 at the same time for about 15-20 seconds then all good again. I have taken it to Nissan to get a s... Trouble codes: P0300, P0153
2006 Pontiac G6 GTP 3.9L Reverse VIN: 1G2ZM15196
hello every one; I have this Pontiac G6 GTP in my shop, come in for oil leak we fix the valve cover gasket, drove the car no problem, but when the customer came to pick it up for some reason the car don't go in reverse, shift on all the others gears but no rev...
2005 Porsche Cayenne 3.2L information center VIN: WP1AB29P35
thank you in advance this cayenne has a yellow exlamation indicator with clsrewnd appearing in the display.when the car is driven a picture of the car shows with the back glass illuminated.when you stop clsrewnd reappears.I assume it means close rear window.I ...
2003 Suzuki Grand Vitara 2.5L No Start, Stall VIN: JS3TD62V03
IG/COIL fuse was open. Died going down the road, would not restart. engine would crank fine. No MIL, No inj pulse, no fuel pressure, no spark. replaced fuse, vehicle has been running well. Inspected wiring looking for pinched/worn wires, none found. If there w...
2009 Volkswagen Tiguan SE 2.0L MIL Lamp on VIN: WVGAV75N99
Hi need some help from the VW techs. This car came in 2500 miles ago with a lean code 00369. Found crank case pressure valve on top of valve cover bad hand no vacuum in crank case and had vacuum leak from valve. Smoke tested and found no more leaks. The car is... Trouble codes: P119A, P0171
1999 Volvo S80 2.9 2.9L rough idle, no accel VIN: YV1TS97D9X
Thanks in advance guys! What the car does, is, intermittently goes into limp home type mode. CEL comes on and car will not rev over about 1,700-1,800. Will reset after a few tries of turning off and on. Started doing this about a week ago. I don't think the O2... Trouble codes: P0121 (pedal position sensor or circuit or electronic throttle module fault), P0161 (O2 sensor heating), P0455 (EVAP. leak detection small leak)

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2003 BMW 325i 2.5L MIL Lamp on VIN: WBAEN33433
From what we understand the first number is the part number of the new module and the second number is the old module part number. Thanks to all that responded.
2003 Chevrolet Malibu LS 3.1L No Start VIN: 1G1NE52J43
I forgot to mention when I get a no start vehicle I always spray carb cleaner into the throttle body to see if the car will run or not. if it runs that tells me their is compression and spark but no fuel getting to the engine. when I did this on the car init... Trouble codes: U1000, U1016.
2006 Dodge Grand Caravan 3.3L No Start VIN: 1D4GP23R76
Thanks for all the help. I was able to use the scan tool to make the injectors fire but was unable to come up with a solution to the problem. Engine shows crank rpm and cam synch but the computer would not make spark or turn on the injectors. At this time the...
2004 Ford Explorer NBX 4.0L ignition switch VIN: 1FMZU73E04
This one is fixed, Andrew hit it on the head there is a micro switch on the column when you shift into park the shift contacts the switch releasing the key, thanks to all who took the time to help, Merry Christmas and Happy New Year, Thanks Rocky...
2005 Ford Explorer XLT 4.0L odometer, radio, power windows VIN: 1FMZU73E15
sorry but this was not fixed. Since electrical is time on to time off the customer did not want to pay to dig into it. thank you all for valuable advice though.
2006 Ford Five Hundred SEL 3.0L abs VIN: 1FAFP24156
thx for all the responses. the sensor was fine but the tone ring wich is inside the wheel bearing and can not be seen until the bearing is removed and the rear cap popped off had a small crack in it. replaced wheel bearing and abs works fine now.
2005 Jeep Grand Cherokee Laredo 3.7L ignition key VIN: 1J4GR48KX5
Many Thanks for the information, and solutions, If you only have 1 functioning key, you have to have scan tool devise & the OEM lock code obtained from Chrysler and reprogram new key. Thank You Joe A.
2003 Land Rover Range Rover HSE 4.4L tcc
Thanks everyone especially Kenneth, trouble was in low coolant from radiator leak, once radiator was replaced everything functioned properly, Thanks again Jeff
2007 Mercedes-Benz E350 3.5L Overhead Control Panel VIN: WDBUF56X47
Mark, you were correct in your statement that they will not come on unless it is dark outside. As I said, I had a mat over the rain/light sensor and the vehicle was inside the shop, but still it wasn't dark enough. I read on WIS that the OCP reads in the rain/...
1989 Pontiac Firebird Trans Am GTA 5.7L engine VIN: 1G2WF2189K
First of all I want to personally thank each and everyone who gave me insight on my problem. Turns out that I did have the distributor lined up 180 degrees wrong. We live and we learn... Thank you all once again and have a blessed , safe and profitable New Ye...
2008 Porsche Cayenne 3.6L Poor Idle Quality, Surge, Misfire, MIL Lamp on VIN: WP1AA29P78
Hello all, ended up checking low pressure side at the supply pumps and found 5 bar which exactly spec for the supply to the HPFP. Ended up replacing the HPFP again under warranty, and so far the car runs well and the check engine light has stayed off. In addi... Trouble codes: P12A2, P0674.
2007 Volvo XC90 V8 Sport 4.4L Awd VIN: YV4CT85207
All replies were very helpful, but unfortunately the code was cleared before further diagnostics were completed, & problem is not currently happening. AWD is working as designed so the problem is obviously intermittent. Thanks for all replies, will keep the in...
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