Automotive Technicians Technical Discussion and Fixes for Apr 14, 2014

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Open Help Requests for All Makes and Models

	Help Request	Answers
	2004 Acura MDX Touring 3.5L reverse VIN: 2HNYD18984 This vehicle blocks in reverse after 15 feet as if two speeds gets involved return to the neutral return in let us move back and still move back 15 feet and stops on neutral everything is correct it move back no probleme When I deplogue a selenoild of the tran...	View
	2001 Audi A6 Quattro 2.7L No Start VIN: WAUED64BX1 Afternoon folks, Need some help here. customer brought us this vehicle, we normally work on his wife's TT. another shop had installed this engine after his timing belt had broken. they were unable to get it to run. We had faults for both cam sensors and for th...	View
	2002 Audi A4 Quattro 3.0L cam phazer VIN: WAULT68E32 Owners mother in law's vehicle. boss drove vehicle home and passed a group of car reving vehicle out (probably higher then it has in the last 5 years), had a miss, cylinders 1-3 misfire codes and P0014 exhaust camshaft retard setpoint not reached after passing...	View
	2007 Audi A6 3.2L Ignition VIN: WAUAH74F87 Hello Audi Techs, We had this car towed in to us with the rear wheels locked up. The car won't start and the dash lights won't light up and the battery is fine. We tried the second key thinking it might be the key, with no luck. We looked up IATN post and foun...	View
	2006 BMW 325i 3.0L Headlights VIN: WBAVB13576 This BMW has the self leveling headlights, they are aiming too low, when I start the car they don't go through the self test movement, they stay aiming low, they are not at the bottom of the travel, I can control them with the scanner, but that's it. Thanks ...	View
	2001 Buick LeSabre Custom 3.8L Excessive Emissions, No Start, Cuts out, Stall, VIN: 1G4HP54K81 Hello all, The car in question came in with a complaint of stalling and hard starting. Customer explained to us that he already replaced: Harmonic Balancer, Fuel Pump and some fuel lines, Crank Sensor, Ignition Module, Spark Plugs, Relays (which ones unknown)... Trouble codes: P0135 (O2 sensor B1S1), P0440 (Evap), P1351 (Ignition Coil I may have caused this code), P1374 (3x reference circuit problem)	View
	2006 Chevrolet Cobalt LT 2.2L Steering VIN: 1G1AL15F46 Need help in identifying the noise i thinkl it is the strut mount but the other tech thinks it is a bushing from the center cross member any help is surely appreciated.	View
	2005 Chrysler Sebring 2.4L No Start VIN: 1C3EL46XX5 need help with this chrysler sebring. its a long story so please read carefully as there is alot of info here. i put a new crankshaft in this car due to worn thrust bearings and also refreshed engine when out. car started right up and drove good around town an...	View
	1997 Dodge Ram 2500 5.9L 2-3 shift VIN: 3B7KF23D2V Thanks in advance for reading. Had Trans rebuilt about 6 months ago. Customer relayed that it worked great for the first day and then it would hang in second at full acceleration and would have to let up on accel. pedal for it to shift into third. Tried adjust...	View
	2002 Dodge Dakota Sport 4.7L No Start VIN: 1B7HG38NX2 This is a Chrysler "no bus" problem. When you turn the key to "on", after a few seconds the odometer reading flashes a few times and then displays "no bus". The vehicle will crank well but not start. I have read many IATN help requests and fixes for "no bus," ...	View
	1997 Ford Explorer Eddie Bauer 4.0L Windows VIN: 1FMDU34E4V Came in for rf window not working up or down.has been in for window problems previously(due to broken wires inside harness that goes from body to left front door).that is where i started looking repaired 2 broken wires there.i totally removed the door to make ...	View
	2001 Ford Expedition Eddie Bauer 5.4L air ride VIN: 1MFMU18L91 Vehicle came in with rear end sitting on bump stops. checked codes found C1830 found compressor relay corroded off. Replaced replay and connector with new aftermarket part. Still have compessor inop. Performed pinpoint test for code. Flow chart lead to check r...	View
	2004 Ford F-150 FX4 5.4L Variable cam timing VIN: 1FTPX14574 This is a vehicle a used car dealer bought at auction Didn't run when purchased. I got it running, but it runs rough, makes noise from timing cover area st times. I won't bore you with the details, but I've replaced the timing chains phasers, solenoids, and oi...	View
	2004 Ford F-450 Super Duty Lariat 6.0L steering box VIN: 1FDXW47P04 truck has no power steering when brakes are applied brakes stop fine when driving and steering is fine until you step on brake pedal I have replaced the pump and hydro boost and the 2 hoses that come off of booster	View
	2008 Ford F-450 Super Duty Lariat 6.4L Warning Light VIN: 1FTXW43R68 Vehicle came in with a battery light that comes on after about 30 seconds of running. Light stays on for about another 30 seconds, and goes out. A code "p163c secondary generator field" is set at that time. Verified all wiring according to flow chart, and re...	View
	2004 Honda Pilot EX 3.5L Battery Drain VIN: 2HKYF18574 Battery drain. Vehicle complaint goes dead over night. Battery tested good, charging at 14.2v. Have 80 milliamp draw. Found if i pull fuse 13 passenger side fuse panel, draw is gone. Passenger fuse panel is the multi plex control mudule which controls numerous...	View
	2005 Hyundai Santa Fe GLS 3.5L Long crank time VIN: KM8SC73E65 Problem: on cold start and after 20 min hot soak vehicle has extended crank time around 10 to 15 seconds. It will always start and after it starts it runs and drives fine. No codes are present. Thanks in advance for any help.	View
	2013 Hyundai Sonata Limited 2.4L Poor Fuel Economy VIN: 5NPEC4AC6D customer complaint is as follows;he owns two of these, one for his wife,and one for himself.Customer claims his wifes gets 28 mpg or better, his only gets around 24.Customer drives a lot due to his work,thus the concern.That being said,the customer probably we...	View
	1995 Lincoln Continental Diamond Anniversary 4.6L No Start VIN: 1LNLM97V3S Hey gang, looking for a little guidance on this Lincoln. Was in 2 weeks ago for some minor maintenance, (brakes, ps. flush,) & was running fine. Had a check engine light on, owner said he wasn't interested in pursuing it, said it has been on a long time. Drive...	View
	2008 Mazda 6 i 2.3L MIL Lamp on VIN: 1YVHP80C48 Thanks in advance. Codes P2097 Post Cat Rich, P2177 Lean of Idle and P2187 Lean at Idle. Clear codes but they return on test drive. Purge solenoid has been replaced and tested. Checked for vacuum leaks, none found. STFT 25%, LTFT 5.0%. MAF seems to be right an... Trouble codes: P2097 (Post Cat Fuel Trim Rich), P2177 (Lean Off Idle), P2187 (Lean at Idle)	View
	1995 Mercedes-Benz S500 5.0L No Start VIN: WDBGA51E8S car runs great. Had previous problem with misfire and found Green corrosion inside distributor caps. Spark plugs, wires and distributor caps and rotors have been changed last year. Cleaned caps and rotors and misfire has since disappeared. After a long run on ...	View
	1999 Mercedes-Benz E320 4Matic 3.2L starter VIN: WDBJF82H1X Turn the key to start and the starter just makes a rapid heavy CLICK-CLICK-CLICK noise, not like a bad connection or low battery. If I jumper the starter relay it will crank over perfectly with the key on, if someone in the car holds the key to the start posit...	View
	2006 Nissan Pathfinder SE 4.0L MIL Lamp on VIN: 5N1AR18U76 Hi folks. this 06 pathfinder came from an auction and blongs now to a local used car lot. It was a basketcase to begin with. transmission oil cooler failed and mixed tranny fluid and coolant, on top of having blown head gaskets. fast forward . the tranny is re... Trouble codes: P0021	View
	2008 Saturn Aura XR 3.6L Radiator Fan Blade VIN: 1G8ZV57718 Customer was out running errands on Sunday 4-13-14, heard a pop noise then saw Antifreeze Coolant Leaking out & it was Towed in. The Passengers Side Radiator Fan Blade is all broken apart & ruined the Radiator. Just checking to see if anyone has ever seen thi...	View
	2004 Toyota Tundra Limited 4.7L MIL Lamp on VIN: 5TBDT48154 Recuiring p0156, replace o2. Comes back occasinally o2 test good. Found tsb on replacing o2's and flash ecm. However checking mode 6 data ecu $10 test id $08 component $01 min value is 184, it is about to fail. The value is 185. Can't find info to identify fai... Trouble codes: P0156 (B2s2 o2 cir)	View
	2002 Volvo V70 X/C 2.4L starting VIN: YV1SZ58D52 Car came in with hard start problem. Car runs good once started. Car backfires through exhaust when cranking. Tack needle stays at zero for first couple seconds and then comes up just before car starts. Has cam sensor code but can't find anything wrong with ca...	View
	2004 Volvo V40 LSE 1.9L blower mtr VIN: YV1VW27594 Volvo wiring diagrams are horrible!!! haha. condition is no blower at any speed. Customer states that it does come on sometimes on its own. In the shop here it does not function. Here is what we have. At the blower motor we have power at both ends. the resisto...	View

Fixes & Summaries for All Makes and Models

	Fix/Summary	Answers
	1987 Chevrolet R20 Scottsdale 5.7L no power VIN: 1GCASDFKFH Thanks to all who took the time to reply. This should have been a no brainer but as i say after i got another fuel pressure gauge and retested i got 13 psi and 1/2 liter in 30 sec. Pattern on scope was great. Still had a gut hunch it was a fuel pump- you could...	24
	2005 Chevrolet Suburban 1500 LT 5.3L Evap. Sys. VIN: 3GNEC16Z15 THANX ,WE CHANGED THE EVAP SYS. IN THE REAR AND IT TROOK CARE OF THE PROBLEM	43
	2007 Chevrolet Impala LTZ 3.9L A/C Control Head Compressor VIN: 2G1WU58RX7 Well the car left, so not completely sure, but I think given the nature of this customer(complainer), that as some of you posted, this is normal for this system,(operating as designed).	6
	2010 Chevrolet Impala LT 3.5L No Start, No Crank VIN: 2G1WB5EN9A Thank you for everyone's responses. The problem was the ECM. We replaced ECM and programmed module to vehicle. Vehicle now starts and operates correctly. As an FYI, the negative battery cables was pretty corroded and needed replacement. We replaced entire nega... Trouble codes: U0100 (Lost Communication with Engine/Powertrain Control Module ECM/PCM).	7
	2003 Chrysler PT Cruiser Limited 2.4L Compressor VIN: 3C8FY68B03 This car went to another shop, they couldn't wait for your inputs which came hours later. never heard back on the fix although i'm sure the ground from the pcm was open. Toms explaination is required reading! thanks all.	7
	2003 Ford Explorer XLT 4.0L air leak VIN: 1FMZU73K83 I found the flap in the recirculation part of the heater/evaporator case had broken it's pivot point and was laying down across blower motor intake... This was allowing outside air to come directly into cabin just behind glove box.. Made for a COLD draft driv...	9
	2004 Ford F-150 XLT 4.6L Mechanical VIN: 1FTRW14W34 Thanks for Replies Problem was no oil pressure on right side of engine...Found plugged oil gallery on rear camshaft cap...A small piece of paper from oil filter,I presume ,.there was a statement about this under previous Fixes...After putting every thing bac...	7
	2006 Ford Taurus SE 3.0L Poor Idle Quality, Surge VIN: 1FAFP53U56 Want to apologize for forgetting to close this post. We solved it by using a Ford IAC update kit, a trick we used back in the late '80's and early 90's on Fords that wouldn't maintain a steady idle. It is a little plate between the IAC and throttle body that l...	9
	2005 Honda CR-V LX 2.4L rear wheel bearing VIN: SHSRD78515 Thanks to all 17 that replied to my request. Almost everyone said the sensor side would be magnetic. Many suggested using a paper clip to find it. I tried this and found neither side was magnetic! I went to another parts store and checked out another. This one...	17
	2005 Infiniti G35 3.5L Seat Swutcg VIN: JNKCV51E95 After some digging I looked at 03 and 04 switch and it is available separate from the seat bottom. ordered and new switch from an 03 model and all is well. Thanks for the help.	6
	2000 Mercedes-Benz CLK430 4.3L airbag VIN: WDBLK70G4Y the car is fixed,thanks to mark from Washington and steve from florida for their quick response.this code deals with the airbag and it's communication with teleaid system in the event of an airbag deployment. since the teleaid system is not operable,I we...	3
	2004 Porsche Boxster 2.7L Misfire, Vibration VIN: WP0CA29844 Thanks to everyone for all the replies. The flywheel was bad and the flywheel did cause the misfire codes. We did replace the IMS bearing while doing the clutch and many thanks to the people that gave us insight on the job procedure. Trouble codes: P0300 (Misfire Detection), P0306 (Misfire cylinder 6), P0304 (Misfire cylinder 4), P0305 (Misfire cylinder 5), P0174 (Oxygen sensing adaptation idle range bank 2).	11
	2004 Subaru Impreza WRX STI 2.5L Poor Idle Quality, Hesitation, Surge, Cuts out VIN: JF1GD70614 Took throttle body apart and cleaned entire assembly. Applied electrical contact grease to connector. Immediate difference cruise light and eng light out. Road test ran great customer drove for 2 weeks and seams ok. Trouble codes: P2109 (Throttle pedal sensor A minium stop performance), P0638 (Throttle pedal range bank 1).	4
	2005 Subaru Forester XS 2.5L MIL Lamp on VIN: JF1SG65685 Well this one is finally fixed. After we replaced the pcm the p1443 never came back. Don't know why the vent solenoid wouldn't work when the check connector was connected. Then we found that the purge solenoid would occasionally freeze causing the p0457. We ... Trouble codes: P1443, P0457.	5
	2003 Toyota Highlander 2.4L engine VIN: JTEHD21A53 This vehicle is repaired and runs good! Out of 16 replies about 1/2 had replies pointing toward cam timing. The problem was, I had all the timing marks "dead on" except the exhaust gear. That gear as 3 marks on it. A dot with the letter "I" stamped next to it,...	16
	2000 Volkswagen Jetta GLS 1.8L MIL Lamp on VIN: 3VWSD29M7Y Thank you, I recomended some disassembly to verify mechanical wear, customer declined. I felt that I made the right decision based on your replies. Trouble codes: P1340.	14

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