Automotive Technicians Technical Discussion and Fixes for Jan 25, 2016

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	Help Request	Answers
	2005 Cadillac DeVille 4.6L instrument cluster lights, and instrument panel VIN: 1G6KD54Y65 This is a digital cluster. Goes black all but t/r indicator then comes back right away going through bulb check as if loss of power or ground. Will only occur with wheels turning about 5to8 mph and above. Had thought com wires were smashed into vss wires and t...	View
	2001 Chevrolet Silverado 1500 5.3L steering VIN: 1GCEK19T81 Vehicle came in with no complaint and extremely loose pitman, idler and inner tie rod. replaced all 4 components. when customer recieved vehicle back noticed when turning in gravel to hook to his trailer, that the tires was plowing up the gravel on a hard stee...	View
	2002 Chevrolet Suburban 2500 LT 6.0L rusty fuel lines VIN: 3GNGK26U52 I am replacing the fuel lines front to back on my dad's 2002 3/4 ton 4wd Chevrolet Suburban with dual tanks. How do you remove and reinstall the fuel lines that are routed above 4l80E transmission and transfer case to the rear of the engine? It appears pretty ...	View
	2005 Dodge Ram 2500 SLT 5.7L Cooling system VIN: 3D7KS26D35 When driving above 45 mph and the plow up it will get hot, if the plow is lowered it will get better. We are wondering if there is something we can do such as a fan clutch or a radiator that he can still have the plow up and not get hot, I know this is probabl...	View
	2001 Ford Explorer Sport Trac 4.0L none VIN: 1FMZU77E71 Ok this has me stumped truck is is low range 4 wheel drive and want come out with the scanner hooked up it sees the switch and shows it being moved from 4 wheel to 2 wheel but light and transfer case stays in low . i have a po500 speed sensor code and it is a ...	View
	2002 Ford Focus SE 2.0L Alarm VIN: 1FAFP34P82 This car came in last week, customer said her kid had bought the car about a year ago. The battery went bad and he replaced it, this is where the problem started. With the new battery in the car the alarm set and will not reset or start. The customer has one p...	View
	2011 Ford Edge SE 3.5L Brakes VIN: 2FMDK3GC3B Vehicle has a soft pedal that goes to the floor. brake pads, rotors & calipers were inspected-all okay, No visible leaks. replaced master cylinder with a dealer part, brakes were actually worse. tried a second master cylinder with same results. vehicle has a e...	View
	2004 GMC Yukon SLE 5.3L blower motor VIN: 1GKEK13ZX4 i hope everyones day is blessed ,iv got this 04 yukon that keeps frying rear blower modules..we got them from napa both times...can a bad rear hvac module over command this motor module...the orginal froze on high also...	View
	2013 Hyundai Veloster 1.6L Electronic VIN: KMHTC6AD4D Hello, I am hoping for some help on the DCT transmission. The vehicle was a flood car and with the experience on Ford DCT that appear to be the exact same transmission we decided the transmission had to be changed out. With the original trans there was no mov...	View
	2005 Jeep Wrangler Sport 4.0L shifting 2005 wrangler po123 voltage high 4.90 (limp in mode)sets code when turn key on. replaced tps sensor looking at engine data tps voltage good .65. looking at trans data voltage is 4.9. checked all grounds with head lamp bulb for voltage drop checked powers.repla...	View
	2007 Jeep Grand Cherokee Laredo 3.7L brake lamps VIN: 1J8GR48K17 Hello everyone. This jeep came to me with brake lamps stuck on. got a code c107c- brake switch 1/2 stuck. this sounded simple to start, throw a brake switch at it... still stuck on. the high mount brake lamp goes on and off but the lower ones stay on. watching...	View
	2004 Land Rover Discovery SE 4.6L No Start, Stall VIN: SALTY19424 Hello gentlemen,I need some input on this one.Long story please bear with me.Car came with intermittent stall,no start condition..Customer state after it stalled,she had to wait 30-45 minutes to get it start again. We check for malfunctuion code and only found...	View
	2005 Land Rover LR3 SE 4.4L Module VIN: SALAA25405 Wondering if anyone knows if we can have a used transfer case module programmed to this car? We need to bring it to Rover which is a big hour away and was hoping someone could make sure this is doable before we go there.	View
	2002 Lincoln LS 3.0L Heater VIN: 1LNHM86SX2 Replaced heater core & thermostat, no change. Tested dual climate control valve found temperature coming in isn't very warm, pulled water pump and inspected pump propellers, checked electrical controls, doors and actuators appear to be operating properly. heat...	View
	2004 Mazda 3 i 2.0L No Start VIN: JM1BK32F94 I all ready know I have a California LF engine still have no spark and one injector pulse. I swapped intake cams and replace timing chain and gear but having problem identifying which is the right crank pulley for California LF engine. I have two of them try t...	View
	2005 Mazda 3 i 2.0L traling arm bushing VIN: JM1BK12F95 Hi Guys, I'm about to do our first rear suspension front trailing arm bushing. We at the college have most of the normal shop tools, but I have never worked on this type of rear suspension. We have a couple of bad front trailing arm bushings. Left side is comp...	View
	2007 Mazda CX-7 Touring 2.3L No Start VIN: JM3ER29337 Hello Techs. I stuck with veh. came in with tow, verify by Snap on Scan tool, Found 2 codes P0340 Camshaft Position Sensor, P2504 High Voltage output Alternator. Customer indicated while driving down the road, there are Battery light came on, few miles after v... Trouble codes: P0340 (Camshaft position sensor), P2504 (Alternator high out charge)	View
	2001 Mercedes-Benz CLK55 AMG 5.5L vibration VIN: WDBLJ74G81 Car has a troublesome vibration on deceleration . it is felt in the drivers seat around 35 to 40 mph .the wheels have been balanced and it is not a road vibration it is definitely in the drive train . all the usual suspects have been replaced mounts drive shaf...	View
	2005 Mitsubishi Galant GTS 3.8L engine light VIN: 4A3AB76S85 setting p0172, p0175 rich fuel system trouble codes after timing belt jumped time and repairs were made. also sets u1120 in TCL which is related to above codes. vehicle runs fine but when warmed up and shut off will start/stall then start and run normal. no dr...	View
	2008 Saab 9-5 Aero 2.3L Radio VIN: YS3EH45G68 Customer called complaining of anti-theft radio warning. It is the original radio. We had the customer come in and wait. We assumed we could use the Tech II to just add the radio to the vehicle. WRONG! The Tech II wasn’t happy with this car. It kept telling us...	View
	2008 Scion xB 2.4L no power steering VIN: JTLKE50EX8 Hello, Group, this scion came to shop because steering wheel hard to turn and the steering system light is on. After only moving a little the car and found this car has not power steering. Check with scanner, got 2 code, current code is C1554 and stored code i...	View
	2006 Toyota Avalon XLS 3.5L Cuts out VIN: 4T1BK36B56 Vehicle repeatedly cuts out. Will restart intermittently. When engine running all data excellent with no pending codes & all seems normal. After stalling the 6 codes listed are present. Power at all coils, proper ground at all coils, Igt signals present, Igf s... Trouble codes: P0351 (Ignition coil a primary/secondary circuit), P0352 (Ignition coil b primary/secondary circuit), P0353 (Ignition coil c primary/secondary circuit), P0354 (Ignition coil d primary/secondary circuit), P0355 (Ignition coil e primary/secondary circuit), P0356 (Ignition coil f primary/secondary circuit)	View
	2006 Toyota Sienna XLE 3.3L traction control VIN: 5TDZA22CX6 Has anyone ever experienced a sudden activation of the VSC system while driving under normal conditions? I was driving 65 mph on the highway going straight on dry pavement and suddenly a buzzer sounded, the VSC light came on, and the steering wheel and brakes ...	View
	2006 Volvo XC90 V8 Ocean Race 4.4L Electronic VIN: YV4CZ852X6 Vehicle came in with complaint of Check Engine Light and Transmission sometimes shifting too hard and sometimes slip on shift. Found the fluid full and fair condition. Had multiple codes in many Modules Brake had 4 codes, Central had 9 codes Climate had 9 co...	View

Fixes & Summaries for All Makes and Models

	Fix/Summary	Answers
	2005 Audi A6 Quattro 3.2L all electrical systems VIN: WAUDG74F35 Thanks for all the replies. I know the post was a tough read, but I wanted to include all the info I had. I tightened the connections(term. 2 & 13) at the access start control module, read and cleared all codes, then car started and everything on car operated ...	8
	2007 Audi A4 Cabriolet 2.0L MIL Lamp on VIN: WAUAF48H27 Replaced N249 valve with updated one from audi ,replaced crankcase ventilation valve with updated one as well ,smoke intake to find no leaks ( under low pressure of a smoke machine ...but no leaks ) Replaced thermostat and coolant as well as coolant temp. sen... Trouble codes: 08801 (boost pressure control valve unplausible signal N249 -p2261), 08577 (performance malfunction in cooling system-p2281), 12555 (low pressure fuel system outside specs-p310B).	6
	2001 Cadillac Seville STS 4.6L Oil leak VIN: 1G6KY54961 At this point the rebuilder is trying to decide what to do next. As you know flat rate on pulling and swapping this beast it 28 hours, or more. I'm going to wait to see what they'd like to do, get paid for what I've done already and then go from there. I will ...	12
	2000 Chevrolet Impala LS 3.8L Upper Intake Plenum VIN: 2G1WH55K4Y The general consensus is a leaking fuel pressure regulator caused fuel to pool in the intake / upper plenum area & then ignite. I advised the customer that for me to do the job I would recommend doing the obvious, Upper Plenum, Fuel Pressure Regulator & then a...	19
	2004 Chevrolet S10 LS 4.3L heat VIN: 1GCDT13X04 The source vacuum was disconnected behind the hush cover and near the gas pedal. I can now hear the vacuum motors open and close as I move the dial from defrost to heat etc. I spent time trying to find that the source vacuum goes thru the firewall inside a w...	11
	2005 Chevrolet Silverado 3500 6.6L No Start, Low Fuel Pressure VIN: 1GCHK33235 Had a defective reman pump. replaced pump and truck started.	4
	2005 Dodge Grand Caravan SXT 3.8L Misfire, MIL Lamp on VIN: 2D4GP44L35 This Van had 2 separate problems. Cylinder 1 misfire would only count misfires at idle, and like I said in initial information It was only slightly rough at idle. I pulled the heads and had valve job done. I removed #1 exhaust valve myself and it was just star... Trouble codes: P0171, P0301.	19
	2008 Dodge Sprinter 2500 3.0L Hesitation, Cuts out, Stall, MIL Lamp on VIN: WD0FE84568 I would like to thank everyone for the help. It turned out to be a bad high pressure pump. Sorry but there is no test for this pump. We determined it was bad by watching the pressure set points that the computer was commanding compared to the fuel rail pressur... Trouble codes: P2047 (Fuel Rail Pressure Volume Control - Maximum Fuel Pressure Exceeded - Automatic Transmission), P2051 (Fuel Rail Pressure Sensor - Maximum Fuel Pressure Exceeded - Automatic Transmission), P2017 (Fuel Rail Pressure Sensor Signal Too Low - Automatic Transmission Too Low or high), P2021 (Fuel Rail Pressure Sensor Signal Voltage Too Low - Automatic Transmission).	4
	2000 Ford Ranger XL 3.0L Shifting VIN: 1FTZR15V8Y Checked ohm readings of solenoid from fuse #13 to PCM connector. Read approx. 10 ohms higher then specs all the way thru. Load tested power to trans harness connector, no amps available. Found bad connection on pin #36 in connector C124. Installed by pass wire...	7
	2004 Ford F-350 Super Duty Harley-Davidson Edition 6.0L Torque converter solenoid VIN: 1FTSW31P84 Thank you for all the suggestions, I ended up pulling the front pcm plug off again and pulling the terminal #14 out to check it for drag on the pcm. It fit extremely loose. Ford ran about 6 unused pins in this socket so I took one of those and soldered it to...	6
	2011 Ford F-450 Super Duty XL 6.8L Engine VIN: 1FDUF4GYXB Ok this one has been taken to the dealership via decision of corporate. They think the price will be lower because they buy their fleet there... Might be true. But this is a service truck and has now been out of service for a week. Once it goes to the dealer ...	9
	2012 Ford F-150 FX4 3.5L bearing VIN: 1FTFW1ET9C Thanks for all the replies but customer did not want to spend any more time, he decided to drive it until it got worse. Thanks	16
	2010 GMC Terrain SLT 3.0L heat in passanger compartment VIN: 2CTFLJEY9A We referred this vehicle to a local, well known and equipped independent GM diagnostic technician who had the car for 2 days with no success. He referred the customer to the GM dealer who replaced temperature actuator and after a week the problem with the heat...	4
	1999 Honda Accord EX 2.3L MIL Lamp on VIN: 1HGCG5652X thanks for all your help everyone. the driver in the replacement used computer must have been toast already. sorry for the late post, this is a car we are planning to sell so it got put on the back burner while doing customer work.	7
	2006 Honda Accord EX 2.4L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1HGCM72626 Gentleman thanks for all your help! We pulled valve cover and checked marks on cam gears. Sure enough chain had jumped 1 tooth. We replaced chain, tensioner, and guide. Vehicle instantly started up with no misfire. I think lack of proper oil changes and runnin... Trouble codes: P1009, P0341, P0300, P2646.	11
	2011 Honda Pilot EX-L 3.5L Misfire, MIL Lamp on VIN: 5FNYF4H59B Well, thanks to the great people on IATN I have fix another one! 99% of the replies said to adjust the valves. That is just what I did. I followed the procedure to the letter. Starting with #1 cyl. all the way to #6 cyl. being the last one. All the valves need... Trouble codes: P0306.	23
	2005 Jeep Grand Cherokee Limited 5.7L Poor Idle Quality, Misfire VIN: 1J4HR58205 A really big Thank You to Stan, Mike, Dan, Rick, Nigle, and especially Keith and TIM who was just as correct as my #1 Tech was. This vehicle would have been repaired a few days ago if it weren't for me being the most hard headed S.O.B. on the planet, (just ask... Trouble codes: P0300 (random isfire).	7
	2003 Kia Rio 1.6L Wheel Bearing VIN: KNADC125X3 Thanks for all the info. checked and found out i needed a couple shims that kia had for me set to proper preload and rolled it on down the road.	10
	2000 Land Rover Discovery Series II 4.0L MIL Lamp on VIN: SALTY1244Y Thanks for the help, the fuel pressure was low but not more than 5psi which didn't seem to be a contributing factor, however, after we replaced the maf with a genuine Bosch part and it helped some we then replaced the fuel pump and now it is running under 7 lo... Trouble codes: P0171, P0174.	14
	2001 Land Rover Discovery Series II SE 4.0L Unknown VIN: SALTW12461 new inhibitor switch and new ground strap fixed us up. there were no ground connections at all to i added one to the bell housing. the inhibitor switch tested bad so we replaced it and the truck is gone! thanks to all.	6
	2000 Lexus RX300 3.0L Starting VIN: JT6HF10U0Y Apparently the software the tech is using to clear the keys is not doing the function we need,it will clear the keys but when I get the ECM it will not register a key as master but rather as sub and consequently that is all I can register. The tech is trying ...	7
	1988 Mitsubishi Van 2.4L repair info. VIN: P25W020534 Thanks for all your help. I really didn't think I was going to any help with this vehicle since it's a total Japanese vehicle from Japan and isn't imported here. I'll continue searching the web.	2
	2007 Nissan Pathfinder SE 4.0L Starting VIN: 5N1AR18U77 Want to thank everyone for your replies.The battery was new but was rated for 550 cca. I looked up the cca spec for that vehicle Turn out to be 700 cca. Replaced the battery with 700 cca rating. Let sit overnight, started fine. Called customer two days late...	11
	2007 Nissan Altima Hybrid 2.5L no ecm communications VIN: 1N4CL21E17 Jack gets a gold star! #3 Coil was blowing the Engine Control fuse. Replaced coil then had communication to engine EC but still no comms to Hybrid ECU and car would not Ready Up. Had multiple canbus errors across modules even tons of HVAC errors. Decided ...	3
	2007 Subaru Forester X 2.5L MIL Lamp on VIN: JF1SG63637 This vehicle is still at the dealer. They have installed a new PCM over a week ago but my client informed me they told him they are "having problems setting it up". I am closing this help request so as not to affect my rating. Looks like I get to eat this C... Trouble codes: P0456 (Evaporate emissions small leak detected), P0448 (Drain valve Circuit short.).	11

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