Automotive Technicians Technical Discussion and Fixes for Dec 7, 2013 - iATN (Members Only)

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(Also Available: All, Asian, Chrysler, European, Ford, GM.)
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Open Help Requests for All Makes and Models

	Help Request	Answers
	2002 Buick Rendezvous CX 3.4L engine VIN: 3G5DB03E62 This car will overheat according to the gauge. It doesn't boil over but the gauge will peg to hot and the engine will cut off. We have gone for over 2 weeks and nothing will happen and then all of a sudden it will happen. The customer leaves his work and withi...	View
	1994 Chevrolet Corvette 5.7L No Start VIN: 1G1YY22P9R At a loss at this point and our problem seems simple enough- No spark. Long story short is our ignition control module will not ground coil on and off to produce spark. The mystery to us is that all our tests indicate we should be getting spark. We have tested...	View
	2005 Chevrolet Silverado 3500 6.0L Mechanical VIN: 1GBJC39U75 Hyrdo-Boost Brake system. While driving in town appears to be okay, but on the freeway upon exiting as the brake pedal is push down, the pedal jumps back up a little. Also, while the brakes are apply to a complete stop, a jerking feeling from the bake pedal is...	View
	2007 Chevrolet Silverado 2500 HD LTZ 6.6L left side VIN: 1GCHK29647 this truck has dual zone heat, the right side works normally, left side mode functions all work but blows cold air(it was -33° f here last night). I removed the actuator and moved the left temp door manually it does change temp but left is still cool, not near...	View
	2010 Chevrolet Silverado 1500 LT 5.3L Oil Mpressure VIN: 3GCRCSE08A this vehicle was brought in by customer with oil pressure light on and codes for it. he said the oil was fine and good and he was told it just needed a new switch. we looked it up and to replace switch intake manifold must be removed. w took connector off and ...	View
	2006 Chrysler Pacifica 3.5L Misfire, MIL Lamp on I think this is a PCM issue, but I wanted help to make sure I didn't miss anything. Car came in with P0201 - Injector #1 Circuit malfunction...injector 1 not firing. Tested #2 and #1 to compare. Both injectors had alternator voltage. On wiring diagram, injecto... Trouble codes: P0201	View
	2008 Chrysler PT Cruiser Limited 2.4L abs VIN: 3A8FY688X8 Had a customer bring there cruiser in complaining about the dash lights and exterior lights blinking, after being unable to verify it I was ready to put the car back out, started it and was letting it idle when I heard a strange noise from under the hood and a...	View
	1990 Dodge W350 5.9L No Start, Poor Idle Quality, Hesitation, Surge, Cuts out, Stall VIN: 1B6KM3657L Replaced the engine with a reman unit, the old engine ran very well before the replacement. The new engine will not start unless the MAP sensor vacuum source is unplugged, but after a few minutes the engine will idle perfectly for hours with the MAP vacuum sou...	View
	2001 Dodge Ram 3500 5.9L Unknown VIN: 3B6MF36581 I am hitting a wall with this one, I have been fortunate up to this point to never need to diagnose Chrysler BUS systems before now, and I am stumped. I did a search here and on Alldata to see what the procedures are, but have had no luck finding good info. On...	View
	2006 Honda Accord LX Special Edition 2.4L Excessive Emissions, No Start, Poor Idle Quality, Hesitation, Surge VIN: 3HGCM56306 not clear how to proceed we have confirmed pressure from fuel line/fuel pump, we have confirmed injectors working ok, no ingnition/misfire codes, failure mode is intermittent and happens after the car has been used for a good 15 - 20 min, then NO START Contid...	View
	2008 Honda Accord EX 2.4L enter code VIN: 1HGCP26878 I have tried to get the radio code online at and was unsuccessful. I called the 1-800 number but they are closed for the weekend.If anyone can get me the radio unlock code that would be great.My VIN # is [...] and ...	View
	2009 Kia Sedona LX 3.8L Electronic Stability Control VIN: KNDMB23399 Customer brought me the vehicle because his ESC light came on in the dash. I ran a scan and got four codes. C1102 C1611 C1513 C1623. I understand the definitions of the codes but I don't know where to start looking. I know this is rather vague, but Im hoping s...	View
	2007 Mazda CX-7 Touring 2.3L Stall VIN: JM3ER29307 Was towed in it stalled while they were driving. I drove it was cold sitting outside runs perfect MAF o2's etc all in range. I replaced the battery it was weak while cranking 7.4volts so i put a new one in. Car will run fine on cold start up for about 5 mins a...	View
	1999 Mercedes-Benz E300 3.0L Poor Idle Quality VIN: WDB2102252 Hi. May need to find a loom diagram to sort this one but wounder if anyone came across the same fault. Car starts and runs fine until you press the foot brake. then it runs like a pig missing. Remove the stop light fuse and its Ok. Thanks for your tome.	View
	2000 Toyota Avalon XL 3.0L Center Multi Display Unit VIN: 4T1BF28B1Y I've chased down the draw to multi combination unit which is the center cobinitation unit that has all the lights in and it has a bigger screen on to show u the compass has odometer and etc. So I figured if I unplugged that unit and draw went away I would need...	View

Fixes & Summaries for All Makes and Models

	Fix/Summary	Answers
	1984 BMW 733i 3.2L Mechanical VIN: WBAFF8402E Progress after modifying Thermostat Drill 2 1/4inch holes in 71 degree stat. Runs around 10:30 on the gauge. Roy overnights and no overheating. Drill 2 1/4inch holes in 80 degree stat. On. Road test around shop area, it slightly overheats. Drill 2 mo...	12
	2008 Chevrolet Express 3500 6.0L brake module VIN: 1GBJG31K48 now i got it. thanks for the help. you nailed it. stupid ground. I originally checked the ground without a load with the notion that any wire this big cannot possibly cause a ground problem. WRONG. Always check a ground under a load stupid. wont you ever lear...	6
	2004 Chrysler PT Cruiser Touring 2.4L Cylinder Head VIN: 3C4FY58B04 It should be mentioned that the vehicle showed up with a light but consistent miss at idle and a p0303 code. The vast majority of responses correctly pointed to problems with the exhaust valves, and in this case specifically on the one misfiring cylinder. Mo...	29
	2008 Chrysler 300 LX 2.7L Cuts out VIN: 2C3KA43R18 thanks to everyone that took the time to reply. thanks mike [...] was able to jack up the vehicle on the drivers side with the hoist. I had to go up kinda high though but it did the trick for getting the pump and sender out without getting fuel all over.. then I w... Trouble codes: P0461.	6
	2002 Ford F-550 Super Duty XL 7.3L Cuts out VIN: 1FDAF57F52 ok we got her fixed after testing multiple things i rechecked the older archives on powerstrokes and seen where someone wrote where they had injectors leaking thru the copper seal on the bottem of the injector he took a latex glove and cut the fingers off and... Trouble codes: P0472.	15
	2004 Jeep Grand Cherokee Limited 4.7L Blower Modes VIN: 1J4GW58N24 You guys are the best. Special thanks to Dan [...]. The blower motor had been replaced with an aftermarket motor. I removed it and powered it up and it was spinning backwards. Cut wires and reversed them and that did it...	8
	2003 Mercedes-Benz E320 3.2L Brake light on dash Ok replacing the fliud level sensor. Was the fix. It's true this Isn't and on off switch. Thank for all your help	11
	2010 Mini Cooper S Clubman 1.6L MIL Lamp on VIN: WMWMM3C59A Thank You!... to all that replied. Yes, the back of the valves were caked with gunk and very hard carbon. We bought a nut shell blaster and went to town with it, it actually took all day to do four cylinders (8 valves). I wanted to give a special thank you to ... Trouble codes: 2D52, 2773 (Combustion misfire 1 cylinder Misfire in warm up), 2783 (Combustion misfire several cylinders Misfire in warm up).	12
	2007 Nissan Sentra SL 2.0L 225 amp fuse blown VIN: 3N1AB61E87 I discovered he car has low water level. Added water ad discovered it has leaked o cyl. four. replaced head gasket. It was hydroloked with water.	4
	2002 Toyota Camry SE 2.4L Oil Pressure VIN: 4T1BE32K42 As I suspected of myself I dropped the pan and removed the shim. Measured it @.185". I then reasoned,"well gosh, if it has 186k on it after 12 years that spring must have relaxed SOME, so I'll find the thinnest shim I can" which was .020". I think we'll all ag...	9
	2002 Volkswagen Beetle GLS 1.9L no 1st or 4th VIN: 3VWCP21C62 Hi Everyone, Yes. It's fixed. I followed Robert's excellent instruction and advice and my trouble circuit (solenoid #5) had slightly less resistance than it's counterparts: 61 ohms compared to 62 or 63. I inspected the plugs for corrosion anyway, but what I di...	6

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