Automotive Technicians Technical Discussion and Fixes for Feb 18, 2015

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	Help Request	Answers
	2000 Audi TT 1.8L Cv Axle VIN: TRUUC28N6Y Something is causing the cv axle bolts to back themselves out. We have replaced two axles under warranty for this issue. We double checked the bolts both times and were tightened to manufacturer specification. But keeps backing them out. Has anyone seen this?	View
	2005 BMW 745Li 4.4L Driving VIN: WBAGN63545 The dynamic drive inactive light will come on when you start driving this vehicle and stays on. My scan tool is not capable of finding any codes (i have a modis only) i have check the vacumn lines going to the front sway bar block and there is no oil leaking o...	View
	2003 Buick LeSabre Limited 3.8L Lights VIN: 1G4HR54K63 Got one here that has us puzzled. 2003 Buick Lesabre brought in for having no illumination in the HAVC control panel when the headlights are on. Control panel buttons light up fine as does the digital display. Cannot get the blue illumination lights to come on...	View
	2008 Chevrolet Silverado 1500 LTZ 5.3L cruise and abs VIN: 1GCEC19078 vehicle came in with ses lite on, pulled code p0040, rf wss, also cruise was very intermittent. customer changed rf hub/ sensor assy with one from a mailorder company. he installed it , no change, he is a electrician buy trade and thought he found a inline fus...	View
	2009 Chevrolet Cobalt LS 2.2L Misfire Please help we have this car come in with misfire cylinder number 2 and 4 check compression all 4 cylinder are ok . swap ignition coil and spark plug same thing . car run rough at idle, but under load have plenty of power run like normal . any one have seen th...	View
	2010 Chevrolet Suburban 1500 LT 5.3L abs VIN: 1GNUKJE30A salvage vehicle. customer says they replaced the frame and rear axle assy but no wire harnesses no readings on both rear wheel speed sensors, installed new ones and one started working, but then quit, replaced EBCM and then right rear worked on lift the quit ...	View
	2004 Dodge Ram 1500 ST 5.7L Pcm VIN: 1D7HU18D04 We replaced the underhood fuse box and the front control module for a exterior lighting issue. There was also corrosion and smelled burnt. We tried to reprogram the pcm using a snapon pass thru pro II. We have used the pass thru pro II many times before with n...	View
	2007 Dodge Ram 2500 ST 6.7L Hesitation, Etc VIN: 1D7KS28A57 Oil field welding truck came in for full inspection & complaint of "No-Power" (currently no welder on bed). This vehicle runs just like a gas vehicle with a clogged catalytic converter. ETC (lightning bolt) symbol is on all the time & sometimes even flashing. ... Trouble codes: P0192, P000F, P0472 (exhaust pressure sensor low), P0652, P242B, P0405 (egr position sensor ckt low)	View
	2002 Ford Explorer Sport Trac XL 4.0L Stall VIN: 1FMZU67E92 This 2002 Ford explorer 4.0Liter is experiencing a very intermittent problem. Stalling out.. Factory Motorcraft idle valve replaced. Throttle body cleaned. Since. Idle valve valve replacement,, Took one week to stall. We experience the issue once. Coming to a ...	View
	2005 Ford Escape XLT 3.0L pats VIN: 1FMYU93135 changed plugs coil and pcm. now have pats code b1213. can't find procedures foe relearning pats. security light on	View
	2008 Ford F-350 Super Duty XL 6.4L Engine VIN: 1FTWW31R18 Had codes P0528 for the fan speed sensor and P242B for exh gas temp sensor 3 I'm hoping we can get this bugger figured out together. I took those temp sensor readings first thing in the morning after sitting all night. EOT and ECT were both at 39. All temps ...	View
	2002 GMC Sierra 2500 HD SL 6.6L cv joint VIN: 1GTHK23102 so, first off, I didnt have the right vin because the guy just called me up last night and said he had this problem and I want to prepare. It is a chevy silverado 2500 hd. The guy uses it for plowing. He came to me with a broken axle and I replaced it. After I...	View
	2003 Honda Odyssey EX 3.5L stuck VIN: 5FNRL18633 Have a customer who states her gas pedal wont push down after sitting out in 0 degree weather. After she mashes it a couple of times it frees up. I cleaned the throttle body, lubed linkage, checked for floor mat or other obstruction under pedal, etc. I even as...	View
	2005 Honda Odyssey EX 3.5L oil in coolant VIN: 5FNRL38435 Customer was driving the vehicle when the oil pressure light came on. They immediately pulled over then added 4+ quarts of oil. I inspected for oil leaks and there are absolutely no external leaks. We did an oil change and asked them to return in 500 miles to ...	View
	2000 Isuzu Trooper Limited 3.5L spark VIN: JACDJ58X5Y This car was towed in to us. There has been some previous work done to attempt to get it to run. Here's what I found out so far. Has fuel pressure and injector pulse but has no spark. Scanner picks up RPM when cranking. Has good compression just an issue with ...	View
	2000 Jaguar XJR 4.0L MIL Lamp on VIN: SAJDA15B9Y I have this supercharged Jaguar XJR V-8 4.0L, the type that has the 2 fuel pumps in the fuel tank. The MIL is on and has a P1646, fuel pump relay 2. So I figured this wouldn't be too difficult. I started in the trunk where the relays are. I could prove that fu... Trouble codes: P1646	View
	1998 Lexus GS300 3.0L Lighting VIN: JT8BD68S7W Vehicle came in and customer states the rear tail lamp is inoperative when headlight switch is turned ON. Found Blown 20A fuse. Replaced and tested still the same. Check the Light failure sensor for voltage and ground. Pin 8 Red/black Ground should have 12.0V ...	View
	2007 Mercedes-Benz GL450 4.6L Aitmatic VIN: 4JGBF71E17 This came in with left rear sitting low. With soapy water found air spring leaking. Replaced air spring. Set car back to calibrated height. Randomly right front will raise while sitting. Using autologic have not at any point gotten a code. Any help would be gr...	View
	2009 Mercedes-Benz ML320 Bluetec 4Matic 3.0L tailgate latching VIN: 4JGBB25E79 Hello there folks, I have this 2009 ML320 CDI that came in for a tailgate that would not stay closed or latched in. So we checked and found the tailgate latch assembly defective and replaced it. While checking and wiggling wires at the SAM control module it ac...	View
	2009 Mercedes-Benz ML320 Bluetec 4Matic 3.0L tailgate latching VIN: 4JGBB25E79 Hello there folks, I have this 2009 ML320 CDI that came in for a tailgate that would not stay closed or latched in. So we checked and found the tailgate latch assembly defective and replaced it. While checking and wiggling wires at the SAM control module it ac...	View
	2000 Nissan Maxima GLE 3.0L Electronic VIN: JN1CA31D1Y Hi every one. I have this maxima with a/c problem, clutch relay does not engage , when we turn the system on power goes to relay but relay won`t energizes , using probe i can engage the compressor clutch from relay. We try high and low pressure switch did not...	View
	1998 Oldsmobile Cutlass 3.1L No Start VIN: 1G3NB52M9W Hello all, thanks in advance. Guy came in for an oil change and said he wants a battery, hard to start. change oil test battery, battery 6 years old and tests to 25% on our basic tester. When start it up to check for leaks etc. from oil change notice its a cra... Trouble codes: P0440, P0507, P1404	View
	1997 Plymouth Breeze 2.0L No Start, Cuts out, Stall VIN: 1P3EJ46C1V Car came in on the hook due to no start. The only codes that showed was Primary/secondary ignition fault. I was able duplicate the issue a few times and I was loosing pwr to the coil. The coil is pwrd from the ASD relay. I can not get it to stall or anything h... Trouble codes: P0351 (p0353-), P0353	View
	2006 Pontiac G6 3.5L . VIN: 1G2ZG55846 this car is crazy,the tc light comes on only when the car is in drive,no codes, I replaced the switch,did not fix it.in the past she had two abs hubs replaced for a abs problem/abs light. that fixed the problem.but this tc light is throwing me, witch way do I ...	View
	2008 Pontiac Grand Prix 3.8L Misfire VIN: 2G2WP55228 Vehicle was towed in for a no start problem. I replaced the ignition module and it ran great. The customer soon after complained of intermittent misfires when on the freeway going over 75mph. He said if he keeps it under 75, it runs great and never a miss or c... Trouble codes: P0300	View
	2007 Saturn Outlook XE 3.6L Timing Chain VIN: 5GZER13757 Please help is gm's 3.6(vin 7) an interference engine. The timing chain is broken or slipped, the engine crank pulley turns but front three cylinders have only about 2 psi for compression and the engine seems to free wheel when cranked. The procedure for timin...	View
	2000 Toyota Tundra Limited 4.7L Starter VIN: 5TBBT4819Y Customer tried to jump start vehicle and crossed terminals. Vehicle was towed in. I replaced needed fuses and checked starter relay. Starter relay worked. No response from starter. Removed intake to remove starter. Starter only clicked on bench. Replaced solen...	View
	2008 Toyota RAV4 3.5L Srs VIN: JTMBK33VX8 This vehicle has a SRS light on with a code B1801. I suspect the clock spring is the problem. Other than disconnecting the battery for a few minuets, is there any other procedure required to replace the clock spring? This is the first time replacing one on a v...	View
	2008 Volkswagen Touareg 3.6L Clock VIN: WVGBE77L18 My aaa rd service guy (experianced) jump started this car with a dead battery, from the posts under the hood no sparks, my employee started the car right up, she brings into her regular mechanic who put in a new battery, then tells her the instrument panel nee...	View
	2001 Volvo S80 2.9 2.9L trunk lock button VIN: YV1TS94D61 car had comm. codes in multiple modules when it came in with complaint of "can't open trunk". LED on trunk lock button stays on and won't change to unlocked. codes in all modules have been cleared and only code that returned is no comm. with power seat module ...	View

Fixes & Summaries for All Makes and Models

	Fix/Summary	Answers
	2000 Chrysler 300M 3.5L Intermittant heat VIN: 2C3HE66G8Y Thanks for the great responses everyone. I ran the hydrocarbon test on the engine cold this morning and it turned the fluid yellow twice. Guess I will call them with the bad news. Thanks again!	7
	2006 Chrysler Town & Country 3.3L Stall VIN: 1A4GP45R86 HAD TO GET THE OWNER TO SEE THAT WHAT WE SUGGESTED - OTHER PEOPLE ALSO RAN ACROSS. WE INFORMED THE CUSTOMER OF THE NEED OF HARNESS REPLACEMENT. THEY DECIDED NOT TO DO ANYTHING AT THIS TIME. THANKS TO ALL WHO KNEW WHAT I EXPLAINED AS THE CONCERN.	14
	2001 Dodge Dakota Sport 4.7L No Start VIN: 1B7HG2ANX1 thanks for all the help. the fix was to put the (third new) fuel pump in the truck. runs great and starts after hot soaks now. thanks for all the replys	12
	2009 Dodge Challenger R/T 5.7L engine VIN: 2B3LJ54T49 It seems as though this fix is to just keep on driving it. The opinion is that it is a piston slap. Since it goes away after the engine is warmed up, it should be OK. I had a Camaro that did it too, and it never blew up. For you guys that took your time to an...	13
	2011 Ford Fiesta SES 1.6L No Start VIN: 3FADP4FJ2B Ok...I am closing this but may have to reopen another one. I can now activate the starter and the vehicle will start and run. Originally the PATS was impeding everything. I purchased two new keys and performed the PATS function and then for whatever reason ...	8
	2012 Ford F-150 FX4 3.5L No Start VIN: 1FTFW1ET7C Hello, Customer did not want to spend any more time on dia. He had vehicle towed home till he has more cash. Thanks for trying to help. Trouble codes: P00C6.	1
	2003 Mazda Protege Mazdaspeed 2.0L Cuts out VIN: JM1BJ22713 This one was interesting...had to get the young minds on it. My son likes turbo technology and so he spent some time on it and ultimately just changed the vacuum supply lines to the bypass valve and the waste gate actuator. This car had an engine put in it a...	5
	2007 Mercedes-Benz GL320 CDI 3.0L ride height VIN: 4JGBF22E17 hello thanks for all the replys this is done and gone. just talked to customer and car is good. they have had it back two weeks now. what we did was spray soapy water all over suspension bags and lines with no luck.we then let car sit until it started sagging ...	8
	1997 Porsche 911 Carrera 3.6L drivers seat VIN: WP0AA299XV thanks for all the help I made a tool to move the screws and get the dime out stuck in the rail all good now thanks joe	4
	2001 Toyota Avalon XL 3.0L No Start VIN: 4T1BF28B31 The pcm fixed the problem. A big clue was the car wouldn't start when the mil wouldn't come on. Thanks for all the replies. Also some of these pcm's came programmed for an immoblizer and some didn't but the part numbers are the same.	10
	2001 Volkswagen Passat GLX 2.8L Poor Idle Quality, Misfire, MIL Lamp on VIN: WVWRH63B91 Thanks for all the input. I did have the chain timing off a tooth on bank 2. I corrected the timing which got rid of the cam code, but didn't fix the drivability problem. I did leak down and compression tests at various times during the diagnostic process and ... Trouble codes: P0346 (CMP sensor signal implausable), P0300 (Random misfire), P0306 (Cylinder 6 misfire).	12
	2004 Volkswagen Jetta GLS 2.0L MIL Lamp on VIN: 3VWSA69M14 cleaned throttle & reset as suggested - vehicle has not returned. takes a couple weeks for light to come back on again. Trouble codes: P1142, 17550 (load calculation lower limit exceeded).	10

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