Automotive Technicians Technical Discussion and Fixes for May 24, 2016

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	Help Request	Answers
	2004 Audi S4 4.2L Mechanical VIN: WAUPL68E94 After Engine Warms Up a Loud Squeel/Whistle comes from rear and under intake IT IS NOT THE FLAPS When moved flaps noise does not change. also when slightly raising idle with gas pedal noise does not change.	View
	2009 Audi A3 2.0L Surge VIN: WAUHE78P79 good morning every one i have this car when engine cold transmission shift at all gear no problem until after 30mis of driving when i slow down from high speed before completed stop trans jerk from 2 to 1 gear ( engine rpm goes up and down ) . when i start to ... Trouble codes: P0343, P068A, P0562, P150A	View
	2010 Audi A3 2.0L Misfire, MIL Lamp on VIN: WAUKEAFM8A VW & Audi Tech, please help on this bad boy here. Car came in with P0016 fault & misfire on all 4 cylinders. TSB tell us this engine has a tensioner problem. So we tear down the cover & check timing chain. All line up right with special tool. Anyway we replace... Trouble codes: P0016 (Bank 1 CMP Sensor/Engine speed sensor incorrect correlation)	View
	2000 Buick LeSabre Limited 3.8L Difficult to start VIN: 1G4HR54K3Y It is hard to believe that this basic vehicle is kickin us. This vehicle when trying to start reminds me of the days of distributor caps & rotors [excessive kicking back & running very rough when it does start]also backfiring in the intake when it does start t...	View
	2001 Buick LeSabre Custom 3.8L MIL Lamp on VIN: 1G4HP54K51 Customer came in with code P0401- low flow EGR. checked EGR operation with scanner. desired, commanded and sensed were all within range until top of EGR was wiggled- EGR is physically loose in its housing and wiring harness is loose as well. REPLACE BOTH with ... Trouble codes: P0401	View
	1993 Chevrolet Cavalier Z24 3.1L Cuts out, Stall VIN: 1G1JF34T4P When vehicle came to me I noticed oxygen sensor was not switching and the exhaust was reading lean. replaced oxygen sensor and it is switching now and the vehicle will run for 45 minutes to an hour and a half before it will stall. the car always re-starts. I a...	View
	2008 Chrysler 300 Touring 3.5L wipers signals radio VIN: 2C3KA53G28 hey guys limo company I do work for just bought this mini stretch found wires tapped into relay module box under hood nothing works now signals wipers radio washer gauges on dash car runs have ucodes u110a u0024 u 0022 u0021 u0019 any ideas thanks	View
	1998 Ford Mustang GT 4.6L high pressure VIN: 1FAFP42X9W car came in with no a/c it was inop. first thing we seen was the clutch not engaging. found no power coming out of the clutch cycling switch. replaced switch and the fixed the cycling issue. started the car and it was not blowing cold. recovered the system and...	View
	2005 Ford F-150 FX4 5.4L MIL Lamp on VIN: 1FTPX14535 hello everyone: I have this 2005 F150 failed emission with system to lean bank1 and bank2.Fuel rail pressure 40.54 psi. long term trim bank 1 and 2 is 29%. O2 sensors both respond to enrichment and get to 800 mv. Smoked intake and i did not see any leaks visua... Trouble codes: P0171 (system lean B1), P0174 (system leanB2)	View
	2010 Ford Fusion SE 2.5L brake pressure VIN: 3FAHP0HA7A so car came in with stuck brake caliper and no pad left in caliper brake so i replace rear brake pads rotors and calipers when i went to bleed the air from the system i have pressure to the right wheel but just dribbles out of the left so i pulled lines off at...	View
	2010 Ford Escape XLS 2.5L engine VIN: 1FMCU9C74A This is going to be long, I have this Escape that came to me after Ford garage diagnosed engine miss, needs engine. A shop installed a used engine, they confirmed to me that it had a knock, they said it ran fine afterwards. The customer took it back to them an...	View
	2013 Ford F-350 Super Duty King Ranch 6.7L No Start VIN: 1FT8W3BT9D Vehicle stalled while going through an intersection. Towed to our facility. Code 2291 present. DFCM very noisy. Replaced unit. Vehicle would not start. Tired priming process again. Still no start. Fresh inj. pump, FRP sensor, and regulator What am I missing? H... Trouble codes: 2291 (Cranking fuel pressure too low)	View
	2013 Ford F-150 FX4 5.0L No Start, System Draw VIN: 1FTFW1EFXD Truck has 3amp draw and will die overnight because the PCM will not release PCM power relay. I isolated relay trigger contacts from feed contacts to eliminate feedback and there is no feedback, the pcm is commanding it on. Also added diode to relay to test, no...	View
	2000 Jaguar S-Type 4.0L Hesitation, Stall VIN: SAJDA01D4Y starts and runs poorly. no power idle rough. no codes shows no misfires.	View
	2000 Jeep Grand Cherokee Laredo 4.0L No Start VIN: 1J4GW48S3Y This car came into my shop as a no start. i checked for spark and fuel. the fuel pressure was good and i had spark on all six cyclinders but i changed the spark plugs and the coil pack anyhow.I also checked the compression on all the cyclinders and the compre...	View
	2003 Land Rover Freelander S 2.5L Cooling fans. VIN: SALNM22253 Vehicle came in with the cooling fans not working, even with the a/c turned on. Checked both cooling fan controller electrical connection for power and ground. Good. Unplugged the connections, then when plugging the connections back together the fans would com...	View
	2007 Lexus RX350 3.5L Lights Flash,Horn Blows Cooling Fan Runs, VIN: 2T2GK31U07 This Lexus belongs to a retired Cornwell tool rep.It is garage kept and has no accident history.Randomly the horn and lights flash.Some times the cooling fan comes on just sitting cold.He says it is most likely to do it early in the morning.When no one is in i...	View
	2005 Mazda 3 S 2.3L oil VIN: JM1BK32355 customer states 1 to 2 quarts a month. smoke and a little pressure from the vent hose causing a puddel in the intake boot. also some smoke from exhaust. hoping someone has had this problem and fixed it. thanks for your help.	View
	1998 Mercedes-Benz SLK230 Kompressor 2.3L no acceleration VIN: WDBKK47F3W just purchased as a fixer upper toy for my wife, been sitting for years. Changed oil and added fresh fuel after draining old, started up, will idle but doesn't accelerate. Can move throttle position sensor and see throttle body move but does not accelerate. Ho...	View
	2000 Mercedes-Benz ML320 3.2L No Start No Crank VIN: 4JGAB54EXY Customer reports vehicle was being driven when it stalled and will not restart, inspected observed no crank no start, observed fuse number 22 under fuse box to pop as soon as key is turned on, which supplies power to transmission control module, engine control...	View
	2004 Nissan Quest SL 3.5L No Start VIN: 5N1BV28U84 Hello everyone!! I have this 04 Quest that I replaced the ECM in due to the case corroding through and destroying the circuit board. I put the 'new' used ECM in it fired and ran, but the red security light that looks like a key is on, after about 2 times of s...	View
	2006 Nissan Altima S 2.5L Mechanical VIN: 1N4AL11D86 We are changing timing chains in this engine. We found a small screen on the floor. It is barrel shaped and it measures about 7/16 in diameter X 3/4 long. We can't figure out where it goes. Can anyone help?	View
	2009 Pontiac Vibe 2.4L MIL Lamp on VIN: 5Y2SP67039 Trying to repair code po136 and code 138 bank 2 sensor 1 have replaced sensor with a denso sensor twice ckeck engine light still comes on every few days all scan readings are normal can anybody out there help us with this problem. Trouble codes: P0136, P0138	View
	1992 Toyota Pickup DLX 3.0L Misfire VIN: JT4VN82N4N this truck came in with a constant misfire. Another shop has replaced the distributor cap rotor plugs and wires to no success. There is no fire coming from the distributor cap on #6. I cant get it to fire from the cap to a grounded test lead or to any other pl...	View
	1999 Volvo V70 2.4L Poor Idle Quality, Surge VIN: YV1LW55AXX Customer brought with radiator out. Installed radiator and est light on and Throttle body very noisy. Replaced throttle body with used one. Know I have Codes 532D, Faulty Signal, Throttle internal fault, 913F controller internal fault, 900e control mod interna... Trouble codes: 532D, 903F, 913F, 900E	View
	2002 Volvo S60 2.4L MIL Lamp on VIN: YV1RS61R72 Does anyone know if the vent valve should be open or closed when the car is shut off? Doing a smoke test there was a lot of smoke coming out the air filter at the filler neck. I would think the valve would be closed when the key is off so the vapors from the t... Trouble codes: P4308	View

Fixes & Summaries for All Makes and Models

	Fix/Summary	Answers
	2012 Acura MDX 3.7L hatch VIN: 2HNYD2H62C Hello I found a tsb that was very help full, go around and lock the doors, with windows down reach in a open the door. The alarm should sound, when that door is open, the door that doesnt make the alarm sound is the problem. Remove door panel and look at micro...	2
	2008 BMW 535xi 3.0L cv axles VIN: WBANV93548 Thanks very much to everybody who responded. Well, it was the right front drive axle. We pulled it out to inspect it and there was a minute tear in the inner boot that I missed on visual inspection. The inside of the cv joint had a rusty colour and there w...	13
	2006 Cadillac DTS 4.6L No Start, No Communication wit VIN: 1G6KD57Y56 Thanks for all the help. Michael from Florida nailed it. Cleaned the coolant from EBCM connector and everything worked. Thanks everyone for the helpful info.	11
	2005 Chevrolet Cobalt LT 2.2L Surge, Misfire VIN: 1G1AZ54F55 Well, Doug from Michigan hit this one on the head. We tested everything and when the signal from the TCM to the PCM was corrupted and all wiring checked good installing a new TCM resolved the issue. Thanks for all your help and ideas. When you think you've che...	24
	2006 Chevrolet Impala SS 5.3L Misfire, MIL Lamp on VIN: 2G1WD58C96 Thank you all for the advice. Using the information that came in from all you folks I decided to estimate this as a full blown (shotgun) repair. My opinion is that the Solenoid was the issue, Of course the oil manifold could have developed a leak and not allow... Trouble codes: P1101 (Actual Measured Air Flow.... not within range of calculated air flow), P0171, P0420, P3449.	13
	2012 Chrysler 300 Limited 3.6L No start VIN: 2C3CCACG1C Thanks for all I have not use full information I sent the car to dealer if I got any use full information I will post thank you	14
	2001 Dodge Dakota 2.5L No Start VIN: 1B7FL26P81 I would like to thank everyone who pitched in to help. As i continued my diag, i found out the radiator was cracked and leaking coolant. So, i could not run it long enough to make it fail again while trying to test the Crank Position Sensor. I still think th...	14
	1997 Ford F-150 Lariat 4.6L Gem VIN: 1FTDX18W0V Well, there just is not a GEM to be had. New or used. I don't have the correct module so, I can't have it rebuilt. Looking at the schematics, all the GEM does is supply grounds. I am thinking "toggle switches".	12
	2001 Ford Ranger Edge 3.0L Poor Idle Quality VIN: 1FTYR14U51 I received a lot of responses that were fascinating and a number seemed to miss the point. It's tough to keep the verbage down and get to the point without skipping over important stuff. Keep in mind the iat sensor is in the maf on this vehicle. Also I was... Trouble codes: P0172 (system too rich bank 1).	29
	2014 Ford F-350 Super Duty XLT 6.2L Poor Idle Quality, Misfire VIN: 1FT8W3B61E Well after running seafoam, changing the oil, and still not finding anything consistent. I decided to pull the valve covers. As much as the intermittent times it ran great and keeping it in open loop always made it run good... I found a broken valve intake v... Trouble codes: P0300 (random misfire), P0302 (cyl 2 misfire), P0305 (Cyl 5 misfire), P0306 (cyl 6 misfire).	8
	1998 GMC K3500 Sierra SL 6.5L Hard 1-2 Shift VIN: 1GTHK39F5W So i walked away from this for a few days. Thinking back decided to start with the basics this is not a complicated system. Found that the oss sensor was rust jacked pushing sensor 1/8in away from tone ring just did not catch it earlier thanks all for the info...	7
	2004 Honda Accord EX 3.0L no blower op VIN: 1HGCM66524 The new transistor (Metrix) was N/G or wrong for the car. It was pulling down the signal. I replaced it with a Dorman.	4
	2007 Mini Cooper S 1.6L Misfire VIN: WMWMF73567 We replaced the vanos solenoid and symptoms and codes have not returned. The oil pan was taken off during the head repair because there was timing guide parts in the pickup. This is a turbo engine with only vanos on the intake side don't know why the vin pulle... Trouble codes: 287E, 287D.	4
	1992 Nissan Sentra E 1.6L No Start, Poor Idle Quality, Stall VIN: JN1EB31P2N Thanks guys for all the help. After testing almost everything, I thought about starting the car and disable a fuel injector, one at a time. After doing this I noticed that unplugging #1 or #4 would kill the engine, #2 the engine would just barely run, and #3 m... Trouble codes: 55 (no problems found).	9
	2011 Nissan Altima 2.5L tail lights dash lights VIN: 1N4AL2AP7B This Altima started to blow the tail light fuse as soon as I turned tail lights on and I was able to find red/blue wire going to dash lights coming out of dash fuse box and cut wire and found that wire leading to dash lights was grounded. We looked at every...	7
	2011 Ram 1500 Laramie 5.7L Engine VIN: 1D7RV1CT2B The customer is going to take the truck back to the dealer. He just bought it a few months ago. From other replies I feel confident that the noise is directly related to the cylinder deactivation system. Thanks for those who replied	4
	2006 Toyota RAV4 Sport 2.4L engine VIN: JTMBD32VX6 The engine comes out the top without pulling the trans and transfer which have 3 mounts holding it in place, no extra support needed. Completed job well under flat rate. Remove cowl, remove intake,exhaust a/c compressor crank pulley and it slips right out. Tha...	7
	2008 Toyota Sequoia Limited 5.7L MIL Lamp on VIN: 5TDBY68A58 Well swapping actuator solenoid's and problem strangely disappeared! But after a few days A different code for air injection valve stuck open appeared. A completely separate issue. I found a bulletin on this issue and Sent her to the dealer for a new valves ... Trouble codes: P0018.	5
	2002 Volkswagen Golf GLS 1.9L MIL Lamp on, limp mode VIN: 9BWGP61J22 I have shelved this repair for a short time as other issues came up. I will post the fix when I complete it. Most replies concerned checking the grounds and wiring. I opened up the affected harness and physically inspected the wiring with no issues located. Th... Trouble codes: P3105 (35-10- Intake manifold valve flap open or short intermittent), P1538 (35-10- Fuel shutoff solenoid open or short intermittent), P1441 (35-10- EGR valve openor short intermittent), P2453, P2163.	11
	2003 Volkswagen Beetle GLS 1.9L No Start VIN: 3VWCP21C53 Whew! OK, got it going. Mike from B.C. was right on. I sprayed starting fluid in the intake and it fired. Took a few more squirts and start and stall and it kept going eventually. Now runs fine. The only thing I can think happened is I disconnected the re... Trouble codes: P0672 (2 glow plug or circuit).	4

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