Automotive Technicians Technical Discussion and Fixes for May 13, 2016

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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
	1994 Acura Integra LS 1.8L Starting VIN: JH4DC4353R Customer stated that his vehicle died while driving on city. Customer did replace distributor assembly, ignition wire, and with ngk plugs. Check for spark; good. Hook up a fuel gauge on fuel filter; 50 psi. Clean ground by thermostat to make sure it had good c...	View
	2004 Audi A6 Quattro 2.7L Cam correlation VIN: WAUCD64B04 Hello all This vehicle came in after recently having heads re placed with a broken bolt in the tensioner roller Heads were removed and valves replaced upon installation of heads rather belt timing was checked and rechecked along with the position of the timing...	View
	2008 Audi S6 5.2L MIL Lamp on VIN: WAUDN74F58 Po174b stores repeatedly, intake was just changed due to broken flaps.. Smoke test and carb spray checks performed cannot find any vacuum leaks? any sugestions would be appreciated. Trouble codes: P0174	View
	2010 Audi A5 Quattro 3.2L egr low flow VIN: WAUZZZ8T8A I have a low flow detected error which keeps coming back after a drive. No other errors saved.This is a audi 3.0 tdi diesel engine. This engine has electric EGR valve and a egr cooler which is controlled by a vacuum valve to open and close cooler. We have remo...	View
	2007 BMW X3 3.0si 3.0L running light,headligts,left turn signal VIN: WBXPC93487 this x3 running lights turn on and off intermittently when car is off. also when vehicle is running the headlights are on and left turn signals are on and you cannot turn them off. ive checked for water damage in truck and none were found. also checked grounds...	View
	2005 Buick Rendezvous Ultra 3.6L torque tube VIN: 3G5DB03735 I know there is a TSB for the problem on this vehicle. It pertains to a damper kit [...]. I can not find anyone who has installed one or any dealer that can tell me or show me a picture of what the part number contains. I am looking for someone who can desc...	View
	2003 Chevrolet Silverado 2500 6.0L Poor Idle Quality VIN: 1GCHK24U73 2003 Chevrolet truck 6.0. It does have a return on the fuel system. the truck came in running poorly with 50lbs of fuel pressure and nearly no volume. so we replaced fuel pump and it seemed to run fine so we did not recheck fuel pressure. Truck came in the n...	View
	2005 Chevrolet Cobalt LT 2.2L Surge, Misfire VIN: 1G1AZ54F55 Car runs good cold until it has run for fifteen minutes. Then idles fine but car barely will accelerate. Has a horrible flat spot can hardly move itself. Free revs ok. Feels like ignition breaking down but plugs and module substituted with know good ones. The ...	View
	2006 Chevrolet Cobalt LT 2.2L Battery Light On VIN: 1G1AL18F86 I have checked the grounds and connectors at the alternator, starter. All are fine. My Snap on scanned does not allow me to check the GEN-F terminal signal parameters. Charging system is charging 14.6 volts. This car has sat for better than a year out in the w... Trouble codes: P0622	View
	2003 Dodge Ram 2500 5.9L Excessive Emissions VIN: 3D7KA28683 A customer brought his 03 dodge pick up with a 5.9L diesel in for a coolant leak and he said oh by the way it blows a lot of black smoke also. We fixed the coolant leak and when test driving it, the exhaust does blow out the black smoke only on acceleration an...	View
	2001 Ford Ranger Edge 3.0L Poor Idle Quality VIN: 1FTYR14U51 Originally had P0306 with misfire and exhaust chasing out the coolant. Replaced heads (just closed out a help request for a rocker/lifter concern). Now it idles poorly, on the verge of a misfire. Accelerates and cruises ok. When engine was apart found evidence... Trouble codes: P0172 (system too rich bank 1)	View
	2008 Ford F-250 Super Duty XLT 5.4L Poor Idle Quality, Misfire VIN: 1FTSX20588 Hello everyone, I am trying to see if any one has any ideas on what might be causing the problem or what direction to go... truck came in the shop after the customer replced both heads boths cams, new plugs . Heads replaced because he broke a spark plug in the...	View
	2012 Ford Escape XLS 2.5L alignment marks VIN: 1FMCU0C75C I am trying to find out what the bolt you put in the side of the block. Does it hit the crank when you turn motor clockwise and then stop.Tool I bought has a long bolt and a short bolt, instruction said use short bolt but that doesn't hit anything.	View
	2004 GMC Envoy SLT 4.2L rear blower VIN: 1GKET16524 rear blower does not work have a code u1000 and b0145 if you try to calibrate system fails in middle of test any ideas would be greatly appreciated thanks	View
	2004 Honda Accord EX 2.4L MIL Lamp on VIN: 1HGCM72654 This 2004 Accord 2.4L came back for the engine light. The car was flooded and the engine was replaced about one month ago. The code was P2227 BARO Sensor and according to the manual, the problem is inside the PCM. Replaced an used PCM thinking that the old on... Trouble codes: P2227 (BARO Sensor Circuit Range/Performance Problem)	View
	1994 Isuzu NPR 5.7L No Start VIN: 44KLB4B1AJ I need fuel pump wiring diagram including fuel pump relay location for this truck please	View
	1999 Pontiac Sunfire SE 2.2L No Start, Stall VIN: 1G2JB124XX Starts and dies everytime,lite on theft blinks a few times and stays on.gm dealer says no theft detterent on this model but there s a theft lite on.key looks plain	View
	2008 Pontiac Torrent GXP 3.6L Ignition VIN: 2CKDL73758 Replaced engine now no crank. Nothing. No clicks, no fuel pump operation no relays clicking. New battery. No exterior front lighting either. Have interior lights and instrument panel and gauges work. Checked power at engine fuse panel and have a row of fuses w...	View
	2000 Porsche Boxster Roadster 2.7L Mechanical VIN: WP0CB2982Y Vehicle brought back in following above listed repair history. Vehicle returned with three faults present: secondary air system bank one and two and fault for idle control at stop. We replaced throttle body with new unit and adapted, idle control at stop fault...	View
	2008 Porsche Cayenne 3.6L Cluster, ignition, battery VIN: WP1AA29P68 This Porsche was towed in today with a no start condition. I put the key in the ignition and nothing happened, no lights, no power accessories, no noises-as if the battery was stone dead. I put a jumper box on the jumper terminals under the hood and everything...	View
	2001 Volkswagen Passat GLS 1.8L Mechanical VIN: WVWAC63B01 This car keeps plugging the oil pump suction screen. I first removed the pan and splash shield. Both were cleaned in a hot tank. I cleaned the screen and test drove. I lost oil pressure after 2 miles. Next time I installed a new screen. Again it plugged. I rem...	View
	2002 Volkswagen Jetta GLS 2.0L No Start VIN: 3VWSB69M32 Hey guys, We have this 02 2.0 jetta GLS in here with a crank/no start complaint. First thing I tried to check was the ECM for trouble codes, has no communication. So I checked other modules to see if they are able to talk to engine control, and they cannot. Th... Trouble codes: 01177 (Engine control unit at this time not checkable), 01314 (Engine control module no communication)	View
	2009 Volvo S40 T5 2.5L MIL Lamp on VIN: YV1MH67219 Car came in with customer complaining that the MIL light was on and the A/C was not working, but otherwise the car was starting and running fine. I pulled several codes from the ECM that seemed random and not connected. I erased the codes then tried a hard res... Trouble codes: 122D, 420D, 421D, 600D, 612D, 616D	View

Fixes & Summaries for All Makes and Models

	Fix/Summary	Answers
	2007 Audi A4 Quattro 2.0L Mechanical VIN: WAUDF78E17 I removed the valve cover to inspect for cracks in breather passageway- none found. verified latest part # on turbo inlet tube and crankcase breather valve. Both had the updated part #. Tested the inlet tube check valve it was ok. I decided to replace the brea...	16
	2008 Audi Q7 Premium 4.2L Programming VIN: WA1EV74L18 Thanks to Jesus, Dan, and Phillips for the responses. I did program it with the old serial info, odd thing was the old number programmed in pcm was not the one I pulled out. However, it all seems ok now, just still don't understand what the reasoning is for vw...	5
	2007 BMW 328xi 3.0L no start VIN: WBAVT73507 I am sorry for not posting complete diagnostics. This vehicle drove in,I found a weak battery to start. replaced and registered battery.scanned vehicle had 2 d5c engine code internal fault code 2aca engine ecu terminal 15.3,line from cas code 2a77 engine ecu c...	6
	2007 Buick Terraza CX 3.9L Cooling Systems VIN: 5GADV23137 Thanks to all 18 who replied. A new CTS turned out to be the culprit here. Garrett from Florida hit the nail on the head as well as Phil from Kansas. Many others suggested combustion gas air locking the cooling system. ( I honestly was leaning that direction) ...	18
	1994 Chevrolet Corvette 5.7L a/c VIN: 1G1YY22P2R after many weeks of searching, we put a used programmer in this one and it fixed it. thanks again everyone for your input.	11
	2010 Dodge Journey SXT 3.5L fuel gauge VIN: 3D4PG5FV1A This one is fixed. a Fuel injector fixed it. When the truck was shut off a injector would leak down slight enough to cause it slight flooding condition. I pulled the rail and left the fuel line attached. put a some rags under rail and sure enough there was sli...	5
	1999 Ford Ranger XL 3.0L Lean fuel codes VIN: 1FTZR15V1X Thanks to all who sent help. One problem was it took along time for the engine to go into closed loop. Once it did the O2 sensors would now work. I cleared the PCM and recorded the new fuel trims. It did not take long for them to rise back up. LTFT 25 STFT 27... Trouble codes: P0171 (System too lean bank 1), P0174 (System too lean bank 2).	11
	2001 Ford Ranger Edge 3.0L Rockers VIN: 1FTYR14U51 So here is what I did. These latest heads were brand new and met the spec's that Brooks supplied me with. After soaking the lifters with bg oil flush I cranked the engine with the rockers on but nothing else. This was just in case the lifters were NOT, in fa...	20
	2005 Ford Explorer Sport Trac XLS 4.0L Fuel guage VIN: 1FMZU77K65 Thanks all for the assistance given. The customer needed to use the vehicle and has not returned as yet. Whenever he returns I will post the fix. Thanks again	12
	1999 Honda Civic LX 1.6L transmission VIN: 2HGEJ6676X Thanks for all the help guys, sounds like its a 50/50 on needing a new transmission assembly or the vehicle having some underlying mystery electrical issue. Everything electrical checked out per Honda specs so unfortunately i sent the customer to a transmissi...	8
	2003 Hyundai Santa Fe GLS 3.5L Steering VIN: KM8SC13E33 I think it was randy that was right. right control arm shot, left one loose. its fixed	6
	2008 Jeep Grand Cherokee Limited 5.7L Four Wheel Drive VIN: 1J8HR58228 thank for reply found that the transfer case was intermitt locking up. replaced transfer case This is a fix	5
	1993 Lexus ES300 3.0L No Start, Hesitation, Stall VIN: JT8VK13T2P I want to thank those of you who offered suggestions, but as of now I have set this job aside. The suggestions made have all be done and looked at with no result. I can add this though, The systems work when cranked and the engine starts. But it dies within se...	9
	1987 Mercedes-Benz 300E 3.0L Vent temp VIN: WDBEA30D3H Control head fails to provide aground for monovalve, or heater control valve. Thanks for assistance.	4
	2008 Nissan Altima 2.5L Electronic VIN: 1N4AL21E08 well wound up replacing the park neautral switch and has been gone for 3 days now thanks everyone	5
	2004 Toyota Camry XLE 2.4L Shifting VIN: 4T1BE32K04 This car is fixed.After numerous times checking wiring from ecm to transmission.Checking power and grounds on transmission solenoids from ecm.It would work at times and other times it wouldnt.I replaced the ecm and had it programmed at the dealer and all is go...	10
	2006 Volkswagen Touareg TDI 5.0L Left side of engine VIN: WVGPT77L26 After disassembling and smoke testing found the leak. Turned out to be the generator coupling seal. Generator is under intakes in "V" of engine. it was filling the valley and dripping down the driver side to the frame rail. Absolute PIA to get to but that ...	5
	2008 Volkswagen Passat Komfort 2.0L Low power VIN: WVWLK73CX8 OK PHILLIP FROM CALI WAS A GREAT HELP WITH THE FUNCTION AND TESTING . BASICLY CHECK LOW PRESSURE PUMP PRESSURE FIRST - I HAD 92 PSI SO I WAS GOOD THERE. THEN GO TO YOUR SCAN TOOL - MINE IS AN ALTEL AND GO TO FUEL PRESSURE PID - OR GO DIRECTLY TO BLOCK 106 . ... Trouble codes: 00135 (Fuel rail pressure low).	6

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