Automotive Technicians Technical Discussion and Fixes for Apr 5, 2016

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Open Help Requests for All Makes and Models

	Help Request	Answers
	2004 Audi Allroad Quattro 2.7L No Start VIN: WA1YD64B44 Hello to all. I have an intermittent crank no start. I can run the car for 2 min or an hour and let it sit for 15-30 min and it will just crank. first time it did this I tapped on the fuel pump and car started right up so we replaced pump, filter, and relay. C... Trouble codes: P0118	View
	2009 Audi A4 Quattro 2.0L low compression cylinder 4 VIN: WAUSF78K99 Ok guys this one is supper tough!! Originally car came in with missfire codes in cylinders 2 and 3. I measured compression and sure enough both cylinders were down to 70 psi. I did a leakdown test and it came back close to perfect so no leaks anywhere. I knew ...	View
	2000 Chevrolet Silverado 2500 6.0L No Start VIN: 1GCGK29U2Y I have inherited this vehicle from 2 previous mechanics. The truck ran fine, but was parked for 2 months awaiting parts for suspension issues. When those parts arrived, and the vehicle was started to move into shop, truck would start and die immediately, as in...	View
	2002 Chevrolet Silverado 1500 4.8L Mechanical VIN: 1GCEC14V82 Customer states when driving the brake pedal feels hard and the brakes lock up or you can say their applied, This is after its been driven for awhile. We replaced the hydo boost and now he says its worse and does it sooner then before, we installed a Cardon re...	View
	2003 Chevrolet Trailblazer North Face 4.2L No Start, fuse 28 PCM 1 blown VIN: 1GNDT13SX3 Ok all, Here we go, this SUV came in on a hook with a no crank condition, customer stated it keep blowing the pcm 1 fuse (#28) in underhood fuse box. pulled wiring diagrams and found it feeds coils, pcm, and injectors so we did a process of elimination, discon...	View
	2007 Chevrolet Impala LT 3.5L oil light comes on VIN: 2G1WT58N57 hi everyone we have checked the oil pressure on this car with 2 different manual gauges and have found the oil pressure to be within spec at idle and under a load. we have changed the sensor 3 times ending with one from the dealer and the problem is still pres...	View
	1999 Chrysler 300M 3.5L Blower motor VIN: 2C3HE66G7X Need some help from the Chrysler experts. The blower motor was running on max speed regardless of the set speed. Checked for variable voltage signal at blower resistor, ok. Replaced with OEM blower power module and nothing works until I move the fan speed dial...	View
	2005 Chrysler Town & Country Limited 3.8L No Start VIN: 2C8GP64L35 Good evening Techs. Brought this Town&Country in for routine maintenance with no problems. After installing spark plugs,plug wires and filters my Tech did the usual test drive with no problems. I did a second test drive for Quality control purposes. No problem...	View
	2005 Dodge Magnum SXT 3.5L converter VIN: 2D4FV48V35 Vehicle has a bad vibration in the driveline above 60 mph that is throttle sensitive. We removed the driveline to replace a loose center support and found the center u-joint to be stiff so we ended up replacing the driveshaft with a new unit. The upper differe...	View
	2005 Dodge Ram 3500 SLT 5.9L Bank 2 High/Low VIN: 3D7MR48C25 followed all trouble shooting steps for harness/injectors. ohm'd circuit from ECM connector, checked for short to ground on power and signal wires, checked injector terminals for short to ground. all tests were within specification. p2149 for bank 2 high/low ....	View
	2005 Ford Ranger Edge 4.0L ABS Module VIN: 1FTZR15E65 Attempting to scan for codes initially found code p1414: electronic control unit system. verified powers, and grounds including; abs light, and red brake warning light. Replaced ABS module. New unit attempt communication Scan tool states "conditions not correc...	View
	2005 GMC Sierra 2500 HD SLE 6.6L Hesitation, Misfire VIN: 1GTHK23275 The vehicle will feel like it is misfiring between 45 MPH and 55 MPH between 1350 RPMs and 1500 RPMs with slight throttle increase. It will not misfire in the bay, and I can throttle through 1500 RPMs and it will stop. The vehicle has no other symptoms that I ...	View
	2007 Honda CR-V EX 2.4L door locks VIN: JHLRE38707 Hello. I have this CRV where the door locks will cycle by themselves. I have never been able to get it to act up. Research shows a lot of problems with the front door lock actuators. I replaced both the front ones. The customer says the problem is still there....	View
	2009 Honda Pilot EX 3.5L ticki noise thanks in advence paese help have this 09 pilot having me going an circles it has a tiking noise an top of engine only at 2500 or higher RPM very quit at idle replase all timing components,adjast valves,nada no difrence at 2500 RPM unplug ignitio coils one at ...	View
	2002 Jeep Liberty Sport 3.7L Electronic VIN: 1J4GL48K22 I got this 2002 Jeep Liberty w 3.7 engine, came with speedometer dont work, scan it & found code p500a fault code, replace both input & output speed sensors clear memory still not working, check with DRB scan tool no speed reading, it shows 0 miles, harness at...	View
	1999 Land Rover Discovery Series II 4.0L No Start VIN: SALTY1246X Hello All, This Disco towed in for no start condition.Engine would not turn over.No power windows,door locks.Scanned ECM,code P1672-security code unknown.Using Autologic,I attempted a security relearn with no success.Could not communicate with the BECM.Replac... Trouble codes: P1672 (security code unknown)	View
	2002 Mercedes-Benz CL500 5.0L Lower engine VIN: WDBPJ75J82 This car has a 113.960 engine. There is a rather loud buzzing noise coming from the engine oil pan at idle and loudest at about 12-1400 RPM. Faster than that it quiets rapidly and isn't really noticeable at highway speeds. Worse when warm. It sounds like the n...	View
	2007 Mini Cooper 1.6L cylinder Head VIN: WMWMF33597 The customer just bought this vehicle and is now stuck. It would misfire when warmed up and long-story-short we removed the cylinder head and proved that it was dropping valve seats when warmed up. My question is does anybody know of a good machine shop to rep...	View
	2002 Nissan Altima 2.5L MIL Lamp on, High Idle Speed VIN: 1N4AL11D72 This Altima has the SES light on with a code P0507. The idle speed hovers around 1000RPM. I smoked out the intake looking for vacuum leaks. None found, there was no smoke coming out anywhere. I used propane to search for a possible vacuum leak. None found. I t... Trouble codes: P0507 (Idle Speed Control)	View
	2003 Nissan Murano SE 3.5L Poor Idle Quality, Misfire, MIL Lamp on VIN: JN8AZ08W23 The vehicle came in whit a broken engine we replace it whit a used one and know the problem is all the cylinders on bank 2 cylinders # 2,4&6 are not working we have 180 psi compression on all cylinders, we have spark and we have pulse on all the injectors, 51 ... Trouble codes: P0300 (random misfire)	View
	2012 Nissan Versa 1.6 S 1.6L Mechanical VIN: 3N1CN7APXC It has some fluid in it. I got a pump fill kit. Remove drain plug and fill with Nissan CVT fluid till it comes out drain plug ? I have it running and warmed up. Is there anything else other than the relearn with the scan tool? I see that. Just got 5 quarts and...	View
	2003 Saturn Vue 2.2L no shift, no communication to ecm/tcm VIN: 5GZCZ33D33 Another shop dropped this one off saying car dealer requested transmission. so we swap the transmissions out. finished job, fired right up and test drove. NO SHIFT. service engine light on. plugged in scanner and error. tried other scanner. error. automatic se...	View
	2009 Toyota Corolla XLE 1.8L No Start VIN: 1NXBU40EX9 This high mileage Toyota 1.8L DOHC vehicle came in on the hook. It wanted to start with accelerator put to the floor. Still would not start. Plugs pulled and inspected. Has newish (not new but not 250K) plugs Denso [...] Iridium's. They were wet. After addi... Trouble codes: P0300, P0171	View

Fixes & Summaries for All Makes and Models

	Fix/Summary	Answers
	2002 Audi A4 Quattro 3.0L Poor Idle Quality, Misfire, MIL Lamp on VIN: WAULT68E62 This car is finally fixed!The problem turned out to be the solenoid. I had to replace the complete housing inc.both solenoids as on member said. I did remove the solenoids first and they both clicked and moved the same. I also took the cam adjuster apart and ...	11
	2007 BMW X3 3.0si 3.0L Surge VIN: WBXPC93457 I RECIEVED SEVERAL REPLIES TO CHECK FOR VACCUM LEAKS POSSIBLE BAD COIL, HOWEVER CUSTOMER HAS NOT RETURNED FOR FURTHER TESTING SHOULD I GET A REPAIRR I WILL REPOST. Trouble codes: 29D2, 2C7F.	5
	2007 BMW X3 3.0si 3.0L stumble VIN: WBXPC93427 Thank you every one for all your help. Al from Northshore Imports one of the check valves was actually broken, and only a small amount of debris was caught in the screen. Replaced broken check valve ( T40), cranked motor briefly to eject any other debris. Trouble codes: 2A82, P0012.	7
	2003 Cadillac Escalade 6.0L Cruise Control VIN: 3GYEK63N23 The rear brake light had aftermarket LEDs and resistors installed. The bulb check could not be performed causing the system to think the stoplamp switch was always applied. Removed lights and installed correct bulbs. All systems working correctly.	15
	1998 Chevrolet Metro LSi 1.3L MIL Lamp on VIN: 2C1MR5291W Apparently these metro's all show 1.275 volts, until you get the car up to operating temperature, and drive the car over 50 miles per hour. Once I found that out I was able to see a normal reading on the downstream 02 sensor. Turned out my PCV valve was b... Trouble codes: P0420 (Catalyst Efficiency Below Threshold).	20
	2007 Chevrolet Corvette 6.0L instrument clus VIN: 1G1YY36U87 ok we never checked this car very well other than the engine knocking when it came in the guy that owns it just bought it and hadn't put a hundred miles on it before the engine went so what we found was there is a circuit breaker in the fuse box in the pass fl...	6
	2004 Chrysler Crossfire 3.2L Trans VIN: 1C3AN69L44 Thanks for the help.I was getting atf in the connector. I replaced the connector sleeve that has 2 o-rings on it. so far so good. Jay a vendor called WHAT EVER IT TAKES has just the plate. part # d78446c, it is a mercedes part. 1-[...] is there #	3
	1999 Ford Windstar SEL 3.8L Poor Idle Quality, Misfire, MIL Lamp on VIN: 2FMDA5345X Thank you for all the help and knowledge….it's actually heartwarming to have people take precious time to share their experience. I managed to get the customer to stretch out his alligator arms and fix the car. As I figured the EGR ports were fine. I can't sa... Trouble codes: P0305 (Cylinder 5 misire).	29
	2002 Ford Escape XLT 3.0L Rumble during sharp left turn VIN: 1FMYU04172 this one is fixed for now we changed the fluid in the diff it did not have clutches in it and did not call for friction modifier we have driven the car multiple times and have not felt the shutter any more. we have returned the car top the customer	8
	2004 Ford F-250 Super Duty XL 6.0L long crank VIN: 1FTNF21P24 Thanks to everyone who read my post. Special thanks to everyone who took their time to respond. Like I said in my summary I was pretty sure the ball had come out of the high pressure oil pump. Just needed a push. If you don't know about the ball its in a hole ... Trouble codes: P2291 (injection control pressure low when cranking).	11
	2001 Jeep Wrangler Sport 4.0L No Start, No PCM communication VIN: 1J4FA49SX1 Load tested ecm power and grounds. found c1 pin 22 dead. found fuse had been pulled and installed in wrong slot. moved fuse and vehicle started. We had checked all the fuses but did not check locations. (Note to self, if its already been worked on by some one...	8
	2000 Lexus RX300 3.0L No Start, Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, Misfire VIN: JT6GF10U8Y Thanks for everyone's help. There ended up be 2 separate issues causing these things. The hard shifting was a bad ground at the computer that I was only able to find when someone told me to check the vehicle running and see if it had voltage at the ground, no ...	16
	2013 Mercedes-Benz ML350 3.5L Misfire, MIL Lamp on VIN: 4JGDA5HB0D Thanks for all of the replies, some suggestions were swapping injectors, checking coil connectors scoping coil and injectors,but the fix was a smoke check as suggested by several others. Found a small leak at a connector near #4 cylinder. Sealed it off and no... Trouble codes: P0304, P0300.	10
	2004 Porsche 911 Turbo 3.6L Hesitation, Cuts out, Misfire, wont scann VIN: WP0CB29924 Confirmed fix, we replaced bank 1 vario cam bracket (replaced both banks as a preventative) and the car is back to a nearly 800hp monster. With the aftermarket alarm removed the car starts great now to just keep the boost hoses together! Thank you all for your... Trouble codes: P0300 (Random Miss), P0301 (Miss Cyl 1), P0302 (Miss Cyl 2), P0303 (Miss Cyl 3), P0304 (Miss Cyl 4).	6
	2005 Suzuki Forenza LX 2.0L Mechanical VIN: KL5JJ56ZX5 Replaced the stop light switch but no help. I have sent this one to transmission shop because I don't do in side transmission work. The transmission shop I talked to thinks the internal filter may be stopping up.Thanks for the help.	5
	1997 Toyota Tacoma DLX 3.4L starting VIN: 4TAWN72N8V The only one respond and the correct answer to my problem was Joe! thank you Joe, the problem is/was the neutral switch was not providing ground to pin #2 either in park or neutral!	1
	1998 Volvo S90 2.9L Stall VIN: YV1KS9602W Ok this car is fixed. I was on a test drive with a fuel pressure gauge hooked up and everytime I slowed down,, or took my foot off the gas.. the pressure would gradually decrease to almost nothing and then stall or come very close to stalling. The pressure wou...	9

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