Automotive Technicians Technical Discussion and Fixes for Oct 25, 2013

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	Help Request	Answers
	1987 BMW L6 3.5L power window VIN: WBAEC8406H I'm posting this for informational purposes only. How to manually move the power windows up or down on vehicles with power windows.	View
	1993 Chevrolet Corvette 5.7L No Start VIN: 1G1YY33P3P Hey all, And thank all in advance. Not sure where to start. I will try to keep it short. Customer is driving along one day and car cough and pops and dies. Driving normally. So I go get it with ramp truck. Now I look at the car no spark and no codes. so I chan...	View
	2000 Chevrolet Blazer LS 4.3L Shift Module VIN: 1GNDT13WXY Replaced T/C module tried known good T/C switch still no communication to T/C Control Module!	View
	2002 Chrysler PT Cruiser Touring 2.4L No Start, MIL Lamp on VIN: 3C4FY58B92 Code po340. customer wanted new engine due to mileage I installed new jasper engine started it up filled coolant check for leaks all was good shut it off to clean up and write on work order restarted back up found engine light on check codes found po340 cam se... Trouble codes: P0340	View
	2005 Chrysler 300 Limited 3.5L Misfire VIN: 2C3AA53G75 Came in for complaint of wobble at 50+ mph - test drove & found misfire causing car to shake violantly,on ramp to highway,let off gas & smoothes out - scanner showing misfire on cyl 5 only -- idles perfect & driving on side streets no problems -- swap coil , p... Trouble codes: P0305 (Cylinder 5 misfire)	View
	1992 Ford E-350 Econoline XL 7.5L Electronic VIN: 1FDKE30G4N Hello and thanks in advance. I have pulled a dumb one here. I installed anew tranny in this motorhome, and as some of you may know they come with a new updated connector that you have to insert wires into.Simple enough except I have gotten one wrong which mean...	View
	2000 Ford Mustang 3.8L pcm VIN: 1FAFP4047Y when I got the car it would not start theft light would flash rapidly and the odometer was just dashes. perform koeo test no com with PCM but got U1262 from the instrument cluster. Checked the connector on the left fender wall with the two ground wires in it o...	View
	2001 Ford Ranger Edge 3.0L Surge, MIL Lamp on VIN: 1FTZR15U41 Replaced egr tube,came back with p0401 p1408 codes,found .1v on dpfe sensor wire replaced dpfe with ford part now have 1.0v,still fails koer test,have no voltage change on test drive with scanner,or at sensor with volt meter and vaccum pump,egr valve good,almo... Trouble codes: P0401 (Egr flow), P1408 (Koer test flow)	View
	2006 GMC Sierra 2500 HD SLE 6.0L No Start, Stall, MIL Lamp on VIN: 1GTHK24U26 This one's got me pulling my hair out. Truck has been to 2 other shops. Most of the time it runs fine, other than cel is on. Always has maf and 02 codes. Randomly it will just die like u shut the key off. Usually restarts immediately. Other shops have changed ...	View
	1996 Honda Accord LX 2.2L No Start VIN: 1HGCD7138T I replaced the engine in my car with a prelude engine and now I am trying to install a prelude ecu in the car. With the scanner I have all the readings but I have no spark. I am pretty sure they have put that wire in a different pin than the accord on the ecu....	View
	1999 Honda Accord LX 2.3L No Start VIN: 1HGCG5640X hello, we have been chasing a no start condition in this 99 accord for 6 months. the customer will tow the car here we get in it and it always starts. 6 months ago we did get it in a no start and replaced the distributor for no spark. Has had a main relay and ...	View
	2003 Honda Odyssey EX 3.5L Hesitation, Surge VIN: 5FNRL18673 This Van has us puzzled and we have never seen this problem on a Honda, Hopefully one of you guys can help and shed some light into this problem. This van has a loss of power or surge at take off when cold for the first 2 min of driving and runs normal the res...	View
	2005 Jeep Grand Cherokee Laredo 4.7L MIL Lamp on VIN: 1J4HR48N05 Thank you to all who respond.First of all I'm sorry for some lack of information.I'm trying to help a friend out who is a competent mechanic but doesn't have acsess to iatn due to a computer failure at his business.He replaced the heater core on this vehicle w...	View
	1999 Lexus LX470 4.7L No Start VIN: JT6HT00W8X Calls up on friday says his wife ran an errand and now it wont start. He is there with the car and I can hear him cranking it over the phone, it sounds normal just wont start. Hoping the belt hadnt failed I sent a wrecker for it, the wrecker driver also tried ...	View
	2003 Mazda Protege Mazdaspeed 2.0L Mechanical VIN: JM1BJ22723 car cam to us with slipping clutch replaced clutch assy old clutch assy and flywheel looked new replaced it car will noy move pulled it apart again parts guy found another clutch kit with different part number installed still no move both axles are good no noi...	View
	1993 Mercedes-Benz 400SEL 4.2L Poor Idle Quality, Hesitation, Stall VIN: WDBGA43E7P This car runs poor and will not clear its codes, has a new wiring harness in it from 2 years ago. with the multiple codes not clearing we checked down the harness anyway. The tests for these codes from MB are cryptic at best, I am hoping someone has better inf... Trouble codes: 2 (3 -), 3 (8 -), 8 (11 -), 11 (12 -), 12 (testing and results)	View
	2002 Mercedes-Benz C240 2.6L actuator motor VIN: WDBRF61JX2 Left footwell flap actuator has a knocking noise. Is this due to a bad actuator motor or something broken in the air box? Thanks tech's	View
	2008 Mercedes-Benz ML350 3.5L Starter VIN: 4JGBB86E28 Greetings fellow technicians, the original complaint was that a rear doors ajar warning message would appear in the cluster as soon as the vehicle would move. After finding out that the issue started after the vehicle returned from auction, we decided to check...	View
	2008 Mini Cooper S 1.6L Engine VIN: WMWMF73598 Cooper S came in with a loud rattle in the engine, can feel it on the top of the valve cover. Check engine light on with VANOS codes 287E and 287D- VANOS Inlet Actuator Movement. Removed valve cover, upper chain guide was broken. Replaced upper chain guide, lo...	View
	2009 Mini Cooper S Clubman 1.6L Radiator Fan VIN: WMWMM33549 Hello IATN members,thanks in advance. We have a Mini with a radiator cooling fan problem, the fan comes on at about 228f deg low speed it runs as long as the car is running the temp on scanner goes as low as 178f deg the air coming out of radiator gets cool an...	View
	2002 Mitsubishi Pajero 2.4L MIL Lamp on, Limp in mode Hello every one, I have here a 2002 mitsubishi Pajero io, this vehicle was not imported to North America and it's steering is on the right and it's fuel system is GDI . Customer recently bought this car and complained of a high idle speed( 15-1800 rpm) hot or ...	View
	1998 Nissan 200SX SE-R 2.0L Engine Idle VIN: 1N4BB42D4W Well, we have a good one here for the Nissan guys and gals, never seen this problem before, when we put this little rascal on gear it rev up by himself to 1500 rpm just by putting it on gear, checked p and found a little vacuum hose loose on the back of the en...	View
	2003 Nissan Maxima SE 3.5L pings VIN: JN1DA31A63 Car came in with a pinging problem at light throttle only. Costumer states that he uses 94 octane. We cleaned the throttle body only because it was dirty. No codes were stored. By a suggestion form another shop we replaced both timing adjuster solenoids. While...	View
	2005 Pontiac G6 GT 3.5L No Start VIN: 1G2ZH54815 Hi everybody, This vehicle came for rear main seal replacement, after completing the job we try to start the vehicle but its not cranking at all check the battery voltage its shows 12 volt, did lock unlock the the door , the anti theft system working properly....	View
	2000 Porsche Boxster Roadster 3.2L Can not put fuel in VIN: WP0CB298XY Hey fellow Porsche techs. This is a strange on. Car came in with a "hooting" noise from the air vent hole beside the gas cap. NOT the drain hole. Found and replaced both shut off valves mounted on the valve housing assembly. All this is behind the rf fender li...	View
	2008 Subaru Impreza 2.5i 2.5L Misfire VIN: JF1GE61658 This vehicle came to our shop with an engine knock. We replaced it with a good used motor. We also replaced timing belt prior to install. The problem we have is check engine light flashing on hard acceleration. Stores code po303 and po304. Can not feel engine ...	View
	2000 Volkswagen Jetta TDI 1.9L ecm VIN: 3VWSF29M9Y This vw is here for an obd emissions test and failed with no communication. No communication with scanner. Wiring to ecm checks out ok. Not sure where to go from here.	View
	2004 Volkswagen Jetta GLS 1.8L Poor Idle Quality VIN: 3VWSE69MX4 Hi all,I have a 04 jetta(1.8 turbo)that's giving me fits.Car came in with rough and surging idle and codes for random misfire and #1 misfire.Replaced plugs(at least 3years old but didn't look too bad)and misfire codes haven't returned however still have rough ...	View
	1998 Volvo S70 T5 2.3L Alternator VIN: YV1LS5375W After starting for a few minutes the lights will go dim then back to normal for 1 or 2 seconds - this repeats every 10 seconds. After a few minutes this stops. The lambda (check engine) light is on but no codes are found and attempting to erase codes makes no ...	View
	2002 Volvo S60 2.4L Trans VIN: YV1RS61R22 This volvo was towed in a few months back with a bad engine customer drove it with no coolant till it quit.ok get a good used eng. And replace job went well motor runs great but won't move trans fluid looked like old motor oil. Customer then tells us trans did...	View
	2003 Volvo XC90 T6 2.9L Power Steering VIN: YV1CZ91H83 car came in with stiff steering, not as bad as it would be with engine off but not a one finger wheel as you would expect. it has a speed sensitive feature. scanned with vadis in case there was indications of speed sensitive faults but none. spoke to my local ...	View

Fixes & Summaries for All Makes and Models

	Fix/Summary	Answers
	2006 Cadillac CTS 2.8L injector VIN: 1G6DM57T76 Well after a lot of trouble we finally fix the CTS. We did another test on the wires and found that the pin inside the injector connector was loose enough to make contact sometimes and sometimes not that's why the injector wouldn't fire. We replaced the pin an...	14
	1996 Chevrolet Tahoe LS 5.7L No Start VIN: 1GNEK13R1T thanks for all the help so far so good. ground straps on back of right head bad .one burnt into the other corroded into	45
	2003 Chevrolet Tracker ZR2 2.5L No power VIN: 2CNBJ73473 Sorry this took so long to close. This truck does not have variable valve timing or variable intake runners, so those suggestions where mute. Found out we do have a leak down detector (been here 16 years and never saw it). Performed leak down, 2 cylinders a...	8
	2005 Chevrolet Cobalt LS 2.2L harsh shift VIN: 1G1AL52F95 THANKS FOR ALL THE REPLIES-I THOUGHT THAT THE PRESSURE CONTROL SOLENOID COULD BE THE PROBLEM JUST LIKE SOME SAID.SO I REPLACED THE PRESSURE CONTROL AND THE TCC SOLENOID JUST FOR GOOD MEASURES. I DROVE THE CAR 200 MILES WITH NO PROBLEMS.THANKS AGAIN.	4
	2006 Chevrolet Colorado LT 2.8L No Start VIN: 1GCCS13896 I got some good replies. The opinion is what I suspected, a exhaust cam timing actuator or solenoid will not keep it from starting, only make it run poorly. The truck has 2 problems. The no start was the ignition switch, as some suggested. I replaced it, and a... Trouble codes: P0017 (CKP to CMP correlation).	7
	2006 Chevrolet Malibu LT 3.5L Remote Start VIN: 1G1ZT518X6 For starters, thanks to everyone for the suggestions and information! After getting some good info from Craig from Michigan we ended up calling the AC Delco Help Line to see if there was any possibility of changing the Remote Start status even though the BCM...	5
	1999 Dodge Dakota 3.9L Instrument panel VIN: 1B7GG22X4X This problem was fixed when we found a faulty ground circuit between the IP cluster and the ground lug at the left front fender. We believe it was an open circuit. Rather than trace the actual open, we ran a new wire from the cluster connector to the ground l...	8
	2001 Dodge Durango R/T 5.9L Hesitation VIN: 1B4HS28Z31 Thanks to all have posted. The fix was i change out the new coil with another new coil and fixed the problem. must have gotten a bad coil out of the box drove me crazy but glad its fixed.	11
	2008 Dodge Avenger SXT 2.4L Starting VIN: 1B3LC56K08 When the vehicle was brought in I was unaware that someone had tampered with the vehicle or tried to repair it. Thanks for the replies about testing inputs to the PCM. Unfortunately we missed a 40 amp ASD fuse that was missing from the underhood fuse compartme...	3
	2006 Ford Five Hundred SE 3.0L charging VIN: 1FAFP26156 Thank you all for the replies. The resounding theme was a faulty alternator so that's what we did. Car is fixed and charging is back to normal. We did check grounds, harness for rub throughs but all looked good.	11
	2005 GMC Yukon Denali 6.0L MIL Lamp on VIN: 1GKEK63U75 I GUESS I JUST NEEDED A WITCH HUNT THIS CLOSE TO HALLOWEEN. ENDED UP BEING A SCAN TOOL GLITCH, TRIED ANOTHER BRAND OF SCAN TOOL AND IT READ O INCHES H20. I INSTALLED THE PURGE VALE THAT WAS NOT WORKING CORRECTLY AND LEFT THE NEW ECM IN PLACE AND CALLED IT GOO... Trouble codes: P0455 (Evap leak).	12
	2006 Hyundai Tucson GLS 2.7L belt VIN: KM8JN72D16 i would thank all who replied, yes vehicle is fixed, the compressor bearing was bad, with the noise the engine was making i dont know if it was doing it before. i replaced the compressor and all is done. Thank you again	16
	2006 Jeep Wrangler Unlimited Rubicon 4.0L rear defrost VIN: 1J4FA64S16 thanks guys, its off to dealer to get configured. thanks to all. roland	8
	2004 Land Rover Range Rover HSE 4.4L check engine VIN: SALMF11474 There were two problems with this vehicle we had bad cats which were covered by Range Rover for a 120k, and we also had to adjust variable valve timing.	9
	2002 Mercedes-Benz CLK430 4.3L Air Bag Srs Light VIN: WDBLJ70G22 I would like to thank all of the members for the help. I substituted a fixed resistor in place of the right front air bag sensor, for a test and was able to make the light go off, and no codes. When faced with the expense of the harness, and modules the car ow...	9
	2006 Mercedes-Benz C230 Sport 2.5L Conductor Plate VIN: WDBRF52H06 OOPS! Removed valve body for inspection. I had rolled the o-ring for the K1 piston shift solenoid. While I was there I checked the rest and I rolled the TCC solenoid o-ring also. Replaced both and vehicle shifts fine. Sorry to waste everyones time. Ron	5
	2003 Mercury Sable GS 3.0L Stall, MIL Lamp on VIN: 1MEFM55S73 Well its fixed. Ended up replacing fuel pump. I could not duplicate problem so I gave back to customer 2 days later returned with same symptoms and code. Customer wanted to install fuel pump. We did its been 3 weeks and no problems. Trouble codes: P0191.	19
	1986 Saab 900 S 2.0L Poor Idle Quality, Cuts out, Stall VIN: YS3AC45DXG Ended up installing a good used air flow meter. The remanufactured units out there for these are junk. Performed the base idle relearn that William from MA provided and ran great. Thank you William and to all the others that replied.	6
	1999 Saturn SL 1.9L MIL Lamp on, erratic idle@coldsta VIN: 1G8ZF5281X No wiring issues were found. An detailed look and tracing of all possible 5 volt references from PCM showed all the applicable sensors (as related to the dtcs set) had their own 5 volt ref circuit and nothing was shared external of the pcm. Internally I beli... Trouble codes: P0122 (tps sensor A circuit low), P0405 (EGR sensor A circuit low), P1404 (EGR Performance), P0452 (Evap Emission System Pressure Sensor Low).	11
	2002 Saturn L200 2.2L brk pedal VIN: 1G8JU54F82 Thank you everyone for all your expertise. We are considering this a fix, after changing both the hydraulic and electrics of the ABS module we drove the vehicle several days with no issues. If the vehicle returns we will update. Again THANK YOU ALL\|	9
	2009 Smart Fortwo Brabus 1.0L No Start VIN: WMEEJ31X49 I'm closing with a summary, hate to close like this. Would like to say thank you to very one that replied, For the ones who said check fuel psi, I did and it was listed in tests preformed with spec. and it did hold. I also checked cts and was reading correct. ... Trouble codes: P0302, P0303, P0300, P0455, P0457.	5
	2004 Toyota Sequoia SR5 4.7L Poor Idle Quality, Misfire VIN: 5TDBT44A44 After the second time of the belt jumping timing we checked the camshaft caps. They are in perfect condition with no wear. We then replace the timing belt with a new one and retested. The vehicle has been running great for a week now. Thanks for the help. Trouble codes: P0300 (Misfires), P0302 (Misfire 2), P0304 (Misfire 4), P0306 (Misfire 6), P0308 (Misfire 8).	5
	2000 Volkswagen Passat GLX 2.8L power windows and mirrors VIN: WVWVD23B5Y Well the passatt from hell is fixed.Replaced drivers window motor.Amazing how easy it is when you get the right info from customer.I was chasing collision damage,turns out someone installed wrong motor somwhere in it's history.	8

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