Automotive Technicians Technical Discussion and Fixes for Aug 15, 2014

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	Help Request	Answers
	1990 Alfa Romeo Spider Veloce 2.0L Excessive Emissions, Poor Idle Quality, Misfire VIN: ZARBA12T6L car will not pass IM at idle, high HC and CO. At 2500 it is running well enough to pass IM. Checked temp sensors, cam timing, VVT solenoid, cleaned injectors, fuel pressure correct, customer installed new plugs wires and cap. I will try a used ref sensor tomor... Trouble codes: 1223 (O2 sensor readings go to max or min164 factory manual), 1265 (Not in factory manual)	View
	2011 Audi Q5 Premium Plus 2.0L low oil level warning VIN: WA1LFAFP8B Replaced oil level sensor, still reads low oil level remains on,drove vehicle 40 miles low oil still on, we did find a tsb for defective hood latches, checked hood latches they are recognizing close position when the hood is closed, checked fuses ok, checked f...	View
	1998 Chevrolet Cavalier 2.2L abs/srs VIN: 3G1JC5249W No communication with abs module or air bag module. Abs and red brake light on. unplugged instrument cluster, then able to communicate with abs and airbag module. Replaced cluster and established communication with both modules. Shortly after no communication ...	View
	1998 Chevrolet Corvette 5.7L Instrument Panel Voltmeter VIN: 1G1YY22G6W This 1998 Corvette has a problem with the digital and gauge readout on the instrument cluster. Although at the battery I have about 12.7 volts with all loads on (blower motor, air conditioner, wiper motor, rear defroster, radio, high beams, fog lamps and radia...	View
	2003 Chevrolet Silverado 2500 6.0L Hesitation, Cuts out VIN: 1GCHC29U53 this one is beating me up. iv gone over this truck looking for a ground problem and cant seem to find nothing.THE moudal on the firewall next to the brake booster I replaced.Has anyone seen this? When we get the truck to the shop its fine,but 2 days later in t... Trouble codes: P1518, U1041, U1064, U1301	View
	2005 Chevrolet Trailblazer LS 4.2L P/S pump VIN: 1GNET16SX5 2005 Trailblazer,6 cyl. P/S pump leaked all the fluid out and ran dry.Replaced pump and all is well for 2 days.Truck comes back with squealing noise at times. When you turn the steering wheel all the way to either side the power steering pump pulley stops turn...	View
	2005 Chevrolet Silverado 1500 5.3L rotors VIN: 1GCEK19ZX5 to continue truck came back in 2 days still rotors locking up due to overheating . if we would crack the inner brake line( right rear)on master front wheel would release , next removed master cylinder found old master cylinder sticking in bore thought this was...	View
	2009 Chevrolet Silverado 1500 WT 4.8L Wipers with delay VIN: 1GCEK19C29 This one came in with no wipers. We checked all fuses and checked for power and grounds at the motor. No battery voltage at motor. 4 of 5 circuits at motor show good to ground. Ran battery voltage to circuit not showing ground with no results. Unable to find a...	View
	1999 Dodge Durango SLT 5.9L 1-2 upshift and passing gear VIN: 1B4HS28Z7X Thanks in advanced! Durango was purchased by me, while normal driving vehicle seemed to shift normal, under WOT would not shift out of 1st gear with out slight depression of throttle. We adjust the kick down cable to no avail. Not being a tranny guy at all I d...	View
	2002 Dodge Durango SLT Plus 4.7L No Start VIN: 1B4HS58N12 Hi Guys and Girls I have this Durango which was towed to my shop because the shop that installed the engine could not get it to run.I asked them if the old engine ran, and they told me it did but had a knock. I was wondering if the tone wheels change in this e... Trouble codes: 335 (crank sensor circuit)	View
	2003 Dodge Durango Sport 4.7L 4 wheel drive VIN: 1D4HS38N73 The 4wd light comes on after 20 seconds. The 4wd is inop. The only code in the TCCM is "Internal Error". I have replaced the TCCM, no change. On the scanner the 4wd switch pid reads ???. I replaced the switch, no change. I have checked all circuits and recheck...	View
	1968 Ford Mustang 3.3L Mechanical VIN: 8T01710304 Vehicle came in with a blown head gasket. I pulled the head and sent off to get a valve job and resurfaced. Machine shop called and said the head was damaged beyond repair but that they could give us another head. The only difference is the carburetor bore (th...	View
	1992 Ford F-150 Custom 5.0L hard shift VIN: 1FTDF15N6N Thanks in advance. Any help is appreciated. Customer was referred by another shop that had done extensive trans work. They are convinced that the problem is electrical or computer related. When it came in it had a trans temp sensor code and the trans harness...	View
	2007 Ford Focus SES 2.0L MIL Lamp on VIN: 1FAFP34N77 Hello everyone. I have a slight problem with this vehiicle. Customer complaint of engine light staying on. Checked codes and found code number p0403- egr control circuict. I replaced the egr twice and customer would return about a week later complaining of eng...	View
	2009 Ford Ranger FX4 4.0L Stall VIN: 1FTZR45E79 customer stated his truck ,while driving would die ,but would restart immediately ,no rough running or jerking,then run for 6to10 mim die again .we put in the shop and it will run around 8 min then cuts off ,it will restart immediately with no hesitation and r...	View
	2010 Ford Explorer XLT 4.0L Hesitation, MIL Lamp on VIN: 1FMEU7DEXA Hello fellow Tech I have this 2010 Ford, we over hauled the cylinder head due to broken thermostat housing. Head gasket was replaced and we assembled back the cylinder head. Engines runs fine when we start up and while the engine is cold. After 10 Mins of dri... Trouble codes: P0320 (Ignition Engine Input Circuit)	View
	2010 Ford Transit Connect XLT 2.0L rear adjusters VIN: NM0LS6BN7A the transit came back after 1500 miles with the right rear adjuster lying in the drum. I replaced it with another new one. Now its back with the adjuster lying in the left rear drum all springs and shoe retainers are still in place as was the last time	View
	2011 Ford Escape XLT 2.5L Hesitation, Cuts out, Stall VIN: 1FMCU9D73B This escape was hit in the rear end. after the repairs the vehicle would cut out under acceleration and then cut back on. checked fuel pressure and it will drop down to almost 10psi when under a load/ accelerating. a new fuel pump was put it and the fuel pump ...	View
	2011 Ford Fiesta SE 1.6L MIL Lamp on VIN: 3FADP4EJ5B Customer comes in with a p0068 and we clear the code then comes back about six weeks later code is back. Ford is not my strong point and could use some help on this one. My modis shows nothing out of the ordinary cleared code and does not return. No known driv... Trouble codes: P0068	View
	2003 GMC Envoy XL SLE 4.2L vents VIN: 1GKE516S73 This one for the fellow gm techs: The customer complained erratic vent operation .Came to me with selector in face but blowing from the floor outlets .Looked on the database and found it to be a common problem on this platform,so went ahead and ordered the ne...	View
	2011 Hyundai Santa Fe GLS 3.5L rear differential? VIN: 5XYZGDAB0B thios car came in with RR clunk on accel - test drove & finally heard it! sounds like AWD kicking in when taking off, turning right. not hard accel, just normal driving! not every time! no bullitens! I called Hyundai, they said they have no history! 2nd owner,...	View
	2007 Isuzu NPR 5.2L No Start hey guys truck came in no start primer pump on filter housing would not work replaced housing with new one from Isuzu can pump up filter truck starts and runs fine let truck sit for ten minutes loses prime will not start pump filter primer pump starts right up...	View
	2007 Jeep Wrangler Unlimited X 3.8L cruise VIN: 1J4GA39167 -Truck has no cruise control. Lifted truck and modified truck, very well maintained rig. Checked Fuses, cruise switch, continuity to ECM, made sure no other codes prevented operation of cruise. (We had a steering angle code, but fixed) My two question here are...	View
	2005 Lexus RX330 3.3L battery VIN: 2T2HA31U55 We have received a 2005 lexus rx330 with a battery drain issue. tested the battery, starting and charging system and found all to be working properly. did a draw test on the vehicle and got 540 ma at first. after waiting 30 minutes came back and had 250 ma, bu...	View
	2007 Lincoln MKZ 3.5L engine timing VIN: 3LNHM26T57 Hey guys I have a technical question here. This Lincoln has the 3.5L 6 cyl DOHC VVT motor. Originally it came in with a couple codes for the bank 2 cam correlation and it was running bad at idle. I put a new VVT solenoid in it and it didn't change a thing, tim...	View
	2006 Mazda 6 i 2.3L No Start VIN: 1YVHP84C36 have this mazda 6. may have more than one problem. found no rpm when cranking on scanner. replaced crank sensor after finding 12 volts on yellow wire , 5v on blue wire and good ground on black wire start. no injector pulse, no spark. still no start. scope blue... Trouble codes: P0335	View
	1995 Mitsubishi 3000GT SL 3.0L oil press VIN: JA3AM54J1S The car is back together but now I have low oil pressure . The rpms drop down below 500 some times it stalls and the oil lights flickers. Its not the sender I tested it with a mechanical gauge and has around 8 lbs. at idle warm. The car smokes bad after it get...	View
	2000 Nissan Frontier SE 3.3L MIL Lamp on VIN: 1N6ED27T9Y Hi guys, this is a nice truck to work with, it came with all this codes and the check engine light on (P0151, P0131, P0134,P0145 and P1168), after a short diagnosis we notice that indeed, the front 02 sensors just stay at .6 volts once the vehicle is hot it do... Trouble codes: P0131 (sensor circuit low bank 1 sensor 1), P0134 (sensor circuit no activity bank 1 sensor 1), P0154 (02 sensor circuit no activity bank 2 sensor 1), P0151 (02 sensor circuit low volts bank 2 sensor 1)	View
	1998 Pontiac Grand Prix GT 3.8L radio and windows VIN: 3G2WP52K2W power windows and radio quit working at the same time.	View
	2002 Saab 9-3 SE 2.0L Misfire, MIL Lamp on VIN: YS3DF78K02 car belongs to my wife, MIL comes and goes with this random cyl misfire code. car runs good, never noticed a miss in it Trouble codes: P0300 (random cylinder misfire), P0303 (cylinder 3 misfire)	View
	2006 Subaru Legacy 2.5i 2.5L Poor Idle Quality VIN: 4S3BP62626 after replacing the head gaskets and timing belt the vehicle would run fine cold but have a very low idle after warm up and often stall at idle, re-checked timing belt marks, smoke check showed no vacuum leaks, performed idle re-learn and got better after a fe...	View
	2004 Suzuki Verona EX 2.5L blower motor VIN: KL5VM52L14 customer is complaining about intermittent blower motor, will be working then just cut out sometimes for a few minutes sometimes for a few hours then it will just come back on. When all is working I have power and ground etc. When the blower motor cuts out I h...	View
	2003 Toyota Highlander 3.0L traction VIN: JTEHF21A83 This thing is driving me nuts.At low speed acceleration it seems either the abs or traction control engages,when this happens the rear speed sensors are reading 3 to 5 mph and the front are reading 0.This is the only time it happens and mostly on a hill.Normal...	View
	2006 Toyota Highlander Hybrid Limited 3.3L MIL Lamp on VIN: JTEDW21A76 Hello Everyone, I have this highland hybrid with a multiple misfire code. Put it in service mode with engine running and engine is not misfiring. It appears to be a intermittent problem. Look at fuel trim short and long around -5 and doesn't appear to have an... Trouble codes: P0300 (Multiple misfire)	View

Fixes & Summaries for All Makes and Models

	Fix/Summary	Answers
	2002 Acura RSX 2.0L MIL Lamp on VIN: JH4DC54862 ok, i looked at the present ks on a vom and found the sensor was a mass piezo broad spectrum sensor used on the older cars.([2001) this ecm was looking for a resonant piezo sensor, from 5000hz to 9000hz range. i went to honda and bought the right part, probl... Trouble codes: P0325.	6
	1998 Audi Cabriolet 2.8L convertible top VIN: WAUA488GXW well the fix is in thankyou for the replies Bruce,Tony,and Victor well the trunk was locking with remote key and when trying to open top but the trunk lock acturator also has micro switches in it to that were not seeing it was locked replaced acturator and all...	3
	1999 Buick Park Avenue 3.8L compressor VIN: 1G4CW52K8X thanks for all the help..it had a bad body control module reprogramed and all is working good.	16
	2000 Chevrolet Astro 4.3L Hesitation, Surge, Cuts out, MIL Lamp on VIN: 1GCDL19W2Y Clogged Exhaust; After checking a lot of things I finally went with a gut feeling and pulled both front 02 sensors out and van ran good, replaced Cat/Y pipe and the van runs good. Should of check the first, but thanks to all of you for the replies, I got more ... Trouble codes: P0102 (Mass air flow low).	20
	2005 Chevrolet Corvette 6.0L converter VIN: 1G1YY24U35 I would like to thank everyone who responded to my request. Steven [...] had the best answer for me. There really is no reason that I could see for removing the torque tube WITH the transmission.After removing the torque converter bolts, cross member etc. I ju...	3
	2006 Chevrolet Uplander LS 3.5L ABS Module VIN: 1GNDV23L76 Well the vehicle is fixed and delivered to the customer. I want to thank all of you for replying. The fix was the EBCM did need to be flashed. Even the dealer that I bought the part from did not know this. I have been flashing controller since 2007 in the afte...	4
	2002 Ford F-550 Super Duty Lariat 7.3L fuel pressure VIN: 1FDAF56F82 you guys hit it on the head replaced regulator all good thanks	14
	2008 Ford F-250 Super Duty XLT 6.4L all gears VIN: 1FTSX21R88 finally found a broken wire in the trans harness that was intermittent, tested harness 1 day it was good and the next day it was faulty!	4
	2010 Ford Taurus SEL 3.5L Front Control Panel VIN: 1FAHP2EW1A Unfortunately or not the problem hasn't come back. Ever since I pulled the fuse all systems are good.	3
	1989 Jeep Wrangler Islander 2.5L No Start, Poor Idle Quality, Cuts out VIN: 2J4FY39E7K Replaced ignition module. Seems to start regularily now. Customer will return for further electrical diagnosis on IAT & CTS in the fall.	12
	2003 Mercury Mountaineer 4.0L Noise VIN: 4M2ZU86KX3 THANKS FOR AL [...] THE HELP! THE PROBLEM ENDED UP BEING THE CROSS MEMBER DIRECTLY BEHIND THE LOWER A ARMS. IT HAD FOUR BOLTS HOLDING IT IN. TWO ON EACH SIDE SO I LOOSENED THE TWO ON THE PASSENGER SIDE (THEY WERE TIGHT)AND THE NOISE WAS GONE. I REMOVED THE BOLTS AN...	14
	2005 Mercury Grand Marquis LS 4.6L Gauges VIN: 2MEFM75W75 It ended up being another bad alternator from oreilys the diode was bad and not putting enough amps out..	3
	2007 Nissan Altima S 2.5L pcm VIN: 1N4AL21E27 thanks for the help . directions to do this is wrote for factory tool Found that you have to erase key to get computer to aseptic new code. This must be done before rewriting vin also have to cut on 4 way flasher ,i know dumb but works . also found if you sho...	1
	1998 Toyota T100 SR5 3.4L Lighting VIN: JT4UN24D1W Customer decided that they were not going to spend any more money on this truck, they are trading it in. Thanks for the replies.	13
	2003 Toyota Camry SE 2.4L MIL Lamp on VIN: 4T1BE32K63 Crossed the a/f that came out and got the correct one. James sent the purrfect description of what was going on and you all hit it so thanks to all. Seth Trouble codes: P0031.	8
	2001 Volkswagen EuroVan MV 2.8L Fuel Tank VIN: WV2EB47051 SMOKE TESTED AND FOUND LEAKING BETWWEN METAL FUEL FILLER NECK PLATE AND PLASTIC TANK FILLER NECK.DROPPED TANK ENOUGH TO REMOVE AND REINDEX TO ALIGNMENT TAB AND REINSTALLED WITH SEALANT.RAN BOTH TESTS 70 AND 71 ON VCDS AND PASSED.THANKYOU FOR ALL THE HELP	4
	2003 Volkswagen Golf GTI 1.8T 1.8L transmisson VIN: 9BWDE61J93 Thanks you to all you guys who replied, sounds like it was as i thought, not much to do in terms of cheap fixes, replace the unit complete sounds like the cure. I actually found a guy on Ebay who rebuilds them with all brand new factory parts for anywhere fro...	8

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