Automotive Technicians Technical Discussion and Fixes for Oct 7, 2015

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	Help Request	Answers
	2001 Audi TT 1.8L Cooling Fan VIN: TRUTX28N11 Fan speed remains the same with ac system on or off driving temp stays center gadge. Stop at light or idle for a while temp goes almost to the red cannot find any real testing for this unable to get a high sppd from fan assy thank you for your time in advance	View
	2004 Audi A4 Cabriolet 1.8L p3081 VIN: WAUAC48H14 I am trying to figure out what this means. I checked the coolant system and it is full. I looked at the thermostat housing and it looks new. I checked the reservoir cap and it only holds 8 pounds of pressure. I wondered about this. Someone has been looking at ...	View
	2003 BMW 325xi 2.5L Misfire, MIL Lamp on VIN: WBAEU33433 hey fellow car had bad oil leak from oil filter adapter gasket after replaced oil filter adapter gasket and oil filter and oil car runs rough and engine service light on code p0011.try to reinstallold filter back in did not make any difference. car was fine be... Trouble codes: P0011	View
	2007 BMW 328i 3.0L Brake light on VIN: WBAVA33527 Hello guys I have this bmw with brake light on I hook my scanner and pulled a code for brake pad wear (they were low) I replace brake pads and also the sensor then I clear the code with my verus pro but code does not go away and brake light stays on. any sugg...	View
	2009 BMW X5 xDrive48i 4.8L Headlight VIN: 5UXFE835X9 Hi everyone and thanks in advance. I have a customer with this wonderful BMW and he is in love with it. It has this large stink bug (like a roach) in the drivers headlight and he would like me to remove it. I think I have found the re-re but would appreciate a...	View
	2005 Chevrolet Avalanche 1500 LT 5.3L valvetrain VIN: 3GNEK12Z55 squek noise from left valve cover.pull cover and noise prominent on # 1 exhaust rocker.Swap rocker to another cylinder noise remained on #1.Pull valve spring & seal lube valve stem allowing oil to run into guide.Reassm. no change.the noise.Suspect roller on li...	View
	2007 Chevrolet Tahoe LTZ 5.3L stability traction control VIN: 1GNFC13017 I have a 2007 Chevy Tahoe with dtc c0561 I have never seen this code before I have no experience with this system. The code is for Stability traction control. There are no drivability problems and it also has dtc p0300. If I could get some suggestions on what ...	View
	2007 Chevrolet Avalanche LTZ 5.3L 3-4 shift VIN: 3GNEC12007 Customer states the vehicle without warning while driving just quit going. Would back up and shift only 1st and second gear no 3rd or 4th. Verified this concern. Noticed there appears to be a mechanical whirring noise when in drive or third, and will actually ...	View
	2006 Chrysler PT Cruiser Touring 2.4L No Start, MIL Lamp on VIN: 3A4FY58B46 Hello fellow techs, customer brought the vehicle in running with a complaint it would go into limp mode at times. Original scan for codes found a list of ECM power loss P1664, and several trans codes for power loss, and opens. While testing for power and groun... Trouble codes: P0522 (Oil pressure sensor circuit open), P0127	View
	2000 Dodge Intrepid 2.7L Rke VIN: 2B3HD46R4Y Hello all. I replaced the BCM in this Intrepid due to a fault in the heater controls (wouldn't operate the mode actuator) and now the keyless entry won't work. I swapped the RKE module from the old BCM to the new on installation, and I tried programming the RK...	View
	2005 Dodge Grand Caravan SXT 3.8L Misfire VIN: 2D4GP44L35 Setting code P0300 and P0301. Can see missfires slowly counting on cylinder 1 when idling. Idle feels just slightly rough, otherwise ran good on test drive. Swapped plugs and wires - missfire stayed on cylinder 1. Compression on 1 = 180. running comp. = 50. co... Trouble codes: P0301 (Cylinder 1 missfire), P0300 (Random missfire)	View
	1997 Ford F-150 Lariat 4.6L Misfire VIN: 1FTDX1866V Truck misfires for 10-30 seconds on initial startup after sitting for more than a half hour or so. Misfires longer the longer it has been sitting. Feels like an engine that has an injector bleeding into the cylinder. Fuel pressure is right on spec. and doesn't... Trouble codes: P0304 (Cylinder 4 Misfire)	View
	1999 Ford F-150 Lariat 4.6L Right Front VIN: 1FTRX17W3X Vehicle is 2WD with front and rear ABS. GVW is 6050lbs. Came in with fairly evenly worn front pads. LF was metal on metal, RF was about 95% worn. Because of phenolic pistons we replaced calipers with all hardware, pads and rotors. The hoses were replaced as pr...	View
	2002 Ford Explorer Eddie Bauer 4.0L Alarm VIN: 1FMZU64KX2 Hey everyone I have this explorer that we have had in 2 time now for the alarm going off by itself randomly. Last time I kept if for a week while customer was out of town. Customer states the alarm will just start going off by itself. Turns it off and resets i...	View
	2002 Ford Explorer XLS 4.0L Handling VIN: 1FMZU72E92 This vehicle came in with a complaint of wandering, especially at highway speeds. When you try to change lanes on the freeway, the vehicle veers too far over, in either direction, right or left. The steering feels very unstable and unsafe. We have installed ne...	View
	2006 Honda Accord EX 3.0L A/C unit Good Morning Friends. I need a little help with this one. This Accord has an automatic A/C dual control unit. I worked on it on last july replacing leaking evapoator and compressor, also replaced drier, exp. valve and complete o-rings kit. All parts new oem th...	View
	2011 Hyundai Elantra GLS 1.8L Stall, Rattle noise VIN: 5NPDH4AE5B PLEASE READ RELATED REPAIR HISTORY FIRST OUR PROBLEM: The vehicle exhibits a terrible rattle noise ONLY once warmed up completely only at 1000-2000 RPMs. It also stalls at times when just barely idling up. Sometimes it will barely run and feel like it is goin...	View
	1997 Jeep Grand Cherokee Laredo 4.0L Hesitation, Misfire, MIL Lamp on VIN: 1J4GZ58S4V Customer came in several times with same complaint. Could not duplicate. Came back in and this time acted up for us. On acceleration on ramp to express way, bogs down, wont go over 45 - 50mph. Flashing Mill light. No miss fire felt at all. Back off pedal, pu... Trouble codes: P0300 (General Misfire), P0301 (Cy 1 Misfire), P0301 (Cy 1 Misfire)	View
	2008 Jeep Wrangler X 3.8L p0633 VIN: 1J4FA24188 I have replaced and programed this pcm using WiTech. when I go into the WCM and select Pcm replaced to program the secret key information into the pcm, it will not accept the pin number. When I input the number I get an error message " Unable to retrieve WCM/W... Trouble codes: P0633	View
	2009 Jeep Grand Cherokee Laredo 3.7L drivetrain VIN: 1J8GR48K89 Jeep guys please help have this grand cherokee laredo Shudders 45-80 mph comes and goes Seems like converter going on and off fast however step on the brake = unlock converter same shudder - downshift - same shudder inside of trans looks perfect no muck no met...	View
	2009 Land Rover LR2 HSE 3.2L Active On-Demand Coupling VIN: SALFR24N99 when cold for the first few turns the active on-demand drive shudders and feels like it is slipping/grabbing and this happens in forward and reverse only when making a sharp turn	View
	2007 Lexus GS350 3.5L No Start VIN: JTHBE96S57 Customer filled up with diesel, drove 1 1/2 blocks, car died. Towed in, we drained tank, put in fresh 91oct, replaced worn/fouled spark plugs. car still won't start. I suspect it is diesel in the high pressure fuel rails, but since i can't start it, how do i r...	View
	2007 Lexus IS350 3.5L Misfire VIN: JTHBE26247 Quick question for you Lexus Guru's. Got this 07 IS350 that intermittently develops a cylinder #1 misfire and sets a P1276 injector #1 circuit problem code. Have ohmed out circuit from injector driver module to and thru #1 injector and it ohms out at 2 ohms ju... Trouble codes: P1276	View
	2001 Lincoln Navigator 5.4L intermittent no stat VIN: 5LMEU27R81 Starts cold fine but sometimes when you stop for gas or go shopping it just spins over no start. Sometimes it seams like it will kick back a little like a timing issue. Finally it will start. I went under vehicle to check crank sensor and of course it started....	View
	2009 Lincoln MKS 3.7L Starting VIN: 1LNHM94R09 This vehicle will crank start and die like as if it was immobilized. After playing with it for a while it will set code B10D7, B10D8 and B10DA but I may be causing these to set. If I clear all codes, press the brake and start button and allow it to start and d...	View
	2005 Mazda 6 i 2.3L Charging VIN: 1YVFP80C55 I need some advice. I have a good customer that moved 6hr away and her car would not start one morning. She boosted it and drove it to a shop to fix it. They called said she needed a battery. she said ok. Then they phoned back and said it needs an alternator a...	View
	2007 Nissan 350Z Touring 3.5L MIL Lamp on VIN: JN1BZ34E07 Any help will be appreciated this car is not here with me right now but will be coming in soon it's a 07 nissan 350z low miles customer came in 2 weeks ago with a check engine lite on and said her fuel economy has gone down scanned found code p2a00 we replaced... Trouble codes: P2A00	View
	2005 Pontiac Grand Prix 3.8L Heat VIN: 2G2WP52295 There is no heat in the car. Water pump, heater core, water pump, radiator, thermostat, and coolant flush has been performed at a different repair shop (GM the dealer). Customer brought me the car and one of her friends told her to have the blend door actuator...	View
	1999 Porsche Boxster 2.5L Stall VIN: WP0CA2984X Car came in with rough idle on cold start, hesitation, CEL on. Original codes pulled were P1127 O2 sensing range cyl 1-3 P1129 O2 sensing range 2 cyl 4-6 and P0103 Hot film MAF. Cleared dtc and test drve watching MAF data doing third gear pulls, MAF reading ou... Trouble codes: P0102 (Hot film MAF sensor below lower limit)	View
	1985 Subaru Standard 1.6L No Start VIN: JF1AF2181F We had this Subaru in previously for a no-spark/no-start condition and diagnosed the distributor (which has the ignitor and pick-up coil internally mounted). Customer did not want to pay us for the repair, so they took the vehicle and installed their own reman...	View
	2009 Toyota Corolla XLE 1.8L engine VIN: 1NXBU40E29 Good morning men I have here a toyota corolla customer been driving it with miss fire do now it's hard to start.after cranking it for a bit it turn over runs very poor wen cranking engine crank over like no compression so I check compression cold all 4 cylinde...	View
	2006 Volkswagen Jetta 2.5 2.5L Cuts out, MIL Lamp on VIN: 3VWDF31K96 Tough one to diagnose here. 000818 trouble code for knock sensor is causing limp mode and engine not being able to rev over 3000rpm. This one is fairly intermittent. When accelerating in 5th gear, wide open, I can hear some light popping in the exhaust. Misfi... Trouble codes: 00083, 00081	View
	2009 Volkswagen GTI 2.0L MIL Lamp on VIN: WVWEV71K79 This car came from the auction so I do not have the history behind it. First time starting it, it takes several time before it will start. This is what I have done so far. I found #2 rocker arms off. Checked for damage and reinstalled. Removed timing cover to ... Trouble codes: P0340	View
	2010 Volkswagen Tiguan S 2.0L No Start VIN: WVGAV7AX0A Chrysler dealer I used to work for ask me to take a look at this used VW. Car was running great, parked it on lot, detail guy comes to get it, cranks, no start. I performed vehicle scan, no communication with ECM. TCM and other modules logging loss of communic... Trouble codes: 01314 (Sporadic communication), 00956 (Central electric module. no adaptation.)	View

Fixes & Summaries for All Makes and Models

	Fix/Summary	Answers
	2009 Audi Q5 Premium 3.2L air injectio VIN: WA1KK78R09 secondary air pump was full of water and vehicle had a collision a year ago I did change the pump but the PCM will not do any commands when asked , I also did find some wiring issues so I would say the pcm is either lost its programming or...	3
	1996 Cadillac Commercial Chassis Brougham 5.7L steering VIN: 1GEFH90P7T This Caddy is fixed. Ended up putting a p/s pump and pressure hose from a 1996 impala ss.same engine combination but without speed sensitive steering.taped up connector from solenoid on p/s pump.drives flawless.no lights on dash.	8
	1991 Chevrolet Corvette 5.7L a/c not working VIN: 1G1YY3383M hello group...customer took the car with programmer as is...customer stated that after driving vehicle for a while ,,,a/c started working...so shes driving as it is..thanks for input...	4
	1996 Chevrolet C3500 7.4L Excessive Emissions, Poor Idle Quality, Misfire, Poor Fuel Economy Found and repaired broken Bank1 exhaust manifold. Had plug wires crossed on cylinders 5+7. Install 4 new plugs in bank1, problem solved.	15
	2009 Chevrolet C5500 Kodiak C5V042 6.6L Brake Light On Dash VIN: 1GBG5V1969 well it has no codes at all in the abs system I am going to try a pump because when in a slow turn riding the brakes the steering gets harder you let up on the brakes and steering gets better I am guessing I just have a wore out pump I have the pump here just ...	7
	1994 Chrysler Concorde 3.5L cylinder head VIN: 2C3EL56F6R Thanks to all who replied. Keith from Connecticut nailed it. I used Permatex Anaerobic gasket maker. Problem solved. Thanks again!	4
	2007 Dodge Charger 2.7L Misfire, MIL Lamp on VIN: 2B3KA43R77 Did cylinder leak down on #1 cylinder have 20% leakage, performed upper induction clean, didn't help much, leaning towards valve train issues, customer wants to drive for awhile before digging into it so we will see what happens Thanks David Trouble codes: P0301.	4
	2012 Dodge Journey SXT 3.6L Harsh forced downshift VIN: 3C4PDDBG0C Vehicle is down the road with no repairs made. Apparently the harsh shifting has been an issue with this for quite some time and even though I think it's not right, the customer says it's always been like that and that he thought that's just how they are suppo...	7
	1997 Ford F-150 Lariat 4.6L steering box VIN: 1FTDX18W3V I replaced the steering gear box and and it fixed the problem thanks for the info every one.	26
	2007 Ford Expedition XLT 5.4L Rear door lock, tpms, turn signal indicators, brak VIN: 1FMFU16507 So althought there was nothing difinitive to suspect the PCM. We decided to replaced the PCM strickly on the basis of it being one of the three "termination" modules(IC,SJB,PCM) that had not been replaced. Replacing the PCM seems to have fixed the problem. Th...	5
	2010 Ford Escape Limited 3.0L Pedal loss VIN: 1FMCU0D68A Thanks again to all that replied! Wonderful input. One issue that was pointed out is to remember how ABS "acts" and some of the pedal action may have been normal. Also ,be sure brake fluid was not contaminated. We checked the fluid and it looked good.. We also...	15
	1999 GMC K3500 Sierra SL 7.4L Misfire VIN: 1GDJK34J5X Well, I have to close this request to keep my good standing but I have not fixed the truck as of yet. I did an injector balance test and everything passed, I went back and replaced the plugs, wires, distributor, cap/rotor, intake gasket, injector #6 for good m...	32
	2006 Honda Pilot LX 3.5L rear differential VIN: 5FNYF18166 Thank you for the replies. It did help some, not completely but it did help and is better than it was. I did use what honda recommended.	18
	2006 Jeep Grand Cherokee Laredo 3.7L Hand Brake VIN: 1J4GR48K76 Thanks to everyone that responded. Needless to say I am very disappointed in the local dealership's parts department right now. Vehicle is fixed and down the road. Could not have done it without your help. Much appreciated.	6
	2006 Jeep Commander Limited 5.7L Mechanical VIN: 1J8HG58286 I screwed this up. I was unsure of the repair and I let the customer know that. They declined the ticket right now and are thinking about it. He is driving it but likely will not get me to fix it. I didn't sell it properly and I didn't let the customer belive ...	12
	2008 Kia Sportage LX 2.0L mode door actuator VIN: KNDJF72428 I am still waiting on the dealer to get the correct part. The mode door actuator is clicking on this Sportage and a door is stiff. The iatn recommendations are to replace the actuator and see how it does because otherwise the dash has to come out to repair the...	4
	2000 Nissan Frontier SE 3.3L Poor Idle Quality, Misfire VIN: 1N6ED27T7Y Customer has decided not to spend anymore money on this truck so he leaves with the truck may bring it back later I'll let everyone know the outcome thanks for all the replies Trouble codes: P0300.	8
	1972 Oldsmobile Cutlass S 5.7L master cyl VIN: 3G87H2Z138 thank you all for your input. sometimes that's just what a guy needs to figure things out. the problem I found was the rear shoes were backed off with enough slack to let the plungers in the wheel cylinders to stick out and grab some air every time we would tr...	25
	2005 Pontiac Grand Prix 3.8L Engine VIN: 2G2WP52295 Thanks for every ones help it is just a one year deal so I will just have to live with it lol.	11
	2005 Subaru Outback VDC Limited 3.0L rear wheels VIN: 4S4BP85CX5 Thanks to all that replied. The owner is going on vacation and is scheduled to replace the tires when they return. We mentioned the next step to be the clutch pack -- and that even if the clutch pack fixes the problems the tires will still need to be done to h...	10
	2013 Subaru Impreza WRX Limited 2.5L Poor Idle Quality, Stall, Misfire, MIL Lamp on VIN: JF1GV7F68D we found a broken ground wire that we repaired and was good but the light came back on for p0300 after driving the veh for over 3k mils. Now we going to replace the engine harness rec by the dealer. Trouble codes: P0300.	7

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