Automotive Technicians Technical Discussion and Fixes for Apr 23, 2013

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	Help Request	Answers
	2008 Acura TSX 2.4L engine VIN: JH4CL96958 Customer brought vehicle back for same issue. The symptom reminded her of a battery getting ready to go out. The engine sound reminds me of an engine trying to start with advanced timing. As if the engine is working against itself. Have seen other Honda vehicl...	View
	2005 BMW Z4 3.0i 3.0L Convertible VIN: 4USBT535X5 Greetings fellow techs! This one's eating my lunch. After pump replacement (submerged in water and rusted out because of blocked drain tube) the scuttle latch on top of windshield will not lock automatically. The red led on the convertible switch is flashing ...	View
	2006 BMW X3 3.0i 3.0L Hesitation, Surge VIN: WBXPA93436 This x3 has a stutter/hesitation under mild to heavy load at 3k rpm and higher. Feels almost like at misfire but plugs and coils have been changed and problem still occurs. No codes in Engine or Trans. Does have oil wear in transfer case module. Fluid looks ne...	View
	1991 Cadillac DeVille 4.9L relay VIN: 1G6CD53B8M We have an intermittent no crank and I want to check the crank enable relay but we can not find it. Mitchell shows it on both sides under dash and I havent found it on either side. need a Caddy guru! Thanks in advance	View
	2005 Chevrolet Silverado 2500 HD 6.0L power steering VIN: 1GCHK29U55 Greetings fellow techs! I already know which way I'm leaning with this particular vehicle, but thought I cast a line out just to see what kind of nibbles I'll get. So here goes... Customer dropped off his truck compaining of a whining noise, which I confirmed ...	View
	2006 Chevrolet Silverado 2500 HD LT 6.6L Tcm VIN: 1GCHK23D66 Truck came in from ford dealer to have tcm replaced and programed, replace the module with a new module and went to program and there is no communications...had some used modules and tried them,still no communications. Replace glow plug control module then ecm...	View
	2007 Chevrolet Tahoe LTZ 5.3L Co300 Rear Drive Shaft Speed Sensor VIN: 1GNFK13067 Thanks in advance, this tahoe is setting co300 code. Using tech2 monitor spd signal-rpm spd signal is very erratic, 1657 then 634 then 32 rpm etc. Replaced speed sensor, still erratic rpm. Just wondering if anyone has come across this code, and if there is a p...	View
	2007 Chevrolet Suburban 1500 LTZ 5.3L 4 4 wheel drive, stabilitrac VIN: 1GNFK16307 Fist episode was about 3 months ago cust states that vehicle lost power on highway and stalled out, after which became hard to turn steering wheel. Nothing found with stalling but four wheel drive was turned on. Vehicle was fine until now cust went over large ...	View
	2001 Chrysler 300M 3.5L No Start VIN: 2C3HE66G21 This 300M die when the customer is driving on the high way. It will try to start and die. I already replace the cam and crank sensor, no fix. Compression is about 150 PSI on all cylinder. According to the scan tool, none of the Monitor is ready. But, there is ... Trouble codes: P0605 (Internal control module ROM read only memory error)	View
	2000 Dodge Dakota 4.7L current draw VIN: 1B7GG22N2Y Has anyone seen this before, the customer says she has to get a jump start a couple of times a month(common for it to sit a week). I would lean towards the tcm being at fault, but would like to not just through a part at it without some kind of confirmation fr...	View
	2004 Dodge Durango Limited 5.7L a/c VIN: 1D8HD58D04 not to familiar with this system.i did a evacuate and recharge,system has no leaks..so cold air comes out the rear vents...cool/warm air out the front vents.it has rear a?c..had no trouble codes.a/c has a full charge.low side reading is 35 psi, high side is 17...	View
	2000 Ford F-550 Super Duty Lariat 6.8L Misfire, No spark bank 1 VIN: 1FCNF53S8Y Ford motor home chassis. 6.8 v10. Ran good when last used, now it has no power. Low manifold vacuum at idle/2500rpm, 15-17 in. Even compression banks 1 and 2. Injectors are firing. Bank 1 o2 stuck low, (200mv. Bank 2 switching good. Adding propane to throttle ...	View
	2002 Ford F-250 Super Duty Lariat 7.3L Icp VIN: 1FTNW21FX2 This truck came in on a hook with no start condition.during cranking icp would only reach about 350psi.after testing i determined it needed hpop.i replaced hpop and regulator after a few cranks it cranked right up.it idled for about 20 minutes everything seeme...	View
	2005 Ford Focus ZX4 2.0L Excessive Emissions, Poor Idle Quality, Stall, MIL Lamp on, Battery light on VIN: 1FAFP34N15 Customer complained car lost engine power but still ran but wouldn't idle. Vehicle towed in. Started car ran fine for about 5 minutes, battery lite came on engine died. Restarted car, has to keep foot on car to keep running and noticed high exhaust emissions. ... Trouble codes: P1397	View
	2009 Ford Escape XLT 3.0L AC system VIN: 1FMCU03G59 Hello all, and thank you for in advance for an guidance. Working on a Ford escape, 3.0 duratec. Having odd AC issues. This car came in originally with the pressures thru the roof: high side about 370psi and low side had our gauge pegged (120 psi). Wouldnt turn...	View
	2009 Ford Expedition EL XLT 5.4L automatic VIN: 1FMFK15589 ok guys this expedition came in with the drivers front window regulator broken.I replaced the regulator and reinstalled the factory motor.The window works fine up and down but in automatic mode it stops an inch before completely closed.I read on mitchell about...	View
	2008 GMC Yukon Denali 6.2L Hesitation, Surge VIN: 1GKFK63858 Hey all. This truck is getting to me a little bit. truck came intop shop with a hesitation or surge. checked codes have code P0230 Fuel pump Control Circuit. Tested for power and at Fuel pump control module pin 13 it has power when i turn the fuel pump on and ... Trouble codes: P0230	View
	2001 Honda Civic LX 1.7L instument cluster VIN: 1HGES16551 I have a 2001 civic with a dead instrument cluster. Customer bought this car 1 week ago so no repair history. Warning lights, signal indicators work but nothing else. All gauges, odometer, back lighting not working at all. Customer told me the guy he bought it...	View
	2001 Honda Civic EX 1.7L all gears VIN: 1HGEM22941 Hi fellow techs. Thanks for any help that may be offered. This Honda belongs to my son, I'm trying to help him out, I might add that he lives about 300 miles away from my shop, all work that has been done has been done at his home, in his garage, on the ground...	View
	2007 Honda Accord Special Edition 2.4L MIL Lamp on VIN: 1HGCM56357 The P0139 freeze frame data is as follows: RPM = 2213 ABSOLUTE THROTTLE = 23.1 RELATIVE THROTTLE = 14.5 CLOSED LOOP IAT = 69 F ECT = 194 F AIR FLOW RATE = 22.8 g/s INTAKE MAP = 20.6 IGN TIMING ADVANCE = 21.5 STFT = 0.8 LTFT = -1.5 SPEED = 46 MPH CALCULATED LOA... Trouble codes: P0139 (B1S2 Oxygen sensor slow response)	View
	2005 Jeep Grand Cherokee Laredo 4.7L Stall VIN: 1J4HR48N15 stalls restart no promblem only with customer driving of course,no codes.can not duplicaye conceren.tapped on pcm stalls no codes.replaced pcm.had dealer reflash.test drove good .customer picked up came back same concern.tapped on pcm same situation.is tap tes...	View
	2003 Mercedes-Benz CLK430 4.3L Convertible top VIN: WDBLK70G33 Hello every one thanks for reading this help. I have a customer with convertible top not opening, I synchronize all windows after replacing window regulator. when I twist open front top handle all windows goes down but when I push open top button nothing happe...	View
	2001 Mercury Villager 3.3L Wiper Washer Light VIN: 4M2ZV11TX1 Hello and thanks for the help on this one. The vehicle is in for the washer light being illuminated on the dash with the reservoir full or not. I disconnected the connector on the sensor and the light is out...so I thought it must just be the sensor. I replace...	View
	2007 Mini Cooper S 1.6L Excessive Emissions, Poor Idle Quality, Hesitation, Surge, Misfire VIN: WMWMF735X7 Start the vehicle cold and it idles ok, slight roll. 30 seconds later it will start to roll up and down 800 rpm to 200 rpm, left for 2+/- minutes and it will stall. Happens when the vehicle is hot or cold. performed pcv test by installing a port in the oil cap... Trouble codes: P1497 (Air iduction leak), P2178 (System to rich off idle)	View
	2001 Mitsubishi Eclipse Spyder GT 3.0L MIL Lamp on VIN: 4A3AE85HX1 Thanks in advance..This car originally had both P0421 and P0431 codes. I performed a cat burnout...Removed 1 plug wire from each bank and ran engine at 3000rpm for 3 minutes. Both cat monitors completed and car went home. A pending P0431 came back. idles norma... Trouble codes: P0431 (Warm up cat below threshold), P0507 (Idle control higher than expected)	View
	2006 Mitsubishi Outlander LS 2.4L 1st gear VIN: JA4LX31F76 Not sure of this one. When first put in drive, you drive 2 mph, the vehicle will feel as if it were to drop into neutral and stay in neutral until You can place it in neutral and back to drive, and drive 2mph more and it will feel as it were to drop into neutr...	View
	2008 Nissan Frontier LE 4.0L anti-slip VIN: 1N6AD07WX8 the SLIP light and the VDC off light are both on. I recently changed the front pads and rotors. During that time the battery went dead. According to the owners manual if both lights are on steady after the battery going dead you need to drive it for 10 minutes...	View
	2002 Saturn SL2 1.9L p0341 VIN: 1G8ZK52732 vehical came in about 3 months ago with code p0341 cmp sensor circuit performance cleared codes and now its back so I ohmed out plug wires ohmed out bad removed and replaced plug wires and put new copper style spark plugs in and also gaped them to specs compre...	View
	1992 Toyota Camry LE 2.2L Engine VIN: JT2SK12F3N Diagnose for vibration at idle in reverse or drive. Dog bone badly cracked.front eng mount worn. Vibration still persist,loosen mount and settle power plant in bed. Have done this several times,different ways. No go, putting it out for suggestions. Thx to all....	View
	2000 Toyota Camry LE 2.2L Poor Idle Quality, Hesitation, Surge VIN: 4T1BG22K5Y This car came to us from another shop that could not figure it out. Funny thing was the owner stopped in and talked to me and after I told them how much to do diagnostic on it she took it to this other shop. Sad thing is I cannot figure it out either, yet... ... Trouble codes: P300P, P0105 (MAP/Baro Circuit Fault), P0120 (TPS Circuit Problem), P0133 (O2 Sensor Slow response B1S1), P0440 (EVAP System Fault)	View
	2006 Volkswagen Jetta TDI 1.9L Electronic VIN: 3VWDT81K36 This has a lot of the same codes, Its telling me to look at the computer. Most of the codes on vws are not that many of the same ones. Has anyone had this many codes of the same type. It also has one for the boost , we can look at this, Any help with the possi...	View

Fixes & Summaries for All Makes and Models

	Fix/Summary	Answers
	2008 Audi A4 2.0L idle system VIN: WAUAF68E18 the car has not returned to our shop. customer on vacation. when it comes back, will try your replies, since all of them point to the pcv or pressure regulating valve per audi nomenclature. will post the outcome for sure. thanks to all you guys.	7
	2004 BMW X3 2.5i 2.5L Mechanical Thanks to everybody. I posted waiting for a miracle. Still don't have the answer of why the engine was running well before pulling the head, but the valves were not seating at all, like when is overheated. I pulled the cams and leak down was 80%. Sent the head...	19
	1996 Buick Park Avenue 3.8L A/C Vents VIN: 1G4CW52K2T Thank You guys for your replies.i culd'nt get any flow from vents any time except when i appied vaccum to blue vac.line with my mighty vac.the used a/c programmer was also faulty. i took the cover off and repaired the original one,it had a bad vacuum manifold....	10
	1995 Chevrolet Camaro 3.8L neutral safety ok for all you guys that said where it was thanks. problem revealed itself after finding the relay with a cheap-o connector pinching yellow and purple wires together. removed it everything works. this car had an aftermarket alarm or something installed previou...	4
	2001 Chevrolet Silverado 3500 6.6L Engine VIN: 1GCJK33161 Many replied that cam gear has a pin that breaks off so easiest thing to do was to pull a valve cover and I found bent pushrods and cam is not turning so suspect broken pin on cam gear but engine is likely junk and waiting from customer to see what he wants to...	10
	2003 Chevrolet Impala 3.4L Oil comsumpt FOUND TWO BROKEN VALVE SEALS, REPLACED THEM ALONG WITH INTAKE GASKETS AND BOLTS, CUSTOMER DRIVING VEHICL SO FAR NO OIL USE?	18
	2004 Chevrolet Colorado LS 3.5L ignition VIN: 1GCCS13684 Hey, I am trying to update my thread but i do not know where to click to update, so i am emailing you, so help me update the thread with the codes i have found in the bcm module after scanning B2957, B1442, U1301 THIS CODES CAME AFTER CLEARING ALL THE HISTOR...	9
	2005 Chevrolet Silverado 2500 HD 6.6L Stall, Misfire, MIL Lamp on VIN: 1GCHK232X5 Thanks For All the Help I Rebuilt the Fuel Primer with a kit from Kennedy Diesel and Replaced the fuel filter with a steel one from GM and the problem is gone Trouble codes: P0300, P0202, P1294, P2149.	11
	2007 Chevrolet Impala LT 3.5L fuel gauge VIN: 2G1WT58K07 IT APPEARS THAT THIS VEHICLE IS FIXED/HAS NOT RETURNED SINCE WE CHANGED THE DASH CLUSTER-THANKS FOR ALL THE RESPONCES-SORRY TOOK SO LONG TO CLOSE-WAS WAITING TO SEE IF IT CAME BACK	10
	2003 Chrysler PT Cruiser Touring 2.4L Misfire, MIL Lamp on VIN: 3C8FY58B13 Thanks for all the excelent replies. Everyone who said recheck the timing hit the nail on the head. Today I took the timing cover and side engine mount completely off to recheck the timing. I set the crank first then checked cam. I noticed that while turning t... Trouble codes: P0351, P2302.	18
	2001 Dodge Durango 4.7L Timing Chains Hey Everyone, Thanks for taking the time out of your busy days to try and help me. One thing I have learned, is that the one for sure way to make a bad day even worse, is drinking a Monster energy drink before starting a repair. With that said, I pull...	32
	2002 Dodge Durango Sport 4.7L Power Windows VIN: 1B4HS38N92 THANKS FOR THE WIRING INFO!I PULLED DRIVERS MASTER SWITCH OUT TO CHECK THE YELLOW WIRE TO THE PASSENGER FRONT.THERE WAS ONLY 2.24 VOLTS AT RF YELLOW ON SWITCH.A LITTLE MOVEMENT ON BOTTOM OF DRIVERS SWITCH,AND IT JUMPED UP TO 12 VOLTS AND ALL WINDOWS WORKED.CLO...	5
	2002 Dodge Ram 1500 ST 4.7L compression VIN: 1D7HA16N32 thanks for all the replies.customer was told can replace lifter and folower and see what happens.next step removing the cylinder head.due to history of this engines with the valave seat,customer was given the option of replacing engine with 3 years warranty.in...	10
	2003 Dodge Viper SRT-10 8.3L Door Lock VIN: 1B3JR65Z53 Customer was able to open the door by turning the lock cylinder under the driver's side mirror. He had to push in the door while turning the lock cylinder. He thought he was was going to break the key because it was so hard to turn! Once he started the car, th...	14
	2009 Dodge Grand Caravan SE 3.3L Starting VIN: 1D8HN44EX9 thanks for all the advise the fix on this one was to get new fobic and win module and program.started and ran fine	10
	1999 Ford F-250 Super Duty Lariat 5.4L Misfire VIN: 1FTNF21L4X Thanks to all that replied. We do not see may Fords per say but I am not that familiar with mode 6. That led me to cylinders #2&6 misfires. After checking compression and fuel pressure and injector action and vac leaks all over again It ended up being 2 bad Au...	8
	2004 Ford F-150 STX 4.6L No throttle VIN: 1FTRF14W54 Thanks for the reply's. Timothy was correct in that there is no relearn procedure required. Also it was kinda the wiring to the motor.the pin fitment in the connector was bad . The fix was replacing the pins in the connector at the motor. i never jammed anyth... Trouble codes: P2111 (Throttle stuck open), P2104 (Forces idle).	4
	2004 Infiniti FX35 3.5L MIL Lamp on VIN: JNRAS08U34 Sorry Guys I was not able to duplicate the customers problem. We used multiple scan tools launch x431, snap-on verus, even the consult machine still no codes. Dealership thinks it a computer I don't know. Just top make sure all is understood when checked with ...	5
	2002 Kia Optima SE 2.7L Moniters VIN: KNAGD12812 This car is done. Parked it at a friends house next to the fwy and followed the drive cycle consisting of warm up for 5 minutes in neutrel, 50 mph for 7 minutes 30 seconds, sit in drive for 14 minutes. o2 and evap moniters cleared in eight minutes. Thanks to ...	5
	1999 Land Rover Range Rover SE 4.0L Air Suspension VIN: SALPV1242X Sorry for the delay in updating this, I have been waiting for the customer to decide what he wants to do with this wreck. The customer bought and installed a compressor rebuild kit, which looked pretty straightforward, but it still doesn't have quite enough t...	16
	2000 Lincoln Navigator 5.4L Poor Idle Quality, Poor Fuel Economy VIN: 5LMEU27A8Y Thank you in advance to everyone's replies. The problem ended up being a lazy upstream oxygen sensor for bank 2. When I installed the new sensor, fuel trims immediately went down to under +5% both STFT & LTFT. As far as my MAF readings, I switched the setting ... Trouble codes: P1151 (Lack of HO2S-21 Switch Sensor Indicates Lean).	10
	2004 Mazda RX-8 1.3L engine Thanks to all who replied... recommended engine replacement. Interestingly enough the a/t version is $4000 and the more powerful m/t is only $1600!?!? So, after discussing the lack of options with the customer, he opted not to do the repair. just yet.	10
	2000 Mercedes-Benz S430 4.3L 4 not ready VIN: WDBNG70J3Y Thanks to everyone that responded. This vehicle has not been brought back to our shop for further testing. Will update at a later date. Thanks again.	7
	2003 Mercedes-Benz E320 3.2L oxygen sensor VIN: WDBUF65J63 at this time the i rewired the o2 sensors with new pins and connectors. There has been no leaks found and all water drains are holding up well. the due to fact multiple oxygen sensors in the past has been replaced or shorting out. the o2 sensor harness has b...	5
	2004 Mercedes-Benz S430 4.3L Poor Idle Quality, Misfire VIN: WDBNG70JX4 Its down the road and idling perfect. Mark and Rick hit the nail on the head. Egr was stuck. New Egr and its running perfect. Thanks for all the replies. I will keep all those in mind when I run into another one of these. Thanks guys. IATN is full of the smart... Trouble codes: P0500 (speed sensor), P0456 (purge control minor evap leak), P0101 (maf sensor signal and voltage).	16
	2005 Subaru Outback i 2.5L Shift interlock VIN: 4S4BP61C45 Found that everything on fuse 14 circuit was dead (turn signals, key buzzer, key illumination, shift lock). Replaced wire from fuse 14 in engine compartment fuse box to pin 1 @ BIU connector B281.	2
	1986 Toyota MR2 GT 1.6L Compressor VIN: JT2AW15C4G Thanks to all the replies. My technician is not familiar with supercharged MR2s and was looking at the sc thinking it was the compressor (because it has a clutch on it).	4
	2002 Toyota Avalon XL 3.0L MIL Lamp on VIN: 4T1BF28B32 The moral of this story ... Grounds, grounds, grounds ! As previously updated, I had located a bad ground on connector E4, pin 31 and had added a ground to rectify that. The heater circuits then began to function properly. I then got random o2 circuit codes P1... Trouble codes: P1135, P1155.	22
	2003 Toyota Camry SE 2.4L Brake Pads VIN: 4T1BE32K63 Thank You all who replied. When the vehicle came back in nothing was binding or dragging.The general opinion is the driver is riding the pedal. He does have a bad back and even has trouble walking.The rotors were slightly discolored like they had been overheat...	29
	2005 Toyota Tundra SR5 4.7L lock cylinder VIN: 5TBET34135 Thanks much to those of you that solidified my expectations. This is pretty much the nature of the beast. Larger tires may certainly add to the frequency of this concern for the customer. Grant also added a service bulletin that may be of some use for those of...	9
	2006 Volvo XC70 2.5L Starting VIN: YV4SZ59266 I have not finished this vehicle yet due to the customer has not authorized the repair. After reinstalling the new CEM and deleting the nodes on the high side CAN one at a time and hitting the update tab on Vida after unhooking each node instead of rebootin...	7

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