Automotive Technicians Technical Discussion and Fixes for Jul 12, 2013

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	Help Request	Answers
	2007 Acura MDX 3.7L Battery VIN: 2HNYD28237 This Acura has a 380 to 390ma draw and the battery goes stone dead. Read up on the HFL module and disconnected it (behind center console hvac controls). The draw goes down to 168 to 172ma. I pulled a few fuses (listed above) but no luck. I supose I could keep ...	View
	2007 Audi Q7 Premium 4.2L start button VIN: WA1BV74L07 I was digging through the Access / Start Module J518 today looking to see what my key fob signal strength looked like among other things and decided to take a peek at the coding of the module. By accident, I coded it incorrectly of course and now have a few ob...	View
	2002 BMW X5 3.0i 3.0L Fail Safe VIN: 5UXFA53522 This X5 was towed in with a dead battery. We replaced it and it was towed in the next day for erratic transmission operation. We scanned and reset the adaptives. It feels fine until it gets hot. It goes in to fail safe mode and will not accelerate. I mean like...	View
	2002 BMW 525i 2.5L MIL Lamp on VIN: WBADT43402 Hi eveybody: I work on bmws regularly. this is the first time i encounter this situation. when driving the car for a period of time either highway or city, the traction simbol apears and the message " engine failsafe mode" at the cluster display. the codes p15... Trouble codes: P1500, 76, (118)	View
	2005 BMW 325i 2.5L genaral control unit VIN: WBAEV33405 ok euro techs, i need help once again. this is a used car lot car and i really dont have a lot of equipment or knoweledge, so please bear with me. pass frt window motor works from the driver area. both rear door windows work from their own doors but not the dr...	View
	2002 Buick Century Custom 3.1L Cuts out, Stall, Misfire VIN: 2G4WS52J82 Vehicle in question came in with a surging and stalling problem at light throttle on cruise. Tech before me replaced coil. problem still there. I get vehicle and monitor scan data and find map stuck at 1.2v. monitored voltage at sensor with meter and got same ...	View
	2006 Cadillac Escalade 6.0L Hesitation VIN: 1GYEK63N46 This vehicle starts and idles ok, drives ok too. Problem occurs when you come to a stop and when you move off slowly it hesitates or there is no responce from the gas pedal for only for about 3 to 5 seconds and then it shoots off.sometimes u1000 code is in the... Trouble codes: U1000	View
	1992 Chevrolet Astro 4.3L No Start VIN: 1GCDM19Z2N I have this high milage astro van that will not start unless you unplug the injectors, crank it while giving a little throttle and plug in the injectors in right after it starts. Once running, its runs fine. It doesnt matter if it is the first start of the day... Trouble codes: 13 (45 -), 45 (41 -), 41 (43 -), 43	View
	1994 Chevrolet Corvette 5.7L No Start VIN: 1G1YY22P1R Need help bad on this one. Car quit on customer and would not restart. No cranking rpm or spark. Checked all power and grounds to pcm twice and all are good. The strange part is that the pcm supplies ignition voltage from connector b which is the black connect...	View
	2005 Chevrolet Colorado Z85 LS 3.5L abs sensor VIN: 1GCDT13645 removing front abs sensor /looks like tone ring is loose is there a fix /or replace hub	View
	2006 Chevrolet Silverado 2500 HD LT 6.6L transmission VIN: 1GCHK23D86 Sorry for this long post but problem is fairly detailed.Customer had truck parked for 6 months, when he went to start batteries were dead so he tried to boost, he says it wouldn't boost so he tried to boost and start with remote start , tried to crank then sto...	View
	2008 Chevrolet Impala LT 3.5L Acutator VIN: 2G1WT58N88 Car came in with a knocking sound behind the glovbox after you shut the car off. Suspected actuator - scanned HVAC module and found codes b0223 and b0408 recirculation and left temperature actuator circuit - unplugged recirculation actuator and noise stops - c...	View
	1997 Chrysler Sebring LXi 2.5L starting, VIN: 4C3AU52NXV car has been towed into shop couple times.the igniton fuse the 30amp under hood blows on occassion while driving down road. sometimes it will take 4 or 5 days the others it will pop in 5 min ive search for broken or naked wires and cant seem to find none just ...	View
	1999 Dodge Intrepid 3.2L No Start VIN: 2B3HD56J4X I have a question for the chrysler techs out there. This car came in as a no start. Customer parked the car 2+ years ago and got hurt and could not drive. She is now able to drive but the car won't start. One of the other techs worked on it for a few days unti...	View
	2004 Dodge Ram 1500 ST 5.7L convertor VIN: 1D7HU18D54 all seems norm. but trans. at 48-50 MPH with slight load cycles 250 RPM at 1/2 to 1 sec. intervals and other times 500 RPM at 1 to 2 sec. intervals. Snap-on scanner shows convertor full lock & 5th gear. Does not seem to be commanding convertor off?? No codes a...	View
	2009 Dodge Charger SE 2.7L timing chain VIN: 2B3KA43DX9 I have aligned the timing chain to the best of my ability but p0016 comes back , vehicle has no power. engine vacuum is at 16 inch , Any Tips for timing alignment.	View
	2002 Ford Ranger Edge 3.0L Poor Idle Quality, Cuts out VIN: 1FTYR10U72 Hi guys thanks in advance for any help on this one. This truck came in with a complaint that it dies when it pulls up to stop lights. I have not been able to verify this on two test drives. I have had it die for me twice right when I start it up. if i give it ...	View
	2008 Ford F-150 XL 4.6L Light on all the time VIN: 1FTRX12W18 Just like some information before I take everything out of the cab of this truck looking for a shorted wire. As stated air bag light on solid, no communication with air bag module, found fuse #19 blown. Replaced fuse and it blows right away. Wiring diagram sho...	View
	2005 Jaguar S-Type Sport 4.2L Poor Fuel Economy, MIL Lamp on VIN: SAJWA01U05 I have this Jag sent to me from another shop, they got it from the customer who had a horror story about another shop working on it, so I am shop #3. Vehicle has the MIL on, codes p1260-theft detected-p1582-flight recorder data stored-p0297-post converter fuel... Trouble codes: P0191 (Fuel rail pressure sensor a circuit), P0299 (Post converter fuel trim rich-b2), P0297 (Post converter fuel trim rich-b1), P1260 (Theft detected), P1582 (Flight recorder data stored)	View
	1999 Jeep Grand Cherokee Limited 4.7L No Start VIN: 1J4GW68N7X Chrysler guys, help!. Have this 99 Grand Cherokee towed in died while driving. Cranks with no start. No fuel pressure, no inj pulse no spark. ASD relay not being grounded by PCM. Change crank sensor just because its common and easy, no change. I CAN comunicate...	View
	2003 Jeep Grand Cherokee Limited 4.7L oil pressure gauge VIN: 1J4GX58N23 thanks in advance for any help!!! this vehicle was driven about 50 miles from auction to our shop with zero oil pressure shown on gauge. check engine light on, oil pressure circuit code P0523 oil pressure circuit high. no noise in engine. checked wire to senso...	View
	2007 Jeep Compass 2.4L MIL Lamp on VIN: 1J8FF47W37 Vehicle came in with a p0391 1/2 slow response looked at data stream seem to look o.k. Replaced o2 sensor with one from Chrysler and sent it on its way. 4 weeks later customer came in and said my light came one last night hooked up and has same code P0391. Onc... Trouble codes: P0391	View
	2006 Kia Optima LX 2.7L No Start VIN: KNAGD128X6 Thank you all for your time. Hopefully some kia techs have run into this.Customer complaint is no or hard start after fueling veh once started it runs and starts fine I went with her she put 40 bucks in and did not top off. I verified 2 times (she brought it b...	View
	2008 Kia Sorento LX 3.3L engine VIN: KNDJC73518 I know oil pressure by spec should be 18-20psi at ide ..am i correct here...If to high what could be the problem here ( oil pump pressure relief stuck?) and do you think this the problem with the P0016 code? thanks inadvance for looking and your help...	View
	2004 Lexus RX330 3.3L transmission VIN: JTJGA31U04 this is a car lot car. Owner states under light acceleration has a high pitched growl or whine from left front. Test drove confirmed problem only has noise under light acceleration. Is this in transmission or diff is a car lot so cost is big factor. Thanks in ...	View
	1999 Lincoln Continental 4.6L No Start VIN: 1LNHM97VXX hey guys I need some help on this 99 continental. looks like I am having a PATS problem. car randomly goes into a no start. when its in a no start the anti theft light constantly flashes and battery keeps dying over night too. I put an amp meter on the battery...	View
	2003 Mercedes-Benz S500 4Matic 5.0L Charging VIN: WDBNG84J53 We have a 2003 MB S500 in shop that has changing electrical issues. Brake lights were staying on with key off, blower fan was not working. Changed battery for voltage drop test across fuses. Brake lights stayed off after this, but license plate lights won't go...	View
	1996 Mercury Grand Marquis GS 4.6L No Start VIN: 2MELM74W7T Sometimes no start and sometimes runs 10 mile and dies and no start. Let set a while and starts and runs good maybe all day. Changed crank sensor and MAF sensor. Run that day and next day started and died after 5 minutes. Got it to start one more time. No code...	View
	2007 Mini Cooper 1.6L Poor Idle Quality, Misfire VIN: WMWMF33537 Hello all this mini cooper N12B16A has a misfire on number 2 and when removing spark plug cylinder #2 has oil in spark plug and insidecylinder this happens only after vehicle has driven about 30 min and misfire shows, I swap spark plug and coil still misfire r... Trouble codes: P0302	View
	2003 Oldsmobile Bravada 4.2L Hesitation, MIL Lamp on, Power Loss VIN: 1GHDT13S13 Vehicle has an intermittent "power loss" light & service engine soon light coming on. May occur on initial start up in morning after placed into reverse to back out of garage or may occur while driving at hwy speeds at part throttle, decel or steady throttle p... Trouble codes: P1271 (App1 correlation error), P1280 (App1/2 correlation error)	View
	2002 Porsche 911 GT2 3.6L Valve Lift VIN: WP0AA29932 Hello Porsche Techs, We have a misfire issue and a code P1361 for Valve lift control cylinder # 2 intermittent. The engine has good compression and excellent leak down percentages. We know that the valve lifters can have issues and cause these codes. I'd like ...	View
	2005 Subaru Impreza WRX 2.0L alarm VIN: JF1GD29665 I need to know if anyone knows how to disable the alarm system on this Subaru. The customer has lost the remote and would just like to disable the alarm. The alarm resets when the door is locked.	View
	1996 Toyota Tacoma DLX 2.4L No Start VIN: 4TANL42N6T Truck came in with hard/no start when hot soak, checked systems everything checked out. Replaced coolant sensor no help. Checked fuel pressure about 7 psi high, replaced regulator and fuel pressure is normal still hard start. running out of ideas. Thanks	View
	2005 Volvo XC90 2.5T 2.5L assist VIN: YV1CZ59275 brake assist warning message is on.had a bad vacuum pump,replaced pump.new pump runs when needed normal operation,warning message still there I can't find the code in any module.it does have a rt rr abs sensor with a broken harness but customer doesn't want to...	View

Fixes & Summaries for All Makes and Models

	Fix/Summary	Answers
	1996 Acura TL 3.2L cooling system VIN: JH4UA3650T This one really gave me a headache, I replaced the Waterpump, thermostat and radiator, bleed the coolant system many times, finally i tried an old trick a relative suggested, i hooked a garden hose to the upper radiator hose to the the block intake, disconnect...	29
	1999 Audi A6 Quattro 2.8L Charging VIN: WAUDA24B3X Thanks to all who replied; job done, I didn't beat the time on this one but will in the future. Kinda like r&r'ing a flexplate; install long bolts, slide it back, do your work, reinstall. Audi's were and always will be time consuming vehicle to service. [...].	17
	1983 BMW 528e 2.7L cruise control VIN: WBADK7304D I emailed Programa and they said to send the cluster in for repair, which I did. I won't receive it back before the time allowed for a help request so I will close this for now and let you know how it comes out later. Thanks for the help.	9
	2007 Buick Terraza CXL 3.9L steerin pump & alternator VIN: 5GADV33167 The little Buick is doing better but there has not been heavy rains lately so maybe she was driving through a little too high of water. Thanks for the help! David Lee	11
	2008 Buick Enclave CXL 3.6L liftgate VIN: 5GAER23798 big miscommunication. I thought we were having cluster rebuilt. we bought a new one that needs to be programmed. waiting to send cluster out. our local computer guy cant program the cluster. will add more info when that is done. thanks to all who replied.	5
	2006 Cadillac CTS V 6.0L Unknown VIN: 1G6DX67D16 I will close this for now- i drove car for around 75 miles and even let it run for 3 hours once before driveing, Never got it to act up. Thnaks for the help guys but seems the intermittent car wins again. God Bless.	5
	1998 Chevrolet Malibu LS 3.1L Dash Lights VIN: 1G1NE52M2W Hi guys, Thanks to all that asked about aftermarket radio. That was the problem. There was a wire that was shorting to metal.	7
	2000 Chevrolet Express 1500 5.7L air conditio VIN: 1GBFG15R4Y Sorry for the delay but I was on vacation last week. We did repair a vacuum leak at the hose on the engine, rechecked the amount of Freon & since the rear air is aftermarket their sticker does say to use 4 lbs 8 oz, did let some Freon out because pressures wer...	28
	2009 Chevrolet C5500 Kodiak C5C042 6.6L MIL Lamp on VIN: 1GBE5V1999 First thanks to all who took the time to reply. I have had this bus back in to replace fan clutch and batteries. I have checked the ground connections and cleaned them. I guess I really don't understand what the scan data voltage pid should be(my guess is batt... Trouble codes: P154B.	4
	1992 Ford Mustang LX 2.3L Ignition VIN: 1FACP40M2N I noticed while I was checking the ignition switch with the starter disconnected, that the fuel pump stopped running when in start. I found that the pump relay had bad contacts internally so it lost power while cranking. New relay installed now it starts ri...	20
	2003 Ford Mustang GT 4.6L oil gauge VIN: 1FAFP42X33 after verifying good actual pressure several times, recommended to install a mechanical gauge. customer likes Idea, just need to find one to fit into stock location	10
	2004 Ford F-250 Super Duty XL 6.0L No Start VIN: 1FTNW21P14 Finally got to the bottom of this issue. We were able to get a code (P2552 throttle fuel inhibit circuit) when the engine stalled. We found a bad main engine harness, and replaced it,and the injector harness. once we had done this the replacement ficm worked p...	9
	2005 Ford Escape XLT 3.0L no communication VIN: 1FMYU03165 Well didn't get a chance to finish this one. I did unplug the cluster and pcm with no change.The cust decided to take it to the dealer.	4
	2007 GMC Sierra 1500 Classic SL 4.8L Hesitation, Cuts out, Stall VIN: 2GTEC13VX7 Thank you to everyone that replied to this post. The customer picked up the vehicle to use over the holiday weekend and I have not heard from him. I was unable to solve his issue before he picked it up. If and when he returns I will repost this message and ...	9
	1999 Isuzu NPR-HD 5.7L Starting i found a burt wire at the ignition switch conector, thanks for the help.	4
	2002 Lincoln Blackwood 5.4L Tonneau Cover Module VIN: 5LTEW05A52 Customer didn't want to do further diagnostics/repair the current problem. Thank you guys for the assistance tho.	3
	1993 Mercedes-Benz 300CE 3.2L compressor clutch VIN: WDBEA66E9P Thanks to all you guys for educating me on how this system works and the problems associated with the rpm sensor and compressor replacement. Steve and Alain nailed it. It was the pressure switch on the receiver dryer. Grounding the signal at the switch cause...	10
	2002 Mercury Mountaineer 4.0L Abs Module VIN: 4M2ZU66E62 actually replaced the whole left front wheel bearing assembly with the wheel speed sensor already in it. the sensors and bearings are precision matched when built and just replacing the bad sensor was causing the problem the whole time.	7
	2003 Mini Cooper S 1.6L Cluster VIN: WMWRE33493 found the body module on lower right front had been submerged, cust not wanting to spend the 500+ for a new one and looking for a used one so have not been able to complete repair yet, but confident this should resolve his concern. thanks for all the input!	6
	2000 Nissan Sentra GXE 1.8L MIL Lamp on VIN: 3N1CB51D0Y TEXAS HIT IT THE CAT HAS BEEN AN ISSUE FOR A WHILE ON AND OFF NEVER COULD GET IT TO DIE WHILE DRIVING DROVE IT OVER 200 MILES CEL SHUT OFF ON ITS OWN CUST WORKS ON THIS CAR HER SELF AND REFUSES TO BUY THE CATSEVERY THING SPECED OUT AND I NEVER BROUGHT UP PRIOR... Trouble codes: P0340 (camshaft position sensor A circuit).	8
	2003 Nissan Murano SE 3.5L Right Axle Seal VIN: JN8AZ08W63 Thanks for everybody’s help on this issue. After replacing the right axle seal 4 times and still having a leak I looked at a parts explosion from Nissan and found that there are two seals that sit inside of the ring gear hub. I removed the ring gear chunk and ...	9
	2005 Nissan Maxima SL 3.5L Engine VIN: 1N4BA41E85 Thanks for all of the responses to this post! The vehicle had the problem specified but of course once we had it it wouldn't do it. So after having the vehicle here for a couple of days and not getting it to act up or in our preliminary testing couldn't find a...	10
	2005 Nissan Frontier LE 4.0L Transmission VIN: 1N6AD07U45 Thanks for the help fellas, the problem was the TCM in the valve body local rebulider overhauled the unit and all good!	2
	1998 Oldsmobile Intrigue GL 3.8L A/C controls VIN: 1G3WS52K8W Thanks everybody, The control panel is the problem, we check the ohms on the left side, then on the right while changing the temp and the right side did not move. Dealer said part is no longer available. Trying to locate a used one now. Kenny [...]	13
	1998 Saab 900 SE Turbo 2.0L Torque conv. Clutch VIN: YS3DF58N9W Anders from California hit the nail right on the head!! It was the Ignition Cassette (Coil Pack) that was causing the problem. The web link that Anders included provided excellent detail about how the aftermarket Ignition Cassette can cause this problem, due ...	11
	1999 Volkswagen Jetta GL 2.0L blown fuse VIN: 3VWRA29M1X Customer did not want to spend any more money on this car so we put a 30 amp breaker fuse in & car has been doing OK. Thanks for the help! David Lee	8
	2008 Volkswagen Eos VR6 3.2L MIL Lamp on VIN: WVWDB71F28 Thanks for the help. PCV/breather is part of the valve cover. dealer has them in stock. once valve cover is removed there are 5 screws inside the cover that hold the PCV/breather. apparently not sold separately. Trouble codes: P0171 (02 B1 Lean), P0174 (02 B2 Lean).	7
	1998 Volvo V90 2.9L Hesitation VIN: YV1KW9602W Well, thanks to everyone. Boyd from Texas put me on the right track. I plugged the canister purge valve and gave it back to the customer to drive. He reported after three weeks of driving, no hesitation. So, we have an appointment to check all parts of this s... Trouble codes: 440 (Evaporative system not working correctly).	8
	2001 Volvo S60 2.4T 2.4L Mechanical VIN: YV1RS58DX1 Thanks for the input. My friend in California recently retired and had the tools. He was nice enough to ship them to me. The head was not warped we just did the gasket and it came out perfect. The torx bolts I was concerned about did not need to be removed. We...	12
	2007 Volvo XC90 3.2 3.2L Mechanical VIN: YV4CZ98277 trans is back in, torque convertor problem is fixed, have solenouid code and prndl switch code and check internal wiring and ohm test solenoid, suspect bad tcm have used on coming but will not arrive before posting will close automaticly. this ones got me the ...	7

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