Automotive Technicians Technical Discussion and Fixes for Nov 15, 2012

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	Help Request	Answers
	2012 Audi A7 Quattro 3.0L Instrument Cluster reset VIN: WAUFFAFL1C Looking to perform reset procedure for oil Maint Lamp, Vehicle is actually 2012 Audi A4, 2.0T but IATN's wonderful VIN entry won't decipher properly. I have 2011 software to perform reset through MODIS but "reminder lamp" still illuminates. Ive tried setting a...	View
	2006 Buick Rendezvous CXL 3.5L Fuel Guage VIN: 3G5DA03L06 We have this Rendezvous that has issues with an erratic fuel guage. When it first came in it was all over the place. It was diagnosed as a bad fuel level sender. We replaced and it was better but still moved around. We reprogrammed the pcm for the erratic fuel...	View
	2008 Cadillac DTS 4.6L MIL Lamp on VIN: 1G6KD57948 This appears to be a just a case of the pressure sensor zero point not being set. This is a foreign car to me as we repair mostly BMW, MB and Porsche. Can anyone tell me how to program the zero point as the live data is fo .21 with the purge line disconnected ... Trouble codes: P0454	View
	1999 Chevrolet Tahoe LS 5.7L 1-2solenoidvoltage VIN: 1GNEK13R7X setting po753,checked ingition switch good,checked 12v at solenoid good checked wire that controls solenoid good.computer is grounding when unplugged from trans.suspect computer???	View
	2002 Chevrolet Avalanche 1500 5.3L Instrument Cluster VIN: 3GNEK13T82 This truck came in with a cluster problem . We checked power and ground at the cluster and both were there so we tried a used cluster[was told that this vechicle didnt need to be flashed as it was too old] this cluster did the same thing. If i plug the scanner...	View
	2004 Chevrolet C5500 Kodiak C5C042 6.6L limp mode VIN: 1GBE5C1114 hello to all members and hope all is well with everyone,got this c5500 that goes into limp mode right before 5th gear,the speedo dont work, so with the tech 2 hooked up and watching the speed sensor im doing 80 mph right before 5th gear so it governs it down,i...	View
	2004 Chevrolet Silverado 2500 HD 6.6L No Start VIN: 1GCHK29204 Hello everyone and thanks for reading. Im in over my head here because a buddy that talked me into working on his duramax. I have a 04 Duramax that the customer drove in for a no start issue. He can start it by using starting fluid. Rail pressure mirrored the ...	View
	2005 Chevrolet Aveo LS 1.6L Airbag Light VIN: KL1TD52665 I need to know how to reset airbag light on this model without using a scanner as I have completed the vehicle repairs but cannot read the codes or reset the airbag module. I went through this in 2008 with a 2005 Suzuki Aerio and there is a data connector that...	View
	2007 Chevrolet Express 3500 6.0L rear heater/ac VIN: 1GAHG39U97 I am the third person to work on this van. I will do my best to explain the problems as i understand them. The rear actuator was a partial fix. After it was installed there was still no control of heat or a/c at the rear. You could change to heat or a/c by mov...	View
	2007 Chevrolet Silverado 3500 Classic LS 6.6L Poor Idle Quality, Knock VIN: 1GCJK33D97 Hello all, need help with this diesel today. As stated above we changed the oil and filter along with a fuel filter yesterday and this morning the customer came in complaining about this problem and of course It was fine until it was brought here. I have what ...	View
	2008 Chevrolet Silverado 1500 LT 5.3L Radio VIN: 2GCEK13398 This one has me stumped so some idea would be great. Visit # 1 Volt gage was going from 16v down to 10v and radio was reseting time or shuting down by itself. Found a bad Alt. and replced it. 2 weeks later custome returned complant was that volt gage still goi...	View
	2009 Chevrolet Traverse LS 3.6L MIL Lamp on VIN: 1GNER13D59 Engine runs strong on acceleration, O2s go rich on VE run and truck pulls hard, VE results 93.668%, but this a variable cam engine so not sure if it's a good number. Scanner data indicated 100% on VE run. Code sets according to GM when ECM detects the MAF sens... Trouble codes: P0101, P2177 (Fuel trim lean bank 1 on cruise or accel), P2179 (Fuel trim lean bank 2 on cruise or accel)	View
	1999 Chrysler Sebring JX 2.5L Misfire, MIL Lamp on VIN: 3C3EL45H4X This car has had an engine and transmission replaced 2 years ago ( jasper reman on both and not cheap). Customer was complaining of trans " not acting right" and check engine lamp flashing then on. Trans was in limp in due to p0725 ( crank sensor input to tcm)... Trouble codes: P0725 (Transmission- engine speed sensor error), P0300 (Engine- multiple misfire)	View
	2000 Chrysler Concorde LX 2.7L cooling VIN: 2C3HD46R5Y Car got towed because she overheated it until it quit. Had a bad head gasket and water pump bearing failed 2.7L. Replaced water pump and all tensioners with upgraded from dealer. machined heads and all new gaskets. Car still overheats when driving it and rad...	View
	2000 Chrysler Sebring JX 2.5L No Start, Stall VIN: 3C3EL45H0Y Thanks in advance for any help. I have a bit of a head scratcher here. Customer states that the car died while driving and would not restart. The car cranks, shows approx 160 rpm when cranking, has injection pulse on scanner, shows cam and crank sensor signals...	View
	1998 Dodge Grand Caravan 3.3L Remote Access Module Customer submitted the vehicle to have a replacement Key-less Entry Remote programed for this vehicle since her dog destroyed the only one that she had. Initially we tried to program a new remote with a DRBIII but had no success. At one point we disconnected t...	View
	2000 Dodge Ram 2500 5.9L MIL Lamp on, tach drops out VIN: 1B7KC2369Y Ok guys, very rare any of you will see a help request from me,but this Dodge is wearing me out. Any time it is running and the RPM gets over about 1800 the tach drops to zero and the check engine light comes on immediately.Another tech here has done the repair... Trouble codes: P0336	View
	2002 Dodge Intrepid SE 2.7L Drive-axles test driving vehicle shows thumping sound from front end. directly in proportion to vehicle speed...not engine speed. accelerating or decel has little effect. turn left and the thump is louder. turn right and its gone. acts like a wheel bearing, but certainly ...	View
	2006 Dodge Charger R/T 5.7L drivetrain engine VIN: 2B3LA53H46 ok folks i just bought a 06 charger rt daytona edition. engine blew the day i got it. they replaced the engine with one that has all the updates to the timing chain, valve seals. it runs great but,it wants to go to 4 cylinder mode at low rpms even at low speed...	View
	2006 Dodge Grand Caravan SXT 3.8L navigation system VIN: 2D4GP44L56 This is the small screen Nav used in chrysler mini vans, works intermittently,when problem occurs; LCD screen goes blank, only volume control works, all other buttons (AM/FM,tuning,nav), have no effect...is this repairable?	View
	2007 Dodge Charger SXT 3.5L Extended crank VIN: 2B3LA43G47 I have a problem child. Car will have extended crank time cold, and sometimes after hoty soak. Fuel pressure is 53 to 57 psi. Have checked bleedown three times and each time lost no more than 8 to 10 psi. Timing has been checked twice, and cam sensor replaced....	View
	1999 Ford Escort ZX2 Hot Coupe 2.0L No Start VIN: 3FAKP1135X We swapped out the timing belt on this little Ford three weeks ago. My son took it back to college, but something went wrong, and the belt came off. I enlisted help from a shop where he goes to school--350 miles away--to replace the motor, and clutch while the...	View
	2000 Ford Ranger XL 2.5L engine VIN: 1FTYR14C7Y Replaced thormostat twice, then replaced housing with Motorcraft. Wants to run 120 degrees farenheit. Removed fan to allow temperature raise enough to push any remaining air to resevoir. Still runs cold driving on highway. Backflushed core, has heat if and whe...	View
	2004 Ford F-150 Lariat 5.4L Heat VIN: 1FTPX12534 Truck came in complaint of intermittent no heat from the vents. This hvac has fully automatic dual temperature control. We've never been able to experience the customers complaint of no heat from the vents. Was wondering if the systems have any specific proble...	View
	2004 Ford Mustang 3.8L Poor Idle Quality, Surge, Stall, MIL Lamp on VIN: 1FAFP40414 This car came in with a surging idle and intermittently stalled at idle. I have checked the maf sensor seems to be good. the egr is closed at idle and dosent seem to be sticking open. I have smoked tested several times both cold and hot found no leaks. Checked... Trouble codes: P0171, P0174	View
	2004 Ford Freestar SE 3.9L Hesitation, Misfire, MIL Lamp on VIN: 2FMZA51654 This van has me stumped. About two to three years ago a new cam sensor was installed, and tune up was performed. About 8 months ago the SES cam on with a cam sensor code. Replaced the sensor and syncro with a new NAPA part. Then after I replaced the sensor the... Trouble codes: P1336 (Cmp / ckp), P0300 (p0301-), P0301 (p0305-), P0305	View
	2005 Ford Crown Victoria 4.6L MIL Lamp on VIN: 2FAFP71W95 Came in check engine light on, hook up IDS for codes,.P0443 I have never seen this code in any of my crown vic fleet.Visual obviously because they have bottom out damaging canister and things. All OK,...With IDS run EVAP test everything is good until it wants ... Trouble codes: P0443 (Canister Purve Valve Circuit)	View
	2006 Ford Escape Hybrid 2.3L abs pump motor VIN: 1FMYU96H36 Vehicle was towed in for dead battery. Charged battery..would not pass load test. O.E. battery 6-7yrs old. Replaced battery. While doing visual check..with old battery still in vehicle..after charging..noticed that ABS pump cycled on for a few seconds. Thought...	View
	2001 GMC Sierra 2500 HD SL 8.1L trans VIN: 1GTHK23G41 transmission has been scanned with a tech 2 for codes and relearn and had a update done at the dealer.when you drop it in gear it a bang.when it shifts it will hit hard but on time.3rd and 4th not bad.downshifts also hits hard coming down.atsg says line pressu...	View
	2003 GMC Envoy XL SLE 4.2L No Start VIN: 1GKET16S93 Good Morning. This envoy VERY intermittently will not start and sets the four codes above afterwards. Never have I experienced the symptom or these codes while in our possesion. Anyone know of a common link that triggers this combination and symptom. Many tha... Trouble codes: U1000 (class 2 data malfuction), B2955 (Security system daya ckt), B2960 (Security System sensor incorrect but valid), B2961 (Key in ignition malfunction)	View
	2011 GMC Savana 2500 4.8L steering VIN: 1GTW7GCA3B Hi every one.Hope you can help,I had this truck came in whit (the driver described) a vibration in the steering when applying the brakes at hi speed over 80 kms hr.Same complains before from this company on same trucks,because they load-up this trucks to the m...	View
	2000 Honda Civic DX 1.6L temp VIN: 2HGEJ6616Y new engine new stat new coolant no air in system new coolant sensor new fan switch and the temp is reading 223 to 230 under any condition this one has me puzzled!!!	View
	2001 Honda Accord EX 2.3L hvac box VIN: 1HGCG325X1 Hey guys I've got this accord and it has four vents for air flow. when selecting the floor position the air will be blocked from the middle two vents, but not the side vents. the side vents do have the ability to manually block them. This vehicle had a no heat...	View
	2004 Hyundai Sonata 2.4L engine VIN: KMHWF25S94 Balance shaft belt broke, and please read entire post. Belt got caught up between CAS and tone ring, both toast. Main belt was damaged, but did NOT jump. I did note that on removal of main belt, the exhaust side balance shaft spun away from it's mark, so not l...	View
	1989 Jaguar XJS 5.3L Excessive Emissions, No Start, Poor Idle Quality, Poor Fuel Economy VIN: SAJNV4844K This car came to us as a no start. Another shop put in champion plugs and wire and it started for them and flooded it's self out. He pointed out 2 vac hoses off. one of them hooks up under left manifold runner and ends up by the distributor and other lays in t...	View
	1998 Jeep Grand Cherokee 5.9 Limited 5.9L Driveline VIN: 1J4GZ88Z0W This vehicle came to us with the complaint of a severe vibration starting at 60mph, worse at 65mph and diminishing at 70mph. Vehicle was purchased out of state. Initial inspection revealed that the tires were the wrong size and load range E. Replaced with a P-...	View
	2005 Jeep Grand Cherokee Laredo 3.7L no crank VIN: 1J8GR48KX5 first thanks for reading my post this jeep has a no crank conditon at times been to 2 dealerships has new starter they kept it 2 weeks each been at my shop for 2 weeks now cranks and starts evertime no codes no theft light i no this is a long shot but cust is ...	View
	2008 Land Rover LR2 SE 3.2L torque specs VIN: SALFP24N48 Good morning gentlemen, looking for some torque specs for the cylinder head bolts on this'08 LR2 straight six. On demand doesn't have any info and the Dealer here in baja don't like to give any info away... Also need to find out if the head bolts can be reused...	View
	2000 Mazda Miata 1.8L Misfire, MIL Lamp on VIN: JM1NB3534Y I have removed the egr and cleaned out the passage. Than repaced the egr valve. We replace the pcm when all else has failed to correct the problem. Trouble codes: P0402, P0300	View
	1999 Mercedes-Benz E320 4Matic 3.2L headlights VIN: WDBJF82H9X need help,old mercedes headlights,and all exterior lights don`t turn off after key is removed.the only different piece of equipment is an aftermarket radio.i have replaced the illumination/headlight module,still have lights on.somedata`s wirng diagrams are inc...	View
	1999 Mercedes-Benz SL500 5.0L No Start VIN: WDBFA68F3X Hi guys I have this mercedes that's giving me fits. The car came in for a no start/ no crank issue. It was wrecked in the right rear where the locking module is located so I checked that first and it had gotten wet and corroded so we replaced that. After getti...	View
	1995 Nissan Maxima GLE 3.0L No Start, flooding VIN: JN1CA21D4S We tried desperatly to retreive codes with scanner and manually with dial on side of ecm. nothing. We went through and verified fuel pulse but no spark. diagnosis led to failed crank sensor. We also because of the overfueling replaced the coolant sensor. Now w...	View
	2000 Nissan Maxima GLE 3.0L code P1320 VIN: JN1CA31D0Y needing alittle guidence on this,,code p1320 primary ing, will not clear,,,thanks in advance for any insight,,,	View
	2004 Nissan Maxima SL 3.5L MIL Lamp on VIN: 1N4BA41E94 This Maxima was making a rattling sound when starting and was going into limp mode with code p0340 (camshaft position sensor circiut open). We replaced B1 cam sensor and timing chain and guides and tensioners(guides were broke in pieces). Now it starts and run... Trouble codes: P1110, P0011	View
	2005 Nissan Frontier LE 4.0L Mechanical VIN: 1N6AD07U25 hey friends having trouble with the rear differential with electronic lock up. the lock up will occur as soon as the rear wheels start rotating. have removed the rear cover and can activate the solenoid for the lock up. can visually see the solenoid move the p...	View
	2005 Nissan Altima SE-R 3.5L no start VIN: 1N4BL11D65 this car came in via tow truck customer stated it quite going down road another shop scaned it said it needed cam sensors didnt fix it when i got it no codes good fuel preasure has injector pulse no fire we ohm the crank sensor appeared bad here is the odd par...	View
	2006 Nissan Altima S 2.5L Misfire VIN: 1N4AL11D06 This car runs fine under light load and at idle but when you accelerate under a moderate load and then come back to idle #2 cylinder misses for about 3-8 seconds and then smooths back out to a nice idle. The car does not miss while under load, only after comin... Trouble codes: P0302 (2 Cylinder Misfire)	View
	1978 Triumph Spitfire 1.5L head gasket Students rebuilding 1978 triumph 1500 cc engine with the recessed cylinders. I make them leak test all engines after head is bolted down to check for broken rings valves not seating etc. All cylinders had 80% leak and air comes out of adjacent cylinders, valve...	View
	2002 Volkswagen Passat GLX 2.8L heating VIN: WVWRH63B22 Car came in for no heat.Checked over thinking flow problem because took off heater hoses and had no flow at idle.Gave some gas and got some flow.Thinking restriction or tstat .Replaced thermostat and water pump and flushed out block.Used flushing agent and flu...	View
	2006 Volkswagen Passat 3.6 3.6L code poo16 timing VIN: WVWEU93C96 thank you in advance for your help. mil on code p0016 epc light on car has no power (limp mode) there is tsb # 01 08 03 on same issue i am trying to prove its out of time the cam is within spec (+/- 5 degree of 0) is @ -4 , -1 cam adjusters have proper resista...	View

Fixes & Summaries for All Makes and Models

	Fix/Summary	Answers
	1992 Buick Century Custom 3.3L Poor Idle Quality, Cuts out, Stall thank you everyone for your time! this vehicle is fixed. I came to work monday and had 1 delco reman pcm and 2 reman injectors. once installed, vehicle never missed a beat. idle was steady without surges or flair ups. no stumbles or stalls. fuel trims always w...	21
	2005 Cadillac STS 4.6L right side valve cover VIN: 1G6DC67A95 Pulled right side cover again and found no broken springs, chains tight, dealer stocked lifters so took that as a sign that it was worth trying, replaced right side lifters and engine quiet now, did not suspect chain due to noise was from rear of valve cover a...	2
	2004 Chevrolet Classic 2.2L Remote Keyless Entry Thanks for the replies. Now I know where the module hides. The customer is content to do without the fobs for now. I explained that I'd warranty the BCM if that's what it took, but the system [...] be dealer installed and suggested they contact a GM dealer who m...	3
	2002 Chrysler Town & Country Limited 3.8L Low Output Temp VIN: 2C8GP64L32 WELL,I REMOVED HOSES FROM CORE ANF FLUSHED IT ONCE MORE.THE DUCT TEMP INCREASED FOR THE TIME BEING,BUT I HAVE A FEELING ITS GOING TO RESTRICT AGAIN.I THINK EVENTUALLY IT WILL NEED TO GET THE CORE REPLACED.THANKS FOR ALL YOUR SUGGESTIONS AND HELP.	9
	2003 Dodge Sprinter 2500 2.7L No Start, Stall VIN: WD2YD64223 Thanks to all who replied. Special thanks to Dennis. Replaced #1 injector. Repaired terminals on all injectors. Vehicle has been down the road for 5 days, all seems well. Trouble codes: P2010, P1481.	4
	2004 Dodge Ram 1500 ST 5.7L No Start, Poor Idle Quality, Stall VIN: 1D7HU18D64 thanks four the eight replies, cleaned throttle body, and road tested several times, did perform re-learn on tb. thks iatn.	8
	2004 Dodge Ram 2500 ST 5.9L No Start, Cuts out, Stall VIN: 3D7KU28C34 I have repaired this vehicle by replacing the fuel pump located on the fuel filter.I chased my tail by using the wiring schematic that says the lift pump is located in the fuel tank.There are wires for it but its not in the tank.The power feed wire stops at t... Trouble codes: P0628.	9
	2008 Dodge Charger R/T 5.7L Surge, Stall, Misfire, MIL Lamp on VIN: 2B3KA43H48 Well we finally figured it out, special thanks to jeff,jack,gilbert,richard and jim. The more we worked on the car we got a new code for p0307. We also starting noticing that every time the asd relay would click the car would misfire and we watched the ground... Trouble codes: P3449, P3441, P3425, P3401, P0688.	6
	1993 Ford F-250 XL 7.3L Abs VIN: 1FTHX26M0P Thanks for the replays to my help request. Just us I suspected the RABS module was defective, I was able to find that the module does a self check during ignition to both solenoids, in this case there was no self test going on this module. Got a used module an...	2
	1998 Ford Expedition Eddie Bauer 4.6L MIL Lamp on VIN: 1FMRU18W5W THE VEHICLE IS HAPPY AND BACK WITH THE OWNER AFTER PASSING ITS STATE INSPECTION RETEST.EVEN THOUGH THE PCV HOSE ON THE BACK OF THE MANIFOLD WAS A VERY OBVIOUS INTAKE LEAK,IT STILL KEPT SETTING LEAN CODES FOR BOTH BANKS.AFTER CLEANING THE HOT WIRE FOR THE MAF,... Trouble codes: P0171 (System lean bank 1), P0174 (System lean bank 2).	38
	2001 Ford Expedition XLT 4.6L Misfire VIN: 1FMRU16W61 thanks for all the help , we checked all that we were told to check from bad cat, low compression, leaking intake, but they all were fine, still has left bank cylinders misfire after it runs for about 15 minutes, car is customer third car so we are using as a ...	33
	2001 Ford F-150 King Ranch 5.4L Poor Idle Quality VIN: 1FTRW08L31 Thanks again for all the help!! Did a kam reset and test drove for a few days and the baro slowly returned to normal along with the fuel trims. Never found any vac leaks or exhaust restrictions at be the culprit for the fuel trim issue.	16
	1994 Mazda Miata 1.8L loss of power VIN: JM1NA353XR Thanks to everyone who took the time to respond. I havent fixed it yet and it is driving me crazy. I wanted to post another update but cant so here it goes. I have tested all sensors with my Snap On Modis and they are all working good while it is running bad. ...	26
	2003 Mazda Protege5 2.0L Engine Idle VIN: JM1BJ245X3 Thanks for the information provided. This vehicle appears to have an internal issue with the air control valves located inside of the intake manifold. We are still attempting to determine exactly what is causing the flare in the idle speed and the constant flu...	3
	2005 Mini Cooper S 1.6L brake lights VIN: WMWRE33465 The BCM was at fault.Replacing it cured the no brake lights and the Dealer programmed it.My only complaint is that the dealer programmed the BCM but did not program the remote entry.They say they need both keys to program it and it would cost an additional 18...	8
	1997 Nissan Altima GLE 2.4L MIL Lamp on VIN: 1N4BU31D6V thank you to all ATN members all of you were right the fuel trim was off and by replacing the front o2 sensor vehicle was able to pass emissions.thank you again Trouble codes: P0171.	11
	2006 Nissan Xterra X 4.0L Starter VIN: 5N1AN08U46 Information was scarce. The IPDM never gave a relay ground, and the TCM voltage to the relay was intermittent. It seems the dealer is throwing a bunch of parts st these to fix them. I recommended the IPDM and trans module, but exceeding 150k miles could lead t...	5
	1999 Oldsmobile Silhouette Premiere 3.4L Gear VIN: 1GHDX03E1X Thanks for replies,but fault lies in that someone opened this request and it was not me!! Thanks to a great group!!! (I hope whomever opened this,that they have their answer.) Time to change passwords.	8
	2003 Oldsmobile Alero GLS 3.4L No Start VIN: 1G3NF12E13 Well we will call this one fixed. Found that the A/C clutch relay would hang up at times. Still does n't make total sense in my mind. But replaced relay and everyting works customer took car a week ago. reported back yesterday at all is good. Thanks to all tha... Trouble codes: B1374 (Divice ignition 1 circuit open).	5
	2004 Subaru Impreza WRX 2.0L No Start VIN: JF1GD29604 Turns out it was a shorted PCM. After replacing the relays the first time it seemed like the PCM could be the only problem , but we checked in just to make sure nothing else was happening. Thanks to all who replied.	4
	2007 Toyota RAV4 Sport 3.5L U-joint VIN: JTMBK32V87 Thanks to every one I was still unable to find a ujoint or any one to repair in my area there are shops in the States that have them but by the time I bring them up here It is cheaper to get a new one . The cust decided to go with a used drive shaft We found o...	9
	1998 Volvo S90 2.9L monitors VIN: YV1KS9603W thanks for the replies, you guys were spot on with no monitors for this car on smog test. gotta say though i did like doing nothing but driving it, sure beat working. oh well its done and the boss is happy so thaks again for the help, john	8
	2008 Volvo XC90 3.2 3.2L MIL Lamp on VIN: YV4CZ98298 Thanks for the help. We ended up dicovering the fix for this quite by accident. If you said we needed to reset the adaptation for the fuel pressure, you were correct. It seems this is easy if you have the Volvo scan tool and a little more difficult if, like... Trouble codes: P0088 (Fuel Pressure Too High), P0172 (System too rich bank 1), P0175 (System too rich bank 2).	7

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