Automotive Technicians Technical Discussion and Fixes for Feb 25, 2005

Join Now

Prev	Professional Automotive Repair Technical Discussions for February 25, 2005 International Automotive Technicians' Network (iATN) - Members Only	Next
(Also Available: All, Asian, Chrysler, European, Ford, GM.)
Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder.

Open Help Requests for All Makes and Models

	Help Request	Answers
	1990 BMW 525i 2.5L all gauges VIN: WBAHC2316L Hello bmw techs. I got this car in with check engine light on and trans program displayed on screen. I tryed to pull codes for check engine light and the scan tool couldn't find dme. I removed instrument cluster and then pulled codes and was able to get in- no...	View
	1999 Buick Park Avenue 3.8L drivers front power window VIN: 1G4CW52K1X Hello all, were running into some trouble with this Park Av. When the weather is cold (below 40 deg's f)the drivers window works very slow at the top quarter of movement, going down and coming up. We've adjusted and lubed just about everything there is, and re...	View
	1994 Cadillac Seville SLS 4.6L Poor Idle Quality, Stall, Hard start VIN: 1G6KS2YXRU This car came to us with the complaint of hard start first thing in morning when it first cranks it will almost start. Second atttempt sometimes it will start and run rough for a few seconds and die sometimes it will clear out and run. I know this is an old Ca...	View
	2004 Cadillac CTS 3.6L cant get the key out VIN: 1G6DM57764 Ladies and Gentlemen, We are working on this cadillac and we can not remove key from column, checked codes with tech 2, ecm - u1300 all other controllers u1000. checked class 2 line from ecm - ok. cleared all codes, u1300 and u1000 set again. unpluged tps and ...	View
	1995 Chevrolet K1500 Cheyenne 5.0L Hesitation, Surge, Poor Fuel Economy VIN: 1GCEK19H7S I am working on a 95 Chevy K1500 pickup with a 5.0 "H" engine. This truck has slight hesitation and sluggishness. Scanning the data stream reveals constant knock sensor activity (counts from 0-255 then restarts). As soon as the throttle is moved, with light lo...	View
	1997 Chevrolet Cavalier LS 2.4L No Start VIN: 4G1JF32T1V this is a no start . Engine is in a flood condition at start up . Will attempt to start with full throttle but at closed throttle to rich for a start .Scoped ignition and can see plugs getting flooded .Map sensor in range and was also subsituted with known goo...	View
	1999 Chevrolet Tahoe LS 5.7L monitors VIN: 1GNEK13R5X MIL lamp off, no stored trouble codes, monitors not ready and they are o2s, egr, evap, cat...any help would be appreciated.	View
	2000 Chevrolet Astro 4.3L No Start VIN: 1GNEL19W8Y Came in on the hook. Pulled codes found PO338. Changed cankshaft sensor and engine started. 3 days later the same thing no start with PO338 code. Next morning came in and van runs great no problems. I almost forgot on the first tow in the customer said it was ... Trouble codes: P0338 (ckt int high freq)	View
	2001 Chevrolet Suburban 2500 8.1L No Start, Stall VIN: 3GNK26G11G My main question is does anyone out there have a scope pattern of the crankshaft sensor on one of these engines? The problem is the engine will die without any warning and start right back up. It set a crank sensor code and I have a scope hooked to it trying t... Trouble codes: P0335 (Crankshaft Position Sensor Circuit)	View
	2001 Chevrolet Malibu LS 3.1L Engine Noise VIN: 1G1NE52J91 Vehicle brought in with a lifter tick type of noise. The noise is coming from the top end of the engine. All 12 lifters were replaced in an attempt to fix problem, but that did not fix it. I read another fix and it refered to a bulletin on the valve springs? I...	View
	1995 Dodge Dakota 3.9L backfire VIN: 1B7GL23X4S Help( I am not big on Dodge vehicles.This truck backfires on accell normally around 2200 rpm.Then sort of dead spot. No codes all data on scan tool looks normal except fuel trim -28. Plugs show lean.Fuel pressure good. Replaced all filters,plugs,wires and cap ...	View
	1995 Dodge Intrepid 3.3L Alternator VIN: 1B3HD46T7S Hello everyone and thanks for the help We had this intrepid towed in and the alternator was overheated and destroyed. The back of it looked like someont took a welder to it. We installed a reman unit and its voltage at idle is ok at 13.5 to 14v...but wow what...	View
	1996 Dodge B2500 5.2L No Start, Stall VIN: 2B6BH21YTH stalls intermittenly then will not start. when key is turned to the on position, no check engine lite comes on. after a few tries, the check engine lite comes on and the vehicle starts. after about two blocks of driving, the van stalls again. as long as the ch...	View
	1999 Dodge Caravan 3.0L oil pump? VIN: 2B4FP253XX This engine has a water pump bearing like growl when cold which goes away when hot. The timing belt and tensioner, along with the water pump were replaced to get rid of bearing noise when hot. Hot noise now gone but cold noise remains. Noise seems to come from...	View
	2000 Dodge Ram 1500 Laramie 5.2L low oil pressure VIN: 1B7HC16Y9Y checked oil pressure. was 60 lbs at idle hot, but when you raise rpm drops to almost o and lifters clatter. changed oil and filter and re checked,still same. removed oil pan and found some sludge. screen had some junk in it, and oil pan did not have that much ...	View
	2002 Dodge Intrepid ES 3.5L Excessive Emissions, Poor Idle Quality, Hesitation, Stall, Misfire VIN: 2B3HD56M62 well, here it is. the initial complaint, first visit, was cel on. code for o2 sensor. tech replaced o2 w/ napa brand. vehicle is back with cel, rotten egg smell as complaint. we had misfire codes and counts on start up for bank w/ cylinders 1,3, and 5. they al... Trouble codes: P0132 (upstream o2 voltage over 1.5v), P0172 (upstream o2 sensor signal rich), P0300 (cylinder misfires)	View
	1989 Ford Mustang GT 5.0L Poor Idle Quality VIN: 1FABP42E2K hey guys and gals, i've got a mustang that doesn't run good but i can't locate the data link connector. it is supposed to be near the left front shock tower. there is one (the big connector w/ several wires) but no self test wire (tan/red). the customer is a d...	View
	1993 Ford Mustang LX 2.3L Stall, Misfire, MIL Lamp on VIN: 1FACP41M5P Hello Fellow Techs. I have here a 1993 Ford Mustang LX with a 2.3 Liter Engine, Automotic Transmission. This is the 4 cylinder engine that has 8 spark plugs, and 2 coils. Customer orginally towed it in complaining of a no start condition. I ran some diagnostic...	View
	1995 Ford F-350 Special 7.3L lines VIN: 1FTJX35F45 Ford wants a trans oil filter put in the return line from the cooler, but I do not know for sure if it is the line to the front of tranney or the rear line I think it is the front line, is this right. Thanks Randy	View
	1996 Ford E-150 Econoline Club Wagon Custom 5.8L MIL Lamp on VIN: IFDEE14H5T I have a returning P0385 code. Crankshaft Sensor B fault. have tested connectors and harness, replaced sensor(at damper),ck trigger wheel and I can't seem to find the problem. It takes about 3 days to return, after mutiple test drive I did get a pending code t... Trouble codes: P0385 (CKP 2 Misfire detection sensor or Ckt.)	View
	1996 Ford Explorer Eddie Bauer 4.0L temp/charging VIN: 1FMDU34X6T Started with no temp reading w/o overheating. Installed new TSS, then used gauge, then entire cluster, then switched sloshes. Combination of sloshes and temp gauges gives NO or Hot readings. Circuit from TSS Closed and doesn't seem to be grounded. Temp ga...	View
	1997 Ford Taurus GL 3.0L MIL Lamp on VIN: 1FALP5249V This code sets as soon as you run the KOEO test. From what I have understood so far this is an electrical malfunction. (correct?) I have checked wiring and nothing seems out of specs. I have battery voltage(approx.) at the red wire to the vmv.When I run the KO... Trouble codes: P0433	View
	1999 Ford F-150 Lariat 4.6L pats system VIN: 1FTRF17W7X Came in 2 weeks ago with a no start with the PATS system fuse blown. Replaced fuse and truck ran great. Now the fuse isn't blown, no other fuses are blown, and the truck won't start. The antitheft light flashes very fast when you crank it over. Allready tried ...	View
	2000 Ford Mustang GT 4.6L battery VIN: 1FAFP45X2Y Hi guys I have a problem here that is driving me nuts and need some help. The vehicle came in with a dead battery, replaced the battery and checked for a draw and found a 128 milliamp draw. Traced the draw to fuse #39 in the under dash fuse box, it feeds the G...	View
	2001 Ford Windstar LX 3.8L Backfire VIN: 2FMZA51441 Good evening all! I have a fine Windstar here that is backfiring (usually just small pops in exhaust system) on a very intermittent basis. Fuel trim hovers around -8 LT all the time. It usually does it regardless of load, occasionally under closed throttle dec...	View
	2003 Ford Focus LX 2.0L monitors not reset VIN: 1FAFP33P93 Had a Lady come in shop. She was near to tears. She had been to three other shops and two Ford Dealers tring to get her car through NYVIP inspection. There appears to be nothing wrong with her vehicle. Runs great and no codes. She has driven 635 miles and two ...	View
	1994 Jeep Grand Cherokee Limited 4.0L engine VIN: 1J4GZ78S9R This Jeep sounds like a diesel at idle when hot. All cylinders sound about the same. Lifters are not noisey. Did not get to test it cold, but the customer said it sounded about the same. I'm guessing at cracked or worn out pistons or carbon deposits. The fuel ...	View
	1999 Jeep Grand Cherokee Limited 4.7L Mechanical VIN: 1J4GW68N5X Some of you may remember when I posted this 99 Jeep that I bought, about the gurgling in the heater core. I responded that we found that we had cylinders leaking compression into the cooling system causing air. We removed the heads and found that one was almos...	View
	1996 Lincoln Continental Anniversary 4.6L MIL Lamp on VIN: 1LNLM97V8T This vehicle has got me stumped badly. At idle fuel trims are pretty close to 0. They hang around +4 to +7%, at partial throttle, medium load, the fuel trims max out at 25%, at WOT the car pulls fine and HO2S voltage stays above .9V. Partial throttle is where ... Trouble codes: P0171 (System too Lean Bank 1), P0174 (System too Lean Bank 2)	View
	1996 Mercedes-Benz C280 2.8L fails emissions test VIN: WDBHA28E3T hello again all, i seem to be unable to get the catalyst, air injection, and egr monitors to reset. does anyone know what the drive proceedure is for this vehicle??? am i missing something??? parameters seem to be acceptable, at least according to modis. any ...	View
	1994 Mercury Villager GS 3.0L No Start VIN: 4M2DV11W9R van was starting fine untill hard cold spell since then if outside temp drops to 30 deg or colder it takes a very long cranking period ,the kind that you know it has a great battry and when it does finally start it chugs for about 30 sec at idle or part thrott...	View
	1994 Mitsubishi Diamante ES 3.0L Poor Idle Quality, Misfire VIN: 6MMAC4958R i can only scan the computer when engine is cold as it warms up my scanner gets a communication error and will not work again until engine is cool the scanner is a mt2500 and works fine on other cars so its doesnt appear to be the scanner	View
	1998 Nissan Sentra 1.6L MIL Lamp on VIN: 1N4AB41D7W Hello everybody. This vehicle has a egr code. P1402 egr flow is excessive. The customer never complained about a running problem, only MIL. The first time he came in I found vac hose under the egr transducer bad. I also inspected the egr valve for sticking. I ... Trouble codes: P1402 (EGR flow is excessively high during the specified driving condition)	View
	1999 Oldsmobile Aurora 4.0L Stall, MIL Lamp on VIN: 1G3GR62C9X hello everyone and thanks in advance i've got a stall problem with this car mostly but i am also getting strange readings on scan data like 24k miles and car actually has 77k, fluctuating readings with koeo or koer(rpm,tps,pretty much all data fluctuates) can ... Trouble codes: 1599 (stall or near stall detected)	View
	1996 Other European CORDOB 1.4L Excessive Emissions Hello my friends. this SEAT failed in smoke test CO=11%. connect the car to scanner found code 00537 HEATED OXYGEN SENSOR CONTROL. replaced oxygen sensor and spark plugs BOSCH W7DTC CO=2%. but the code came back after car idle for 2 minutes. check on the scann...	View
	1996 Chevrolet Blazer 4.3L No Start VIN: 1GNDT13W8T This time car was towed in and would not start at all. Checked for spark and there is spark on all cylinders. Check for fuel pressure and pump is working with 61 pounds of pressure. Checked for injector pulse signals and all connections are showing pulse. Thou...	View
	1998 Plymouth Grand Voyager 3.3L Stall VIN: R4WR836124 vehicle stalls on decel problem is very intermittant but most noticable after driving 30 - 40 kms. stall occurs when you almost come to a complete stop. restarts immediately. this acts like a dirty throttle body or bad idle motor but we have cleaned the thrott...	View
	1988 Porsche 928 S4 5.0L crankshaft VIN: WPOJBO924J Porsche experienced techs, this 928 has a bad crankshaft thrust bearing due most likely to a misadjusted torque tube. It looks to me that the main bearings can be replaced with the engine in the car. Has anyone been faced with this operation and performed it s...	View
	1993 Toyota Camry XLE 3.0L Engine VIN: 4T1VK13E0P Sorry this is kind of long. This car came to me about 2 weeks ago with an overheat complaint after driven for 1.5 to 2 hours. Customer stated that the water pump, thermostat, & radiator had all been replaced. I found the head gasket was leaking @ #3 & #5 cylin...	View
	1999 Volkswagen Golf GL 2.0L No Start VIN: WVWBC31J8X Hello All Well Friend, got one here that is giving me white hair, this 1999 Golf 2.0 Liters broke down out of town, they say that it was missing and running rough, then they want to start it and the engine didn't start, the car was tow to the Local Dealer in ...	View
	2001 Volkswagen Beetle GL 2.0L MIL Lamp on VIN: 3VWBK21C71 good evening: this new bug is giving me fits. the car came in about 3 months ago, and had a throttle body alignment that would not stay aligned. it alos had the epc light on, with the pedal code. we replaced the throttle body, and reset the computer. it worke... Trouble codes: 16610 (pedal sensor), 18554 (not sure of this code has something to do with the pedal), 16725 (cam positon sensor), 16705 (engine speed sensor)	View
	1998 Volvo S70 GLT 2.4L MIL Lamp on VIN: YV1LS5676W Hi All, I have this Volvo with Code P0410(secondary Air injection). The Pump is operating when power is manually applied and is not full of water. The Pair valve is operating however I think it needs to be replaced based on the fact that exhaust is heard from... Trouble codes: P0410	View

Fixes & Summaries for All Makes and Models

	Fix/Summary	Answers
	1997 Audi A8 Quattro 4.2L Initial engagement VIN: WAUBG84D0V I have concluded this is internal to the transmission. The replies were good. I am not a transmission shop so I am sending the customer to an audi shop. Thanks to all.	6
	1999 Audi A4 1.8L Hesitation VIN: WAUCB2DXXA Well this one is fixed.It turned out to be the front joint on the rear driveshaft.The front joint had the slightest amount of play,maybe 5 degrees of wear or so,while checking it on the car,but when I removed the driveshaft it was a different story.Both front ...	10
	1988 BMW 325is 2.5L Hesitation, Cuts out, MIL Lamp on VIN: WBAAA1306J The problem was a bad idle air control motor. (Thank you Christopher from Arkansas) Apparently this motor would short out intermitantly robbing power from the EFI Main relay power input to the ECM. Some how I missed this when I scoped the power input to the ec...	12
	2003 Buick LeSabre Custom 3.8L MIL Lamp on, VIN: 1G4HP52K23 fixed! one reply led me to a bad ftp, which we had questioned. a new ftp sensor had totally different readings and the car has not been back. it's amazing how much you learn when you have to dig into a problem like this. i now have alot more knowledge of evap ... Trouble codes: P0446 (evap vent performance).	6
	1996 Chevrolet Blazer 4.3L Transfer Case VIN: 1GNDT13W7T I don't know what I fixed, if anything. I did locate the Transfer Case Module. It is not in the right kick panel, it is behind/near the ashtray. Remove the ashtray & the cover that goes to the left of the ash tray.It is a very plain metal box with no tags or p...	14
	2000 Chevrolet Suburban 1500 LT 5.3L ABS System VIN: 3GNFK16T5Y Hello iATN! First of all thank you to everyone who took time to respond to my shout for help. I have fixed this vehicle and I could not have done it without you guys! All of the replies stated that 3 mph was normal on scan tool data for minumum readings. I...	13
	2003 Chevrolet Avalanche 1500 5.3L Axles, brakes, shafts VIN: 3GNEC13T43 I am sorry but the customer went to Florida in his van for a month. When he returns we will again disassemble the front and look for something rubbing as most of you wise people said. It is probably something simple that my tech overlooked. I will let everyone...	7
	1997 Chrysler Concorde LX 3.5L 1-2 gear only VIN: 2C3HD56F9V A tranny fixed it. Was able to retrieve codes from tcm.Was able to monitor speed sensors both seemed normal.The cust got a used tranny for 200 bucks. thanx for all your help.	10
	2000 Dodge Neon ES 2.0L tcc VIN: 1B3ES46C7Y I check the numbers on the computer and the computer was out of a manual it was the wrong computer thats why i came up with that code P0833 after installing the right computer the problem was fixed thanks for all the help	7
	1991 Ford Ranger Custom 2.9L transfer case VIN: 1FTCR15T3M Thanks to the people who responded.We removed the motor and noticed a lump in one of the wires.We pulled at each end of the lump and the wire broke and was full of corrosion.Repaired wiring and everything is good	3
	1995 Ford F-250 Special 7.3L Poor Idle Quality, Hesitation, Poor Fuel Economy And the winner is Jeff from Michigan. He nailed this one. As suggested by Jeff [...] unbolted the housing from the fuel filter housing and found the screen protruding from it covered with a black material, roughly a half inch cone on the screen. Is this an indicat...	9
	1999 Ford Windstar 3.8L intermedent miss VIN: 2FM7A5146Y the owner wonted to try some cleaner in it but it didnt work so i pulled the intake and cleaned the ports out it runs better now thanks for the help	24
	1999 GMC Jimmy SL 4.3L blower motor VIN: 1GKDT13W9X well the truck is fixed! Jeffery [...] hit the nail on the head with the HVAC control head. All powers & grounds were ok so we replaced the control head and all is well. Thanks again to all who took time out of there busy day to reply! IATN is a real time/l...	4
	2000 GMC Yukon XL 1500 SLE 5.3L Temperature control VIN: 1GKFK1GT1Y We replaced the ambient temperature sensor in the headliner (the one with the built in fan above drivers head). This appears to have corrected the problem. As for the a/c light blinking - the customer will bring this vehicle back when the weather gets warmer t...	4
	1994 Honda Civic EX 1.6L No Start VIN: 2HGEJ1126R found a bad coil on the car by manually dropping the negative side of it to ground. put a new coil on and then found the problem that took out the coil, the #2@3 plug wires where arching out the side to the head. put new set on ran good	18
	2001 Honda Odyssey LX 3.5L tcs code VIN: 2HKRL1850T Thanks Randy for the help you were right on the money. The problem was a DTC set in the pcm which caused the TCS to shut down communication. I confirmed repair to the EGR system and cleared the P0401 and that allowed the code 31 to clear from the ABS/TCS ecm.	1
	2001 Isuzu Trooper Limited 3.5L engine oil usage VIN: JACDJ58X81 thanks to all who replied. the general consensus was a case of either carboned or worn oil rings. i changed the oil again and added a can of rislone. the customer will report back in 1000 miles good or bad. thanks again everybody. bill	11
	1993 Lincoln Mark VIII 4.6L Electronic VIN: 1LNLM91V8P An update on this Lincoln. The Alternator was replaced due to a bad diode patter. This vehicle, like the Acura Vigor, is sensative to the diode patterns,(most likely AC current leaking past) and will trigger false codes, and weird symptoms. I forgot that I l...	5
	2000 Nissan Maxima GLE 3.0L Hesitation, Surge, Cuts out, MIL Lamp on VIN: JN1CA31D0Y I would really like to thank you all for your help you were right we replaced the mass air flow and air filter and reprogrammed the ecm and now the car runs better than it ever has thanks a lot. Trouble codes: P0153 (O2 Slow Bank 2 Sensor 1), P0133 (O2 Slow Bank 1 Sensor 1).	13
	1997 Pontiac Grand Prix SE 3.8L shift interlock system VIN: 1G2WJ52K4V thank you guys for all your input. yes and ignition switch replacement cured the loss of power. new switch and shift assembly and the g.p. could make 200k. thanks again mike b	4
	1994 Saab 9000 CDE Turbo 2.3L Cuts out, Misfire VIN: YS3CN48M4R Replacing the crank position sensor fixed this car. The sensor is not located behind the pulley on this engine, it's in the side of the block, close to the flywheel. This is the first failure of this type sensor that I've seen. I thought it was a little unusua...	8
	1999 Saab 9-3 2.0L Poor Idle Quality VIN: 4S3DD78N1X William, Jim, and Mark hit the nail on the head with the cam timing issue. When I used the marks on the outside of the cam gear to set the timing as opposed to the marks on the camshafts, I was off 3 teeth. Why does shop key show the marks on the camshafts to ... Trouble codes: P0300 (random misfire).	10
	1997 Skoda FELICIA 1.3L Poor Idle Quality, Cuts out, Stall VIN: -- My friends. the problem of ther car was the spark plugs. some of you suggested to check the spark plugs again and i found that my technician put BERU spark plugs in that car. i replaced the spark plugs to BOSCH FR7DC and the car like new. thank you very mu...	11
	2000 Toyota Tundra 3.4L Hesitation, Poor Fuel Economy, MIL Lamp on VIN: 5TBJN3213Y Thanks to all who replied;you confirmed my suspicion that the maf was bad. Finally got the customer to return,replaced the sensor,cleared the code and all is good. I really appreciate everyones input as mine is a one man shop and really need someone to bounce ... Trouble codes: P0171, P0172.	11
	1999 Volkswagen Jetta GLS 2.0L Excessive Emissions, Poor Idle Quality, Stall, Poor Fuel Economy VIN: 3VWSA29M7X Well after spending some time on this car I am still puzzled as I have checked everything and everything showed good and within specs as per VESIS and Alldata. Customer took the car as the car decided all of the sudden to run good. Still is running a little ri...	9
	2000 Volkswagen Passat GLX 2.8L folding power mirrors VIN: WVWPD23B7Y Ok, finally figured out the problem. Fortunately or unfortunately, however you'd like to view it, the instrument cluster communication issues never came up again. As far as the folding mirror issue goes, it turns out that a sticking power seat memory 'stop' ...	3
	2000 Volkswagen Passat GLS 1.8L Surge VIN: WVWNA23B2Y thanks for all your help,i checked the vehicle for vacuum leaks with a smoke machine.no leaks found.i am waiting for the VAG software so i can do the idle relearn proceedure.when i get the software and do the proceedure i will mail out the out come. thanks a...	13
	2000 Volkswagen Passat GLS 1.8L MIL Lamp on VIN: WVWMA23BOY Gentleman, Thanks for your repplies. as most of you suggested the problem was the Air Mass Meter, even though car under factory warranty customer refused to go to dealer (bad experiences). The good news is part was only $77.00 List been running for a week now ... Trouble codes: P1128.	19
	1987 Volvo 780 2.8L Poor Idle Quality, Misfire, Long Crank VIN: YV1HA6927H Okay, We've got the 780 running and starting fine now. Thanks to all for the helpful suggestions. Several of you mentioned checking for air leaks around the intake area, which we had gone over pretty well. A couple recommended valve adjustment, but our very un...	12
	1992 Volvo 740 2.3L timing belt this brick lives again!!! thanks to all 34 replies to this question. the problem was i used the timing mark on the dampner to set tdc. when i used the old fashond method of a rod in #1 cyl plug hole I noticed that the cam timing was 90 degrees off! most replie...	36
	1994 Volvo 850 2.4L shifting VIN: YV1LW5529R Thank you all who replied.Since I already replaced the pnp and the mode switches,w/factory volvo parts,and could not find any thing wrong with the tps or mechanicaly wrong with the trans.I did a trans flush and it seems to have taken care of the problem.We hav...	9
	1998 Volvo C70 2.3L turn signals/ flashers VIN: GYVINK537X Thanks for all the replies, The flasher is indeed part of the hazzard switch. I have one on order. www.ssfautoparts.com even called on the phone to confirm, unfortunately they did not have one in stock either. Thanks again!!	10
	2000 Volvo S80 T6 2.8L srs VIN: YV1TS90D3Y Thanks to all that replied. I will cut out Bruce's explanation. ' This code is set for a configuration fault. The SRS and CEM can not communicate for whatever reason. The CEM keeps information on all of the other brains, ID's etc. of all brains and helps eve...	5
	2001 Volvo V70 2.4L MIL Lamp on VIN: YV1SW61N01 It appears that this one is fixed. Customer has not returned and has indicated that the MIL is off. When working on these late Volvos you must clear the codes and then remove the PCM fuse (#23 near left strut tower) to clear the memory or the MIL will return. ... Trouble codes: P0171.	10

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