Automotive Technicians Technical Discussion and Fixes for Apr 14, 2008

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	Help Request	Answers
	2001 Audi A4 1.8L MIL Lamp on VIN: WAUDC68D51 Thanks in advance for any help you can give. iatn is the best thing happening right now. I got this audi running with a knock after warm up and over heating bad. It is an original owner well maint. etc. It originally had code p0012 when it came in. Make a long... Trouble codes: P0012	View
	1993 BMW 318i 1.8L Battery Draw VIN: WBACA6318P Ok. This is the one out of a couple of cars giving me a headache. Car came in for battery going dead overnight. Testing Charging system and battery. Both good. I have a 1.79 amp draw. I let it sit for about an hour and a half and still there. I started with fu...	View
	2001 BMW 330Ci 3.0L Electronic VIN: WBABS53431 Dear fellow techs, The vehicle came in with a transmission shifting problem, pull codes 49,56 And 58, When you clear the codes the transmission shifts normal for a minute till the 3rd-4th shift then the transmission jerks and sets code 56 and goes into limp mo...	View
	2002 Buick Rendezvous CXL 3.4L ses+security messages VIN: 3G5DBO3EX2 hey gang,this is the 1st time iv'e dealt w/ class2 data faults, need some help here, Iv'e got ses+ security messages toggling back+ forth on the small message screen in instrument panel, When watching my vertronix "Mastertech" the communi. code#s U1000+ U1064 ...	View
	2003 Buick Rendezvous CXL 3.4L abs sensors? VIN: 3G5DB03E62 customer stated feeling started past thursday. friday i verified on a roadtest. do NOT do it all the time . it will happen in drive or reverse. again no codes. did check for TSB. none found related to the problem. called local dealer GM no help found. checked ...	View
	1995 Chevrolet K1500 Cheyenne 5.7L Hesitation, Cuts out VIN: 1GCEK14K1S well this one should be a easy fix but has not been. I drove this truck first and felt like exhaust restricted or lack of fuel as it runs well until you step it to wide open then you can feel it holding back and it does not want to shift as if it has a heavy l...	View
	1996 Chevrolet K2500 Suburban LS 7.4L Excessive Emissions, Poor Idle Quality, Hesitation, Stall VIN: 3GNGK26J1T This starts right up first thing cold when it get to operating temp. the idle rolls from 600rpm-1200rpm. At operating temp. once in a while it has a hard start problem. The STFT is 128, LTFT is about 132 on both banks. MAP is 1.99-2.17 volts MAF is 8.1-8.6 gls...	View
	1997 Chevrolet Camaro Z28 5.7L MIL Lamp on VIN: 2G1FP32P1V We have a 1997 Chev. Camaro in the shop with a failed charcoal canister. I suspect the failure was due to fuel getting into the canister. Between the canister and fuel tank there is a pressure control valve that is in good working order. My question is this......	View
	2000 Chevrolet S10 2.2L Excessive Emissions, Poor Idle Quality, Misfire, MIL Lamp on VIN: 1GCCS1953Y hello, im having a tought time with this truck!! it feels like the cat converter is pluged, but unhooked the cat converter. we have the same problem. it dosent seem to want to rev up very well. seems almost like a timing chain problem but the compression is go... Trouble codes: 300 (multipal misfires)	View
	2000 Chevrolet Cavalier 2.2L noise VIN: 1G1JC5246Y Hello everyone. Customer came in complaining of noise / vibration when moving and in park. We verified the noise in park. It makes a slightly loud humming noise as soon as the park pin stops the car from moving. Wont make the noise until it catches. We have no...	View
	2001 Chevrolet Silverado 2500 HD 8.1L Transmission VIN: 1GCHK23G51 I have a Chevy 2500HD that has an intermitent problem. During steady light throttle in O.D. it seems to go to neutral and makes a metal banging scraping noise.If you let off the throttle and continue the noise goes away and trans shifts fine. A check engine li...	View
	2001 Chevrolet Malibu 3.1L Cooling Systems VIN: 1G1ND52J41 Hello to everyone. Have a question about this Malibu. I have to do the heater core and was wondering if my eyes decieve me or is this the same style as before where you take off lower cover or do you have to pull the dash and R&R the full module as alldata say...	View
	2002 Chevrolet Corvette 5.7L Will not run when put in gear VIN: 1G1YY22G27 A high end used car dealer had this car in on consignment. Customer says he never had a problem with it. After a couple days they went to move it and it would start fine but as soon as it was put in gear it would shut off. After it was towed in we suspected t...	View
	2005 Chevrolet Corvette 6.0L drivers pretensioner VIN: 1G1YY24U05 car has fault for drivers pretensioner circuit open, high bat volt and low bat volt. cleared codes and pretensioner circuit reappered. Is it usually just a bad pretensioner or is there a more common fault? the connector under the seat looks clean and tight. th...	View
	2006 Chevrolet Express 1500 4.3L Stall VIN: 1GCFG15X26 Van has a habit of intermittanly "dying" but restarts right back up / also complains of "chugging/ loss of power" also intermittant - no pattern of stalling/ problems from what I can tell - can happen warm / cold . Can stall at idle and at freeway speeds -- NO...	View
	1988 Dodge Ramcharger AD150 5.9L drive shaft VIN: 1347889090 Hey all and God bless all at IATN. I have a customer that bought this ram charger when it had only 56,000 miles on it. I have changed many things on this vehicle and all have went well except this ujoint replacement in the rear shaft. He came in one day about ...	View
	2000 Dodge Durango 4.7L all gauges VIN: 1B247L65WS hi everybody this truck been a thorn in my side.im hoping someone ran into this problem.i dont have any guages working and the odometer comes up no bus.the vehicle cranks fine but just wont start.i checked the back of the of instrument cluster for bad wires an...	View
	2005 Dodge Durango ST 4.7L Excessive Emissions, MIL Lamp on VIN: 1D4HB4848N To all valued techs thanks for your time vehicle has code P2098 fuel trim lean downstream bank2. We have checked all wireing harnesses and ground straps replace oem o2 (downstream bank2 )and no luck .We sent to dealer because might need ecm reprog,they said ex... Trouble codes: P2098 (fuel trim lean downstream bank2)	View
	1995 Ford Escort 1.9L No Start VIN: 1FALP11JXS I have a 95 Exscort 1.9. 3 ignition coils later, im posting on here. Something keeps frying the ignition coil. # 2 and # 3 cylinder not recieving spark, while 1 and 4 are. Everytime it is 2 and 3 that fry. Any suggestions on what to check next? Thanks in advan...	View
	1995 Ford F-150 Eddie Bauer 5.0L Excessive Emissions, Poor Idle Quality, Surge, Cuts out, Misfire VIN: 1FTEX14N0S Have here a 95 F150 5.0L Engine. Has what seems like a misfire, running rough at idle. Originally had Codes for IAC Valve Malfunction and MAF Sensor Malfunction. Replaced both parts, codes did not return but still has rough idle and very rich exhaust. We do ...	View
	2000 Ford Focus LX 2.0L Battery lamp VIN: IFAFP383PY I could really use some help on this one. I have a problem with the charging system on this focus. It came in with the battery light on complaint and flickering lights. When we checked the charging system with midtronics tester, it condemned the alternator, no...	View
	2001 Ford F-250 Super Duty Lariat 7.3L No Start, Stall VIN: 1FTNX21F61 Friends of the trade, I'm in a little over my head This being my first 7.3. Fortunatley the owner is more concerned with my not repalcing unneeded parts than he is in a hurry to get'er running. He also knows this is my first one and that I'm not that familiar ... Trouble codes: P0670	View
	2002 Ford F-150 XL 4.2L temp gauge VIN: 1FTRX17292 this f-150 is driving me crazy it runs hot according to the temp gauge but we installed aftermarket gauge and we saw that when oem gauge show hot it is not the scanner shows it hot as well we have replaced temp sensor in back of head on driver side is there a ...	View
	2003 Ford F-150 XL 4.2L Poor Idle Quality, Hesitation, Cuts out, Stall VIN: 1FTRF17283 new customer,starts o.k cold once hot stalls at idle idle loaps and spark knocks.replaced upper and center intake seals and bolts with only one change,set dtcs po171 po174.rechecked seals o.k.also checked balancer for damage or broken.please iatn fix my ride..... Trouble codes: P1131, P1151, P0171, P0174	View
	1995 Geo Prizm LSi 1.8L No Start VIN: 1Y1SK5280S Thanks to all that reply. Sorry for the long post but Ive got a real doozy here. Vehicle came in on the hook. No crank no start condition. Weekend tech determined that distributor was the cause (no spark or fuel pulse) and replaced it with a reman unit. Now th... Trouble codes: 12 (No distributor signal is inputed to PCM), 13 (Crank signal is not inputed to PCM), 14 (ignitor signal from ignitor is not inputed to PCM), 24 (IAT input at PCM open or shorted)	View
	1984 GMC C2500 5.7L Alignment VIN: 1CTCC24H8E Could anyone please tell me the Steering Axis Inclination (SAI) specification for this 84 2WD 3/4 ton pick up? Thank you in advance.. Arne	View
	1995 GMC Yukon 5.7L No Start VIN: 3GEKE189KS hey techs im stummped i put a new cam lifters push rods head gasket oil pump and pan gasket i have good fuel and spark i fired it off base timed it and started to break in the cam every thing was perfect for 15 min then the motor just died out now it seems lik...	View
	1999 GMC K2500 Sierra SLE 7.4L Hesitation, Cuts out, Stall, MIL Lamp on VIN: 1GTGK23J6X hey all need some help[ on this one. installed reman longblock customer pick up and drove fine for about a week.then it stated stumbling on him. got the truck back at the shop found codes p0102 checked maf and it is not having any activity replaced drove and d... Trouble codes: P0102	View
	2002 GMC Sonoma SL 4.3L No Start, Stall VIN: 1GTCS19W92 We've also checked the fuel pressure after installing the pump, checked to specs. This time we are taking the bed off instead of the tank down as to not disturb the wiring just in case all this time it's got a broken wire and it just happens to make contact af...	View
	1998 Honda Civic EX 1.6L Timing Belt Marks VIN: 1HGEJ8147W Hello to all and thanks in advance. I'm replacing the timing belt on this 1.6 liter. I've done a lot of them but never seen this before. The camshaft back cover has two pointers for timing marks. I've always used cylinder head surface and that's were the belt ...	View
	2003 Land Rover Discovery S 4.6L Remote Keyless Entry VIN: SALTL16413 This vehicle belongs to a friend of mine. Vehicle won't lock/unlock with the remote keyless entry. Power door locks will operate from the switch inside the vehicle. Had my friend take it to the local Land Rover dealership for further diagnosis. They tried a kn...	View
	1989 Mazda B2200 2.2L Excessive Emissions, Poor Idle Quality, Poor Fuel Economy VIN: JM2UF3136K This vehicle has high emissions, failed emissions testing at idle & under load. We discovered (after reading IATN for clues) that we have no tach signal to the ecm. According to other tech experience, the rich conditon could happen when there is no tach signal...	View
	1997 Mazda B2300 2.3L MIL Lamp on VIN: 4F4CR12A8V veichle came in with po500 code,road test spedo inop.check vss ohms out ok.all gears ok,wiring to comp ok.check a-c voltage at comp while spinning vss,reads over 1.7 volts.ok.check spedo head per all-data,have continuity at all 4 checks.pin 13 to term-b,pin 2 ... Trouble codes: P0500	View
	2001 Mazda Miata 1.8L No Start, Poor Idle Quality, Cuts out VIN: JM1NB353X1 Thanks ahead of time for any help! We have a 2001 Mazda Miata that has been brought in for 2nd time with an intermittent loss of power, cutting off problem, and naturally the problem is not showing up now, but as soon as the customer picks it up, a few days la...	View
	1988 Mercedes-Benz 300SEL 3.0L Poor Idle Quality, Surge, Stall VIN: WDBCA25DOJ hello guys have this beast in with a surging idle unless you unplug what I think is idle control valve. this veh just had engine replaced at some other shop workmanship appears very good veh runs smooth and powerful once allowed to warm up only have mitchell o...	View
	2000 Mercedes-Benz ML320 3.2L climate control system VIN: 4JGAB54EYA This one is puzzeling to me. I now have the system where it will cool but it won't maintain a set temp. It switchs rapidly back and forth between cooling and heating without changing the temp. controls. Acts like a mode door switching back and forth. I have ch...	View
	2000 Mitsubishi Montero Sport LS 3.0L Compressor VIN: JA4LS31H0Y After compressor and expansion valve were replaced the high side pressure goes to 150 and the low pressure is 20,the compressor kicks off--inside temp is 53* to 54. Can jump switch and temp gets down to 39. Have checked all related switches-all check within ...	View
	2002 Pontiac Grand Am GT 3.4L Key doesn't turn VIN: 1G2NW52E22 This car was towed into our shop with the owner telling us that he couldn't get the windows and the sunroof closed. When the vehicle arrived at our shop, we found that the key will not turn in the ignition at all. The steering wheel does not lock. TIA.	View
	2003 Saab 9-3 Linear 2.0L Radio VIN: YS3FB49S93 Radio has power going in and the back lighting for the buttons works but the lcd does not light up. I have disconnected the unit to try and get it to start back up but it is like it is locked. the security light does not come on though. Also onstar does not wo...	View
	1999 Saturn SW2 1.9L Hesitation VIN: 1G8ZK8272X vehicle came in,lack of power on accel and poor shift.miss on #4.did tune up no more miss but still no power,replaced cat because it was giving that burning smell .still no power.had a few where the ect sensor was corroded bad but looks like it has been replac...	View
	2003 Saturn L200 2.2L fuel gauge VIN: 1G8JU54F13 FUEL GAUGE ONLY AFFECTED. ALL OTHER INSTRUMENTS, OK Car comes to me with irratic fuel gauge readings. Customer confirmed he had just under 1/2 tank as he put in a certain amount of gas before he came in. I hooked up with Modis and was able to read sender outpu...	View
	1999 Toyota Camry CE 2.2L MIL Lamp on VIN: 4T1BG22K3X I have been testing this vehicle for several weeks. engine light usually comes on after 3rd drive cycle. Thusly vehicle returns to me.Engine runs great 02's switching,and have vacuum at all solenoids. To make this worse I have another toyota come in today with... Trouble codes: P0401	View
	2000 Toyota Corolla VE 1.8L Hesitation, Misfire VIN: 2T1BR12E9Y Under load, the engine bogs down and has random misfires. Ease the accelerator down, and the vehicle runs fine. Compression, cam timing, fuel pressure, exhaust, all checked normal. Sparkplugs are burning normal to slightly lean. Exhaust fumes are rich and will...	View
	2002 Toyota RAV4 2.0L 2-3 shift VIN: JTEGH20V02 first i'd like to say i read all the previous help requests. the check eng light was on with a stored p0758, i test drove vehicle and expierenced the trans shift from 2nd to 3rd cause a bog like it was shifting into 3rd with out shifting out of 2nd. i checked ...	View
	2004 Toyota Celica GTS 1.8L MIL Lamp on VIN: JTDDY38T14 I need help.I can not find any posts on this code.I have ran the flow chart over and over, tested wiring,vacuum hoses and tested the pressure sensor for voltage change at the ecm.I ended up installing a $900 ecm with the same results and no used ones around.I ... Trouble codes: P2441	View
	1999 Volkswagen Jetta GL 2.0L key programming VIN: 3VWRC29M7X VW-Gurus , Customer leave the car for oil change & ask if we can order an extra key with remote. As I remember last year ,we did one Jetta by need the second key in the igntion lock to reprogram the new key. Now we call VW dealer & they say it need to be hooke...	View
	1999 Volvo V70 2.4L No Start, Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, Misfire, MIL Lamp on VIN: YV234RTJAA This car came in running rough and a code PO014. It idles very rough and will sometimes stall, has no power on a steady acceleration, and will sometimes run ok at highway speeds. I have checked the following, mas air-about 5-6 gm/s at idle and will flow over 1... Trouble codes: P0014	View
	2000 Volvo S70 GLT SE 2.4L Instrument cluster and transmission VIN: YV1LS56DXY intermitently, while the car is on drive and sometimes when it is started, the odometer goes blank (lines --- only) and the speedometer stop working. The transmission shifts ok; but while you are still driving, everything comes back and goes off. As soon as yo...	View

Fixes & Summaries for All Makes and Models

	Fix/Summary	Answers
	1993 Buick Roadmaster 5.7L Brake pedal VIN: 1G4BR8779P Thanks for all the replies and helpful information. The combination valve was replaced with no change. The master cylinder was isolated and remained rock hard.The hoses are in good condition with no signs of bulging. Calipers and wheel cylinders are new, holde...	31
	1994 Cadillac Fleetwood 5.7L Surge VIN: 1G6DW52P4R I want thank everyone that provided help with this problem. All your suggestions were good, but the fix was totally unexpected. I test drove this beast with the Tech 2 snapshot and watched all traditional parameters,MAF,TPS,IAC,EGR etc, and graphed them. There...	18
	1995 Chevrolet Beretta 2.2L Surge VIN: 1G1LV1549S Thanks to all that responded, I knew that the egrs are weak but never paid att. to the command sig. on scan tool so I guess to much thought was involved. I replaced egr valve and it has been 4 days and all is well and good. Thanks again to all who helped	5
	1999 Chevrolet Astro 4.3L MIL Lamp on VIN: 1GNEL19W7X Reset fuel trims by connecting battery cables together. Fuel trims were reset and continue to be stable. The only thing we found out of whack on this van was the PCV valve insides were gone. Replaced valve and will wathe the codes. Thank you Trouble codes: P0420 (Catalyst low efficiency).	21
	2000 Chevrolet Tahoe LT 5.3L t/s flasher VIN: 1GNEK13T4Y The customer finaly decided to spend the bucks to get rid of his flasher noise. We replaced the multifunction sw. Thanks for the replys. Just about everyone said it was the switch or the grease is tne switch causing the problem. Thanks again to all that re...	25
	2002 Chevrolet Astro 4.3L Poor Idle Quality, Cuts out, Stall, MIL Lamp on VIN: 1GCDM19XX2 Well guys, thanks for all the great replies, you all are awesome...it was a plugged cat...removed oxy sensors and bingo, started right up and idled smoothly...thanks again for your quick responses... Trouble codes: P0101.	35
	2005 Chevrolet Cavalier 2.2L Mechanical VIN: 1G1JC52F85 Gentlemen, My apololigies for the delay.I replaced 2 lifters which were identified by running with the valve cover off and all seems well. Thank you for your responses	3
	2006 Chevrolet Cobalt LS 2.2L engine VIN: 1G1AL5SF66 im sorry it took so long to reply the engine came out the top with no problem the book gives you 11 hrs and i would do these all day long .	4
	2002 Chrysler Town & Country LXi 3.3L power steering pump VIN: 2C4GP443S2 THANKS ALL, I FIGURED POWER STEERING TANK MYSELF BUT IT'S ALWAYS NICE TO GET THAT SECOND OPINION. REPLACEMENT OF THE POWER STEERING TANK HAS FIXED THIS VEHICLE, DUE TO PLUGGED SCREEN INSIDE OLD TANK. THANK YOU.	22
	2005 Chrysler Pacifica Touring 3.5L MIL Lamp on VIN: 2C4GM68455 the problem with this one was the wiring just before the nvld (leak detection switch/sensor) it had rubbed through and was corroded. i first had replaced the nvld sensor which was the most common reply. then i noticed the wiring and replaced section of wirin...	16
	1998 Dodge Ram 2500 5.9L No Start VIN: 3B7KF2265W We replaced lift pump and have fixed all start problems except, first start in the morning. Suspect fuel leaking back but we have not found any external leaks and cold start problem is not consistant.	11
	2003 Dodge Intrepid SE 2.7L brakes? VIN: 2B3HD46R32 tanks for all replies..master was seized in brake booster bore,whei i finally got master out,was alot of corrsion.i guess corrosion was holding pressure on master and appling brakes.dont understand why ity only happened when not,but replaced master/booster/flu...	7
	1997 Ford Probe GT 2.5L MIL Lamp on VIN: 1ZVLT22BOV the help that i received was very useful but the parts are not made new any more from the dealer the customer took the car and is looking for used parts and he has not yet found them and it appears it will take a long time so i decided to close the request now...	5
	1997 Ford F-150 Lariat 4.6L Oil Pressure Problem VIN: 1FTDX1867V I never really found out what was wrong and causing the oil pressure drop out. I ended up putting a new engine in the vehicle. When I took the oil pan of the original engine there was quite a bit of metal in the pan. Did not look like bearing metal but actual...	15
	2002 Ford Focus SE 2.0L MIL Lamp on VIN: 1FAHP36P92 HI again everyone. Thanks to all that helped out. Out of the 14 replies. all most all said to ckeck PCV hose. Took hose right off and sure enough there was a hole. Also recleaned MASS air with a Q tip and got more dirt off it. Works great now. Many thanks ag... Trouble codes: P0171.	15
	2003 Ford Excursion XLT 6.0L Misfire VIN: 1FMSU41P73 First off I'd like to thank everyone who took the time to address my problem. Every reply was helpful. Now for the story. I removed the MAF and cleaned it, reinstalled, test drive and immediately got MAF code and was hearing noises. Got out and wiggled connect... Trouble codes: P0102 (maf), P0341 (cmp), P0402 (egr), P0404 (egr), P0405 (egr).	7
	2004 Ford F-150 FX4 5.4L compressor VIN: 1FTPW14534 thanks for all the help replies i recieved, it tured out the ecm ground driver for the relay shorted out customer declined to replace computor at this time. again thanks for the help.	7
	1997 GMC Savana 3500 5.7L Misfire, MIL Lamp on VIN: IGDJG31R9V thanks everyone for ur help.the fuel filter was the problem we were finding the right fuel pressure but not volume i think,and it was badly plugged with murky stuff. we even took some gas out to see if there is some thing in the tank but couldn't find anything... Trouble codes: P0131, P0137, P0138, P0140, P0141, P0157.	21
	1999 GMC Sierra 1500 SL 5.3L No Start VIN: 1GTEC14T3X Thanks for all the help. Will from Ohio hit on the head. I started unplugging modules to see if the class 2 data line would come back alive. When I got to the BCM the scan tool came alive. Replace BCM and sub-let the programing and theft relearn to at shop dow...	16
	2002 GMC Yukon XL 1500 SLE 5.3L oil pressure gauge VIN: 3GKFK16Z02 we have given the customer his options and at this point he will live with it, if he changes his mind and wants it replaced I will update, thank you for all of your replies.	8
	1996 Honda Civic EX 1.6L rack and pinion VIN: 1HGEJ8178T THANK YOU FOR ALL WHO REPLIED THERE WAS A LOT OF REFERRALS TO THE BEARING PLATE HOWEVER THIS VEHICLE HAS UPPER AND LOWER BALL JOINTS THERE WAS ONE MENTION OF THE SIGNAL CANCELLING DRAGGING AND THAT SEEM TO BE THE FIX. AGAIN THANKS TO ALL.	17
	2003 Infiniti G35 3.5L Shift lock system VIN: JNKCV54E73 Thank you to the (3) techs who assisted us with the FIX of the shift interlock system. While the original problem was a lack of ground due to a bad position switch, we created a secondary problem by testing the solenoid with a PowerProbe and damaged it. By re...	3
	1994 Jaguar XJ12 6.0L generator VIN: SAJMX1344R well, the 'mystery wire' is still a mystery, and my MOD schematic turns out to give better info than the disconnected format of the OE (the OE schematics reference other pages which I didn't get. But in any case this one left the building "fixed".. The car pre...	4
	1993 Jeep Grand Cherokee Laredo 4.0L ride control VIN: 1J4GZ58S3P Thanks for all the help on this vehicle I replaced the the steering stablizer shock and this fixed the prolbem I did not feel or see anything wrong with shock arter removel of old one, but it must of been bad. Thanks. Tyson	21
	1994 Jeep Grand Cherokee Limited 4.0L Convertor VIN: 1J4GZ7856R I finally found the exact cause of this problem. It was something I missed on the overhaul. On my second pass through the valve body, I found a tiny sliver of metal restricting movement of the Lock Up Switch Valve (next to the pressue regulator). I guess the c...	5
	1998 Jeep Cherokee Classic 4.0L Poor Idle Quality, MIL Lamp on VIN: 1J4FJ68SXW Put a fork in the Jeep it is done. Thanks to Jonathan for remiending me to recheck grounds for voltage leak .I found a problem at splice connection S 114 at injector rail I also found wires touching at transmission wiring harness above transfer case The h... Trouble codes: P0138 (1/2 o2 voltage high).	6
	2002 Jeep Wrangler Sport 4.0L No Start VIN: 1J4FA49S72 I got another pcm that was ment for and non antitheft vehicle, put it in and it started right up. As many of the replies stated once the pcm see the antitheft module it expects to see it everytime after otherwise it will not let it start up. Trouble codes: P1686.	8
	1998 Lexus ES300 3.0L Surge VIN: JT8BF28G1W Thanks to all who took the time to reply. Several of you told me that you have seen this problem caused by the egr position sensor. I checked the resistance between terminals vc and e2 of the sensor, the spec is for 1.5 - 4.3 ohms, I had 5.1. I also tried look...	5
	1998 Lincoln Mark VIII 4.6L Ride Control VIN: 1LNFM91V7W both front air bags fixed the car thanks for all the advice.	17
	2000 Mazda Protege DX 1.6L spark thanks for all the replies,i learned alot on this system and will be more prepaired for next similar problem unit. I went back to the power and grounds to the pcm but this time loaded the circuits with a headlamp instead of a test lamp.found the pin 71 and 97 ...	9
	1991 Mercedes-Benz 300SL 3.0L air bag VIN: WDBFA61E4M Hey all and God bless all of IATN -- Mike of Michigan was right on the money!!! I found an analog style meter at radio shack for 20 bucks. I then grounded pin 6 of the diag connector and waited 3 secs then unground with meter still connected to pin 6 and lo...	5
	1996 Mercedes-Benz S500 5.0L readiness monitors VIN: WDBGA51E0T A big thank you to all that responded. They helped give me the confidence that I was on the right track. FYI, in Illinois they will not exempt a vehicle for monitors not being set. However the Illinois air team faxed me a drive cycle procedure that came direct...	7
	2002 Mitsubishi Lancer ES 2.0L MIL Lamp on, VIN: ILB2356H45 Thanks guys for all your help the problem was in the vacuum ports @ the throtle body , they were clugged and the EGR valve wasn`t getting enough vacuum Trouble codes: P0401.	8
	1990 Nissan 300ZX 2+2 3.0L Cuts out VIN: JN1RZ24A5L i had been leaning towards the tps on this vehicle but didnt have anyway to check it and when ken thomas and ross said they thought the tps i went ahead and got one and put it on problem solved thanks to all those who responded always appreciate all ideas	7
	2001 Nissan Maxima GLE 3.0L MIL Lamp on VIN: JN1CA31D31 vehicle was sent to dealer for software upgrade but we decided while going there we would update MAF and flash for both and customer has been a happy camper since. MAF was cheap and good insurance while idle relearn seems to have helped. Thanks everyone. Trouble codes: P0505 (idle system failure).	8
	2004 Nissan Altima S 2.5L steering pump,/ rack VIN: 1N4AL11D64 hello, would like to thank everyone who replied, the fix for this nissan was the lower steering knukle at rack&pinion, as many of you had said. I removed the shaft and it was very stiff. I was able to free up with penitrating oil for now, as costumer needed ca...	10
	1988 Porsche 924 S 2.5L oil warning sys VIN: WP0AA0923J Thanks to all who replied- the sending unit was faulty.We replaced it and let the customer drive it- so far so good! Greg and crew	4
	1999 Saab 9-5 SE 2.3L Excessive Emissions, Poor Idle Quality, Stall VIN: YS3EF48E5X One saab story comes to an end. We got 10 replies and 8 hit right on the head, cam timing. we removed valve cover, and plugs. we found intake cam was advaced one tooth. we were able to jump cam with out removing front cover. engine runs good at idle and at spe... Trouble codes: P0300 (random engine misfire), P1251 (throttle out of range).	13
	2002 Saab 9-3 SE 2.0L rear align VIN: YS3DF58K12 I believe I can align the rear of a Saab now. All replies were on the money especially the techs that stated the Saab was not the fovorite car to 4-wheel align with the thrust factors and the void of adjustments. We aligned the rear suspension on a pro-rated...	5
	1996 Toyota Corolla 1.6L Starting VIN: 2T1BA05E2T thanks to all of you guys, the customer left the shop one week ago with a big smile.The problem was the fuse box on the left fender,thanks again!	16

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