Automotive Technicians Technical Discussion and Fixes for May 8, 2013

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	Help Request	Answers
	2003 Audi Allroad Quattro 2.7L Engine VIN: WA1YD54B63 Customer has overheated 3 times in the past year, all on days that were over 70 derees F. It happened twice last summer and once last week. Every time, the customer had been driving for 45 minutes or more and the temp gauge crept to hot and the warning sounded...	View
	2005 BMW Z4 2.5i 2.5L blower motor VIN: 4USBT335X5 hello,ths Z4 came in with no blower motor operation and the compressor will not come on.It has code 255 [unkown description] in ac control unit.The power stage and blower motor are defective and I need to know the correct procedure and flat rate time to give m...	View
	2007 BMW 335i 3.0L dash VIN: WBABB73597 Help BMW techs This car will turn on all the dash lights ABS Air Bag Engine Brake Tires pressure mon and spedo quits also and the wipers turn on by them self. The car will fix its self when hitting a speed bump semi hard I think more so from the rear. It had a...	View
	1995 Buick Park Avenue 3.8L engine missfire VIN: 1G4CW52K6S after look at car recommended replace fuel filter and PCV and clean very dirty MAF car started rough then smoothed out took out for test drive stumbled on take off then suddenly ran great returned car to customer 2 hours later customer call and said the car do...	View
	1994 Chevrolet Commercial Chassis 5.7L 3-4 Shift VIN: 1G1BL52P6R Car shifts from first to second, second to third and will not shift to fourth.when taking off the car takes off in 3rd gear.bring car back to shop shut it off let it sit for several minutes and it seems to clear itself until it goes through the gears.scanned f...	View
	2001 Chevrolet Silverado 2500 HD 6.6L Transmission VIN: 1GCHK23131 Thank you to all who read this. I have a customers truck here that clunks and jerks like it got rear ended just after a hard stop. if you accelerate up to 15 mph or so and stop quickly about 2-3 second later the trans clunks and jerks forward. I noticed in sca...	View
	2001 Chevrolet Express 1500 5.0L Misfire VIN: 1GCFG15M01 hello techs,have a 2001 chevy express 1500 5.0 has codes p1381 and po300 when customer brought it to me it was a no start it had a bad distributor cap had some condensation in it, found tsb,cleaned distributor vents, where ok,customer supplied cap,then called ... Trouble codes: P1381, P0300	View
	2003 Chevrolet Silverado 3500 6.6L fuel in crankcase VIN: 1GCJK39133 Truck came in with a complaint of low to no oil pressure. Oil was thinned out and 14 quarts overfull. Diesel fuel is mixed into the crankcase. I had codes p0522 ops ckt low, p1093 fuel psi low while power enrich and p1094 fuel rail low while idle or fuel cut. ... Trouble codes: P0522, P1093, P1094	View
	2004 Chevrolet Suburban 1500 LS 5.3L Radio VIN: 3GNFK16Z04 Good Afternoon, I have this Surburban in my bay that came in with a cd changer that would intermittenly quit reading the cds. I replaced it with a rebuilt player from my local GM dealer and programmed it with Gms SPS through my Tech II. The programming was suc...	View
	2008 Chevrolet Equinox LS 3.4L emissions VIN: 2CNDL23F68 This vehicle will not run the O2 and EGR monitors. We have driven the vehicle close to 800 miles and followed the GM drive cycle to the tee over and over with no luck. We replaced the thermostst because it was a bit slow to reach operating temperature but this...	View
	2003 Chrysler Sebring LX 2.4L transmission VIN: 1C3EL46X63 Customer came in with leaking TCM on side of transmission...erratic shifting and P0700 stored in ECM. Quart low on fluid, replaced TCM, customer returned 4 days later...did not act up for us, but code was stored for P0700 and transmission stored P0888 for rela...	View
	2007 Chrysler Town & Country LX 3.3L 2-3 shift VIN: 2A4GP44R47 As stated the transmission was replaced due to reverse being out but the 2-3 shift when cold does not happen. On the lab scope pins 7&8 get a pulsed signal during 1st gear, no pins are grounded for 2nd gear, and when cold only pin 6 gets the ground pulse and n...	View
	1998 Dodge Ram 1500 ST 3.9L No Start VIN: 1B7HC16X7W Customer was driving vehicle, vehicle stalled. Customer thought alternator was bad, so he installed reman. alt. and new battery. For whatever reason, he disconnected the alternator feed wire from underhood fuse box and the negative body ground wire from negati... Trouble codes: P1389	View
	1999 Dodge Ram 2500 5.9L No Start VIN: 3B7KF2364X Customer states vehicle runs fine once started no performance issues . Just intermittently it will experience a hard start / long crank time condition . When symptoms occur , if you cycle the key it usually starts right up . Narrowed down condition to fuel rel...	View
	2006 Dodge Ram 2500 SLT 5.9L a/c componants VIN: 3D7KR28CX6 This thing is back for the same reason. rechecked for leaks at compressor, hoses and fittings, accumulator, service ports, and evap. Checked for any TSB for unusual leaks--none found. I have also had a 2008 Dodge with same engine and same complaint. Anyone els...	View
	2008 Dodge Caliber R/T 2.4L Trans overheating VIN: 1B3HB78K88 Customer drives car around 75 to 100 miles (freeway) and the Trans/overheat light comes on at dash. The vehicle reduces speed and customer has to wait 20 minutes and good to go again. I have scanned and monitored trans temp, the hottest I get is 186 degrees an...	View
	2009 Dodge Journey SXT 3.5L MIL Lamp on VIN: 3D4GG57V29 This car intermittently sets a P1004, Short Runner Valve Control Performance code. I have done the actuator test through the scan tool and it won't set the code in the bay. I have done a search and all that I've found is an unclosed help request where the resp...	View
	1991 Ford F-350 Custom 7.5L Excessive Emissions, Poor Idle Quality VIN: 2FTJW36G1M Vehicle runs rough/black smoke at idle, lacks power on accel. Worse cold. Codes 22 & 26 present. O2 reading 960 mv at idle. Ignition timing at 10 deg w/ spout disconnected, does not change when reconnect spout & has no advance when increase engine rpm in stall... Trouble codes: 26 (Trans operating temp out of range), 22 (Map/baro out of range)	View
	1995 Ford Ranger Splash 3.0L progr. mode VIN: 1FTCR10U3S I'm trying to set door remote control programming mode. Closed doors, five ignition on/off cycles. Ending on ON position. System does not go to programming mode (door looks will not cycle on/off) What I don't know if is ok: every of the five "ignition on" c...	View
	1996 Ford E-150 Econoline 5.8L MIL Lamp on VIN: 1FDEE14HXT what I am needing it a wiring schematic for B1S1 O2 sensor, the original one was burned and someone had hard wired it. I did get new wire end and a new O2 sensor but the wires are not color coded. I could not find it in alldata. thanks Clint	View
	1997 Ford F-250 Lariat 7.3L No Start, Misfire VIN: 1FTHX26F3V Need help please from the King Powerstroke Gurus! Truck came in with complaint of no start cold unless it was plugged in for a couple hours or overnight. The temperature here in the UP of Michigan is warming up and is approx. 35-40 in the morning warming up to...	View
	1998 Ford Mustang GT 4.6L No Start VIN: 1FAFP45XXW Sorry, this is a long post. I reflashed the PCM in this car using the IDS with the latest software update (84.03). It was done as a demonstration for my students. The car belongs to a student. After the reflash the car would crank but not start. I attempted a ... Trouble codes: P1260 (Theft Detected Vehicle Immobilized), B2141 (Non-Volatile Memory configuration failure - no PCMID stored in PATS. Reinitialization required probable cause is replaced PATS Control Systems B C only), U1262 (SCP network problem between PCM and PATS no messages received from PCM. PCM is not powered up or wiring issue with SCP circuits Bus Bus-. This is only a PATS fault if the Theft Indicator is flashing)	View
	2003 Ford Escape XLS 3.0L ride control VIN: 1FMYU021X3 Hello Techs, I have never seen a problem like this. The car is back with front struts that are locked up. You can not push down and move the car up an down any. Run the car up on a lift with the wheels hanging down. Then drop the car all the way down the car w...	View
	2005 Ford Ranger XLT 4.0L cyl. head VIN: 1FTZRT5E35 First time customer brought this low mileage ranger in for a misfire. We test drove the truck and found that it was not a misfire, but a vibration due to a bad harmonic balancer. when we were running the engine, we heard a loud tap/pop every so often, we could...	View
	2005 Ford F-350 Super Duty XL 5.4L Low power VIN: 1FDSF34565 Howdy, Got a ford three legged dog here. Customer owns a service company and is very meticulous about maintenance records. He bought this truck and tracked all repairs, he is missing a years worth of oil changes from 2010. It has been to several shops out of t...	View
	2006 Ford E-150 4.6L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1FTRE14WX6 This vehicle is a wheelchair van fleet vehicle. In town driving mostly, extended idling. Vehicle came in for Rough idle, MIL flashing. Only happened when vehicle was sitting at long lights. Would run better above 30mph. Originally found P0307 and P0304 misfire... Trouble codes: P0306 (Cyl. 6 misfire), P0300 (Random misfire), P0304 (Cyl. 4 misfire), P0307 (Cyl. 7 misfire), P0316 (Misfire within first 1000 revolutions)	View
	2007 Ford Focus SE 2.0L MIL Lamp on Hello techs this is my first post. i have a ford focus with a 2.0 that sets p0340 right when you start the vehicle. the cam sensor has already been replaced. i have checked the two wires between the cam sensor and ecm and they have good contact. i pulled the v... Trouble codes: P0340	View
	2009 Ford F-150 XLT 4.6L Intake Runner control VIN: 1FTRX12809 The truck has no drivability issues, but the engine light came on with P2006, P2007 codes which are right and left intake runner control stuck closed. Also P2020 which is intake runner control circuit fault. Anyone seen this problem on this truck? I couldn't ...	View
	2003 GMC Envoy XL SLT 4.2L MIL Lamp on VIN: 1GKDT13S43 this vehicle has intermittent problem reduced power lite comes on no odometer or park position lites on dash no communication with transfer case had multiple codes u1000 state of health message trottle body codes coolant temp below operating treshhold Trouble codes: U1000	View
	2007 GMC Yukon XL 1500 Denali 6.2L MIL Lamp on VIN: 1GKFK66857 Fellow techs. We are in this one deep and need some help. The vehicle came in with the trans in limp in mode. Check engine light on, brake and abs light on, service stability light on. Gauges will fluctuate also. We checked the connector at trans and is ok. We... Trouble codes: U0073 (no communication with ecm), U0121 (no communication with trans)	View
	2005 Honda Accord LX 2.4L AC Command VIN: 3HGCM56435 hey all, I have this 05 Honda that is driving me nuts.cafr came for no AC operation, inspected AC system, found a leaking High pressure line, and a Failed AC circuit in the Relay box. had the line repaired and replaced the relay box, and still no operation, th...	View
	2003 Hyundai Sonata 2.4L power windows opened vehicle without key when locked, alarm was activated, disconnected battery, came back next day installed battery, key fob was inop., alarm realy was clicking in on pos., and no start. power windows also inop. checked all fuses, o.k. located etacm and di...	View
	2007 Kia Sorento LX 3.8L MIL Lamp on VIN: KNDJD73637 Need some help with this one. It has new cam sensor on both cylinder heads.truck starts and runs good if you clear the code it will come right back to a pending code. And after amile or so light back on.no lack of power starts fine, at cam 2 sensor at idle on ... Trouble codes: P0018 (Crankshaft position-camshaftposition-correlatation bank2sensor a)	View
	2001 Mercedes-Benz ML320 3.2L MIL Lamp on VIN: 4JGAB54E01 The vehicle comes in with a P2096 code. From some other research we decided to replace the right bank pre-cat oxygen sensor. The O2 sensor readings appear normal. Front and rear. The bank one sensor, the new one, does seem to be switching slower than the left ... Trouble codes: P2096	View
	2003 Mercedes-Benz SLK230 Kompressor 2.3L No Start VIN: WDBKK49F33 alright her it goes i have a 2003 mercedes slk230 kompressor it came in no start engine wont crank over checked codes only computer in high speed can bus i can get in to is ecm it has multiple communication codes no communication with electronic shift module ,...	View
	2003 Mercedes-Benz SLK230 Kompressor 2.3L No Start VIN: WDBKK49F33 alright her it goes i have a 2003 mercedes slk230 kompressor it came in no start engine wont crank over checked codes only computer in high speed can bus i can get in to is ecm it has multiple communication codes no communication with electronic shift module ,...	View
	2000 Mercury Cougar 2.5L Fuel Tank VIN: 1ZWFT61L8Y MY dumb question of the day.. I'm trying to replace the fuel pump on this car, and according to shopkey you can take the pump out of the tank through the access hole under the rear seat. In this case, the hole is smaller around than the pump so I'm trying to l...	View
	2008 Nissan Titan SE 5.6L No Start We have a 2008 Nissan Titan Se 5.6 V8 with an intermittant no start. It seems to do this more often when the vehicle is hot, you then shut it off and try to start, and it cranks, but doesnt start. You can sit there and try multiple times to crank it over, and ...	View
	2002 Pontiac Firebird 3.8L Hesitation, Cuts out, Stall, Misfire VIN: 2G2FS22K92 Vehicle came in with a misfire on acceleration intermitantly, no codes. Drove vehicle felt the misfire like it was an ignition misfire had my scanner hooked up and lost communication while viewing the misfire monitors and then it would communicate again and ru...	View
	1990 Toyota Cressida Luxury 3.0L wiring/vac/f VIN: JT2MX83E4L looking for upclose view for vac lines,fuel lines,electrical plug in on driver side where fuel n intake.need to put car back together as my mechanic tore it down w/o taking pics and am lost.	View
	1999 Volkswagen Beetle GLS 2.0L no compressor operation at idle VIN: 3VWCA21C2X Customer complaint a/c not cold. Evacuate and recharged to factory specification. Still go compressor operation at idle. If you bring car up to fifteen hundred compressor kick in.Tried a new A/c pressure switch no change.	View
	2001 Volkswagen Beetle GL 2.0L Mechanical VIN: 3VWBS21C61 Hello, Just a quick question, hoping someone will be able to shed some light on it since we are getting mixed opinions/information. I've got a 2001 VW Beetle 2.0 AEG. What we are wondering is if we can stick an AZG long block in as a replacement engine. This ...	View
	2003 Volkswagen Jetta GLS 1.8L Cuts out, Stall, MIL Lamp on VIN: 3VWSE69M73 we received the car with a cracked head. we pulled the head and sent out for repairs from a very reputable dealer. reinstalled head and replaced various plastic lines. after complete reassembly, cranked and idled great. then during various road test, the po321... Trouble codes: P1200, P1136, P0321	View
	2005 Volkswagen Passat GLS 2.0L temperature VIN: WVWCE63B65 car runs ok at cruise ,, above 75 mph car starts to run hot almost into the red zone but will easily go three quarters into the hot zone if the speed is dropped to 65 mph temp goes back to normal any ideas appreciated this is a diesel passat wagon than...	View
	2007 Volkswagen Jetta Wolfsburg Edition 2.5L MIL Lamp on VIN: 3VWEF71K07 P2199--VW techs, got a stubborn one here,with a air intake sensor 1/2 code, no running problems, just a check engine light. We searched the IATN, Ross Teck wiki, and the net before deciding to replace the air mass meter, with very little on this. Anyone evere ... Trouble codes: P2199 (Air intake sensor 1/2), 00860	View
	2008 Volkswagen Jetta SEL 2.5L fan #2 INOP VIN: 3VWRM71KX8 Hi guys, thank you in advance for your help. This jetta is not turning on the #2 fan. I have looked for info in shop key and have found nothing useful for diagnosing the fans. Question 1, Does the #2 fan run at the same time as the #1 fan?? Or, does it only ...	View
	1997 Volvo 850 GLT 2.4L vibration VIN: YV1LW5644V car has heavy vibration coming from driveline on accel only.let off gas vibration stops.is wheel speed vibration.cust is retired with very limited funds.	View

Fixes & Summaries for All Makes and Models

	Fix/Summary	Answers
	2003 Cadillac CTS 3.2L MIL Lamp on finaly got car back rescanned and found throttle body codes replaced and all is good thanks for your responses Trouble codes: P1904.	9
	1991 Chevrolet Camaro RS 3.1L No Start, Stall, MIL Lamp on VIN: 1G1FP33T9M With head hung low, I limp across the finish line. Problem was indeed an injector with low (4 ohms vs 12 ohm spec). These are not sequential injected systems. They're based on the old Bosch L Jetronic fuel injected systems with gang-fired injectors. In this ca... Trouble codes: 46 (Vehicle security system).	10
	2002 Chevrolet Silverado 1500 5.3L radio VIN: 2GCEK19T42 pulled radio one weekend to check ...and many thanks on O2 info printed and will keep in the folder ive accumulated over the years	21
	2003 Chevrolet Venture LS 3.4L MIL Lamp on VIN: 1GNDX03E93 first off. thanks for everyone taking their time to respond. i double checked all of the wiring associated with the module and all was good. i replaced the ignition module and test drove no more p1374 so far. im gonna call this one fixed. thanks again for yo... Trouble codes: P1374.	5
	2005 Chevrolet Cavalier 2.2L MIL Lamp on VIN: 1G1JC12FS5 Most replies suggested a bad PCM. Others said possible damaged wiring either from mice or shorted from transmission. I had already checked all wiring twice. The local junkyard had plenty of these so I tried a used PCM. Had to do the crank and wait until the se... Trouble codes: P0122 (TPS circuit A low voltage).	7
	2006 Chevrolet Malibu LT 2.2L thermostat VIN: 1G1ZT51F86 Thanks to all for the replies! The help was greatly appreciated. Well, GM e-mailed a survey to me about my service experience. I didn't let the opportunity to vent pass. So yesterday I got a call from GM, they are re-opening my case, so fingers crossed. I will...	30
	2006 Chrysler PT Cruiser Touring 2.4L Ignition switch VIN: 3A4FY58B06 Sorry for the late posting,lady brought car back in,I checked battery connections,grounds to body & engine.So really I just installed new ignition switch & checked the above,Have not heard back from her.Had alot of replies,most said to check connections to ba...	16
	2000 Dodge Dakota 4.7L current draw VIN: 1B7GG22N2Y Performed the current draw test several times, letting the vehicle set for up to an hour after removing the key and shutting the doors. 2 of those times the draw did not drop to normal(37 ma) but stayed over 100 ma. Replaced the trans relay and repeated the ...	6
	1997 Ford F-150 Lariat 4.6L cylender heads VIN: 1FTDX1861V Thank everyone for help. All inquiries were helpful in the approach for this repair. Was able to R&R heads for machining and reinstall with not a problem. Thank You Everyone Again	14
	1998 Ford Mustang GT 4.6L Cuts out, MIL Lamp on VIN: 1FAFP42X4W Tested the alternator and found that it had bad diodes. Recommended to the customer and he thought that would not cure it and decided to decline the repair. So, thanks for all the recommendations to all. Trouble codes: P0320.	9
	1999 Ford Contour LX 2.5L anti-theft, key programming VIN: 1FAFP66L2X First of all thank all of you so much for the help. I learned something today that many of you hit on: You absolutely NEED to make sure the key you're trying to program is a PATS key. We ordered 3 different lock cyl's w/keys; one was even a Motorcraft one,...	15
	2001 Ford F-250 Super Duty Lariat 7.3L Abrupt engine stall VIN: 1FTNW21F12 We installed a new cam sensor and no further faults. Thanks for taking the time to comment. Frank	12
	2001 Ford Expedition XLT 5.4L Master cylinder VIN: 1FMPU16LC1 Thank you for all the replies. Alot said bad abs acuator and it was the hcu of the abs actuator.Dan thanks for the way to check at ports on acuator.One side did push out with paper clip.Customer went with used one because od price of new one.New used part and ...	27
	2004 Ford F-150 XLT 4.6L compressor clutch VIN: 1FTRW12W14 As always thanks to all who took time to reply. It was the Instrument Cluster. They called the previous owner(Car belongs to a used car lot) and discovered he had changed the IPC because he didn't like the way it looked. Installed a used one from the boneyard...	8
	2005 Ford Explorer Limited 4.6L reverse THANKS FOR ALL THE HELP, REPLACED THE VALVE BODY AND IT FIXED THE VEHICLE. I WENT THROUGH THE VALVE BODY AGAIN LOOKING FOR BROKEN SPRINGS, HUNG VALVES, SCARRED BORES, AND MIS-ASSEMBLED COMPONENTS. THIS THING LOOKS PERFECT, I DO NOT KNOW WHAT IS GOING ON WITH I...	15
	2007 Ford Explorer Eddie Bauer 4.0L Excessive Emissions VIN: 1FMEU74E67 This one is fixed and it was simple in a way. Putting on a new gas cap resolved the intermitant small leak code. Checking the system while in the shop was not showing any leaks but evidently the road vibration was causing the problem. Trouble codes: P0442.	7
	1998 Honda Accord LX 2.3L Stall VIN: 1HGCG5649W First of all, thank you to all who replied! I appreciate you all taking the time to help. As many of you said it did end up being a failed PGM-FI relay, aka main relay. I finally caught it one day and found that when the car stalled the main relay had power in... Trouble codes: P1382 (CYP loss of signal), P0420 (Catalyst efficiency).	19
	2001 Honda Civic LX 1.7L instument cluster VIN: 1HGES16551 Sorry for the delay. We ended up having the same year car come in for some other work so we quick swapped clusters between the two and it worked fine. Customer brought us a used one, we installed, and all is well. Interesting note is the wiring colors on th...	5
	2002 Honda Accord SE 2.3L Steering Rack VIN: 1HGCG56732 Customer wanted to take vehicle and just drive it. He's just glad the rack is ok. Still feels like it is in the rack. Sorry there is no more info.	9
	2005 Hyundai Santa Fe GLS 2.7L A/C Fuse VIN: KM8SC73D45 Thanks to everyone for all your help. Finally found the problem, it ended up being a bad diode. Only explanation we can come to is possibly the ac compressor had gone bad previously and fried the diode, but was never found before the accident.	12
	2001 Jeep Cherokee Classic 4.0L No Start VIN: 1J4FF58S31 Vehicle speed sensor was shorted to ground. replaced and all is good. thanks for the help.	7
	2002 Jeep Liberty Limited 3.7L No Start VIN: 1J4GL58K92 Thanks for all of the help. We pulled the timing cover off and found the Key-way on the crank pulley sheared. The pulley was wedged and spinning the cams, but off time.	28
	2002 Mercedes-Benz C320 3.2L There no codes VIN: WDBRH64J62 still can not set monitors for cat or o2 sensors,all data is with in all specs. we suspect that the keep alive memory is not working.going for smog check exemption. will get back to car at a later date thanks to all that reply Trouble codes: P200D, P208D, P200B, P207E.	12
	2008 Nissan Titan XE 5.6L Starter VIN: 1N6AA06F78 Thank you every one. It was the PCM. I had to wait for the customer to okay the work and the used PCM to show up. It didn't work right away but I soon found out I forgot to plug the BCM back in lol. Thank you all. Scott =)	8
	2007 Porsche 911 Turbo 3.6L Poor Idle Quality, Surge VIN: WP0AD29937 Thanks for the replies. Most advised smoke testing before replacing MAF's, so I did and found no leaks. Customer became impatient and said he would take the car to the dealer( 4hours one way),but I went ahead and cleaned the MAF's before reassembling the air c... Trouble codes: B1010 (HFM electrical fault value below lower limit), B1810 (air massHFM ahead of throttle plate implausible upper limit value exceeded), B1510 (air massHFM ahead of throttle plate implausible implausible signal), P1090 (manufacturer specific).	4
	2004 Suzuki Verona LX 2.5L Excessive Emissions, Hesitation, MIL Lamp on VIN: KL5VJ52L14 Sorry my computer crashed but I really appreciate everyone's help but the car turned out to be like the fords when I replaced the MAF with a aftermarket it was reading but this car needed a OEM part. As soon as I replaced the after market MAF the fuel trims we... Trouble codes: P0171 (Bank one lean), P0172 (Bank one rich), P0174 (Bank two lean), P0175 (Bank two rich).	11
	2000 Toyota Camry LE 2.2L Poor Idle Quality, Hesitation, Surge VIN: 4T1BG22K5Y Again I want to thank everyone for taking the time to help out and lend ideas. Lots of very clever people on here, and that’s why we come here. In the end I replaced just the front O2 sensor. (not a Air Fuel sensor) FYI: California cars have AF sensor... Trouble codes: P300P, P0105 (MAP/Baro Circuit Fault), P0120 (TPS Circuit Problem), P0133 (O2 Sensor Slow response B1S1), P0440 (EVAP System Fault).	22

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