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Prev Professional Automotive Repair Technical Discussions for June 21, 2011
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Open Help Requests for All Makes and Models
Help Request Answers
1997 Acura Integra GS 1.8L engine VIN: JH4DC4366V
acura techs when removing the engine on this 1.8 w/manual trans can i remove the engine only or is it better to remove engine with the trans.
2000 Audi A4 2.8L Hesitation, Surge, Cuts out, Misfire VIN: WAUKH28D9Y
This car came in with a severe symptom of bucking and surging under moderate throttle, slight incline. At about 1500 rpms in high gear as you start loading the engine it will just start missing/bucking and surging. If you accelerate enough for it to kick down ...
2001 BMW 325xi 2.5L No Start, Poor Idle Quality, Hesitation, Cuts out, Misfire VIN: WBAAV33481
Well guys, this BMW has me stumped. Last week it came in because it ran bad and puffed blue smoke. After an easy diagnosis I found a bad PCV valve that BMW calls the oil separator. I ordered the full update kit from BMW, and put it in today. When I was all don...
2007 BMW 530i 3.0L Engine VIN: WBANE51017
This vehicle cranks but does not start. It may have a problem with the key, so how can I reprogram the key using the INPA tool? If somebody knows how to work on this system, please let me know.
1998 Chevrolet Monte Carlo LS 3.1L fuel gauge VIN: 2G1WW12MOW
I have this problem figured down to either the wire coming from the pcm or the cluster its self is bad. I have replaced the cluster with a junk yard one, but thats not to say it isnt bad. Can anyone tell me what color and wire or wires are that I should be loo...
1999 Chevrolet C1500 Suburban LS 5.7L Misfire VIN: 3GNFK16TR6
Been working on this one for awhile. Came in fouling the #2 cylinder plug. Happened just about immediately after cleaning. Seem to be fouled with coolant. We removed and replace the intake manifold gasket thinking that it was bad. Now the plug is not fouling b... Trouble codes: P0174 (System too lean bank 2)
2003 Chevrolet Tahoe LT 5.3L mode door operation VIN: 1GNEK13T53
good morning to all!!! i have a good one for all the chevy tech out there. this 03 tahoe came in with the complaint that air only blows from the defrost, appon inspection i found this to be true however it will switch to face/vent for about 30 seconds then mov...
2005 Chevrolet Malibu LS 3.5L Monitors VIN: 1G1ZT54805
Please read carfully,customer brought in the car because it was not ready for monitors. We were told the car went for a swim,how bad i don't know. The customer had a new ECM installed for the monitors not ready.We get the car and drive it we get the egr and o2...
2005 Chevrolet Silverado 3500 6.6L No Start, Poor Idle Quality, Cuts out, Stall, MIL Lamp on VIN: 1GCHK33285
Replaced all these repair history items last year and prob went away for almost a year! Last time code p0642 would store after long runs when towing and very hot (great time for a failure) vehicle would store code and immediately stall. Sometimes would restart... Trouble codes: P0642 (5v reference signal 1 low)
2006 Chevrolet Uplander 3.5L rear of car VIN: 1GNDV23166
Hello fellow techs. This uplander is the only on we see. It has a loud clunk from the rear of the vehicle, can't pick off which side. I have looked for rust residue around bushings and such, found none. We have bounced on the back of this thing with both feet,...
2003 Chrysler Voyager LX 2.4L Misfire, MIL Lamp on VIN: 1CAGJ25B13
driving van,engine light will come on,coil code will come on.fuel injectors no#1&4 will loose pulse.(still has asd power)code for coil will come on.turn key off,wait 30 seconds and restart.(injectors get pulse.)replaced pcm,coil and checked harnes integrity. Trouble codes: P2302
1995 Dodge Ram 1500 5.2L Poor Idle Quality VIN: 1B7HF16Y5S
thank you in advance for helping,i have a dodge truck that anytime whether in drive or reverse as soon as you rev the engine and let off the engine dies.going down the road the vehicle dies at stops.watching everything on the scanner iac counts o2 sensor, map ... Trouble codes: 37 (false code)
2003 Dodge Stratus SE 2.4L Starting VIN: 1B3EL36X83
I just finished the transmission R&R and went to start it up and back it out, and nothing. The PRNDL on the cluster would not "circle" or box in the P or the N. All other gears worked correctly but it would just skip over P and N. This vehicle ran and shifted ...
2004 Dodge Durango Limited 5.7L Interior VIN: 1D4HB58D24
After replacing evaporator core we test drove and every thing appears to be working fine but we have an air bag light and a code U0019. We have cleared it and it comes right back. It has to do with buss + voltage. Are fuses are ok and we double checked all con...
2004 Dodge Caravan SE 3.3L high side VIN: 1D4GP24R04
once vehicle run for about 20 to 30 minutes highside pressure creep up to 450psi and pressure release valve releases pressure into the air. One fan was replaced becuase the connector melted, but alls these did is delay the amount of time it takes for the press...
2005 Dodge Ram 3500 SLT 5.9L Fan control VIN: 3D7LS38C25
Hello all thanks for your help up front! What I have now is on first start hot or cold very poor fan speed high side psi goes over 400 psi and shuts down a/c. With scaner hooked up both fan speed and % control is zero with no change what ever I do.I'm runing t... Trouble codes: P0480, P0483, P0533, P0243, P2509
1988 Ford E-350 Econoline Custom 7.5L No Start VIN: 1FDKE30GXJ
Vehicle starts good when cold, not start when hot. will restart after 20 min. If engine is stalled, will restart ok. If ignition is shut off, the problem occurs. Have tested map, ect, egr operation, fuel press. and leakdown, tfi module, pip operation, injector...
1994 Ford Mustang GT 5.0L No Start VIN: 1FALP42T3R
hi i got this pain in the butt 5.0L stang it intermittently has a no start condition, cranks over ok, but it will not have any spark or injector pulse. found some online help that said to remove the spout connecter and re-check spark and it starts up no proble...
1999 Ford F-250 Super Duty Lariat 7.3L Poor Idle Quality, Misfire VIN: 1FTNW21F3X
Vehicle came in with a complaint of running rough at idle. Cylinders 1 and 8 contribution codes were in memory when vehicle arrived. Perform diagnostics found no aditional faults. Pass inlet restriction test and fuel psi test[75psi]. Pass buzz test and all inj... Trouble codes: P0263 (Cylinder 1 contribution), P0266 (Cylinder 2 contribution), P0284 (Cylinder 8 contribution)
2000 Ford Focus SE 2.0L Surge, Cuts out, Stall VIN: 1FAFP34PXY
This Focus came in with surging under load/stalls no start complaint. Previously had pcm (used) replaced and fuel pump . So far I have reflashed pcm to latest calibration, tested, and bypassed FPCM, checked voltage drops for sensors, and checked the archives. ...
2005 Ford F-450 Super Duty XL 6.0L ficm module VIN: 1FTNF20P39
fellow technicians Im asking for your help with ficm replacements. we have lots of powerstroke vehicles in our fleet. all ages and engine sizes. but we could use some help clearing up ficm replacements. I spend hours reading and helping other technicians when ...
2006 Ford F-250 Super Duty Harley-Davidson Edition 6.0L Starting VIN: 1FTSW21P76
Hi everyone, I have this truck here which is a real pain in the ass for me. It will start when its cold, but never when it warms up. I replaced all of the parts listed above and I still have the same problem. When looking at a graph for the high side oil press...
2006 Ford Explorer Eddie Bauer 4.6L Rear Shaft VIN: 1FMEU74836
has anyone seen this before...awd rsc edition. the rear driveshaft is a composite design with spline like body towards the front of the shaft.this outer layer of shaft actually tore in half and dropped the driveshaft into the street.i'm sure that uneven tread ...
1999 GMC Yukon Denali 5.7L Poor Idle Quality, Misfire VIN: 1GKEK13R6X
Ok, i have beat my head off the wall long enough, here goes. I have a 99 Yukon with Vin R 5.7L. It came in with intake gaskets leaking into crankcase; replaced with steel fel-pro set and set cam retard to 0 degrees, trucj ran like a champ. That was on thursday... Trouble codes: P0300 (Random misfire)
2003 GMC Envoy SLE 4.2L Hesitation, Stall, MIL Lamp on, Runs lean VIN: IGKDT13S53
This vehicle has no amss airflow - it calculates this figure. Calculations are off. At wide open throttle rpms won't go over 4000 and this only after warmed up. At 4000 rpm wot, airflow is calculated at 40 grams per second. Should be more like a hundred +. How... Trouble codes: P0171 (Lean all banks)
1988 Honda Accord LXi 2.0L MIL Lamp on VIN: 1HGCA6287J
Thanks for your help in advance, been awhile since I worked on one of these old hondas. What I have in an intermittent cel and driveability problem and I had to find the old books on this. The led on the pcm flashes 2 times quickly followed by a pause then 2 ... Trouble codes: 2?
2007 Hyundai Elantra SE 2.0L No Start VIN: KMHDU46D77
Intermittent extended crank and no start, stall after start up. Loss of CMP signal shown on lab scope. Intermittent sloppy CKP signal. We watch both signatures simultaniously and the relation seems dead on when both signals are present and clear. This informat... Trouble codes: P0335 (Crankshaft Position Sensor CKP)
2000 Isuzu Rodeo LS 3.2L Sol A VIN: 4S12DM58W3
High techs, transmission is always on high gear. Service trans light flashing Codes: P0753 Shift sol, A electrical P0447 Evap vent sol Circuit open Codes coming back as soon as cleared after cranking. Drive test: Trans on high gear If manually shifted, tra...
2009 Lexus IS250 2.5L Starting VIN: JTHBK26229
This came from United States with out the key and and the computer. I oder a new computer and new key transmiter that should make this car run but I hook it up the dash and the push button green and orange light. Then after like 1/2 hour I was ready to star th...
2000 Lincoln LS 3.0L Module VIN: 1LNHM86S91
Hey guys, This Lincoln will have a phantom ABS activation on stops when decelerating from about 40mph. Graphing the speed sensor pids on my Verus shows nothing wrong. We originally were putting a right front knuckle on this because the ball joint was bad. The...
2005 Mercedes-Benz E500 4Matic 5.0L Ride Control VIN: WDBUF83J85
Hello Everyone, I have this E 500 4 Matic with deployed driver side air bag. The air bag and three of the seat bets have been replaced and all the codes are gone except this two hard codes 9080,and 9083 (a component of control module WSS is faulty, read DTC on...
2001 Nissan Maxima GLE 3.0L Cuts out VIN: JN1CA31D51
This vehicle cuts out like a rev limiter at 1500 to 2000 rpm in park or neutral. It also happens when it is being driven, kind of like bucking. Since we had replaced the MAF sensor recently, we wanted to be sure it wasn't a bad part so we replaced it. The prob... Trouble codes: P0160 (B1S1 O2 No Activity detected)
2003 Nissan Altima 2.5L Odometer, signal lights in gauge, headlight chime VIN: 1N4AL11D63
Vehicle came in for odometer not working, gauges work fine. Turn signal indicators do not flash, turn signals work thought. Chime for headlights not working. Replaced gauge cluster for known problem with a TSB out for gauge cluster problem but problem still th...
2005 Nissan Sentra 1.8L No Start VIN: 3N1CB51D35
Vehicle towed in 1 week ago no start replaced crank sensor replaced cam sensor compression 140-150 good power to coil good ground to coil installed know good ecm and exact same issuies no start injector pulse ok rpm showing on solus but not on tach in car no s...
1997 Pontiac Grand Prix GTP 3.8L Hesitation VIN: 1G2WP5215V
Hey Y'all! This is more of a 'second opinion' post. The customer is complaining of stuttering/hesitation during accel and while crusing. Only code set is for the EGR pintle position. On test drive, it took a bit, but I did notice a 'stutter' on accel and whene... Trouble codes: P1406 (EGR Pintle valve position circuit)
2005 Pontiac Bonneville SLE 3.8L instrument cluster,hvac VIN: 1G2HY54K55
This 2005 Bonni instrument cluster and hvac display will both sweep and reset and the dinger will sound, It will not act up unless you are moving, I disconnected the VSS and will not act up, I scoped the VSS and the signal appears perfect and speedo works smoo...
2006 Pontiac G6 GTP 3.9L Vvt VIN: 1G2ZM17116
CEL comes on, DTC P0011 is set, variable valve timing over advanced. Just wondering what to look for before I open this up. Anyone see many problems with the actuators? Anything to watch for with timing chain, other than for obvious wear? There doesn't appear ...
1987 Porsche 944 S 2.5L engine VIN: WPOAA0945H
I have an 87 944s 16v that came in the shop for a dead cylinder and a backfire. We did a compression test and the #4 cylinder had 0 psi. After we removed the valve cover we discovered that the #4 valve spring was broken and lifter collapsed. The customer decid...
2003 Subaru Legacy L SE 2.5L Fuse VIN: 4S3BH63593
Hello fellow techs. I have a 2003 Legacy here that keeps blowing the AC fuse. The weird thing is it will run all day blowing freezing cold air when it is in park. I can rev the engine and hold it at 3000 Rpms all day and it keeps blowing nice cold air. I decid...
1997 Toyota Camry LE 3.0L Steering VIN: JT28F22K9V
Making a loud noise throgh the power steering pressure hose/line. not a whinning nose like its low on fluid. but just a vibration noise thuogh the line. fluid is clean and has additive added triing to correct this.
1999 Toyota Camry LE 2.2L high idle cold VIN: 4T1BG22K5X
This 99 Camry 2.2 idles high after a cold start. It starts out around 2000 rpm and takes about a minute to come down to 750 rpm. After that, it's fine, until it sits long enough to cool down. The vacuum controlled idle up actuator is not touching the throttle,...
2004 Toyota Sienna XLE 3.3L Compressor VIN: 5TDBA22C34
I have no compressor engagement or condesor fan operation. I am aware of the relay issue with these and have replaced it to no avail. I do have power down at the connector on the clutch. What is strange to me is my mitchel schematic only shows one wire going t...
1995 Volkswagen EuroVan Camper 2.5L Tansaxle VIN: WV2EE0702S
This trans axle has haunted us from day one. It came in slipping from 2-3 and 3-4, pulled the trans, sent to local trans shop, reinstalled it, only to have it come back in 3500kms with slipping from 3-4 again. Tried new cooler, solenoids, the works, transmissi...
1989 Volvo 240DL 2.3L timing belt VIN: YV1AX885XK
my question is this: when #1 cyl is at tdc, is the crank gear aligned for timing belt installation? i cannot see any dot, notch, etc. on the crank gear, and i believe the belt has jumped about four teeth. however, the new belt DOES have the match marks and i c...
2004 Volvo XC90 T6 2.9L cvvt cams VIN: YVICZ91H24
Hope you volvo guys can help on this one. Have a friend who decided to tackle a timing belt and cam seals himself. Comes time to put it back together and realized he bit off more then he wanted. My question is how do you set the cam timing up, have all data bu...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2002 Audi Allroad Quattro 2.7L windows, dome light, pwr seat VIN: WA1YD64B29
Thank you! As most of you suggested, it was the foot well light on the drivers side seat. Armed with your ammunition I disconnected the black 2 pin connector and voila! no more blinkin lights, plug it back in, blinkin. So I have left it disconnected for now un...
1999 BMW 323i 2.5L Conv. Top VIN: WBABJ8333X
I appreciate all the responses. I did check the lone fuse by the battery in the begining and it was good. I needed that splice location and it wasn't defined. So, I went fishing. I traced the red / green wire from the fuse to center console. Then from the modu...
2004 BMW 325Ci 2.5L Pedal VIN: WBABD33424
Our local BMW specialist down the road helped us out with this one. The front calipers were the problem. Apparently after extended driving/braking heat distorts the calipers in such a way that a small crack develops in the piston. The leak is not bad enough to...
2006 BMW 530i 3.0L Srs VIN: WBANE73506
Replaced safety gateway module and programmed. programming took a couple of ours and we had difficulty with a brake pad warning light that was not on previously so some resets needed to be done. note that programming was done with autologic and the fiber optic...
1991 Buick Park Avenue 3.8L Caliper / Rotor VIN: 1G4CW53LXM
Thanks for all the replies. Almost all of you said to replace the brake hose. I tried to save them $ and only reolaced the one side, but then the other side started sticking. Replaced the second side and all's well now. I try not to be the type that overlo...
2001 Chevrolet Venture LS 3.4L Cooling Systems VIN: 1GNDX03E41
Thank you so much for all your help,it is truely a blessing to no there are still people who are willing to take the time to help someone in need.It was the oil cooler behind the oil filter.Again thank you!
2002 Chevrolet Venture 3.4L No Start VIN: 1GNDX03L02
Thanks all for your time and ideas It was the crank sensor. The Verus scanner has three different tests for 7x sensor. The first one was AC voltage check if over 100mv sensor OK. Not so. The original sensor showed 445mv and the replacement about the same. Resi... Trouble codes: P1189 (Oil Pressure Circuit).
2002 Chevrolet Impala 3.8L Over heating
Thank you everyone for your advise I think i found the problem loose connection at the bcm I completly removed the bcm to check the circuit board reinstalled the bcm connected the three connectors and everything works now. The cooling fan turn on exalctly whe...
2003 Chevrolet S10 4.3L Poor Idle Quality, Cuts out, Stall VIN: 0123857013
Thanks for all responses it was the crank sensor causing the irregular idle stalling replaced with new sensor been a couple of weeks all is good Trouble codes: P0101.
2003 Chevrolet Impala 3.4L trunk open light VIN: 2G1WF52E53
2001 Chrysler PT Cruiser 2.4L Misfire VIN: 3C8FY4BBX1
It turned out to be the aftermarket crank sensor was causing the random misfire. Thank you for all your help. Trouble codes: P0300.
1994 Ford Ranger XL 2.3L Fuel Pump VIN: 1FTCR10A5R
thanks guys. it was the pcm. the circuit responsible for providing power to the fuel pump relay wasn't always there. bad pcm. i didn't want to believe it.
2001 Ford Focus SE 2.0L air bag light VIN: 1FAFP33P01
sorry for the dummy question. allways replace RCM after any collision sorry for waisting space. lol
2004 Ford E-450 Super Duty 6.0L Cylinder Heads VIN: 1FDXF46P84
Thanks to all who responded :). I'll never understand what goes thru (or) doesn't go thru the minds of these engineers when they make a vehicle :(. After having the heads checked and found nothing wrong and what makes matters worse is that this engine was a re...
2005 Ford F-250 Super Duty XLT 6.0L Poor Idle Quality, Hesitation, Cuts out, Stall, Misfire VIN: 1FTSF21P65
Thanks, once again, to everybody. Pretty much everyone was right on the money. These injectors are a pain in the butt to change but I knew I had no choice but to at least look at them. They all tested good electrically, so don't let that fool you in the future... Trouble codes: P0269, P0284, P0401, P2285, P2286.
2005 Ford F-250 Super Duty FX4 6.0L MIL Lamp on VIN: 1FTNF20P33
thanks for all the reply s. it ended up being the ficm, but i ordered the module but it would not fit. it looks like the was a change from 7 to 4 post {under 2" inspection plate} so i ended up having to get the hole reman ficm. thanks for the ones who said it ... Trouble codes: P0267, P0270, P0273, P0279, P0282.
1997 GMC K1500 Sierra SLE 6.5L Surge, MIL Lamp on VIN: 1GTGK29F0V
Thanks guys, I'm calling this fixed. After doing the offset realern even though the numbers were wrong the truck runs great. I'm hearing that the truck has never run better and the fuel mileage has increased significantly. Thanks again for your help. Trouble codes: P1218, P1216.
2003 Honda Pilot LX 3.5L engine VIN: 2HKYF18433
The leak is definately coming from the bellhousing area. It is either the rear main seal or the oil passages. The transmission bolts were dry and I sealed them anyway just in case. The leak is still as bad. I informed the customer that the transmission will ...
2006 Honda Civic EX 1.8L compressor circuit VIN: 2HGFGT1266
Thanks for the help guys but those things had been checked. The problem is in the fusebox as we suspected, in a last ditch effort we started jiggling and pushing on the fuse box, the ac starts working and engine tries to cut out.. The data does not give you in...
2003 Jaguar S-Type 4.2L Parking Assist VIN: SAJEA03U23
Thanks to all who replied. I obtained a new harness and found that the installer of the previous harness had removed some of the tags on the replacement harness. With a good harness and the information from the TSB, the repair was successfull.
1999 Jeep Grand Cherokee Limited 4.0L No Start VIN: 1J4GW58SXX
Thank you for all your suggestions. It gets pretty lonesome working on these brain teasers. As it turns out, it was not our fault. The wires to the oil sending unit were bare and touching inside the plastic loom, shorting out the 5 volt reference. This cau...
2002 Jeep Liberty Sport 3.7L No Start, Poor Idle Quality, Stall, Misfire VIN: K22W124395
Have look at all the different thinks that all the techs suggested still not able to find the problem. The vehicle has every thing that it should need to start and run. Sending vehicle back to the shop that it came from. Trouble codes: P1391 (Loss of CMP or CKP).
2004 Mazda 6 i 2.3L Starting VIN: 1YVFP80C94
thanks for the input... 100 amp fuse was blown in fuse box... looked ok but with test light it was blown...
2000 Mercedes-Benz S500 5.0L ride control VIN: WDBNG75J5Y
I replaced the pump and all is good thanks for all the help.
2000 Mercedes-Benz C230 Kompressor 2.3L oil pressure light VIN: WDBHA24GXY
I a was beginning to think that it didn't monitor oil pressure in the first place. Thanks Dave. They should monitor it though, that's ridiculous. Oil pump isn't the only failure that can cause low oil pressure, oh well.
2001 Mercedes-Benz SLK230 Kompressor 2.3L egs module VIN: WDBKK49F71
thanks for all replies,sorry it took long ,waiting for insurance co. to answer,yes in most cases you can let the wires hang and dry and that should do the trick,since this is insurance job and no one wants responsibility I will end up doing the job they have p...
2007 Mini Cooper 1.6L Lifter VIN: WMWMF3354T
We removed the head and found the 2 intake valve seats on cylinder #2 coming out of the head. When the valve is closed there was too much play for the lifter to take up. A quick check found block and head warped over MAX. This one needs a new engine.
1998 Mitsubishi Montero Sport ES 2.4L No Start VIN: JA4LS31P2W
didn`t have a lot of posts on this one..learned a lot from the the few that did reply but customer down here in central texas couldn`t wait on other test concerning PCM so got picked up n towed to another place r shop..can`t tell as it was picked up during clo...
2005 Nissan Maxima SE 3.5L exhaust VIN: 0213870180
The first cat was boxed wrong and after calling ford and they said it was the right part number i installed. Wrong idea I told the customer the mix up and we agreed we would both pay half Thats the best part of always telling the truth customers will usually w...
2002 Oldsmobile Bravada 4.2L front differential VIN: 1GHDT13502
Hi, I wish to thank those who took the time to reply. The vehicle will be having the diff. removed and gone through so that it is a one time only repair. I figured those of you that advised pulling and refreshing were correct so that is what we are going to do...
1996 Porsche 911 Carrera 4S 3.6L seat belt VIN: WPOAA2993T
thanks to all who replied. turns out the pervious shop who installed the control module did not code it correctly. so we sent it to the dealer and got it coded right and locked. vehicle has not come back and all seems well.
1996 Toyota RAV4 2.0L Hesitation, Surge VIN: JT3XP10VXT
Thank you so much for all your help.The upstream o2 sensor was bad. Trouble codes: P0325.
1999 Toyota RAV4 2.0L No Start VIN: JT3HP10V4X
2000 Toyota Corolla LE 1.8L Hesitation VIN: 1NXBR1ZE8Y
Thanks, for all the replies, we decided to go with the MAF first. It has been a week and contact with the customer indicated that he has had no problem since. Thanks again for all the help offered, we have learned alot about this problem and fixes. Trouble codes: P0172 (System too rich).
2000 Volkswagen Jetta GLS 2.8L after run pump VIN: 3VWSE29M7Y
I am posting this as a fix. the information provided by all you guys has gave me the confidence to say vehicle is working to manufacturer specifications at this time. thanks to everyone for the help and reassurance.
2001 Volkswagen Passat GLS 1.8L Electronic VIN: WVWHC63B01
well, i found the fuel pump relay was losing its ground (given by the ecm) for a second when it happens, so i put a used ecm in it, still acts up. i pulled the 13 pos. relay panel down to pinout the ac cutout module and i found a jumper inserted between two p...
1991 Volvo 240 2.3L output shaft seal
carlos had the best explanation. had to pull the center guide pin and behold there was a nut behind it. be warned it did not come out easily. thanks to all who took the time to repsond. much grats.
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