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Professional Automotive Repair Technical Discussions for August 21, 2013 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for All Makes and Models
| Help Request | Answers | |
| 2002 Audi TT Quattro 1.8L Electronic VIN: TRUUT28NX2 Need some help from the audi techs, This tt came in with no ac. found fans inop as well recharged ac to full charge and cheked the high pressure switch/ was good. Replaced fan control module. Same problem no ac. However now the fans come on when the car is up ... |
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| 2003 Audi Allroad Quattro 2.7L shifting VIN: WA1YD64B23 Looking for information on checking the input speed sesor g182, have checked cotinuaity between pins 16 and 44 at tcm to pins 5 and 6 at transmission, good. Some prior post talk about 230-300 OHMS between pins 16 and 44, have done this open so i tested it at p... |
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| 1999 BMW 740iL 4.4L Starter VIN: WBAGH8339X Car towed in no crank. Car on rack probing starter signal wire. Intermittent 12v coinsiding with intermittent crank for couple seconds only, no start. Jumped 12v to starter solenoid and cranked fine but no start. Battery wasnt the best so i replaced it, also r... |
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| 1987 Buick Regal GNX 3.8L master cylinder VIN: 1G4GJ1174H We did a power master brake system to vacuum booster conversion for the brake system (master cylinder, booster, pedal and manifold block). Our issue is, on the original power master system there is a pressure switch and a electronic module. The conversion kit ... |
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| 1988 Buick Regal Limited 2.8L No Start, Stall VIN: 2G4WD14W6J This customer came in and said his car stalled getting on the highway but it restarted and he drove right in. (a%bout 5 miles to our shop) He wanted to change the fuel filter and it turns out it was leaking so we changed it and as I was checking for leaks the ... |
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| 1988 Chevrolet C1500 Silverado 5.7L 1-2 shift VIN: 1GCDC14K6J This is my vehicle and I recently rebuilt the trans in this thing. It's a 700R4 without the aux. valve body and what occurs is it will shift to 2nd and under light throttle it make a weird grinding type noise which I assume is clutch chatter. If you are under ... |
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| 1991 Chevrolet K1500 Cheyenne 5.7L 1-2 shift VIN: 1GCDK14K2M Truck came in with a leak from pump and late 1-2 shift also a very hard shift to second. Pulled trans to reseal and put a shift kit in valve body. Now we have a very early shift to second at about 2mph it will drop to 1st manualy but takes off in second if you... |
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| 1999 Chevrolet C3500 6.5L Abs & Trans VIN: 1GBJC34F6X This is driving me nuts. Keep getting code c0237 rear speed senor . Replaced speed sensor and new act right up , tried several speed sensor from know good trans and still code c0237 pop up, trans shifts in and out of passing gear. I thought I solved this the o... |
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| 2001 Chevrolet Blazer LS 4.3L Turn Signals VIN: 1GNDT13WX1 Vehical has no right turn REAR signal or brake light on Right rear only. Signal flasher flashes very rapidly. Left side flashes normal. Fuses are good and test light @fuse flashes fast. Trailer connector is good and flashes test light Fast. I suspect a grounde... |
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| 2007 Chevrolet Suburban 1500 LTZ 5.3L Axle seal VIN: 1GNFK16337 Front, left axle seal leaking. Original visit found stub shaft pitted and chewing seal. Customer in a hurry and could not wait to obtain replacement shaft. We cleaned up shaft and replaced seal. One month later shaft seal leaking as we thought it might with th... |
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| 2000 Chrysler Voyager 3.3L high pressure relief valve This van is driving me crazy. A/c compressor failed over a year ago. replaced compressor . dryer and expansion valve. worked fine until a few months ago. aftermarket compressor failed . threw belt due to bad pulley. replaced compressor . worked fine. a month l... |
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| 2003 Chrysler Concorde LX 2.7L Timing Chain VIN: 2C3HD46RX3 we put a timing chain kit in with chain guides and tentioner. it came back in 2000 miles and had chain noise. we took it apart and found chain to long and tentioner all the way out. replaced everything again and now the car is back after 2000 miles with the sa... |
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| 1999 Dodge Grand Caravan ES 3.3L No Start, Misfire VIN: 1B4GP54G2X This vehicle came in as a no start. Customer stated it had been running rough the day before. Had good spark and compression. Fuel pressure was 50psi koeo, with a sharp drop to 0psi immediately. I pulled fuel rail and found all six injectors to be leaking badl... |
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| 2003 Dodge Grand Caravan SE 3.3L speedometer VIN: 1D86P24RX3 When put in drive speedometer moves unsteady and uncontrollably and car feels jumpy. I have proceeded to scanning and so far computer shows transmission obd code 1790(fault immediately after a shift). Also shows code 22(cab internal failure) and 24(SYSTEM UND... |
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| 2004 Dodge Durango Limited 5.7L 4lock, Svc, 4wd, 4lo VIN: 1D4HD58D04 Hello Thanks for taking the time to view this post. Customers complaint is: 4Lock, SVC, 4WD, 4LO lights on instrument cluster stay on all the time. This is a 2WD vehicle. Scanned for codes and Cluster had a stored code C1402-Transfer range select switch circu... |
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| 1998 Ford Ranger XL 2.5L Poor Idle Quality, Cuts out, Misfire, MIL Lamp on VIN: 1FTYR14C2W I found denso plugs in this ford and could not verify their correct application through any of our local parts stores.Installed correct autolights and new cables on all 8 plgs.My need or question here is the functionality of this 4 cylinder ignition .8 plugs,2... Trouble codes: P0301, P0303 |
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| 2000 Ford Expedition XLT 5.4L Surge, Cuts out, Stumble VIN: 1FMRU15L6Y Hey gang. This is my wife's truck and it has developed a stumble or cuts out from a stop. It very random, it seems to mostly occur within the first 10mins of driving and also when fuel level is below 3/8 of a tank of fuel. Truck just cuts out during accelerati... |
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| 2003 Ford F-250 Super Duty XLT 6.0L Cuts out VIN: 1FTNW21P03 i am trying to help one of my sister shops with this vehicle. they called me in when it got over their heads. this vehicle quit running and was towed into shop. oil was low. the oil was changed and new batteries installed.(they were weak). there were codes for... |
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| 2004 Ford Freestar SE 3.9L No power VIN: 2FMZA51604 This vehicle has extremely low power. Will eventially get up to about 50mph, but thats it. The odometer reads 350000 plus and the customer doesn't know if the engine has been replaced because he only owned it for 12 months. Fuel pressure is good, st & lt withi... Trouble codes: P0340 |
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| 2006 Ford F-150 XLT 5.4L engine noise VIN: 1FTPW14596 have an 06 f150 5.4 came in with engine rattle, sounded like lifters found tsb on lifters so replaced lifters timming chains guides and tensioners, still had noise found related problem on iatn so replaced cam phaser bank 1,still has noise and also ran bad and... |
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| 2006 Ford Fusion SEL 3.0L Passenger Side Airbag VIN: 3FAHP08156 Intermittant passenger side air light while customer is driving car.retrieved codes with modis.when i look code up on mitchell it says i need to use a tester to test componants in system.question i have is can i test with out it mitchell cautions me not to bac... |
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| 2008 Ford F-350 Super Duty XL 6.4L MIL Lamp on VIN: 1FTWW31R78 This is an informational request. I am about to pull the cab on this truck to access the Injection Pump something I have never done before but have been told it is the way to go and have seen it done on other Fords (Gas engines only). The problem I have run in... Trouble codes: P0090 |
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| 2011 Ford Fiesta SE 1.6L No Start VIN: 3FADP4EJ5B code is stored in transmission module. i need ford guru. can i fix it without ford scanner? please help Trouble codes: P287B |
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| 2008 GMC Acadia SLT 3.6L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1GKER33708 When idling for the first minutes it will be fine. #2 will start to misfire. if i bring the engine off idle (1500 rpm) the miss goes away. When brought back to idle it comes back. When i disconnect #4 coil the misfire will stop on #2. The last repair shop repl... Trouble codes: P0300 (Engine misfire detected) |
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| 1994 Honda Civic DX 1.5L Headgasket VIN: 2HGEH2464R Engine Was Overheating, tested for antifreeze loss and discovered head gasket was leaking. Replaced Head gasket head and blocked looked ok. Two months later car was overheating again. Antifreeze Leaking in two cylinders. Removed head and sent head to machine s... |
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| 1998 Honda Accord LX 2.3L No 3rd gear or 4th VIN: 1HGCG5645W This is my personal vehicle. I have put 2 transmission in this car in the past 1.5 yrs so I know what goes bad in them but this is my first rebuild on this one I done Civics before so I took a chance an rebuilt this transmission.. Everything went good found no... |
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| 2001 Jeep Wrangler SE 4.0L MIL Lamp on VIN: 1J4FA49S61 ok thanks in advance replaced ldp and factory gas cap,I smoke evap system and only leak is at ldp at hose going to filter,If I plug hose no leak.and pressure will build up. could ldp be defective or am I missing missing something. While pressure is building if... Trouble codes: P0442 |
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| 2006 Jeep Grand Cherokee Laredo 3.7L Shifting VIN: 1J4GR48K46 Hello guys. This one is making my scratch my head. I went about this the wrong way and could use some help. This Jeep came in with the original complaint of not shifting. We drove it and determined that that the transmission was in limp mode. Confirmed limp mo... |
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| 1992 Mazda B2600 LE-5 2.6L Igniter VIN: JM2UF3144N vehicle came with no start problem it was replaced ecm, rebuild fron auto zone tree times, distribuitor twice fom jonke yard, new igniter,ignition coil from jonke yard, condense from jonke yard, another ecm from yonke yard. Ok. These are my tests. It is burnin... |
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| 1998 Mazda MPV ES 3.0L Poor Idle Quality, Misfire, MIL Lamp on VIN: JM3LV5224W This Mazda idles very rough and has a P0300. Customer replaced cap, rotor wires. We scoped the ignition system, ohm tested the injectors, tested fuel pressure and did a compression test. Compression was low 100PSI. We can not find a cause of the misfire but we... Trouble codes: P0300 |
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| 2005 Mercedes-Benz S600 5.5L Misfires VIN: WDBNG76J05 This vehicle came in due to a random misfire. The vehicle was previously taken to a Mercedes Benz dealer. The dealer stated the aux water pump was defective causing the misfire. We found the water pump to be stuck and replaced it. We also followed standard ble... |
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| 2004 Nissan Pathfinder SE 3.5L variable intake runners VIN: JN8DR09Y44 Vehicle was towed in with engine noise/ racket going on. It sounded like intermittent knocking/ banging everywhere from front of timing cover to rear of engine (noise telegraph). Knowing history of timing chain issues we pulled front access cover plates over t... |
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| 2002 Pontiac Grand Am SE 3.4L No Start VIN: 1G2NF52E12 no spark and no injector pulse, good fuel pressure, crank signals working and theft system seems to operate properly.security light goes off when cranking . have even tried relearn key .will start sometimes and runs great. most of the time just cranks with no ... |
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| 2008 Pontiac Grand Prix 3.8L No Start Thanks in advanced for all your response.. Havent got the chance to do a full diagnostic yet on this vehicle , would like to get as much information possible before i look more into it. Okay here we go! vehicle towed in , checked fuel pressure (normal 55psi), ... Trouble codes: P0520 (Engine oil pressure sensor signal circuit) |
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| 2000 Saturn SL2 1.9L SIR, BCM module VIN: 1G8ZK5275Y Called in to program new BCM on 2000 Saturn. Programming appeared to be successful, did relearn, car started, shifted out of gear, and drove. Windows, lights, ac, radio and ipc worked...except odometer reading was 0000000 and air bag light was on. Called AC De... |
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| 2004 Toyota Sienna XLE 3.3L MIL Lamp on VIN: 5TDZA22C64 Trying to replace the B1S2 oxygen sensor but can't find the connector. The harness goes up through a hole in the bottom of the vehicle and disappears. Have lifted up carpet and looked under the instrument cluster and seat, anyone help with where they hid this ... Trouble codes: P0037 |
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| 2006 Toyota Tacoma 4.0L Compressor not working VIN: 5TELU42N56 Hello All I just got this vehicle from the Customer, one other shop work on it, they replace the compressor, dryer, flush the system, and charge to speck, it only last two month, so they replace the compressor again, flash the system, this time it only last o... |
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| 2006 Toyota Sequoia Limited 4.7L Poor Idle Quality, Hesitation, Surge, Cuts out, Stall VIN: 5TDZT38A56 I got the vehicle last week with code P0101 MAF circuit low. Measured voltage in and out decided to replace due to low output. This is the second MAF, first was reman from another shop and mine was new from Toyota. Cleared code and test drove good. Seven days... Trouble codes: P0101 (Mass air flow circuit malfunction) |
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| 2009 Toyota Corolla XLE 1.8L No Start VIN: JTDBL40E69 towed in with cranking over with sound like no compression.ran compression test and guage goes to 34/40 n back down to zero.i can hold finger on tip of pressure hose n won`t blow my finger off.pulled top valve cover n all looks good.maybe a timing chaine jumpe... |
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| 2000 Volkswagen Jetta GLS 2.0L a/c compressor VIN: 3VWSC29M5Y Customer states a/c quit after dead battery was replaced.I don't see how a/c ever worked as when the a/c is working the low side pressure follows the high side from 80psi to 150psi so I know the compressor is functional but the expansion valve is not.Now onto ... |
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| 2000 Volkswagen Jetta GLS 2.8L Poor Idle Quality, Hesitation, Cuts out VIN: 3VWSE29M7Y The vehicle was brought to us from another shop with a no start complaint. When the EPC and CEL were not on in bulb check, the vehicle would not start. We replaced the complete engine wiring harness and found some broken solder joints in the ECU. That has fi... Trouble codes: P1545 (Throttle Position Control Malfunction) |
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| 2008 Volkswagen Touareg 3.6L front wipers VIN: WVGBE67L48 This vehicle had a dead battery so I boosted it and the wipers came up to halfway and stopped and would not move. found an open fuse and replaced it. Now the wipers just jerk back and forth about an inch. Im having trouble following the wiring diagrams on AllD... |
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Fixes & Summaries for All Makes and Models
| Fix/Summary | Answers | |
| 2002 BMW 530i 3.0L Right Turn signal VIN: WBADT63442 Thanks to all that replied. Customer did not want to pay for new LCM instead customer had ordered a used LCM. I had installed and turn signals went out but the LCM needs to be coded ( relayed to customer the LCM needed to be coded prior to him ordering used pa... |
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| 2005 BMW X3 2.5i 2.5L Cuts out, Misfire VIN: WBXPA73465 Problem Resolved!!! I did smoke test the engine with no leaks found. I changed the oil in the transfer case(did not install shutter guard b/c no one had it locally) performed a road test and the symptom is no longer there! I did use factory BMW transfer case... |
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| 2001 Chevrolet S10 LS 4.3L Brake Lamps VIN: 1GCDT13W01 Thanks for the replies guys. I cant say for sure if the vehicle had other repairs done before me. Everything looked in place and every harness I took apart looked to be untouched. |
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| 2005 Chevrolet Classic 2.2L No Start, Stall VIN: 1G1ND52F95 Thank you all for your input especially those familiar with the anti-theft system. Unfortunately the customer declined further diagnostic so I was unable to pinpoint anything further. |
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| 2008 Dodge Sprinter 2500 3.0L brakes VIN: WDWPE84568 hey we found the vacuum pump to be very slow to recover when you push the brake pedal after replace the vacuum pump we now have good brakes again thanks to everyone that helped |
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| 2003 Ford F-350 Super Duty Lariat 6.8L Misfire VIN: 1FTWW32S53 well all it was, a bad wire in the harness not at the connector but at the harness. i guess when engine sat for a while the harness rested on the corner of engine head. and when turn on the engine the harness moved away from engine that is why it only misfire ... Trouble codes: P0305 (Cylinder 5 misfire), P0316 (Misfire detected first 1000 revolutions). |
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| 2004 Ford Focus SE 2.0L ecm VIN: 1FAFP34364 Richard from Michigan nailed it. Unhooked the ABS module and then my scanner communicated with the ECM. Retrieved my codes, did the diagnostics, and sent it on its way. Thanks |
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| 2010 Ford E-450 Super Duty 6.8L MIL Lamp on VIN: 1FDFE4FS8A After following the advice from Ryan in Alabama I believe this headache is gone. After getting a ids and having the neural profile (crank relearn) no more misfire counts. Another time consuming lesson on making sure you check the basic's & simple things. Thank... Trouble codes: P0301, P0307. |
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| 2011 Ford Escape Limited 3.0L Poor Idle Quality VIN: 1FMCU0EG8B WOW. Talk about the need for a recall this is is. National back order on throttle body. After reading everyones replies we felt good about going ahead with the throttle body. Finally got one in and put on. The customer will have to drive to tell for sure but w... |
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| 2000 Honda CR-V LX 2.0L Cluster VIN: JHLRD2848Y I have fixed this vehicle, and posted the fix some time ago, or so I thought. Sorry for the mix up! The problem was wires breakin at the connector at the drivers door. Evidently years of flexing takes a toll on them where the wires are crimped to the terminals... |
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| 2005 Honda Element EX 2.4L No Start VIN: 5J6YH27685 This vehicle is finally fixed!! As we stated in tech help request, we had already checked grounds for computer and cleaned them, especially ones for the intake runner. We also already tried another key and the computer reset procedure. (Basically touch two bat... |
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| 2004 Isuzu NPR-HD 6.0L Starting VIN: 4KLB4B1U74 Thank you for the responses. It is believed there is a bad ground within the main wiring harness. In order to by-pass problem, we installed a relay to complete the ground, using the 12v crank position at ignition switch. This has resolved cranking issue and ve... |
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| 2010 Jaguar XF Premium 5.0L reduced power VIN: SAJWA0GB6A Thanks to Jason and Tim for their input and information. I recommended to customer to replace both high pressure pumps and they have yet to decide what they want to do. If I get this resolved, I'll post an update to this request. Thanks again, Don Trouble codes: P0087. |
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| 1999 Jeep Wrangler Sahara 4.0L Hesitation, Surge, Cuts out, Stall, Misfire, Intermittent Sensed VIN: 1J4FY49S9X Unfortunately I am closing this with a summary. I will reopen another help request with all fresh data and info because this problem is unique enough in our minds to add value to the group and we may need even more “eyes on it” that can help. Please continue... |
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| 2006 Jeep Commander 3.7L Shift VIN: 1J8HG48K66 Customer took the Jeep to the dealer to have the P0743 trans code diagnosis. Brought the Jeep back to us and we replaced the connector on top of the valve body and TCC solenoid. The connector is a plastic case with the wiring inside. The Jeep runs and shifts ... |
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| 2008 Lincoln Town Car Executive L 4.6L dtc(s) VIN: 2LNHM84WX8 hey guys, i want to thank everyone for their input sorry its been so long but i wanted to wait to see if a ecm fixed the problem but the shop i got it from still havent taken it to the dealer, they said they will at some point but their isnt a rush. so once t... |
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| 2010 Mercedes-Benz Sprinter 3500 3.0L MIL Lamp on VIN: WDPPF4CC3A 106200 CODE TEST IS NO WHERE TO BE FOUND. I GUESS MERCEDES FORGOT TO WRITE ONE UP. ANYWAY WHAT WE LEARN AND SPECIAL THANKS TO JUSTIN WHO ACTUALLY PUT ME IN RIGHT PATH.THIS CODE IS SET WHEN IF METERING VALVE IS CLOGGED,NOT ENOUGH DEF PRESSURE OR VOLUME OR SIMPL... Trouble codes: P1062, P7000, P7010. |
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| 2007 Mercury Grand Marquis LS 4.6L No Start VIN: 2MEFM75V47 thanks to every one that replied fond to be on ton the wright track took wire harness all the way apart where it ys in to driver door found fuel pump control moduel ground wire running next to the main power wire for drive door moduel with the door being open ... |
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| 1979 Toyota Pickup 2.2L Cuts out, Stall VIN: RN42010430 Found when truck ran poor nothing could make it better, removed antidieseling solenoid and found pintle didn't move when actuated (after sitting over night could get pintle to move). It was clicking but not actually working, replaced and problem solved. |
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| 1997 Toyota T100 DLX 3.4L lock-up VIN: JT4UN22D6V the truck was going in lockup, while sitting still, in drive only. cooler flow was good, we replaced transmission and it still had problem. found a loose ground on intake plenum causing voltage to lockup solenoid sitting still. cleaned and tightened ground- a... |
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| 2001 Toyota Tacoma DLX 3.4L horn VIN: 5TEWN72N11 Thanks for the help! I checked grounds for the body computer, good. I checked for corrosion at connections to the body computer, no trouble found. We took the battery cable off and hooked them together over night. The trouble cleared. We had it here three days... |
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| 2002 Toyota 4Runner SR5 3.4L Stall VIN: JT3HN86R32 replaced throttle body. got one from the wrecking yard and the vehicle ran fine after replacement. don't know if it was the throttle control motor or not. thanks for the help and the replies. |
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| 2000 Volkswagen Golf GLS 1.9L No Start VIN: WVWGF21JXY Hello Group Victor's suggestion about the crank sensor being bad would not allow fuel shutoff solenoid to open led me to remove solenoid and check operation while cranking.Solenoid was fine as was rpm pid. Checking vacuum on intake side of pump showed ... |
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