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Professional Automotive Repair Technical Discussions for June 4, 2013 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for All Makes and Models
| Help Request | Answers | |
| 2003 Acura MDX 3.5L reverse Hello, Need insight from acura trans guy. I am not a rebuilder. So what I think I know could be my crook. This vehicle seems to shift and drive in forward direction o.k. When vehicle is put into revers you have 2-5 sec of reverse then car will lock up in a for... |
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| 2006 Buick Lucerne CX 3.8L Hesitation VIN: 1G4HP57266 Hey all, been working on this car off and on for the last 6 months, it intermittenly will stumble on take off and set the p0107 and p1107 codes when it does. We had replaced the MAP sensor orginally after not being able to duplicate the issue. It went for 2 mo... Trouble codes: P0107 (Map sensor low voltage), P1107 (Map sensor int. Low voltage) |
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| 2006 Cadillac CTS 3.6L Poor Idle Quality, Hesitation, Misfire VIN: 1G6DP57736 this car runs and idles perfect until you reach 1500 rpm then it hesitates and runs bad seems like a misfire but have tried new coils . if you rev engine to 2700rpm then let idle it all goes away and runs perfect. Until you hit 1500rpm again. at highway speeds... Trouble codes: 0300 (0302 -), 0302 (0303 -), 0303 (0304 -), 0304 (0306 -), 0306 |
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| 1995 Chevrolet S10 LS 2.2L Poor Idle Quality, MIL Lamp on VIN: 1GCCS1947S Initially vehicle came in with a very rough idle and a rich code. Found the fuel pressure regulator was leaking out the vacuum port. Installed a new regulator and it operated backwards (pressure went up at idle and down when the throttle was opened). So instal... Trouble codes: 45 (Rich Exhaust) |
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| 1999 Chevrolet Express 1500 5.7L Misfire, Poor Fuel Economy, MIL Lamp on VIN: 1GBFG15R6X I had a customer come in with his Van for the MIL light being on. We check the codes and came up with p0135,p0154,p0155,p0161,p0303,p0327 and p1153. The van drives well no misfire but uses a little more fuel then its supposed to. Fuel pressure is where it's su... Trouble codes: P0135, P0154, P0155, P0161, P0303, P0327 |
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| 2001 Chevrolet Silverado 1500 5.3L Misfire VIN: 1GCEK14T71 I have got this 2001 chevy 5.3 that came in with the owner saying it has a tranny problem. on easy,1/3 throttle accel it runs and shifts fine,powerbrakes etc. but when you start accelerating aggressively it winds out with not much pick-up or speed and will not... Trouble codes: P0131, P0151, P0300, P0463, B1001 |
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| 1998 Dodge Caravan 2.4L guages,locks,wiper,lights VIN: 2B4FP25BXW all of a sudden dash gauges, dome lights, wiper, horn, parking and head lamps in op. fuses and relays good. Could that be control by body control module? how to verify it, please shed the light. Appreciated. Charles. |
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| 2001 Dodge Dakota Sport 4.7L No Start VIN: 1B7GG22N41 Today we have a 2001 dodge dakota that will not start. It has been here twice before for intermittent stalling and no start and both times the pcm was replaced. It seems to go out about every 4 months. Powers and grounds test good to pcm, but module won't oper... |
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| 2006 Dodge Stratus SXT 2.7L MIL Lamp on VIN: 1B3AL46T86 car come in with MIL on codes po300 and po454 Complaint was loss of power and MIL blinking.I have not been able to duplicate the problem.I erased the codes and after a drive cycle the codes have not returned. The fuel trims seem to be in spec. but the o2 senso... Trouble codes: P0300, P0454 |
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| 2007 Dodge Ram 2500 TRX4 5.9L MIL Lamp on VIN: 1D7KS28C17 I will try to keep this post short and to the point code p2149 if you can help me enough said I’m not a diesel tec but above average diagnostic tec. Have checked wiring between pcm and valve cover resistance is great and no shorts to power or ground. Truck run... Trouble codes: P2149 |
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| 1999 Ford Taurus LX 3.0L pump I cant view the topics because I am not a paid member. I had this vehicle just today and I replaced the pump because it was noisy. I didn't see any visible leaks anywhere. I got the pump all in and I bled the system by turning back and forth a bunch of times a... |
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| 2001 Ford Escape XLT 3.0L warning light VIN: 1FMYU04161 Recently this vehicle was out of town and needed repairs, they replaced left lower ball joint,front pads and rotors, l/f wheel bearing and air filter. After repairs the brake warning light on dash illuminates after about two min of normal driving. If vehicle i... |
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| 2003 Ford Explorer XLT 4.0L Misfire VIN: 1FMZU73KX3 Truck came in with the 2 individual cylinder misfires, but misfire counter showed all to be misfiring. When driving it feels like the fuel pump was cutting out, it is not. The running issue (misfire)only happens on acceleration or just holding rpm's up to 3000... Trouble codes: P0300 (Random misfire), P0301 (p0303-), P0303 (P0316- Misfire within 1st 1000 rpm), P0316 (Misfire within 1st 1000 rpm) |
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| 2004 Ford Freestar SEL 4.2L Rear A/C VIN: 2FMZA522X4 Front a/c works fine but no cold air from rear i have rear expansion valve and compressor with same pressures and circumstances it almost seems like it is low of refrigerant tried adding 1 lb with no effect |
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| 2007 GMC Envoy SLE 4.2L Stall VIN: 1GKDT13S77 wont idle hot acts like cam timing off sets code for cam crank corolation and low vacuum runs fine over 800 rpm replaced phaser with new gm part can activate it wile holding idle up and watch it work if i can get it to idle it sounds like it has a big camshaft... Trouble codes: P0017 |
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| 2000 Honda Civic Si 1.6L Dlc VIN: 1HGEM1152Y This civic SI will not communicate with any scanner tried. the mil light is on.I have checked continuity of all wires to the dlc to no avail.Data wire is on pin 21 at the A connector to the ECU,and pin 15 at the DLC,and has good continuity. |
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| 2007 Honda Pilot EX 3.5L Poor Idle Quality hi all, did a 105k on this honda and a few weeks later it came in with a rough idle and a p0108 code for map sensor. put a dealer map sensor in it and all was well for a few weeks and came back in with a p2279 for intake air leak.have checked cam timing,no int... Trouble codes: P2279 |
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| 2000 Jeep Grand Cherokee Laredo 4.0L all windows VIN: 1J4GW48SXY 2000 Jeep Grand Cherokee, came in with all 4 windows in-op. At first there was a ground wire that streched and broke in half but we fixed that. We checked for the power and ground and voltage is right. Still no operation from any switches(driver, pass, rear do... |
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| 2002 Jeep Grand Cherokee Laredo 4.0L Misfire, MIL Lamp on VIN: 1J4GW48S82 I have 2002 Jeep with 4.0L If you rev up to 1500rpm in nuetral. #3-#4 misfires start count up, except engine is not misfiring. After it a few seconds the PCM shuts off #4 injector,but not #3. If you shut off vehicle and start it back up, it starts all over aga... Trouble codes: P0304 (Misfire 4) |
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| 2005 Jeep Grand Cherokee Laredo 3.7L not shutting off VIN: 1J4GR48K95 I have a check engine light with no codes only u codes. When I shut ignition off every thing powers down but the engine still runs and then shuts off after the fuel pressure goes out. If I jump the fuel pump relay then the engine will stay running. The ecm is ... |
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| 1968 Lincoln Continental 7.5L Power Steering VIN: 8Y82A84030 No power steering assist at idle, works well at higher RPM. This is a crankshaft-driven pump mounted to front of timing cover, behind harmonic balancer, so no belt to fuss with. PS pressure also operates hydraulic windshield wipers. They function normally at... |
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| 2006 Mazda 6 S 3.0L No Start VIN: 1YVHP80D06 customer just bought vehicle after sitting on lot for 9 months. drove 30 miles and cut off. i have no comm to pcm. i have checked b+ and grounds at pcm. B+ at dlc. ohmed grounds at dlc. i see on flow chart for can wires it goes from bcm to pcm. if i unplugged ... Trouble codes: U0100 |
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| 1998 Mercedes-Benz SLK230 Kompressor 2.3L Misfire VIN: WDBKK47F3W Vehicle sets misfire code for cylinder #1 and ME-SFI shuts off cylinder #1 after moderate acceleration. Ok after restart until next moderate acceleration. Idle quality fine. On full throttle car has normal power up to shift point, does not drop cylinder. If yo... Trouble codes: P0300 (p0301-), P0301 |
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| 2010 Mercedes-Benz ML350 Bluetec 4Matic 3.0L injection pump VIN: 4JGBB2FB4A Im going to jump across the EIS issue as that was resolved..what I have is a question about the injection pump..Mercedes diagnosed it as bad injection pump with only 5 bar output instead of 140-150 bars..they would only install a new unit (@ $2349 plus labor),... |
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| 2000 Mercury Grand Marquis LS 4.6L MIL Lamp on VIN: 2MEFM75W4Y I was posting this help request to ask if anyone has been successful at reprograming a used pcm in this kind of vehicle. the original pcm has a problem that keeps the cooling fan running all the time and a 2 hard codes for cyl. head temp, hi and lo. Of course ... |
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| 2002 Nissan Maxima SE 3.5L long crank fires up VIN: JN1DA31A52 car was driven in with noisy exhaust,No Drivability complaints mentioned by cust rear exhaust manifold cracked removed manifold and replaced same car started immediately we took extended road test car ran normally and after 2 miles or so crapped out. It will... Trouble codes: P0340 (camshaft sensor phase 1 present when driven in) |
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| 2004 Nissan Maxima SE 3.5L No Start, MIL Lamp on VIN: 1N4BA41E94 I have the above codes with no start on this Maxima. My question is does anyone know how many volts are supposed to be on the red/green vb wires from the ECM? Pins 119 and 120. I have 12 volts but not sure if I should only have 5. Thanks Trouble codes: P1564 (ASCD Switch voltage signal out of range), P0118 (coolant temp circuit signal high), P0223 (TP sensor 1 circuit high voltage), P0123 (TPS or APP sensor high volts/open), P0113 (intake air temp signal high), P1800 (VIAS control solenoid valve circuit open) |
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| 2002 Oldsmobile Bravada 4.2L Misfire, MIL Lamp on VIN: 1GHDT13S32 Just have a question about what I am seeing with freeze frame data on this vehicle. I can never get it to misfire no matter what I do. Vacuum needle never fickers, very good power, cat not plugged. New plugs. When code sets, misfire data records nearly equal n... Trouble codes: P0300 (Random/multiple misfire) |
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| 1991 Pontiac Trans Sport 3.1L no spark VIN: 1GMCU06DXM Hi All, This old van is mine. Great old dog hauler until recently started to stumble and lose power then, while trying to figure it out it just stopped starting up. NOTE: This is a TBI with NO crank sensor. At first I thought I had a fuel problem. I did. Bot... |
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| 1960 Porsche 356B 1.6L Poor Idle Quality I am having a problem getting this Porsche to idle correctly.it will idle at 2000 rpm when warmed up and is hard to start .carbs were rebuilt and put back on due to leaking . if I could get information on how to properly adjust the mixture and idle screws it w... |
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| 1991 Saab 900 S 2.1L No Start, Poor Idle Quality, Hesitation, Cuts out, Poor Fuel Economy, MIL Lamp on VIN: YS3AK35EXM Dont see alot of saabs through our shop. CS : vehicle Gas mileage dropping 20mpg or less, car seems to lack power intermittantly, cuts out intermittently, idles poorly intermittently.(says sometimes start car runs like crap. can drive for hour park car come ou... Trouble codes: 12225 (Pre heater circuit open), 12223 (Too lean), 12111 (O2 sensor self compensating circuit problem) |
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| 2007 Saab 9-3 2.0T 2.0L Limp Home VIN: YS3FD79Y37 Car came in with trans in limp home mode. Check engine, check trans, ABS and TRAC lights on, TCM missing on BUS warning from Tech2, codes SLM 1802 05 Sentronic Circuit Open ESP u2106 00 TCM missing on bus and ESP 0045 Left Rear Wheel speed sensor open. Main is... |
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| 2003 Suzuki Grand Vitara 2.5L headlights/parking lights VIN: JS3TD62V83 thankyou for taking the time to read my post. Heres the problem. With light switch in off position, drl is working ok. in #2 position drl on, but no parking lights. in #3 position only parking lights, but no headlights. in auto position only parking lights but... |
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| 1989 Toyota Pickup DLX 2.4L Hesitation, Misfire VIN: JT4RN13P3K Car is running extremely rich, and massive backfire from exhaust I have replaced the main sensors that give the codes but the codes do not go away. Replaced the ecu still no change Fuel pressure is fine. Have set it to 5 degrees timing over and over. Need any ... Trouble codes: 24 (Intake Air Temp Signal), 31 (Air Flow Meter), 41 (Tps Sensor Signal), 42 (Vss Signal) |
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| 2001 Toyota Sequoia SR5 4.7L A/C Control Panel VIN: 5TDBT44A61 Customer started vehicle after sitting 2 hours. The a/c control panel was non responsive. The back light works and on the display, is the symbol of the vent position (to the face). No lights come on, on the buttons, and nothing changes when pushing any of the ... |
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| 2002 Toyota Tacoma DLX 3.4L turn signals VIN: 5TEWN72N72 turn signals flash fast when the brake pedal is applied, also the shift lock flashes when the turn signal is applied. the brake lights will flash when the turn signals are on. |
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| 2002 Toyota Corolla CE 1.8L Stall, Misfire VIN: 2T1BR12E72 Hello techs, This a very strange problem. It only occurs cold, after a overnight soak. The car will spin over normal and not run. The real strange thing is when you turn the key off and try again it will start and run just fine. It sometimes will eventually ru... |
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| 2002 Toyota Camry SE 2.4L Reverse VIN: JTDBE32K92 Customer brought in the vehicle to replace transmission. Complained that it hesitated (lunged) in 1st (from a standing start in stop and go traffic) and reverse ( felt about the same as first but in reverse.) No trouble codes. Checked motor mounts. Replaced th... |
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| 2004 Toyota RAV4 2.4L MIL Lamp on VIN: JTEGD20V14 Hi everyone, thanks for your time to take a look of my problem. this one is my car with PO442 ( evap control system small leak) The gas cap pass the test (I even try a new one)I used smog machine and the whole system seal good !!! I replace a new switching va... Trouble codes: P0442 |
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| 1997 Volkswagen EuroVan Camper 2.8L Misfire, MIL Lamp on VIN: WV2EH8702V This is a low mileage van just purchased by a local customer. Came in for post purchase inspection (dumb) and had a list of items he wanted checked and repaired. CEL on, scanned and retrieved codes as listed. As I could feel a light idle misfire, I disabled th... Trouble codes: 16517 (O2 slow response B1), 16684 (Random misfire), 16690 (Cyl 6 misfire), 16795 (Secondary AIR incorrect flow detected) |
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| 2003 Volkswagen Jetta TDI 1.9L No Start VIN: 3VWRP69M23 Found no suction at injection pump inlet,primed with fuel , no change.Customer admitted to using farm diesel{red} instaed of road diesel.Injector pump is out of warranty.Starter is now wasted.Also customer has been starting with starting fluid.Also cranking te... |
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| 2009 Volkswagen Jetta S 2.5L MIL Lamp on VIN: 3VWJM71K79 Hello, I have a 2009 VW with a check engine light on and no other noticeable problems. The MAC MEntor I am using displays a dtc 18863 and says "description unavailable." ALLDATA does not list anything except P-codes--I called them and they verified this is a m... Trouble codes: 18863 (No description available) |
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Fixes & Summaries for All Makes and Models
| Fix/Summary | Answers | |
| 2000 Audi A4 1.8L Compressor VIN: WAUDC68D0Y The A/C was so bad it was completely contaminated. We flushed out the system and replaced everything suggested, the compressor, inline filter, and accumulator. The system is now working perfectly. Thank You to all that responded! |
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| 2002 BMW X5 3.0i 3.0L power steering VIN: 5UXFA53582 thank you very much for the great info, it turned out to be the joint on the steering shaft, I lube it and the steering wheel felt fine. Customer will bring the vehicle back to replace the joint. Joint is about $310 retail and the book calls for 0.5 H if I rec... |
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| 2004 BMW 760Li 6.0L Surge VIN: WBAGN83444 the customer took the car like it is, with out fixing issue. if the car comes back, i will be doing a injector cleaning and checking all 12 of the coils. if it comes back, i will let you know what fixed the issue. thank you for all the replies. |
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| 2000 Buick Park Avenue Ultra 3.8L MIL Lamp on VIN: 1G4CU5419Y Im going to call this a fix. Kudos to all that suggested a blockage in the intake. it felt like fantactic flow but I aggessively used carb cleaner with the motor running. Flow still felt the same and long terms stayed the same but now the mode 6 number goes ba... Trouble codes: P0401. |
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| 2000 Chevrolet S10 4.3L No Start VIN: 1GCDT19W9Y everyone thought lock cyl,i had previously tried that.the varying voltage has to be caused by resistance in one of the connectors,havent got the truck away from customer yet to check them. If I cant find a loose, corroded connector I will give them a drop of c... Trouble codes: B2960. |
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| 2010 Chrysler Town & Country Touring 3.8L Poor Idle Quality, MIL Lamp on VIN: 2A4RR5D15A thanks to Chris, Michael, and William for their speedy and accurate replies. I replaced the PCV valve- although it did not look defective I replaced it anyways-cleaned out PCV hose and sent on way. Only time will tell. Many thanks- because I might have chased ... Trouble codes: P2173, P0507. |
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| 1999 Dodge Durango SLT 5.9L no spark VIN: 1B4HS28Z0X thanks to all for your replies, found the coil shorted internally, replaced coil, installed new ecu and that fixed the truck, returned to customer and he's been driving for a week now, i did do a pin ck ground and pwr,all checked good , but i did'nt have a sig... |
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| 2007 Dodge Ram 2500 TRX4 5.9L Compressor operation VIN: 1D7KS28C97 Sorry for the late response guys. Got this one figured out. So when a/c system was turned on compressor would cycle on and off several times and then shut off. So compressor was unplugged and installed a headlamp in its place to see if it would do the same thi... |
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| 1966 Ford Mustang 4.7L choke operation VIN: 9F07C38153 I wasn't able to find an electric coil that didn't interfere with the pulloff mechanism, so I adjusted it to the best of my ability, and sent it off, realizing that the thing is unlikely to be driven when its cold out anyway. I tell lots of people their old c... |
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| 1999 Ford E-350 Econoline Club Wagon Custom 7.3L Brake Booster VIN: 1FTSS34F1X So this one isn't out the door yet, but it's all buttoned up and fixed. Another reman vacuum pump solved it. Many thanks to everyone who replied so quickly. No one hit the nail on the head, but Alex from Georgia and Bill from Florida got me thinking along the... |
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| 2001 Ford F-150 Lariat 5.4L PCM lockout VIN: 1FTRX18L21 I replaced the Cluster with a used part same miles, put everything back together. I then bought 2 new PATS keys, towed truck to dealer and had PATS programmed and all is well. Tossed both old keys. I was trying to cover all the bases by the time I sent it to t... |
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| 2001 Ford F-150 Lariat 5.4L PCM lockout VIN: 1FTRX18L21 I replaced the Cluster with a used part same miles, put everything back together. I then bought 2 new PATS keys, towed truck to dealer and had PATS programmed and all is well. Tossed both old keys. I was trying to cover all the bases by the time I sent it to t... |
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| 2003 Ford Thunderbird 3.9L MIL Lamp on VIN: 1FAHP60A03 Thanks to each and everyone of the 17 of you that took time out of your busy schedule to assist me with my problem child, the T-Bird with an overheating issue. While I can't say it is fixed, I can report that I've made enough headway, that the car can be drive... |
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| 2007 GMC Yukon XL 2500 SLT 6.0L Cluster display VIN: 1GKGK26K27 Thanks for the help guys, It turns out that the VDO Redi-sensor did not work on this vehicle. Changed it out for a GM sensor and the reports for the DIC went normal. See Ya next year Kings! Go Blackhawks |
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| 2007 Honda Ridgeline RT 3.5L Intrument gauge VIN: 2HJYK16257 Thank you all IATN members. Mark, it was an instrument cluster. After replace the cluster, the parasitic draw went down to almost 0 after 10 minutes in the shop with key out and doors locked. |
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| 1995 Lexus SC400 4.0L brake light, penal light VIN: JT8UZ30C5S Thanks everyone who reply my help request. After interrogate customer, this vehicle had been replace rear brake lite bulbs and cluster bulbs. I replace all rear lite bulbs with correct spec., clean ground G407,clean all lite bulb sockets with stabliant 22A and... |
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| 2000 Lincoln Navigator 5.4L MIL Lamp on, limp-mode VIN: 5LMEU27A8Y The wires on the right side of the transmission bell housing were found bare without insulation. Received lots of replies that were spot on. The customer apparently could not afford to fix the car and took it back. Thanks to those who took time to help. |
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| 2004 Mazda 3 i 2.0L Hesitation, Surge The others said I may need to replace the intake manifold but I dont have the money or time. The problem seems to of fixed itself. All I did was clean the intake manifold/throttle body and cleared the codes and it seems to be OK. Thanks for the help Trouble codes: P2178 (System too rich off idle B1), P2188 (System too rich at idle B1), P0661 (Intake manifold tune valve control low B1). |
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| 2003 Mercedes-Benz SL500 5.0L a/c VIN: WDBSK75F53 Ambient air temp switch, replaced switch reset system working as designed. |
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| 1998 Subaru Forester S 2.5L Hesitation, MIL Lamp on VIN: JF1SF6553W Replaced Knock Sensor and all is well, car is with a happy customer. Thanks for the help, all responses were right on about this sensor effecting the retarted timing issue on this vehicle. Trouble codes: P0324. |
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