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Professional Automotive Repair Technical Discussions for September 20, 2018 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for All Makes and Models
| Help Request | Answers | |
| 2009 Audi A4 Quattro Cabriolet 2.0L Poor Idle Quality, Hesitation VIN: WAUDF48H89 Very intermittent lean condition leading to rough idle. Short term fuel trim is pegging out. (freeze frame data shows, haven't got it to act up while in the shop yet) We've replaced the diverter valve and crankcase vent valves (both confirmed faulty) at ... Trouble codes: P1297, P2187, P0507, P2279 |
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| 2013 BMW X5 xDrive35d 3.0L MIL Lamp on VIN: 5UXZW0C51D Has the following codes 478E 478F 47cf all low pressure egr recirc valve plausibility codes. Is this a plugged egr cooler and low psi egr valve problem,Do we replace low psi egr valve and clean the cooler? |
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| 2012 Chevrolet Impala LT 3.6L Theft System VIN: 2G1WG5E37C Car starts most of the time.when it dont the theft light comes on and service theft system message comes up on dash. It sets a code p0513.there is a service bulliten about wires rubbing on trans.pulled wire harness and no problem found.gm fix is to do a im... |
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| 2002 Chrysler Sebring LXi 2.7L Timing/Ignition VIN: 1C3EL55R92 OK Guys, I have my flame suit on. This Chrysler 2.7 is kicking my butt! The replacement engine (tested, used, VERY clean internally)is mechanically sound. Aside from BAD rod knock (confirmed), the old engine ran fine with plenty of power. The timing chain ... |
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| 2008 Ford F-350 Super Duty XL 6.4L Cuts out, Misfire VIN: 1FDWF36R88 A 2008 ford f350 6.4l diesel came in running poorly. Replaced all injectors and injector wiring harnesses. Runs great cold. After driving number 7 cylinder starts miss firing. I can shut the truck off and immediately restart it and it runs perfect again. A... Trouble codes: P0307 (Cylinder 7 misfire), P0281 (Cylinder 7 contribution) |
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| 2013 Ford E-450 Super Duty 6.8L Surge, RPM Fluctuation VIN: 1FDXE4FS9D Vehicle exhibits RPM fluctuation/surging at 3500-4500 RPM under hard or gradual acceleration. If you leave a message, please check your email account for correspondence from me, as only one update is allowed. RPM change during symptoms is no more than ... |
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| 2016 Ford F-250 Super Duty XLT 6.7L Turn Signals VIN: 1FT7W2BT9G We are in the trailer hitch business and customer first thought the problem was on the trailer because the trailer lights would stop working. Trailer checks out fine. The problem is on the truck side for sure. You can be driving the truck with or without t... |
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| 2016 Hyundai Tucson Ultimate 1.6L Turbo VIN: KM8J3CA21G Took to dealer because air intake hose was leaking oil. They said this was normal. cleaned hose and recheck. 11k miles later leaking again. I camera checked piston and no signs of oil coming past rings. Inspected vent hose from valve cover to intake hose a... |
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| 2008 Infiniti G35 X 3.5L Hesitation VIN: JNKBV61F68 OK so this car is kicking my ass like MR T did too Rocky, first the car came in with codes p0011 and p0021 so I replaced timing chains, tensioner, guides, solenoids, retarder magnets, rear timing cover gaskets and O-rings. Now I don't have the p0011 and p0... Trouble codes: P0603 |
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| 2010 Jeep Compass Sport 2.4L Misfire, MIL Lamp on VIN: 1J4NT4FB2A When the Jeep came in, it had the 3 codes listed. At first, it was running fine. As you start driving it, the check engine light starts flashing and will set a P0300 random misfire code. But it is not misfiring when the light starts flashing. Drive it a li... Trouble codes: P0301 (Cylinder 1 misfire), P0315 (Crankshaft Position Variation Not Learned), P0335 (Crankshaft Position Sensor Circuit A) |
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| 2009 Kia Borrego EX 3.8L No Start VIN: KNDJJ741X9 Not sure if battery was connected backwards or not? This is a crank no start- I did try to write VIN in PCM 3 times with no luck {snap on verus pro} It seems the PCM is not takeing the VIN I assume. Of course I have no iinjector pulse while cranking also. ... Trouble codes: P0630 |
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| 2009 Mazda 6 i 2.5L Misfire VIN: 1YVHP81A79 Vehicle will misfire , under acceleration , had timing retard on scanner. Replaced timing chain, tensioner, and vvt cam gear. Swapped injectors, coils and plugs. Trouble codes: P0301 (Misfire 1 cyl) |
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| 2000 Nissan Frontier SE 3.3L Steering wheel VIN: 1N6ED27T3Y OK so this has a strange pull to the left or pulling sensation when braking. Seems to get worse when brakes are hot but not consistent. When hitting the brakes the front dips down and the steering wheel adjusts to the left maybe a a couple inches and if yo... |
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| 1999 Pontiac Grand Am GT 3.4L pump solenoid VIN: 1G2NW52E3X gm says flow solenoid on power steering pump no longer available. what can be done? Thank Mark |
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| 2010 Subaru Forester XT Limited 2.5L rear of right head VIN: JF2SH6FC7A hey all; have an oil leak at the back of the right head, its dripping on the exhaust pipe and running down to the front rt catalytic converter, oil actually caught fire on owner, he was able to put it out without any major damage. I do believe its the s... |
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| 1997 Toyota 4Runner Limited 3.4L MIL Lamp on VIN: JT3HN87R5V We have a high mileage 4Runner throwing P0171 - lean fuel trim. Customer has been battling this problem for awhile now. checked fuel pressure 47psi at idle, spec shows 34-45 psi. 18 in vacuum at idle, plugs, wires, fuel injectors, MAF (oem), O2 sensors, al... Trouble codes: P0171 (Lean fuel trim bank 1) |
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| 2002 Toyota Tacoma Pre Runner 3.4L MIL Lamp on VIN: 5TEGN92N62 There appears to be a smoke leak around a collar open to atmosphere near the top of the filler neck that runs to a non-electric valve on the canister. The VSV for EVAP is under the hood and connected to intake and operates fine. The VSV for CCV is also und... Trouble codes: P0440 (Evaporative Emission Control System Malfunction) |
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| 2009 Toyota Prius Touring 1.5L Start Switch VIN: JTDKB20U69 Group, I am hoping for an explanation or guidance here. The push start switch the customer states does not turn green any more. I observed the following and wonder if this is as designed. Push button one time lights green and center battery center ligh... |
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| 2007 Volvo XC90 3.2 3.2L No Start, Stall VIN: YV4CZ98247 Came in with no start. Tech had fuel pressure reading of 15 psi. Replaced fuel pump-fuel filter and fuel pressure sensor. Vehicle ran fine but had inaccurate fuel gauge reading. Float had come of fuel pump. Upon inspection of the pump-it could be seen the ... |
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Fixes & Summaries for All Makes and Models
| Fix/Summary | Answers | |
| 2017 Audi Q7 Prestige 3.0L Mechanical VIN: WA1VAAF75H THANK YOU GUYS FOR REPLIES. WE DID NOT DO THE BRAKE BECAUSE HE STILL HAD MORE THAN 70% PADS REMANING. I DON'T KNOW WHY DEALER SUGGESTED HIM BRAKE JOB.BUT WHEN COME BACK FOR BRAKE I WILL KNOW WHAT TO DO. THANK YOU AGAIN. |
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| 2008 BMW 335i 3.0L Battery and/or Alternator VIN: WBAWB73538 Well, just about everyone was right. I had a good feeling it was the alternator as well, but trying to convince a proud owner of a BMW that she had a trifecta of problems, and they were not caused by us, makes for one HELL of a day. I replaced the alternato... |
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| 2011 BMW 335i xDrive 3.0L No Start, Cuts out, MIL Lamp on, reduced power VIN: WBAPL5C57B I am happy to report this car is fixed. it has been hanging around for too long and will be leaving us soon. Chris was the first to point us in the correct direction. after load testing the harness between DME and valvetronic motor. we scoped the amperage, and... Trouble codes: 2D43, 36D4. |
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| 2002 Dodge Neon ES 2.0L starter VIN: 1B3ES26C42 thanks guys this is fixed aftermarket alarm hiding in dash quick removal of pos alarm and problem solved, again thanks did not see skim but never overlook anything .just thought light part of factory. |
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| 1998 Ford F-150 XL 4.2L alternator VIN: 1FTZF1725W Fuse holder was broken so we determined that the fuse was actually breaking internally under the weight of the battery cable bouncing while going down the road. Fuse was not blown, but instead broken. |
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| 2015 Honda CR-V EX 2.4L Missing part VIN: 2HKRM4H59F We ended up ordering another engine harness. It came with the auxiliary relay boxes A & B, but no relays or covers, so we ordered those also (4 relays). After repairing the harness it still would not crank and had set several codes. Found that it had blown a c... |
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| 2007 Hyundai Sonata SE 3.3L MIL Lamp on VIN: 5NPEU46FX7 sorry for the delay in posting fix, thanks for the replies, as it turns out this was normal operation of vent valve under pressure, thanks to the couple of replies that made me aware of my mistake in testing procedures, ultimately the fault was at top of fuel ... Trouble codes: P0456. |
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| 2010 Land Rover Range Rover Sport HSE 5.0L battery VIN: SALSK2D42A Wow! I totally messed this diagnosis up and please disregard my update because it is incorrect.Thanks to all that replied and especially to Richard [...] whose excellent post guided me to the fix. With security system activated,my draw at fuse 40 would not g... |
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| 2009 Mercedes-Benz S550 4Matic 5.5L Air Matic VIN: WDDNG86X19 Thank you Mark. I am only familiar with the Hydraulic system. I did not realize that dampening and height were two separate issues. I checked the ohms of the old strut to the new used one and found it open. Further inspection revealed when they took it off the... |
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| 2014 Ram 2500 SLT 6.7L Excessive Emissions, Poor Idle Quality, Hesitation, Cuts out, Misfire, VIN: 3C6MR5BL8E well i finally found the root of all the problems. i was taking it back apart to replace the rear main seal again when i decided to pull the exhaust apart to see if the particulate filter was plugged and low and behold there it was, laying in the front convert... Trouble codes: P1507, U059F, P229E, P226C, P214B, P214A. |
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| 2008 Subaru Impreza WRX STI 2.5L Cam Seals VIN: JF1GR89698 Its Fixed but I have on hair left O Well I replaced all four Cam seals with OEM Dealer and because of the spring popping off I replaced both exhaust cam sprockets One thing I did notice is the the new cam sprockets the location of the pin that the spring hooks... |
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