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Professional Automotive Repair Technical Discussions for April 18, 2018 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for All Makes and Models
| Help Request | Answers | |
| 2012 Audi Q5 Premium 2.0L Poor Idle Quality, Misfire, MIL Lamp on VIN: WA1CFAFP3C Car has too much crankcase vacuum, replaced the pcv valve on top of the cyl head with the updated one car still has too much crank vacuum. Fuel trims maxed out lean. No external intake leaks found. A whistling noise can be heard at front crank pulley seal ... |
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| 2009 Buick Lucerne CX 3.9L traction controll VIN: 1G4HP57129 customer complaining of abs/traction controll false activating mostly traction controll when starting from a stop. scan showed code c0035-0f L F speed sensor erratic.test drove while monitoring all wheel speeds and found left front jumps from 4 or 5 mph to... |
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| 2007 Chevrolet Impala LS 3.5L No Start, Cuts out, Stall VIN: 2G1WB58KX7 Im getting P0016 and P0172 codes. This Impala will intermittently stall and is very difficult to restart, if it sits a couple minutes it will start up and run fine until the problem occurs again. Fuel pressure is good-60 psi when this happens. Scanner show... Trouble codes: P0016 (CKP-CMP correlation), P0172 (Fuel trims rich) |
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| 2007 Chevrolet Corvette 6.0L Clutch VIN: 1G1YY26U57 Is there an easier way (shortcut)to pull the manual trans to do a clutch job, rather than the 11.8 hrs. Suggested by mitchell |
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| 2009 Chevrolet Impala LT 3.5L imput speed sensor VIN: 2G1WT57NX9 Vehicle came in with SES light on. Pulled code P0717.Tested sensor resistance and wiring,all normal.Tested for voltage out of sensor,has voltage with trans in neutral,scanner shows input rpm in neutral.Scanner shows no rpm on acceleration when in gear.Afte... |
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| 2009 Chevrolet Traverse LT 3.6L Rear upper control arm? VIN: 1GNER23D59 I haven't done alignments in years & never had the need to check this part of this particular type/model vehicle until now. Don't have another one close or I would satisfy my curiosity by comparing it. This is a FWD not an AWD. This is my moms & in spit... |
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| 2010 Chevrolet Traverse LT 3.6L Engine Misfire VIN: 1GNLRFED0A Customer brought vehicle in concern is "engine running rough" looked at scanner and we have codes P0300 and code P0304 Cylinder 4 misfire. Customer replaced all spark plugs and coils. Started diagnoses by swapping coil and plug from cylinder 4 to cylinder ... |
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| 1998 Dodge Caravan SE 3.3L Security System VIN: 2B4GP45G7W Hello fellow techs, this clean, low mileage Caravan came in with inoperative gauges. We traced it down to a bad BCM. We sourced a used one which I now know is a bad idea, even if your supplier states it came off a car without VTTS (Vehicle theft security s... |
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| 2002 Ford Explorer Sport 4.0L abs VIN: 1FMYU70E62 Thanks for checking my post. This truck stops and has good brakes all around. No sticking calipers as usually noted on this era Explorer. But it feels like the ABS is kicking in when braking and almost to a stop. Then it takes longer to stop which is the o... |
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| 2010 Honda Odyssey EX-L 3.5L crank no start VIN: 5FNRL3H67A 2010 Odyssey with 78k came in for a no start. We traced a battery draw to fuse #10 under dash. Pull the fuse and the draw goes away. The fuse is 7.5A and is for the SRS unit and ODS unit. I used to send airbag related work to the dealer, but we are now sta... |
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| 2002 Jeep Wrangler Sport 4.0L No Start VIN: 1J4FA49S32 Customer brought in this Jeep a few weeks ago complaining of a no crank condition and could hear a click. We could not duplicate and verified battery, and all connections were good. Voltage drop is good. Told customer it was likely the starter but could no... |
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| 2014 Land Rover Range Rover Sport HSE 3.0L Misfire, MIL Lamp on, High Idle @ start up VIN: SALWR2WF0E Customer states Check Engine Light is on, and very has very high idle when started. When the engine is cold started, idle revs over 3000 rpm and stays there for 20 seconds before going to 2000 rpm for a few seconds and then 800 rpm. Once engine is warm, th... Trouble codes: P0300 (Random Misfire detected), P0306 (Cylinder 6 Misfire detected), P2187 (System too Lean at Idle - Bank 1), P2189 (System too Lean at Idle - Bank 2) |
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| 2002 Nissan Maxima SE 3.5L Poor Idle Quality, Hesitation, Cuts out, Stall, MIL Lamp on VIN: JN1DA31D52 Vehicle came in with really bad hesitation, couldnt find the exact issue, so we sent it to the dealer and they recommended another motor, so we brought it back and ordered another used engine, while engine was out we replaced all the timing components, and... Trouble codes: P0011 (Int/v tim control b1), P0021 (Intake valve timing control b2) |
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| 2015 Volkswagen Jetta Hybrid SEL Premium 1.4L Transmission VIN: 3VW637AJ1F Calling out to VW & Audi techs experienced with DSG units. Just picked up this unicorn which has the 7-speed DSG transmission. Unicorn because its the ONLY VW sold in the USA with a 7-speed, but it is installed in many Audi models here. Car only has 2nd ge... |
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Fixes & Summaries for All Makes and Models
| Fix/Summary | Answers | |
| 2009 Buick Enclave CX 3.6L Misfire VIN: 5GAER13D09 Scan data showed CKP glitching. Scope pattern at CKP looked perfect. Scope pattern at ECM looked perfect. Borrowed ECM from another car in shop. Scan data showed clean pattern. Got a salvage yard ECM and all is good. Thanks to all that replied. |
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| 1997 Chevrolet K1500 Cheyenne 5.7L Unknown VIN: 2GCEK19RXV havent gotten the chance to doany further testing or work on the truck so i am closig this |
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| 2004 Dodge Ram 1500 ST 5.7L Passenger side half shaft VIN: 1D7HU18D74 Thank you all for your input. As I said on my update no matter what I found I was going to replace the axle stub shaft along with the CV half shaft. What I found when I took this apart was the splines destroyed on both of these so they needed to be replaced wh... |
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| 2004 Dodge Ram 2500 ST 5.9L Excessive Emissions, Misfire, smoke VIN: 3D7KU28CX4 hi group thanks for all the answers. i went with 6 hrs. that includes to replace all 6 injectors new ones from bosch and one new injector harness for cyl.1 the customer has after after marked extended warranty.i called them and they said the injectors are n... |
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| 2002 Ford F-150 King Ranch 4.6L camshaft gear to camshaft VIN: 1FTRW07672 first thanks for all reply's , problem was this was a pre 1998 engine not 2002 , the valve covers have more bolts in them that's how I found out , so the gears are pressed on , what I thought was a bolt is blank plug and held nothing , nothing moved like the c... |
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| 2002 Lexus LS430 4.3L No Start VIN: JTHBN30F02 I had forgotten to mention in my text that I had already disconnected the battery and held the ends of cables by jumper. The fix on this was to have customer bring me a key that didn't say 'ilco' on it. Factory key started the car. Thanx for all your sugge... Trouble codes: B2799 (Eng immobilizer syst code did not show on second scan), B1261 (Ecm communication stop), B1400, B1421 (solar sensor ckt passenger), B1424 (ditto driver), B1428 (ditto rear). |
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| 2006 Mazda 3 i 2.0L Starting VIN: JM1BK12F26 We let car sit for 5 days and it still started, so we put a new battery in it and told the customer that if they drove the car daily it would not be an issue n. They thought they could deal with that. Thanks for all the replies. |
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| 2011 Mercedes-Benz S600 5.5L Tires VIN: WDDNG7GB1B Never imagined there are so many of these balancers still in use today. Good to know that I'm not the only one with this issue and that it's the nature of this machine. Thanks for the replies. |
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| 2006 Subaru B9 Tribeca Limited 3.0L Poor Idle Quality, Misfire VIN: 4S4WX83CX6 Well, this one ended up being an issue. i`m assuming, with bad connectors on the coils. after checking for fire on coil wires, both at the #2 and using # 4 as a reference since i didnt have any diagrams, I put everything back together to take to a better equi... Trouble codes: P0302 (2 cylinder mis fire), P0305. |
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| 2003 Toyota Tundra SR5 4.7L Brakes VIN: 5TBKT44133 Thanks for all the input. It became apparent the vibration was from the front even though the steering wheel didn't vibrate in the normal way. We checked for rotor run out and thickness and was only slightly out. The vibration when the brakes warmed up was eno... |
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