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Professional Automotive Repair Technical Discussions for March 7, 2018 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for All Makes and Models
| Help Request | Answers | |
| 2009 BMW X5 xDrive48i 4.8L Poor Idle Quality, Poor Idle Quality, Poor Idle Quality VIN: 5UXFE83509 Replaced the rocker cover gaskets after completing the job the vehicle has a misfire on cyl # 8 ii replaced the coil and sparkplug check for vaccum leaks and injector operation all good i dont have a suitable scan tool suitable for this job the only code t... Trouble codes: 2B2E |
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| 1996 Cadillac Fleetwood 5.7L a/c clutch VIN: 1G6DW52P5T hey techs; the a/c clutch will slip and chatter for just a second on the first engagement of the day and then work fine, locks up no chatter or anything at any engine speed, the rest of the day. you can see the clutch slowing down but it never stops whe... |
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| 2010 Cadillac Escalade ESV 6.2L No Start, Poor Idle Quality, Stall, MIL Lamp on VIN: 1GYUKHEF2A From everything I can see, we have a very expensive cut and dry fuel pump problem that we rectified as evidenced by the fuel pressure tests and Fuel rail pressure signal on the Solus Edge. Same symptoms however of crank, no start or sort of runs rough then... Trouble codes: P0449 (Canister Vent Control circuit) |
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| 2004 Chevrolet Silverado 1500 LS 5.3L All Gauges, Prndl,Shifter VIN: 2GCEC13T44 I have a 2004 Silverado that has a weird intermittent cluster issue. When the truck is started after sitting for at least 3 hours and after 5 seconds of run time, the gauges and prndl will do dead and power back on as the shifter handle is pulled (column shift... |
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| 2008 Chevrolet Tahoe LTZ 5.3L Transfer Case VIN: 1GNFK13068 Please help this tahoe 4 wd is inop,it had faults c0321 range actuator short to battery, b0790 transfer case neutral range indicator control circuit short to ground or open c0569 system configuration calibration not learned. The encoder motor has been replaced... |
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| 2015 Chevrolet Silverado 1500 LS 4.3L Misfire VIN: 1GCNCPEHXF Hi all I have this Silverado with a P0335 also no tachometer signal. Customer had the crank sensor replaced to no avail. I have 5 volt at the sensor and 0.28volts return. I did a continuity test and all three wires ohmed good. By the way the sensor was an ... Trouble codes: P0335 (Crankshaft Position Sensor) |
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| 2004 Ford F-150 FX4 5.4L Poor Idle Quality, Misfire VIN: 1FTPW14524 i have a misfire on cylinder number 3 at idle only. compression is same across all the cylinders. moved the injector to another cylinder misfire still on cylinder # 3. idles rough. any help will be appreciates |
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| 2004 Ford F-150 FX4 5.4L Poor Idle Quality, Misfire VIN: 1FTPW14524 i have a misfire on cylinder number 3 at idle only. compression is same across all the cylinders. moved the injector to another cylinder misfire still on cylinder # 3. idles rough. any help will be appreciates |
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| 2014 GMC Terrain SLE 2.4L Hesitation VIN: 2GKALREK7E We have a bad sensor here and need to replace the accelerator pedal. Book only calls for 1.2 hours. Can not get the bolts out due to the heater box being in the way. Wanted to take the bracket off but it doesn't look that will work either. Can anybody t... Trouble codes: P2122 (APP Sensor), P2122 (APP Sensor) |
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| 2007 Hyundai Tucson GLS 2.0L MIL Lamp on VIN: KM8JM12B77 hello to all friend in orange county california !i need to pre program ecm for huyndai and kia any one know a good guy i call 2 diff guy but they donot do have software for that kind of veh ! tnahk you for your help ! |
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| 2005 Kia Spectra EX 2.0L Alternator VIN: KNAFE12205 Customer complains of flickering h-lamps sluggish start. Tested battery voltage running only 12.6 volts running with everything turned on. Plugged scan tool in it reads 12.5 to 13.5 different than at battery.power at black/orange wire on alt 9.8 volts. Pow... |
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| 2007 Lincoln Navigator Ultimate 5.4L insrument cluster guages VIN: 5LMFU28507 This truck was brought in with customer having problems where truck would sometimes not crank and when that would happen all gauges and dash lights on cluster would not come on. Intermittently the cluster would light up and truck would start and run fine b... |
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| 2014 Mercedes-Benz C250 Sport 1.8L engine VIN: WDDGF4HB2E Vehicle throws p017222 for fuel trim, gradually throws misfires for all cylinders. Ive smoke tested intake,checked exhaust back pressures all within spec. Its over fueling as long term fuel trims spike over 1500 to -19.5% while short term will go -10% but ... |
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| 1990 Porsche 944 S2 3.0L AC blows warm at times VIN: WP0CB2945L **ac is blowing ice cold from the vents- then intermittently it goes warm for about 30 seconds, then goes ice cold again? i think i have a control head issue? ( control to vacuum solenoid for heater valve not being applied at times?) anyone had any experie... |
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| 2015 Ram 1500 Laramie 3.0L MIL Lamp on VIN: 1C6RR6FM9F This truck was brought in with P0401-00, EGR system performance, been to the dealer twice now he wants me to look, can't get it to put the light on at the shop but give it back to the customer and 2 days later he says the lights back on, I've check the sys... Trouble codes: P4010 |
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| 2006 Toyota RAV4 Limited 2.4L MIL Lamp on VIN: JTMBD31V86 Vehicle runs OK. Codes reset consistently. On road test A/F ratio sensor(B1S1) seems to fluctuate above & below 3.3V on accel. or deccel. & close to 3.3V on steady throttle. O2 sensor(B1S2)will fluctuate on accel. & deccel. but stays at .8V with no change ... Trouble codes: P0136 (Oxygen sensor circuit malfuntion B1S2), P0138 (Oxygen sensor circuit High Voltage B1S2) |
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| 2010 Toyota Tundra 4.6L MIL Lamp on VIN: 5TFUM5F15A Toyota presented with P2440 1UR-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: Secondary Air Injection System Switching Valve Stuck Open Bank 1 Note the P2440 is devastating because for some reason Toyota puts the vehicle in LIMP MODE when it sets!!! Truck runs ... Trouble codes: P2440 (Secondary Air Injection System Switching Valve Stuck Open Bank1) |
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Fixes & Summaries for All Makes and Models
| Fix/Summary | Answers | |
| 2011 BMW 328i 3.0L No Start THANKS TO ALL THAT REPLIED CHRIS WAS DEAD ON THE VANOS BOLTS ARE BROKEN ON THE INTAKE CAM THE CUSTOMER IS GOING TO TAKE CAR TO DEALER THANKS AGAIN IATN FOR YOUR HELP RUSSELL Trouble codes: 2A82, 2A82, 2A82, 2A82, 2A82, 2A82. |
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| 2009 Cadillac Escalade EXT 6.2L Stall VIN: 3GYFK22299 My scanner wouldn't show any fuel pump module pids, even in Generic OBDII. So I checked voltage at the pressure sensor while bleeding off pressure with my gauge and the voltage dropped as pressure dropped, so the sensor is good. I then located the module on th... Trouble codes: P069E. |
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| 2007 Chevrolet Silverado 1500 Classic LS 4.8L unknown VIN: 2GCEC13V67 Customer took vehicle and replaced brake booster a second time and that fixed it. Customer said m/c mounting flange to the push rod measured 1 3/8". The replacement booster measured 1 1/4". Just an 1/8" made the difference. Thanks for all the help. |
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| 2006 Hyundai Sonata GLS 3.3L intake valves VIN: 5NPEU46F86 Got a borescope and looked into num 6 cylinder...looks like valves tuliped compared to num 5 cylinder. Customer declined engine repair. Thanks for the responses. |
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| 2004 Mercedes-Benz SL500 5.0L Abc VIN: WDBSK75F84 We took it to our neighbor and had him try to program it with his Mercedes computer. He got it done after 3 trys. It was just a stubborn vehicle. I did a 05 CL500 today and my Maximus 2.0 worked great. Sometimes you're the windshield, Sometimes you're the bug.... |
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| 2008 Mercedes-Benz ML320 CDI 3.0L Charging VIN: 4JGBB22E78 after further testing we fond lots of water in the right rear quarter panel where the fuse box and the rear sam located is soaked with water especially the rear sam , install new rear sam module and reprogram it all good now , we need to investigate where the ... |
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| 2008 Volkswagen Passat lux 2.0L Misfire, Misfire VIN: WVWTK73C98 First of all thanks to all that responded as you made this a less of a burden. The final repair was to pull the intake and decarbonize the valves, which I did with soaking the intake valve with them closed (cylinders 1&4 and 2&3) by putting motor vac cleaner o... Trouble codes: P0302 (cylinder 2 misfire). |
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