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Professional Automotive Repair Technical Discussions for June 10, 2016 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for All Makes and Models
| Help Request | Answers | |
| 2010 Chevrolet Silverado 1500 LS 4.8L Poor Idle Quality, Misfire, MIL Lamp on, misfire cyl 1 4 7 6 VIN: 3GCPCSEA1A we have checked all possible failure modes 1 sparks plugs ok 1 cop all ok swaped abba alwasys cyl 1 4 7 6 checked heads checked valves this engine does no have vlom manifold no cut out coils need help we have tried almost everything checked wire harness to p... Trouble codes: P0300 |
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| 2012 Chevrolet Camaro LS 3.6L MIL Lamp on VIN: 2G1FA1E37C Vehicle came in for MIL light on and running rough. Had a random misfire code, evap code and then these two. Misfire and evap are taken care of. But these two codes keep coming back. I cannot find any information on these two codes. Alldata does not even list ... Trouble codes: P0099 (Intake air temperature iat sensor 2 circuit intermittent), P114C |
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| 2014 Chevrolet Impala Limited LTZ 3.6L cooling VIN: 2G1WC5E32E The customer complains sometimes there is no cooling or hot air coming from vents. Blower is blowing correctly. Also found the AC pressures were 381 psi high side on a 109 degree day, and the cooling fans were on high. This car has manual AC with dual controls... |
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| 2015 Chevrolet Silverado 3500 HD LTZ 6.6L trl brakes What is working well to test the trailer brakes on the 2014 and newer chev 3500 duramax trucks. Currently using a trailer board with an incondescent light on the trailer brake circuit. Works good with the 2013 and older trucks but comes up on display "check tr... |
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| 2003 Dodge Ram 3500 5.9L can bus VIN: 3D7LU38C63 This truck will start for 3 seconds then die. There are vin mismatch codes. My I-Flash will not communicate when I try to correct the vin. The scan tool will communicate with all the modules. There is a code in the ECM P1652 comm bus shorted. So I thought that... |
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| 2000 Ford Mustang 3.8L Evaporate small leak VIN: 1FAFP4442Y I got a blue point smoke machine. With my Verus pro I run the evaporate test and it stops, saying won't hold vacuum or inoperative canister vent sol or canister purge valve. I can watch ftp sensor voltage drop during the start of test to 1.90 volts then slowly... |
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| 2008 Ford F-350 Super Duty XL 6.4L Stall, MIL Lamp on VIN: 1FTWW31R88 I am experienced with ford 6.0 and 7.3 engines, but the 6.4 is new for us here. The issue is as follows. Most the time you can start the truck and after approx 20-30 seconds of idle it will just instantly stall, sometimes it will start right up, sometimes you ... Trouble codes: P0605, P2610 (Ecm internal engine off timer performance), P062E, P062D, P2291 (Injector control pressure too low - engine cranking.), P0148 (Fuel delivery error) |
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| 2002 GMC Envoy SLE 4.2L Misfire VIN: 1GKDS13S22 Seen TSBs one about water intrusion. What do you think about these coils? Epoxy looks melted. One coil looks new, but when I asked about svc history he said, "Uhh... I don't know." Tried to put a sync probe on along with my amp clamp, but this intake design ma... Trouble codes: P0300 |
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| 2008 Hyundai Santa Fe Limited 3.3L Starter VIN: 5NMSG73E98 This suv was in last year with a complaint of noise on start up but we could not duplicate. At the time we were thinking belt or bearing on pulleys. Last week it came in and we let it sit and found that when first started cool the starter is not disengaging an... |
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| 2005 Mazda 6 S 3.0L MIL Lamp on VIN: 1YVHP80D15 Good morning! This car has been giving me some trouble getting it fixed and I'm hoping someone's seen this before. Code P0022(bank 2 over-retarded) keeps reoccurring. Tested the cam timing solenoid and resistance is good and solenoid moves when actuated but ti... Trouble codes: P0022 |
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| 1987 Mercedes-Benz 300SDL 3.0L No Start VIN: WDBCB25D1H Need advise Diesel Benz techs out there, this 300sdl won't start after sitting overnight. Cracking the lines @ the injectors shows small amounts of diesel fuel w almost no pressure... If I use some starting fluid it starts fine and runs fine all day; but letti... |
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| 2010 Mini Cooper 1.6L Misfire VIN: WMWMF3C54A Vehicle came in had check engine light on and running rough with misfires, replaced coils, spark plugs and no change, was still running rough and misfiring on cylinder four. Check timing and found that the upper chain guide was broken and out of time. Replaced... Trouble codes: 1781 (Combustion misfires several cylinders), 2779 (Combustion misfires cylinder 4) |
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| 1991 Porsche 911 Carrera 2 3.6L Engine VIN: WP0AB2964M Car was towed into the shop after sitting for 1.5 years.(According to client "It ran OK when I parked it. Now the starter is locked up") We found the engine to be hydro locked. We pulled spark plugs and found the plug on number one cylinder to be oil soaked. T... |
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| 2003 Volkswagen Beetle GLS 2.0L fuel door VIN: 3VWCK21Y83 We have an inop gas door, actuator does not get power, No power at door switch, no broken wires in door hinge area, can not find relay listed in 13 relay panel (hole is empty). Fuse # 38 is ok with power. Any help would be appreciated. |
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Fixes & Summaries for All Makes and Models
| Fix/Summary | Answers | |
| 1998 Audi A4 1.8L Misfire VIN: WAUBB28DXW Robert , Robert , Dan and Mitchell thanks a load! I replaced the ignition coil module and problem is gone! I have checked injector waveform and it never changed during misfire.Except to increase slightly. I did not know this even had a module for the coils. I ... Trouble codes: P0302 (Misfire cylinder 2), P0300 (Random misfire), 18014 (rough road specification engine torque abs-ecu electrical malfunction). |
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| 2009 BMW 328i 3.0L MIL Lamp on Thank you all for the replies. The other shop took the car back and I did not get enough time to diagnose further. I would like to have smoked the crankcase as Gerald suggested... like I said I had already performed a smoke test thru the intake and found no le... |
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| 2001 Buick LeSabre Custom 3.8L MIL Lamp on VIN: 1G4HP54K51 I ended up having this vehicles twin come in for a smog that only had 40k on it so I took that opportunity to trade the smog for getting a full relm of data from the vehicle, I was able to verfiy that my engine vacuum at m=our altitude was good and map reading... Trouble codes: P0401. |
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| 1998 Chevrolet S10 LS 4.3L Surge, Cuts out VIN: 1GCCS19X7W THANKS TO ALL WHO REPLIED. PROBLEM WAS INTAKE AIR TUBE FROM TROTTLE BODY TO MAF WAS CRACKED ON THE BOTTOM OF THE TUBE AND UNDER HARD LOAD WOULD FLEX ENOUGH TO OPEN UP AND MAF WOULD GO CRAZY. RAN TRUCK WITH MAF UNPLUGGED TO NARROW PROBLEM TO THAT AREA. THANKS A... |
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| 1999 Chevrolet Silverado 1500 5.3L shifting VIN: 2GCEK19T7X This one is definitely an internal issue. I built my own tester based on the one here: Switching both solenoids on, it is in 4th. Solenoid a off, and b on, it is still in 4th. Both solenoids off, it is in 3rd. Switchi... |
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| 2005 Dodge Durango SLT 4.7L Starting VIN: 1D4HD48NX5 All test performed lead me to the I.P.U (Integrated Power Unit)and the F.C.M (Front Control Module). Removed the unit and separated the I.P.U and F.C.M and found corrosion in the connector, disassembled the I.P.U and found corrosion inside. Cleaned all corrode... |
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| 2006 Dodge Grand Caravan SXT 3.8L Unknown VIN: 2D4GP44L36 Many said to inspect for something on the exhaust which I had done and there was nothing. I also took apart the blower motor resistor to inspect and it was in great shape, no discoloration or hot shots. I also inspected the alternator even though I had replace... |
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| 2007 Dodge Sprinter 2500 3.5L Starting VIN: WD0PE74607 I called Mercedes Dealer & I got the ignition switch it was under $500, install the new switch & re-program it, truck starts right a way. Thanks for all the help |
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| 2001 Ford F-450 Super Duty Lariat 6.8L No Start VIN: 1FDXF46S61 I cleaned all 4 ground locations on this vehicle and still same issue. So I decided to toss the pcm in the freezer as this trick has never failed me if it's a cold solder joint as I suspect. Now the truck si 100% a no start what so ever after only being in the... |
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| 2011 Ford F-350 Super Duty King Ranch 6.7L MIL Lamp on VIN: 1FT8W3BT8B Thanks for the help. I replaced the DEF heater sender assembly and truck runs better with no codes anymore. The assembly from Ford was cheaper than a Dorman part. Trouble codes: P20BA, P00E8, P00B9. |
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| 2009 Kia Sportage LX 2.7L manual climate control system VIN: KNDJE72359 Thank you all for the replies. This vehicle is fixed but not without a story. As many suggested, we did test the evaporator temp sensor and it was within specifications. This customer had just graduated from the Naval Academy and was assigned to be stationed i... |
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| 1999 Mercedes-Benz CLK320 3.2L Convertible Top VIN: WDBLK65G6X Thank you, this one is repaired. Thank you Levi for the part numbers. You were correct, we were about to order the wrong parts! The right front bow cable was broken and the left was stretched so the top was missing the limit switch intermittently as the rear b... |
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| 2003 Pontiac Grand Prix SE 3.1L Hesitation, Stall, MIL Lamp on VIN: 1G2WK52J53 I went back in and found a loose connection where the 12x Sensor is plugged in above the oil filter. There are 2 sensors one on the harmonic balancer and another in the middle of the back of the block. Its running with no light at this time. Trouble codes: P0336. |
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| 1999 Volvo V70 2.4L Poor Idle Quality, Surge VIN: YV1LW55AXX Thanks for all your input. As for the one that is against used parts, This car is not worth the cost of a new unit. Also the unit I found was only 3 years old.I did find a company that would sell remans already coded. However I could not get into old unit find... Trouble codes: 532D, 903F, 913F, 900E. |
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