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Professional Automotive Repair Technical Discussions for April 4, 2016 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 2.0L low compression cylinder 4 VIN: WAUSF78K99 Ok guys this one is supper tough!! Originally car came in with missfire codes in cylinders 2 and 3. I measured compression and sure enough both cylinders were down to 70 psi. I did a leakdown test and it came back close to perfect so no leaks anywhere. I knew ... |
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| 2010 Audi A4 Quattro 2.0L Poor Idle Quality, Misfire VIN: WAUDFCFL4A Car came in with a miss fire at idle only off idle no miss swapped coils no change. new injector no change. leak test found exhaust valve leaking. removed head new #4 exhaust valve and lifters on #4. reassemble still missed pcv 1" on crankcase. timing chain wa... Trouble codes: P0304 |
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| 2011 Audi Q7 Premium Plus 3.0L MIL Lamp on VIN: WA1LGAFEXB check eng lite is on Trouble codes: P0011, P052A, P000A |
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| 1995 Chevrolet Blazer 4.3L No Start VIN: 1GNDT13W4S car stalls on freeway, cranks ok, no start. towed in to shop. Scope ckeck pass ignition and has rpm. fuel pressure low. Install new ac/delco pump. Start and run for 10 mins, and then dies out. fuel pressure 58 psi cranking, good compression, good spark. no fue... |
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| 2005 Chevrolet Cobalt SS 2.0L MIL Lamp on VIN: 1G1AP12P75 This car sets the P0017 upon startup, P0341 sets after second start. The engine was just rebuilt, I'm diagnosing for the machine shop. Before sending it they verified timing chain installation and replaced the camshaft positions sensor. Once here, I verified t... Trouble codes: P0017 (Cam crank coorelation), P0341 (Camshaft position sensor) |
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| 2007 Chevrolet Corvette 6.0L instrument clus VIN: 1G1YY36U87 ive got this corvette we replaced the engine and now the doors wont open from the inside or outside it will crank when you push the start button with out your foot on the brake and the instrument cluster wont come on and the windows wont go up or down we were ... |
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| 2012 Chevrolet Silverado 1500 LT 4.8L Misfire VIN: 3GCPCSEA7C Need you guys help please,the code is po300,can see cylinder 1 misfires in data stream on scanner, I have replace everything on that cylinder plug, wire, coil, injector, check compression 150 psi, also checked injector pulse, everything checks out good, but st... Trouble codes: P0300 |
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| 2005 Dodge Ram 3500 SLT 5.9L Bank 2 High/Low VIN: 3D7MR48C25 followed all trouble shooting steps for harness/injectors. ohm'd circuit from ECM connector, checked for short to ground on power and signal wires, checked injector terminals for short to ground. all tests were within specification. p2149 for bank 2 high/low .... |
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| 2005 Dodge Magnum SXT 3.5L converter VIN: 2D4FV48V35 Vehicle has a bad vibration in the driveline above 60 mph that is throttle sensitive. We removed the driveline to replace a loose center support and found the center u-joint to be stiff so we ended up replacing the driveshaft with a new unit. The upper differe... |
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| 2015 Dodge ram 6.4L Trailer brakes He has another truck that the same trailer works fine, he brought it in to me and we tested it. It's dual axles and the brakes worked on all 4 wheels. I did an ohm test on the brakes from the plug to ground and it measured 130 ohms. The dealer told him the t... |
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| 2005 Ford Ranger Edge 4.0L ABS Module VIN: 1FTZR15E65 Attempting to scan for codes initially found code p1414: electronic control unit system. verified powers, and grounds including; abs light, and red brake warning light. Replaced ABS module. New unit attempt communication Scan tool states "conditions not correc... |
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| 2006 Ford F-150 XLT 5.4L Excessive Emissions, Misfire VIN: 1FTPW145X6 truck came in with rough idle. no misfire or codes right side fuel trim is +26% at times and +18 other times? left side is 1/2 that but will increase with it. was looking at phasers and saw they were new along with chains guides solenoids and cam shafts. pulle... |
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| 2006 Ford F-250 Super Duty XLT 6.0L Gray smoke from tail VIN: 1FTSW21P86 Truck smokes while idling and on acceleration. Smoke out tail pipe is grayish / white. You can lightly power brake it at a stop light, will smoke initially then go away after about five seconds. Same on acceleration once at about 10mph will smoke and then go a... |
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| 2001 GMC Yukon SLE 5.3L Monitor wont run VIN: 1GKEK13T31 The vehicle is not running the air injection monitor. The vehicle does not give any codes or pending codes and has been driven over 20 miles a day for 3 weeks and the air injection monitor will not clear. The air pump runs, air is getting to the check valves a... |
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| 2010 GMC Acadia SLT 3.6L Poor Idle Quality, Stall VIN: 1GKLRMED4A This car was towed to me after sitting for 5 months at another shop. Replaced bad battery so no codes on arrival. Owner states that she was slowing down to turn into driveway and it started running bad and died, hard to restart then died. Won't idle for her. ... Trouble codes: P0336 |
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| 2011 Infiniti QX56 5.6L Oil Jet VIN: JN8AZ2NF8B Customer brought the vehicle in for a loud whining noise coming from the engine. We found that the noise is coming from under the timing cover. Found TSB ITB13-009a and have determined that the noise is coming from B2. My Question is that the special tool that... |
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| 2001 Jeep Wrangler Sport 4.0L No Start, No PCM communication VIN: 1J4FA49SX1 Vehicle was towed in for a non-start. Found it cranks and displays a crossed out key symbol on dash, which is lit solid not flashing. Tried to scan computer for codes, but have no communication. Checked 5v sensor circuit, had 4.5v. Unplugged all sensors and vo... |
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| 2001 Lexus RX300 3.0L Poor Idle Quality, Cuts out, Misfire, MIL Lamp on VIN: JTJHF10UX1 Vehicle towed in, will start and idle rough, but will stall upon putting it in gear. Can rev up a little and seems to improve as it warms, but still undrivable. Fuel trims pegged at end: long terms both at +35%. Has A/F sensors in front and one O2 for cat. O2 ... Trouble codes: 171 (Bank 1 lean), 174 (Bank 2 lean), 300 (multiple misfires detected) |
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| 2002 Mercedes-Benz S430 4.3L Suspension VIN: WDBNG70J32 i have this mercedes with the codes c1322 c1323,and c1517 vehicle level rear axle critica,ichecked for leaks in the whole system from the valve body to the struts, and unles is internal or intermittent, i dont see any leack need some help please, it does not d... |
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| 2007 Mini Cooper 1.6L MIL Lamp on VIN: WMWMF33547 @83d-vanos exhaust adapt ion stop, please see previous work had had timing chain and guides, all alignment is correct have cleaned and swapped vanos solenoids but still getting this one code. any help appreciated, alldata and Identix do not have clear info on ... Trouble codes: 283D |
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| 2005 Nissan Maxima SL 3.5L NO Spark- NO Pulse VIN: 1N4BA41EX5 This engine was replaced, I do not know how long ago. Car cut out of the high way and has a crank no start condition. Because is not spark and pulse signal I did replaced the ECM and reprogrammed. Now I do have About 200 RPM while I'm cranking, a good crank in... |
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| 2007 Nissan Maxima SL 3.5L no start VIN: 1N4BA41E27 Hello Techs, This maxima has an intermittent no start condition. Only pattern seems to be a restart condition when it acts up, usually initial start on each day is ok. Customer drives vehicle 5 miles, comes out 5 mins. later and just cranks normally, may stu... |
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| 2004 Porsche 911 Turbo 3.6L Hesitation, Cuts out, Misfire, wont scann VIN: WP0CB29924 Car has a problem with running rich as well as will bog and sputter under boost and misfire on mostly cyl 1 2 3 and sometimes 4. It will also have a choppy idle and occasionally stall. My main problem is that the car will not read while running at all it just ... Trouble codes: P0300 (Random Miss), P0301 (Miss Cyl 1), P0302 (Miss Cyl 2), P0303 (Miss Cyl 3), P0304 (Miss Cyl 4) |
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| 2003 Saturn Vue 2.2L no shift, no communication to ecm/tcm VIN: 5GZCZ33D33 Another shop dropped this one off saying car dealer requested transmission. so we swap the transmissions out. finished job, fired right up and test drove. NO SHIFT. service engine light on. plugged in scanner and error. tried other scanner. error. automatic se... |
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| 2011 Scion xB 2.4L compressor VIN: JTLZE4FE1B car came in because high side hose had a hole in it and customer had been driving it for a year like this. replaced parts listed. Now ac does not engage. Have checked fuses, all good. Scanner will not communicate with ac module. Power train module says cannot ... |
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| 2011 Toyota Tacoma 4.0L Dash Lights On Intermittently VIN: 3TMMU4FNXB came in with dash lights complaint. ABS, BRAKE, TRACTION CONTROL, on intermittently then stayed on. Codes c0215 , c1246, master cylinder sensor and left rear wheel sensor, check connections cleaned and checked fluid and cleared codes and sent on the way. ABS a... |
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Fixes & Summaries for All Makes and Models
| Fix/Summary | Answers | |
| 1987 Buick Regal GNX 3.8L Mechanical VIN: 1G4GJ1177H "The BUiCK Stops Here". Quite well, actually. This was my main concern. Would it work after I went to all the trouble fitting it to the car? The job wasn't as bad as it first appeared, once I pulled the old M/C and the firewall adapter bracket off. The new H/B... |
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| 2002 Buick LeSabre Custom 3.8L No Start VIN: 1G4HP54K02 Hello thanks to everyone who replied, this had two problems, one was the upper intake ( plastic,) leaking inside, The other was the fuel, we tested it and found out way to much alcohol in the fuel. We are in the farm belt and this is the second one we found th... Trouble codes: P0107, P1107. |
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| 2007 Chevrolet Silverado 2500 HD LT 6.0L No Crank VIN: 1GCHC24K17 OK thanks for all the Input... Since the Majority said still needed to go to TIS Web to Program it, I paid for the 2 Day and Programmed the BCM and the truck started right up with no Communication issues... AllData just said to do the SDM, and the last 3 BCM ... Trouble codes: U0140 (Loss of Communication with BCM in TCM and ABS module After New BCM installed). |
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| 2012 Chevrolet Cruze LT 1.4L MIL Lamp on VIN: 1G1PF5SC8C This car ate our lunch. With everything hooked up, the pressure sensor would read a vacuum -.787. The purge valve would start clicking like crazy. We took the filler neck off while running and the sensor would read the same. We think the computer had a mal... Trouble codes: P0496 (Evap Purge). |
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| 2008 Dodge Ram 1500 SXT 5.7L etc. VIN: 1D7HU18218 To fully explain I had balanced both sets of tires and tried with both sets on the truck. Drove truck with rear driveshaft removed. Drove truck with front half shaft removed in 2wd (therefore transfer case is not engaged and the front drive shaft is not turnin... |
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| 2010 Dodge Ram 1500 SLT 4.7L abs VIN: 1D7RV1GP5A Sorry for the delay in closing. Found a pigtail had been wired in previously and the wires were reversed causing this issue. Thanks for all suggestions! |
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| 2003 Ford F-150 King Ranch 5.4L Battery VIN: 1FTRW08L73 WELL - HAD 3 HOURS IN IT AND CALLED IT . NO MONEY TO BE MADE. HE AS AT THE DEALER BEFORE US AND THEY TOLD HI THEY CANT FIND IT EITHER. OWNER SAID TO GET IT OUT . WAS NOT DOOR SWITCH ,BRAKE SWITCH, FUSE BOX, ALTERNATOR. ALL KNOWN ISSUES. REPLACED GEM MODULE SO... |
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| 2006 Ford Freestyle SE 3.0L alternator VIN: 1FMZK01146 Is Fixed!!!. Thank you every body. The voltage drop test show the problem in white black wire, I did over look the connector needs to be plugged. Rafael |
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| 2007 Ford F-150 XLT 4.6L Misfire, MIL Lamp on VIN: 1FTRX14W27 Thanks everybody for your replies.I have tried all recommendations in the ten replys I received.I found 0 compression on #3 cyl.ASthe engine had almost 200k miles the customer decided to have me install a used 100k mi. eng with complete wire harness.After inst... Trouble codes: P0174, P0446, P1000, P1233. |
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| 2011 Ford Explorer Limited 3.5L Mechanical VIN: 1FMHK8F86B First I very sorry for my poor english sorry again And I decide to not drill another holes Cleaned valve cover and instaled new PCV valve Cleaned intake boot And advised customer for need future repair |
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| 2003 GMC Sierra 1500 SLE 5.3L unknown driver VIN: 1GTEK19T23 thanks to all who responded with helpful information. i was very flustered as i posted because i needed to use it to take a trip the next morning. still i had already checked and rechecked the basics. all fuses were checked for continuity. i did not check for ... |
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| 1996 Honda Civic DX 1.6L heater VIN: 2HGEJ6342T Thanks to everyone who replied. Because of many other responsibilities I have not fixed the car but I will tell you what I have learned. Following the advice of Larry Carley I installed 1/2 bottle of Bar's Leaks Liquid Aluminum (BLLA)(Note this product is com... |
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| 2007 Mercedes-Benz CLK63 AMG 6.3L Poor Idle Quality, Misfire VIN: WDBTK77G87 Shortly after posting this, my boss decided to back out of it and refer the customers to the dealer. I really do think this one was nailed by Dave from California, who mentioned that this AMG motor is actually AMG built, not Mercedes built. He mentioned ther... Trouble codes: P0300, P0301, P0302. |
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| 2006 Mitsubishi Eclipse GT 3.8L Lighting VIN: 4A3AK34T16 Customer decline for more diagnostic time due to money issue. |
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| 2007 Nissan Xterra X 4.0L Stuck In 4th VIN: 5N1AN08U07 After being at the nissan house, they said the tcm was programmed, but the receipt said without program. I will be putting a torque converter in it. high rpm jump to 2500 on take off with a whine. possible stator bearing out. |
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| 2008 Nissan Rogue SL 2.5L blower motor VIN: JN8AS58T28 i have gone back and checked grounds wich were fine. i also tried swapped around the wiring to the fan motor and found that it was wired correctly to begin with. rechecked for the fifth time to make shure the inlet and outlet air to the heater box is not bloc... |
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| 1996 Toyota Celica GT 2.2L Cuts out, Stall, MIL Lamp on VIN: JT5FG02T2T Thanks for your help. I put another ecm in this car @ the problem is fixed once again. Like some replies said i believe another componet may be affecting the ecm but i was told by the powers that be to put the ecm @ ship it. We will see how it does this time ... Trouble codes: 1300 (igniter circuit). |
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