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Professional Automotive Repair Technical Discussions for April 9, 2015 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for All Makes and Models
| Help Request | Answers | |
| 2002 Acura RSX 2.0L Communication VIN: JH4DC54812 While reflashing with Snap-on J2534 Pass Thru Pro, the reflash failed for no apparent reason. Did not lose power, we had a battery maintainer connected. The error message showed that the memory was erased successfully, but the write process failed. We sent the... |
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| 2007 Audi A6 Quattro 3.2L No Start VIN: WAUDH74F37 Car will start and run fine. If it is shut off and we try to restart the car it will crank but not fire. tachometer shows signals, fuel pressure is good. Engine light is not on, but codes are in system. If you leave car for 10 minutes it will start up again an... Trouble codes: P0562 (System Voltage to Low - Intermittent), P0687 (ECM Power Relay Control Circuit), 00955 (Key 1 - Lower Limit Exceeded - Intermittent), 02031 (Switch for Steering Column Adjustment), 02272 (Quiescent Current Stage 1) |
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| 2004 Chevrolet Aveo 1.6L MIL Lamp on VIN: KL1TD52654 these 3 codes p0300 p0700 91781 keep coming back as soon as you get to 20 mph we did the valve bulliten 05-06-01-030d and all where replaced with new seals. runs fine also speedo only reads half of speed going installed new speed sensor and did not change than... Trouble codes: P0300, P0700, P1781 |
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| 2010 Chevrolet Express 1500 4.3L Poor Idle Quality, Hesitation VIN: 1GCUGADX0A Hi guys. I have a new one iv not seen before. When van has warmed up, put in dr. It bougs down and starts pinging like bad fuel with a over heated eng. But it is not. Park or netral is fine. My load percent goes to 100.in dr. Idle is 30 percent load in park. V... |
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| 2003 Dodge Grand Caravan EX 3.8L Starting VIN: 2D4GP74L43 This van has a no crank condition. I am not getting a ground signal from the ecm to pin 85 at the starter relay. The problem is alldata does not provide much info on what the ecm needs to see in order to ground the control circuit for that relay. It does not p... |
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| 2005 Dodge Sprinter 2500 2.7L No Start, Cuts out, Stall VIN: WD5PD74475 Unit will stall after driving 20-30 minutes, crank but no start for about 10-20 minutes then start. This process happens repeatedly and has been happening more frequently. Had at another facility prior to us that said to replace cdi, cam sensor, repair wiring ... Trouble codes: P0305 (p1481), P0003 (c3700), P292E, U3112 (b0300), B0312 (p1354), P0414 (p0190) |
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| 2000 Ford Windstar SE 3.8L Poor Idle Quality, Misfire VIN: 2FMDA5247Y all the work so far,intake upper and lower, plugs, wires, 02 sensor b2s2,vacuum and pcv lines replaced has improved the situation - but - will cold start very rough like multiple misfires and gradually improve until closed loop then smooth some, then place in ... Trouble codes: 1504 (Iac) |
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| 2000 Ford Windstar SE 3.8L Poor Idle Quality, Misfire VIN: 2FMDA5247Y all the work so far,intake upper and lower, plugs, wires, 02 sensor b2s2,vacuum and pcv lines replaced has improved the situation - but - will cold start very rough like multiple misfires and gradually improve until closed loop then smooth some, then place in ... Trouble codes: 1504 (Iac) |
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| 2002 Ford E-350 Econoline Club Wagon XLT 5.4L Unknown VIN: 1FBSS31L42 With a load on the van the A/C blows hot in the front and the back when going up a hill. A/C works good on flat ground. Checked for vacuum leaks and all checked out ok. I also hooked up my pressure gauge and did a performance test ant the pressures all look go... |
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| 2002 Ford Focus ZX5 2.0L No Start VIN: 3FAFP373X2 Car towed in crank no start , no spark but injector drive no rpm on scanner data. timing belt good and on timing marks, found burned ignition driver wires to egr repair wires and do ford no start test. Test leads to replace ecm get used ecm and program. Still ... |
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| 2005 Ford Escape Hybrid 2.3L Parasitic Drain VIN: 1FMYU96H15 260 mA load at rest. Should be (50mA Car has signs of rust typical from Michigan type climate. What typically draws power at rest on these Hybrid Escapes? |
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| 2008 Ford F-250 Super Duty XLT 6.4L Overheating VIN: 1FTSF20R68 Truck came in with a leaking water pump replaced the pump pressure tested system found no leaks. Test drove truck through town no problems found. Customer returned with truck stating that on the highway the truck temp gauge started climbing almost to the red z... |
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| 2011 Ford Explorer Limited 3.5L ABS light on VIN: 1FMHK7F8XB At 49 mph ABS light comes on and sets code C003A and C0037 for incorrect rear wheel speed sensors on both rear wheels. Will not set lamp at lower speeds. Speed output signals continue to match front wheel sensors even after lamp comes on. This car has Park Ass... |
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| 2004 GMC Envoy XUV SLT 4.2L Misfire VIN: 1GKET12S24 Greetings All. This 04 Envoy is driving me nuts. When in overdrive at cruise, worse going up hill, you get what feels like a misfire. I have changed the plugs ( had Autolites, now AC), there are no codes, no misfire counts in history or live, all data looks no... |
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| 2007 GMC C5500 Topkick C5U042 8.1L allison trans VIN: 1GDE5E1G37 posting this for a friend. codes po848, 731, 762, & 751 set if try to move move before warm. shifts fine after 10 mins of running. PRNDL blinks & goes blank during warm up. anybody seen this. any ideas Alli |
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| 1998 Isuzu Rodeo LS 3.2L Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, Poor Fuel Economy, MIL Lamp on Vehicle came in with hesitation and rolling idle and stalling at times. C.E.L. is on with code p0101. Found that someone has replaced pigtail conn. to MAF and i verified correct routing. Found my fuel trims maxed at 23% both banks. Replace maf sensor and iac v... Trouble codes: P0101 |
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| 2006 Mazda 6 Mazdaspeed 2.3L boost pressure low VIN: JM1GG12L06 Mazda techs challenge: 2006 Mazda 6, 4 cyl turbo runs fine except for the boost pressure not reaching target values any more. It was pushing 13 psi easily now 10 max. No leaks, broken hoses found. No codes either. Turbo makes fluttering sound under load. Any a... |
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| 2000 Mercedes-Benz ML320 3.2L MIL Lamp on VIN: 4JGAB54E6Y This ML just started having an issue where the engine will start to miss and the mil will come on. I can shut the engine off and restart and it will run great until the next time. There does not seem to be a time factor. It has very good power and runs smooth ... Trouble codes: 300 (Random misfire), 302 (Misfire cyl 2), 304 (Misfire cyl 4) |
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| 2000 Mercedes-Benz S500 Guard 5.0L Electronic Suspension VIN: WDBNG75J4Y Need help from MB techs! Vehicle came in with airmatic inoperative. Hooked up to scan tool found front left sensor malfunction. Jacked vehicle up with floor jack (car is way too low to turn and drive into the shop on a lift) found front left sensor harness bro... |
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| 2005 Mercedes-Benz E500 5.0L egr VIN: WDBUF70J65 Any help from MB techs will be helpful. Throws p0400 fault code. Tested egr valve, holds vacuum. There's supposed to be intake manifold pressure sensor that controls egr flow but I can't locate it. Thanks in advance. |
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| 1992 Mitsubishi 3000GT VR-4 3.0L Hesitation, Surge, Cuts out VIN: JA3XEY4C2N car sat 5 years. towed in could barely keep it running . drained tank put more fuel and injector carbon cleaner in. no help pull intake replace intake man gasket do to a leak and replaced the plugs while there. replaced the fuel filter. also a couple of bad va... |
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| 2005 Mitsubishi Outlander LS 2.4L Overdrive VIN: JA4LZ31F55 Customer states RPM's on x-way are high. Found @ 60 mph rpm's are at about 2700 & @ 65 mph rpm's are around 3100. Watching Snap-On Verdict the od solenoid is never commanded on. It stays on OFF. There are no trouble codes in any module, the coolant temp reads ... |
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| 2006 Nissan Frontier SE 4.0L No Start, Stall, Misfire VIN: 1N6AD06W46 Hey, this truck was towed in as a no start. My tech. went out and got it started by applying a little accelerator petal, it was in a heavy multi cylinder misfire but cleared up and ran fine. we checked fuel pressure, scanned (one code P0300), checked spark plu... Trouble codes: P0300 (multi misfire) |
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| 1999 Subaru Forester L 2.5L Excessive Emissions, Poor Idle Quality, Stall, MIL Lamp on VIN: JF1SF6352X Custeomr brought car in with MIL on and complaint of hesitation and stall in the mornings when cold. Code p0170. csutoemr states that light came on and vehciel ran rough when on a dirt road, then went off a while later the light came on and stayed on. freeze f... Trouble codes: P0170 |
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| 2000 Subaru Forester L 2.5L No Start VIN: JF1SF6357Y vehicle towed in as crank no start. scan for codes. found cmp sensor code. test for spark and injection pulse. vehicle has injection pulse but no spark. replaced cmp sensor and on start of crank we get 1 spark from coil and then dead. checked power and ground ... |
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| 2007 Toyota Tacoma 4.0L MIL Lamp on VIN: 5TEUU42NX7 When I got vehicle it had two new rear Toyota sensors and one new Toyota A/F sensor. Still had code for p0138 and p0157. High volt b1s2 and Low volt b2s2. It had a new A/F sensor on bank 1. I switched front sensors and then rears to see if codes moved to oppos... Trouble codes: P0158 (B2s2 high voltage), P0137 (B1s2 low voltage), P0157, P0138 |
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| 2003 Volkswagen Jetta GLS 1.8L MIL Lamp on VIN: 3VWSE69M33 This VW came in with check engine light on and complaint of noisy engine.It had a P0011 for intake cam over advanced and a PO328 for knock sensor1,also PO333 for knock sensor 2.The engine sounded noisy under the valve cover at idle.The oil light never came on.... Trouble codes: P0012 (Intake cam over retarded), P0328, P0333, P1325 (knock control cyl 1), P1327 (knock control cyl 3) |
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Fixes & Summaries for All Makes and Models
| Fix/Summary | Answers | |
| 2005 Audi Allroad Quattro 2.7L gearbox Hello All,thanks for that reply,unfortunately is is a mechanical problem rather than diagnostic,these vehicles are rare and very expensive to repair so the customer decided to remove the vehicle. Thanks. |
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| 1994 Chevrolet P30 7.4L Front Brakes VIN: 1GBKP37N9R Thanks to all who replied- and some who took the time to follow up. I hadn't given the details of my SOP for machining rotors, which is pretty exact- we use an FMC lathe and the final cut is supposed to be less than 2 on the dial- preferred is 1 1/2, then a sw... |
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| 2005 Chevrolet Silverado 1500 LS 5.3L Poor Idle Quality, Surge, MIL Lamp on VIN: 2GCEK13T35 Kept looking for vacuum leak and watching fuel trims, brakes work good and feel good. Replaced o-ring on back of master cylinder same problem, replaced brake booster fixed problem fuel trims ok and no idle surge thanks for all the help. Trouble codes: P0171, P0174. |
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| 2009 Chevrolet Silverado 1500 WT 5.3L t-case VIN: 3GCEK13379 Thanks to all of you for the help. I will summarize this repair as well as possible. I wish I were savvy enough to get pics from my iphone onto IATN to show oscilloscope patterns. Anyway, I will say that the service manual diagnostic routine SUCKS! Very poor ... |
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| 2003 Ford F-450 Super Duty XL 6.0L fuel in oil VIN: 1FDXF46P43 Thanks for all your help guys. I would like the report that and aftermarket injester cyl #5 pass side 3rd one back was the culprit. Was found by adding a dye to the fuel filter then closing off fuel delivery to each bank narrowing it down then pulling the va... |
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| 2003 Ford Mustang 3.8L drivetrain VIN: 1FAFP40483 just wanted to say thanks for the replys after further investigation on the ford i found out that the motor has been replaced with the previous owner and the put the motor that didnt have the balance shaft in the motor so the motor was causing the vibration th... |
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| 2012 Ford F-350 Super Duty King Ranch 6.7L coolant VIN: 1FT8W3BT9C Everyone was right on! The little pipe and fitting on the turbo was leaking and now replaced and back together. Taking the plastic intake off made it possible to pinpoint the leak. The coolant ran down the valley out the back. Thanks everyone, these replies he... |
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| 2009 GMC Sierra 1500 SLE 5.3L Programming VIN: 3GTEK23M79 Our local machinist led me to LT1swap.com . Loads of information and where and what is needed. He also reprograms the pcm at a very reasonable price. Thanks to all for the info supplied. |
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| 2003 Honda Odyssey EX 3.5L Power Door Locks VIN: 5FNRL18673 Passenger multiplex solved this problem. The new one from Honda was bad, kept blowing fuses when I hit unlock, swap back to the old one, it doesn't work but doesn't pop fuse. Replaced with another multiplex, working flawless. Thank you for the help! |
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| 2008 Honda Odyssey Touring 3.5L front struts VIN: 5FNRL38998 thanks everyone who participated, the fix was a partially broken bump stop that was catching the inside edge of the dust boot. when you hit a small bump or bounce with help in the shop the noise was very noticeable but would have never thought that could cause... |
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| 2006 Kia Sorento EX 3.5L MIL Lamp on VIN: KNDJD73376 Thank you for the help all who replied. It was indeed a vacuum leak like many of you thought. I smoked it and found a broken vacuum line behind intake manifold. I feel like I should have checked this before I submitted a help request. Sometimes when I get too... Trouble codes: P0134 (Bank 1 sensor 1 no O2 sensor activity), P0154 (Bank 2 sensor 1 O2 sensor no activity). |
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| 2010 Mercedes-Benz GL550 5.5L power steering VIN: 4JGBF8GEXA The problem was a binding lower ujoint on the steering shaft where it connects to the steering gear. Disconnected the shaft from the gear, used external lube and worked the joint to full movement at all angles to free it up. Reinstalled and power steering is w... |
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| 2005 Volvo V70 R 2.5L Brake lights VIN: YV1SJ52775 A very big thank you to Brian [...] who explained how this works. The CEM does transmit the brake light signal to the REM. The output is pin A15 at the CEM which had no power on it with the brake pedal depressed. Since this is a vehicle I'll be driving... |
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