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Professional Automotive Repair Technical Discussions for April 9, 2016 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for All Makes and Models
| Help Request | Answers | |
| 2005 Chevrolet Astro 4.3L Misfire I'd like to thank you all in advance! Problem I'm having is a P0300 that keeps returning . Fuel trims were high , found a vacuum leak (fixed) checked misfire data found cyl#2 has a high counts and noticed misfire counter would go from normal to invalid and co... |
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| 2008 Chevrolet Silverado 2500 HD WT 6.0L Electronic VIN: 1GCHK24K88 In tow/haul mode this truck rpms will go up to 5500 rpm before it will shift to the next gear this happend 6 months ago there were no codes and all sensor readings look fine and it is not comanding the next gear and it shift perfect when the tow mode is not se... |
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| 2010 Chevrolet Traverse LT 3.6L No Start, Cuts out, Stall VIN: 1GNLVFED6A The engine and transmission were removed for timing chain repairs. The job was completed and the engine started and ran well. On the first test drive the engine stalled while the door locks cycled and the instrument cluster needles swept. The engine restarted ... Trouble codes: U0100 (Lost comm w/ ecm/pcm EBCM), U0073 |
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| 2011 Chevrolet Traverse LS 3.6L abs VIN: 1GNKVFED4B hello again. i have this traverse that throws a c0252 vses sensor uncorrelated on my tech 2. alldata is pretty vague in the diagnostic procedures. can anyone just give me more info? on this code.also it still throws a c0045 left rear speed sensor circuit with ... |
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| 2003 Dodge Ram 2500 5.9L Poor Idle Quality, Surge, Stall, MIL Lamp on VIN: 3D7KU28653 Truck came into shop with stalling issue but would always restart. So scanned it and came up with code p0088 fuel press to high . So went to data and at idle I have 26000 psi so I started testing the sensor unplugged at pin 3 I had 5 volts . Good sensor ground... Trouble codes: P0088 (Fuel press to high) |
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| 2007 Dodge Dakota ST 4.7L Inst cluster VIN: 1D7HE22P07 Friends of Chry. Co Good Times! I'm working on a 07 Ram 1500 with a 4.7, it's on a used car lot so no history is available. The CNN was completely dead. I installed a used one now everything works but the shift indicator is erratic sometimes all the PRNDL ligh... |
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| 2008 Dodge Magnum SXT 3.5L alternator VIN: 2D4FV37V98 One for you Iacocoa afficianados. Got this 08 Magnum 3.5 can't get the alternator to charge. Alternator replaced 3 times before I got to it. Only three wires to alternator. Output to battery, field circuit from pcm to alternator and sense wire from alternator ... |
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| 1998 Ford Expedition Eddie Bauer 5.4L power source VIN: 1FMPU18L9W This expedition will constantly crank & stop, crank & stop, even with the key out of the car. At the same time the lights in the lower right of the cluster related to the drive line status (4x4on etc.) constantly flash as does the under hood light & all the re... |
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| 2006 Kia Sportage EX 2.7L Misfire VIN: KNDJF72366 Code p0340 keeps coming back Trouble codes: P0340 |
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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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| 2003 Saab 9-5 Aero 2.3L Poor Idle Quality, Misfire, MIL Lamp on VIN: YS3EH59G83 Engine ran perfect, idle etc. Replaced head gasket due to oil leak. Now engine idles rough, occasional miss at idle. Engine runs well off idle, drives down road well. Engine at idle is rough, feels like out of time. Have rechecked cam timing and marks do not l... Trouble codes: P0300 |
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| 1998 Volkswagen Beetle 2.0L Poor Idle Quality, Hesitation, Misfire, MIL Lamp on VIN: 3VWBB61C8W came in with big time misfires on #2. replaced coil pack due to broken tower for #2, plugs and wires...no help.have spark and #2 injector is firing. compression on #2 is 190 psi.both o2 sensors showing crazy stuff B1S1-EOEO B1S2 E0E40??? any direction greatly ... Trouble codes: 0300 (Random misfire), 0302 (Cylinder 2 misfire) |
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Fixes & Summaries for All Makes and Models
| Fix/Summary | Answers | |
| 1999 Chevrolet Blazer 4.3L Misfire Well, it is fixed and we have an explanation why there was a miss even after replacing lifters and restoring compression! I measured valve lift and they were all essentially the same. Just for fun I was going to measure resistance of the injectors and saw a pi... Trouble codes: P0300. |
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| 2004 Chevrolet Monte Carlo SS 3.8L Inj Pulse VIN: 2G1WZ121X4 FOUND NO PROBLEMS IN HARNESSES 3X SCOPED GOOD . WENT TO MITCHELL AND FOUND A HYPER LINK OF FIXES AND ONE WAS A TECH UNPLUGGED THE MAP SENSOR AND RECOVERED THE INJECTOR PULSE SO I UNPLUGGED THE MAP BARO SENSOR AND I HAD PULSE REPLACED THE SENSOR AND ALL IS WELL |
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| 2009 Dodge Journey SXT 3.5L head gasket VIN: 3D4GG57V39 Thanks for all the proper feedback guys. Cars fixed and outta here. No it didnt overheat, no im not going to recommend a reman motor. Yes you can pull the heads w the exhaust manifolds still on. The cam bolts can stay on the heads and slide the cams back to ge... |
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| 2004 Ford Ranger Edge 4.0L No Start VIN: 1FTZR45E74 Well I decided to pull the right valve cover and found the chain loose most likely jumped time we are going to pull the engine and replace the chains if it passes a leak down test otherwise we will be doing a complete rebuild. Thanks again to all the responses... |
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| 2002 GMC Sierra 1500 HD SLE 6.0L Misfire, MIL Lamp on VIN: 1GTGK13U32 Just a simple mix up on the running of crank relearn. When starting relearn, Tech2 flashes "Do not push brake pedal", just overlooked when it did say to apply. I've done it many times before, just not in a while. I got it to complete relearn but it didn't help... Trouble codes: P0300 (Multi cylinder misfire), P0174. |
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| 2010 GMC Acadia SLT 3.6L Poor Idle Quality, Stall VIN: 1GKLRMED4A It feels like a loose or broken trigger wheel on Int. bank 1 cam. Removed sensor after watching all cam sensors on 4 channel lab scope. Scope had good wave form but with slight change in time compared to other 3. This is not the common timing chain issue with ... Trouble codes: P0336. |
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| 2005 Infiniti G35 3.5L Excessive Emissions, Hesitation, Cuts out, Misfire, Poor Fuel Economy VIN: JNKCV54EX5 After taking the intake manifold off again, i got down to the injector harness and decided to start an ohm testing on the injector harness. during the test every time i was probing a ground wire on any of the injectors i would get a reading on 4 separate pins,... Trouble codes: P0300. |
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| 2008 Mini Cooper S 1.6L Poor Idle Quality, Surge VIN: WMWMF73548 Intake was pulled valve was very dirty. I cleaned the valves vehicle still has same condition. Customer is selling vehicle. Trouble codes: 2B64, P1497. |
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| 2009 Mini Cooper S Clubman 1.6L power windows VIN: WMWMM33599 The vehicle is fixed. We tried 3 different FRM's used and all had some kind of problem with them. We sent it to the dealer for coding and they said the junction box needed to be replaced to code the FRM. Did not say why but they have found with water intrus... |
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| 2002 Pontiac Grand Prix SE 3.1L Hesitation, MIL Lamp on VIN: 1G2WK52J42 Sorry about the late post, very busy. I want to thank all you guys for your help. Especially those that suggested the cat. A catalytic converter fixed this car. Thanks again. Trouble codes: P0300 (Random misfire), P0420 (Catalyst), P0404 (EGR open position performance). |
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| 1997 Toyota Camry CE 3.0L No Start VIN: 4T1BF22K1V Unfortunately I don't know how to attach a waveform to this post. After along conversation back and forth with the shop owner who brought this vehicle to our shop. He agreed to pulling the timing cover off. As the scope showed there was a broken tooth on the r... |
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| 2009 Toyota Corolla XLE 1.8L No Start VIN: 1NXBU40EX9 Finally found a known good capture for my CAM/CRK question. The capture is an exact match to what we have on the vehicle here in question. I can now feel comfortable in saying a chain will not fix this vehicle and we will be recommending a new engine. I still ... Trouble codes: P0300, P0171. |
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