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Professional Automotive Repair Technical Discussions for November 10, 2016 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for All Makes and Models
| Help Request | Answers | |
| 2002 Acura TL 3.2L intermittent nostart VIN: 19UUA56722 customer came in with check engine light on and stated that vehicle would sometimes not start. Code p0336 was in memory. problem could not be duplicated, so codes were recorded and erased. Customer took car with instructions to return if code came back. On sec... Trouble codes: P0336 |
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| 2000 Audi A4 Quattro 1.8L Engine VIN: WAUDC28D0Y Customer complaint of noise in engine.sounded like a chain tensioner(common problem)he was also told this from another shop.i started it but did not poke around yup sounds like tensioner.replaced tensioner nope noise still there tapping or loud clicking almost... |
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| 2003 Audi A4 Cabriolet 1.8L Convertible Top VIN: WAUAC48H93 Have a code 02000 when trying to open. Have tried to reset 4 to 5 times and when the rear deck panel rises it stops short of full opening. but when you closed the top it responds. Codes were cleared but each time 02000 comes on. Fluid level with top down has b... |
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| 2005 Audi A6 Quattro 3.2L Start Module VIN: WAUDG74F75 Hello Audi Tech's, this one has a bad start module on the steering column. Question can we program this thing through the Audi tech info page with a Pass Thru tool? Have registered but have not paid for a subscription. Just want to see if we can save him a 6 h... |
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| 2010 Audi Q7 Premium 3.6L Accessories VIN: WA1MYAFE3A Car came in the shop and customer complaints that the reverse camera and the display screen not working so i'm trying to find the location MMI Multimedia Interface Control Unit Module PART NUMBER (4E0 035 729 A) and the other number is (4L0 910 731 274) we CK ... |
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| 2001 BMW 525i 2.5L No Start VIN: WBADT434X1 Hi Fellow techs, This one's got me stumped. Car towed in after dying on the freeway. Cranks endlessly but will not start. No codes from DME or EWS but resynched DME/EWS anyway. I checked for fuel at rail and there was none. Pulled backseat and checked for i... |
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| 2011 Buick Regal CXL 2.0L MIL Lamp on VIN: W04GW5EV3B Engine sets code in pending and will mature on second key cycle after a minute of idling. No drivability concerns or reduction in power during test drive. Had to address one code pertaining to APP signal 1 missing with corrosion issue, but all is good with tha... Trouble codes: P1101 (air intake flow system performance) |
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| 2005 Cadillac STS 3.6L Starter/Ignition VIN: 1G6DW67795 I have the Autel DS708 scan tool. I will have the vehicle tomorrow. I have AllData on it. I need a good diagnostic approach for the vehicle. The customer states that with the Ignition in the Run position if you tap the Relay it will start and run. I do not kno... |
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| 2009 Chevrolet Cobalt SS 2.0L Surge, Misfire VIN: 1G1AP18X79 Smoke tested intake, fuel trims near 0 before and after concern and it might add 2% during concern. Misfire only last a few seconds but will come and go during light throttle cruising or slight tip in acceleration. I am trying to find someone who has access to... Trouble codes: P0300 (Random misfire), P0301 (Misfire cylinder 1), P0302 (Misfire cylinder 2), P0303 (Misfire cylinder 3), P0304 (Misfire cylinder 4) |
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| 2002 Chrysler Concorde LX 2.7L Poor Idle Quality, MIL Lamp on, runs well open loop VIN: 2C3HD46RX2 car came in with 2 faults, one for o2 volts high b1s1 and same code for b1s2. turns out vehicle runs very rich when warmed up, idle erratic. when you disconnect map sensor engine idles and runs well.(forced open loop) engine runs well with map sensor hooked up... |
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| 2005 Chrysler Crossfire 3.2L No Start VIN: 1C3AN65L95 no diagnosis for p2071 security code with skreem to pcm Trouble codes: P2071 |
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| 2009 Chrysler Town & Country LX 3.3L No Start VIN: 2A8HR44E19 Came in as a no start.No codes.Checked spark,great.Spray fuel into intake and it will backfire into intake.Checked timing chain,sloppy as we were going to replace oil{rusted} pan I looked at the chain ,it was very loose. Replaced chain and pan.Still no start,d... |
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| 1997 Ford F-350 XL 7.3L Hesitation, Surge, Misfire VIN: 3FTHF36F9V truck idles better than before but still misses under acceleration. fuel pressure bounces from 55- to 60 at idle and under heavy acceleration (in neutral) it appears to be bouncing from 40ish to 70ish? during contribution test i could swear one cylinder didnt ... |
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| 2003 Ford F-350 Super Duty Lariat 7.3L Intermittant loss of VIN: 1FTWW33FX3 Thank you in advance for your help. The vehicle initially came to us with a no acceleration only idles issue. Found code P0221 throttle position sensor performance code. Found after market programmer/ exhaust brake module that shorted the throttle position sen... Trouble codes: P0221 (Throttle position sensor performance) |
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| 2003 Ford Explorer Limited 4.6L Poor Idle Quality, High idle then drops VIN: 1FMZU65W23 Replacing the IAC and TPS cured the surging and the stalling. Now the vehicle, when coming to a stop has a high idle of 1400-2000 RPM and remains there for 3-5 seconds and then drops to 550-600 RPM and the transmission jumps forward. The vehicle has no codes r... |
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| 2004 Ford Explorer NBX 4.0L MIL Lamp on, P0174, p0171 VIN: 1FMZU73K04 Hello all, I am stumped on this one. Constantly sets long term fuel trim at +25 on both banks. It will come down 2 or 3 points at cruise speed but goes right back to +25 at idle. With the downstream O2 sensors replaced the degraded condition of both cats was r... Trouble codes: P0174 (System too lean bank 2), P0171 (System too lean bank 1) |
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| 2005 Ford Mustang GT 4.6L Guages VIN: 1ZVHT82H55 Just letting you know that mustang I was working on had weird things going on and thanks to IATN posts was able to diagnose and repair. Vehicle came in with battery light and no volt reading on voltage meter in dash. Replaced cluster and fixed voltage reading ... |
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| 2008 Ford Explorer Sport Trac XLT 4.0L MIL Lamp on VIN: 1FMEU31E78 Detailed history: This truck came to us from another shop with cylinder 2 injector randomly dropping out. That injector had already been replaced with an aftermarket part by them. I verified that the PCM was the cause, and we replaced it with a re-manufactured... Trouble codes: P0446 (EVAP System Vent Control Fault), P0451 (EVAP System Pressure Sensor Performance) |
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| 2010 GMC Terrain SLT 2.4L Engine oil cosumption VIN: 2CTFLJEW8A Help was wondering has any one been able to just replace rings to decrease blow by or is this engine a throwaway pulled of intake manifold to look at valves they have severe coking and there was also oil inside intake manifold has codes p0300 and 420 imagine t... |
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| 2001 Jeep Grand Cherokee Laredo 4.0L Stall, MIL Lamp on VIN: 1J4GW48S51 vehicle came in running ok. original concern was cluster inop. scan pcm(solace so limited on some modules) p1687, no instrument cluster bus messages received. rt and verify all gauges inop, several lights on,verify can see speed, coolant temp,tach etc on scan ... Trouble codes: P1687, P1686 |
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| 2004 Mini Cooper 1.6L Cuts out, MIL Lamp on VIN: WMWRC33474 Hi, hopefully some of you with more experience on these wonderful little cars than I have can help me out here. Very randomly this car will bog down severely on acceleration from a stop or when attempting to pass at highway speeds, what has me confused is that... |
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| 1987 Toyota Supra Turbo 3.0L A/C Amplifier VIN: JT2MA71L7H This might just be a question for an old Toyota tech. Its a logic question. The A/C amplifier engages the A/C compressor by providing a ground to the clutch relay. We can ground pin 7 at the amplifier and the compressor will run eliminating all relays and clut... |
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| 2004 Toyota Tacoma Pre Runner 3.4L Poor Idle Quality, Hesitation, Cuts out, Stall VIN: 5TEGN92N34 Hi every one, I have a 04 Tacoma with 5vz engine with auto tyranny trying to sort out. Vehicle hobbled in, would not Rev past 1200 rpm. Driver said it happened suddenly and asked a few times if power washing the engine could cause that, I said unlikely. We di... Trouble codes: P0302 (Cylinder 2 misfire), P0113 (Iat circuit high), P0122 (TPS circuit low), P2138 (Throttle pedal position sensor switch P/E), P2135 (Throttle pedal a/b corelation) |
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| 2013 Toyota Camry LE 2.5L Passenger Heat VIN: 4T1BF1FK4D Hi All, Hey there, I have this beast that I think I may need to pull the HVAC case, but would rather not. My girlfriends daughters car, so not getting paid. The passenger side blows cold, drivers side is fine. This is a single actuator system manual controls, ... |
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| 2006 Volkswagen Passat 3.6 3.6L Hesitation, Cuts out VIN: WVWEU93C16 VR6 Passat problem. This car loses fuel pressure on the high pressure side under full, hard acceleration. Pressure drops from 23 bar to 5 or 6 bar and car stumbles badly and sets fuel pressure codes P2293 and P0087. This car has been to the dealer and had 2 di... Trouble codes: P2293 (fuel pressure regulator valve N276 mechanical malfunction), P0087 (fuel rail pressure too low) |
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| 2006 Volvo XC90 V8 Ocean Race 4.4L Transaxle VIN: YV4CZ85286 Has anyone ever removed one of these units? This is our first attempt and it's a real challenge. Is there a way to get it out without dropping the engine or do you have to remove the entire engine/transaxle assembly? Thank you in advance for any advice. |
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| 2010 Volvo XC70 3.2 3.2L MIL Lamp on VIN: YV4960BZ9A Vehicle Runs excellent. All PID data looks good. Short term fuel trims look good- around 0%-2%. All the O2 sensors seem to be switching correctly. A new engine harness was installed 3 months for a throttle pedal code setting. There are no vacuum leaks found. M... Trouble codes: P2275 (O2 Sensor Stuck Rich Bank 1 Sensor 3), P2271 (O2 Sensor Stuck Rich Bank 1 Sensor 2) |
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Fixes & Summaries for All Makes and Models
| Fix/Summary | Answers | |
| 1988 Chevrolet C1500 Cheyenne 4.3L cooling system VIN: 1GCDC14Z4J Hi thanks for all the replies. Looks as though this was all a air pocket issue, we vacuum filled it this time, instead of just drain and refill. We bought this fancy tool and am still pushing my tech's to use in every coolant system repair!! Thanks again |
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| 2007 Chevrolet Cobalt LS 2.2L MIL Lamp on VIN: 1G1AK55F17 all of you guys are awesom. thanks for all the responses. its why this place is worth the money. sooooo. the problem was in the wiring from the ecu to the sensor. two wires had been crushed and split in the same spot and were shorting out intermittenly. and i ... Trouble codes: P0140, P2A01. |
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| 2006 Chrysler Town & Country Touring 3.8L pump motor VIN: 2A4GP54L06 First let me thank those who took the time to help. THANK YOU. Went back to work and pulled the under hood fuse box up and found a lot of corrosion, B+ to abs unit was almost in two. Enough there to indicate power at unit but not power the pump. Cleaned box an... |
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| 2008 Dodge Grand Caravan SXT 3.8L battery VIN: 1D8HN54P88 ok guy's, i ck all doors;latches say closed,not equip. w/power rear seats no Lojac/ no glove box lite/ unplugged the whole rear hatch harness/every module equip. i unplugged+ no-go/ unplug alt./radio/etc.etc. never did find it,,,iv'e heard about the tipm being... |
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| 2011 Dodge Grand Caravan Crew 3.6L Converter VIN: 2D4JN1AG5B Thanks for the Replies. Yes, Replacing the trans would be the better Choice with 130K , but my question was about a specific way of testing and repair. As It turns out, the test was conclusive. The TCC Circut and Solenoid was working and just Converter was b... |
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| 2005 Ford F-350 Super Duty XL 6.0L Surge, MIL Lamp on VIN: 1FTWF31P05 Most if not all replies suggested the exhaust backpressure tube could be plugged or rusted. After finding rusted tube and replacing it along with the sensor the truck funs fine. Good boost, no problems. Thanks again. Trouble codes: P0299 (insufficient boost). |
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| 2010 Jeep Compass Sport 2.0L P0171 1/1 lean VIN: 1J4NT1FA1A Well I eliminated all the usual causes of his dtc and in the end like most stated, check engine mechanical, and the engine was incorrect for the application, had a 2.4L instead of the 2.0L, so the engine is sucking in and pumping out more air then the pcm is c... |
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| 2007 Mini Cooper S 1.6L Mechanical VIN: WMWMF73557 Mixed replies as far as being an interference engine. Inspection w/borescope revealed definite impact at #4 cylinder, other cylinders suspect. Checking our own history showed we had another 2007 S model in several years ago- the owner had attempted to install ... |
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| 2000 Nissan Sentra GXE 1.8L Hesitation, Surge, Misfire, VIN: 3N1CB51D9Y Thanks for all the replies- [...] ProDemand showed MAF readings should be 3-7 gps so my reading of 4.1 seemed normal however replacing the MAF fixed it. After replacement the MAF reading was 3.17gps but ran smooth & accelerated normally. Engine does have oth... |
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| 2005 Volkswagen Touareg 3.2L Misfire, MIL Lamp on VIN: WVGZG77L85 Thanks for the help, even though it didn't show in a vacuum reading or a running compression test, once the valve cover was removed you could see the worn out exhaust rocker arm roller. Just on part of it, so maybe that would explain the intermittent issue, al... |
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| 2008 Volkswagen Touareg 3.6L oil in coolant reservoir VIN: WVGBE67L68 Thank you for all the help. I did turn out to be the head gasket that failed. |
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| 2010 Volkswagen Routan SEL 4.0L engine noise VIN: 2V4RW5DX8A Thank you for your replies. The lifters on this vehicle are an unusual setup, where they are part of the rocker arms. Apparently getting them to bleed takes some time. There is no easy way to bleed these manually. We drove the vehicle about 7 miles & the noise... |
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