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Professional Automotive Repair Technical Discussions for May 16, 2016 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for All Makes and Models
| Help Request | Answers | |
| 2004 Cadillac DeVille 4.6L Misfire, MIL Lamp on VIN: 1G6KD54Y04 Howdy Y'all, The 04 Deville is kinda nuts. The main problem is bucking and missing at times. The car came from other shop and they had replaced the front coil pack and all spark plugs, the Cam sensor and wiring!!. It sets a code p0641 5v reference high problem... Trouble codes: P0641 (5V Ref. problem), P1106, P0108 |
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| 1995 Chevrolet S10 LS 4.3L Stall VIN: 1GCDT19W0S This one is troublesome. I can start it, let it warm up outside, then in ten to fifteen minutes, it will just die. Once, after warm up, I shut the hood for a test drive and it died. When it dies, it loses 5 volt reference to TPS. I checked all power and ground... Trouble codes: P0122 (TPS low input) |
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| 2006 Chevrolet Impala SS 5.3L Misfire, MIL Lamp on VIN: 2G1WD58C96 The vehicle was presented with several codes. p1101 air flow correlation (actual vs expected) p0171 lean bank one p0420 cat efficiency p3449 Cylinder 7 displacement on demand deactivation solenoid control circuit. the 1101 resets pretty quickly (first in pendi... Trouble codes: P1101 (Actual Measured Air Flow.... not within range of calculated air flow), P0171, P0420, P3449 |
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| 2008 Chevrolet Impala LT 3.5L Misfire VIN: 2G1WT58K28 Not sure what I am missing, car came in running rough with code p0300, inspection showed all cylinders with misfires and a dead miss on #5. Found ignition wires arcing so started with a basic tune up. Now its running fine on all except #5 still has a dead miss... Trouble codes: P0300 (Random Cylinder Misfire) |
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| 2004 Dodge Stratus ES 2.7L MIL Lamp on VIN: 1B3EL46R94 Vehicle takes long time to star up, check signals on cranckshaft sensor when cranking the vehicle and found two sides wires with 5v, and one drops to 1.9 to 2v. On camshaft sensor is the same but the one it drops does it from 5v to o up and down.while driving ... Trouble codes: P0344, P0340, P0016 |
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| 2009 Dodge Caliber SXT 2.0L MIL Lamp on this caliber has a p0171 lean code long term fuel trim 30 short term is around -3 to plus 7. 02 sensors up stream bank 1 sensor 1 reading around 0.12 to 0.79 bank 1 sensor 2 readings .12 to .71 i have replaced fuel injectors.map sensor, pcm,02 sensors checked ... Trouble codes: P0171 |
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| 1995 Ford F-250 XL 7.5L master cylinder VIN: 1FTHX26G1S The original MC and booster were replaced by another shop a while back, without much satisfaction. It came to my shop with an 1 1/8" MC, which I believe is factory size. Per Ford TSB # 985A34, I replaced the MC with a larger 1 1/4" MC. Again, not much differen... |
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| 2006 Ford Escape XLT 3.0L Anti theft VIN: 1FMYU03176 The Alarm is going off intermittantly while vehicle stationary. I found that there were multiple codes in the GEM B1314 - battery saver relay coil circuit open, B1372 - Illuminated entry relay circuit open, B1519 - hood switch fault, C1769 - parking brake appl... |
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| 2008 Ford Focus SE 2.0L EVAP Core VIN: 1FAHP35N28 Recently replaced EVAP core due to A/C leak. Customer came back a week later and now has a "breathing" noise from the dash area. Noise seems to be coming from the EVAP core. Checked system charge - OK. Have never run into this before after core replacement. An... |
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| 2008 Ford F-250 Super Duty XLT 5.4L Poor Idle Quality, Misfire VIN: 1FTSX20588 Hello everyone, I am trying to see if any one has any ideas on what might be causing the problem or what direction to go... truck came in the shop after the customer replced both heads boths cams, new plugs . Heads replaced because he broke a spark plug in the... |
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| 2014 Ford F-350 Super Duty XLT 6.2L Poor Idle Quality, Misfire VIN: 1FT8W3B61E Originally came in with P0302,305, and 306. Another tech replaced plugs and those three coils and broken driver's side exhaust manifold. Test drove and ran good. Came back that evening running rough and codes for misfires. This truck runs great under light acc... Trouble codes: P0300 (random misfire), P0302 (cyl 2 misfire), P0305 (Cyl 5 misfire), P0306 (cyl 6 misfire) |
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| 1995 GMC G3500 Vandura 6.5L Electronic VIN: 1GTGG39Y8S Help me, help me, help me! PLEASE!!! I went and did something stupid and married this GMC. Vehicle came to me not shifting. Pulled codes 85 (undefined ratio malfunction) and 86 (low ratio malfunction). Checked transmission range pressure sensor according to Mi... |
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| 2011 GMC Acadia Denali 3.6L tcc VIN: 1GKKVTED0B thanks in advance to all. we are not a trans shop but this is a loyal customer and trying to get a answer for him. I do feel a bit of a chug. customer complaint: "issue with torque converter slip during lock-up. noticeable under load in 6th gear from 45-75 mph... |
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| 2004 Honda Accord EX 3.0L MIL Lamp on VIN: 1HGCM81664 Working on a 2004 Accord 3.0 manuel trans. setting code p1077. Stepper motor is only driven in 1 direction by pcm. Can unlug pcm and drive motor either way. I am assuming imrc position is controlled by reversing polarity at motor. But when looking at wiring di... Trouble codes: P1077 (IMRC stuck stuck short), P1088 |
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| 2008 Honda Civic EX 1.8L compressor VIN: 1HGFA16838 This car came in with the compressor cycling rather rapidly. The info I got was not cooling well. So this made since. I evacuated and recharged. The next week it was back, this time the compressor was not coming on. We found the clutch was open so we replaced ... |
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| 2008 Honda Civic EX 1.8L Starting VIN: 2HGFG11898 Replaced engine with a low mileage engine. Engine will only start if a scanner is plugged in dlc. Doesn't matter if it is small reader or a Snap On scanner. If you un-plug the scanner the engine shuts off. Thanks for help. al |
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| 2006 Hyundai Tucson GL 2.0L Powersteering Pump VIN: KM8JM12B96 We replaced the timing belt and accessory belts on this Tucson and have had nothing but grief with the steering since. We disconnected the hose from the power steering reservoir to the pump during the job. When we initially refilled the system we did not follo... |
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| 2008 Isuzu i-290 S 2.9L no compression VIN: 1GGCS19998 timing chain broke after replacement of all timing parts engine just free spins pulled pan and confirmed chain intact and crank spinning found no oil pressure (no oil in VVT solenoid) also replaced.replaced oil pump and cover no change I did check timing 3 tim... |
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| 2002 Kia Optima SE 2.7L Hesitation, MIL Lamp on, Poor Performance VIN: KNAGD12842 We have this Kia that came in with MIL on and a complaint of sluggish acceleration. From a stop the car with hesitate and accelerate very slowly then suddenly just kick in and accelerate good. Monitored the O2 sensors. Bank 1 is fluctuating between very low ... Trouble codes: P1167 |
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| 2007 Lexus IS350 3.5L No Start VIN: JTHBE26257 Hey all thank you for your time, am helping a shop near me , we trade favors etc. As explained to me, after overheat motor pulled and disassembled. Bores and deck were fine, heads pressure tested and rebuilt. engine reassembled during removal, one injector was... |
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| 1979 Mercedes-Benz 450SL 4.5L No Start VIN: 1070441205 Hi guys. I lost my saved schematics for this old stuff in a HD crash. Does anybody have schematics for this old girl? Looking for complete car or F/I, Ign? Thanks, Dan The German Man |
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| 2004 Mercedes-Benz S500 4Matic 5.0L Timing Cover VIN: WDBNG84JX4 Good morning fellow techs.I am hoping I can get some help on this one. This job started out as a simple water pump job that has now gone horribly south. As everyone knows that work on mercedes, the newer engines do not come with any bolt hle threaded only dril... |
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| 2006 Mercedes-Benz R350 4Matic 3.5L rear hatch supports VIN: 4JGCB65E36 Hello and thanks in advance. As a Jap car guy I have no experience to draw from on this car. This R350 needs its rear hatch supports replaced (non automatic tailgate). Flat rate says 6 hours and first to remove headliner and sun roof. Looking inside upper roof... |
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| 1984 Porsche 944 2.5L No Start VIN: WP0AA0942E any help on what to check for a no start , no injector pulse and spark |
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| 1997 Porsche Boxster 2.5L Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, Misfire, MIL Lamp on VIN: WP0CA2987V Hello fellow techs. This car came to me on a hook and in pieces. after fixing the vacuum leaks, burning oil because of the breather, OEM spark plugs, replace blown alternator, oil in water due to oil cooler(replaced), new coolant reservoir after coolant flush,... Trouble codes: P0300 (Random misfire), P0301 (misfire 1), P0302 (misfire 2), P0303 (misfire 3) |
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| 2006 Toyota RAV4 Sport 2.4L engine VIN: JTMBD32VX6 Good Morning fellow wrenches. We have to replace the engine. Shop Key says to remove motor and trans together. Was wondering if anyone has tried to just pull the motor.Looks a little tight, but might work if the balancer and maybe a few other pieces are remove... |
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| 2008 Toyota Tundra SR5 5.7L No Start VIN: 5TFRV541X8 Hi techs. This is an 2008 Toyota Tundra V8 5.7L. Truck crank but no start, no fuel pressure, ignition good. I check all 3 EFI, Fuel pump and C/Onp( circuit opening) relays are all good. Key on signal does send power to fuel pump control ECU. Fuel pump ECU has ... |
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| 2004 Volkswagen Jetta GLS 2.0L Right turn signal circuit VIN: 3VWSA69M34 Troubleshot electrical to right turn signal light circuit, isolated flasher relay, isolated turn signal switch in column steering & power still to lights. Internal short in the central comfort module is last module connected to same light circuit - thus want t... |
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| 2006 Volkswagen Passat 2.0T 2.0L Surge VIN: WVWAK73C26 I have this vw that came from another shop after having the intake pump changed-After checking it out I found the cam lobe and high pressure pump bad so replaced both. also replaced timing chain and tensioner. Car runs great down the road and off idle but at i... Trouble codes: P0300, P0302, P0303, P0304 |
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| 2006 Volkswagen Jetta TDI 1.9L No Start, Poor Idle Quality VIN: 3VWRT71K46 Will not start after cylinder head replacement. We generally do not work much on diesels but this is one of our larger account customer's. Came in with no start from broken timing belt, pulled head & inspected ( cracks in head near valve seats that were over v... |
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| 1998 Volvo S90 2.9L Lock-up Sol VIN: YV1KS9600W I would like to know the exact location on valve body of the lock-up Solenoid so i can examine more closely. i would like to examine for intermittent open. |
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| 2010 Volvo XC60 T6 3.0L MIL Lamp on VIN: YV4992DZ1A Car has an intermittent MIL P0172. LTFT +4 at idle, climbs to +18 at 2000 rpm. Rail pressure sensor is off about 3 psi from a gage we trust. Is this enough to cause this code? Just wanted to see if anyone else has torn their hair out with one of these. And yes... Trouble codes: P0172 (Rich) |
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Fixes & Summaries for All Makes and Models
| Fix/Summary | Answers | |
| 2006 Acura MDX Touring 3.5L Misfire, MIL Lamp on VIN: 2HNYD18876 Thanks for all the replies. Most suggested items we had already done. I also spoke to Wayne at Identifix, he says that the misfire diagnostics on these cars are not reliable, and the -14 fuel trim might indicate a leaking injector, as I thought. I did check th... Trouble codes: P0301 (p0302-), P0302 (p0303-), P0303 (p0304-), P0304 (p0305-), P0305 (p0306-), P0306 (testing and results). |
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| 2003 Audi A4 1.8L Clutch pedal VIN: WAULC68E33 As recommended we: -re-bled the system -using an oil pump back-bled the slave cylinder -pressure bled the system -applied vacuum to brake fluid reservoir with a hand pump. Then pump the clutch. None of these fixed the vehicle, but are great tips for next time... |
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| 2008 BMW 535i 3.0L Hesitation, Stall VIN: WBANW13588 Just wanted to post back with an update we replaced the ekps module/programmed and the customer has been driving around +250 miles with no trouble to date. I believe the problem is rectified. Thank you for all your responses I hope this can be of help in the f... Trouble codes: 29DC, 29F2, 6292 (EKPS control voltage too high), 6293 (EKPS control current too high). |
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| 2001 Chevrolet Tahoe 5.3L radio and lights VIN: 1GNEK13T61 First I want to thank everyone who replied to my help request. I followed every suggestion given and the fix turned out to be a DRL sensor on top of the dash. I found it slow to work and sometimes it did not work at all so it was going out. I replaced the sens... |
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| 2007 Chevrolet Suburban 1500 LTZ 5.3L Poor Idle Quality, MIL Lamp on VIN: 1GNFK16347 I thought we fixed the issue 180 psi compression on cylinder customer drove for two week no issues now ses light is on for misfire on same cylinder dealer says in needs a new engine thanks for all the help Trouble codes: P0300. |
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| 2010 Chevrolet Cobalt LT 2.2L Engine Failure VIN: 1G1AD5F57A Thanks to all for the helpful replies. I feel like a knucklehead, but I mis-identified this vehicle in the identification dialogue. I ID'd it as a manual trans, but it is an automatic. As suggested in the replies, the engine came out through the top, making... |
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| 2002 Chrysler Town & Country LXi 3.3L No Start VIN: 2C4GP44372 SORRY for the delay on closing this help request, I still have not fixed this vehicle, but I know where the problem is, it seems to be mechanical,we did a compression test & every time I checked it gave me a different reading sometimes it will show 0 ,60 , or ... |
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| 2009 Chrysler PT Cruiser LX 2.4L No Start VIN: 3A8FY48979 HEY GUYS. THANKS TO EVERYONE WHO REPLIED TO THIS POST. MOSTLY EVERYONE HIT IT ON THE MONEY. SURE ENOUGH, I HAD THE CPS AND COIL CONNECTORS SWAPPED. THEY LOOK EXACTLY THE SAME AND ARE THE SAME LENGTH AND BOTH MEET AT THE HARNESS AT THE SAME LOCATION. ONCE I SWA... Trouble codes: P0129 (Barometric pressure out of range low). |
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| 2005 Ford F-150 XL 5.4L cam timing Thank you all for your input. I swapped the solenoids from bank 1 to bank 2 but no change. I ended up replacing the bank 2 cam phaser with one from ford. It now runs smoother and is not setting the p0022 code. I could not see anything visually wrong with the D... |
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| 2012 Ford Escape XLT 3.0L Dead battery VIN: 1FMCU0DG7C GPS was left plugged in during our vacation.As this is the wifes vehicle it has never been left more than 12 hours without being driven. GPS killed the battery as the cig lighter does not power down with the vehicle. Unplugged GPS and no further problems. I pe... |
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| 2004 GMC Envoy SLT 4.2L rear blower VIN: 1GKET16524 thanks for all the info found two broken wires under the passenger side rear door sill repaired wires calibrated system all good thanks |
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| 2005 GMC Envoy XL SLE 4.2L Pressure/Return Hose Seal Install VIN: 1GKET16S45 So when completed all was fine no leaks at the rack line connections when done. I suggested in the end of the update that I took a pin & gently went around the little rubber flapper in the return line seal which opens to allow fluid flow & aside from hoping ... |
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| 2009 GMC Sierra 3500 HD SLE 6.6L Transmission VIN: 1GTHK83639 Thanks for the replies. Last time the transmission was put in the converter housing and converter were painted with silver/aluminum paint. After removing the converter it had paint washed off from converter hub weld. We also put dye in oil and could see dye in... |
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| 2000 Jaguar S-Type 3.0L No communication VIN: SAJDA01C5Y WELL, IT'S TIME TO CLOSE THIS CASE, THANKS TO THE TECHS THAT BOTHER TO ANSWER, AFTER REPLACING AND REPROGRAM COMPUTER, AND INSTALL A JUMPER WIRE FROM PIN 49 STRAIGHT TO PIN # 7 A DLC CONNECTOR, I CALL JAGUAR DEALER FOR SCHEDULE AN APPOINTMENT, THEY TOLD ME TH... |
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| 2012 Ram 1500 ST 4.7L Oil Pressure Warning Light In Instrument Cluster VIN: 1C6RD6FP7C A special thanks to Jonathon , a dealer tech who gave information on what they see at the dealership. Since the sender had been replaced twice with OEM parts and problem did not change I did not bother to change it.I saw that the signal at the switch did not c... |
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| 2005 Toyota Sienna XLE 3.3L all power acc. and lights VIN: 5TDZA22C15 first of all thank you guys for the help and the information on this repair the problem ended up being a relay under the dash that powers up the fuse box from the ignition switch replaced the relay an all is back to normal. thanks for all the help |
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