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Professional Automotive Repair Technical Discussions for March 24, 2014 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for All Makes and Models
| Help Request | Answers | |
| 2003 Acura MDX Touring 3.5L Misfire, MIL Lamp on VIN: 2HNYD189X3 Engine misfires @ idle all 6 cylinders only cold, after 4-5 minutes, misfires are gone. STFT does not change drastically between cold & hot B11.1 B20.91,checked EGR command & lift 0%, we checked valve adjustment it had tight exhaust valve clearance cyls. 4+5. ... Trouble codes: P0305 (Cylinder 5 misfire), P0301 (Cylinder 1 misfire), P0302 (Cylinder 2 misfire), P0303 (Cylinder 3 misfire), P0304 (Cylinder 4 misfire), P0306 (Cylinder 6 misfire) |
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| 2005 Audi S4 4.2L Poor Idle Quality, Misfire, MIL Lamp on VIN: WAUPL68E35 HI, I have this S4 in the shop that is running very rough. Check engine is on and it is throwing misfire codes on cylinders 1234. ( right bank ). I verified that there is spark and fuel, and there is compression at about 130psi on all right cylinders. I read a... |
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| 1996 BMW 328i 2.8L Poor Idle Quality, Surge VIN: WBACD4328T Car came in with surging and very high idle. Trans was in limp mode. CEL and trans light were on. Customer replaced idle control motor to try and fix this problem, then brought it here when it didn't work. After clearing codes and all adaptations, the car will... Trouble codes: P1188 (227 - Mixture deviation cyl 1-3), P1189 (228 - Mixture deviation cyl 4-6), P0121 (012 - Throttle valve potentiometer), P1765 (154 - CAN gas pedal position EGS) |
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| 2001 BMW 325i 2.5L Poor Idle Quality, Hesitation VIN: WBAAN37421 Has strong vac leak with oil fill cap off. Going through oil. Can see crank case vent valve wet, have ordered new one. Is it better to pull intake to replace this? Just looked at number 6 plug, looks ok. Is the aftermarket ok or do I need the oem style? Trouble codes: 227 (O2 bank 1 control deviation), 228 (O2 bank 2 control deviation), 243 (misfire cyl 6), 21 (vanos inlet) |
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| 2003 Buick Century Custom 3.1L Park Lights VIN: 2G4WS52J33 Car came in for water pump. Replaced and sent out the door with no other problems. Customer came to pick the car up next day and bat was dead. Jumped car and found out park lights were staying on. Customer left car and since then I have been pulling my hair ou... |
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| 2004 Cadillac CTS 3.6L MIL Lamp on, Reduced Power Mode VIN: 1G6DM57754 Need the help of IATN GM experts-only code P2122 returns and engine goes into reduced power mode.Believed cut & dry repair fit TSB exactly. P2138 is gone ECM replacement cured P0606 as it should have.All wiring intact & nothing rubbed.Have checked C104 Connect... Trouble codes: P2121 (APP Sensor 1 Performance-Circuit Low) |
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| 1994 Chevrolet S10 4.3L No Start VIN: 1GCCS14ZXR I have an s10 that will not start. It will start at the first crank and then die right away. IF you carnk some more it will not do anything unless you hold throttle open then it will try to start. Came to me with a customer requesting we install a fuel pump. I... |
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| 1996 Chevrolet Tahoe LS 5.7L Poor Idle Quality, Hesitation, Misfire VIN: 1GNEK13R7T vehicle brought in; customer complains of rough running. yes, mileage is accurate at over 380,000 miles. original long block as well. well maintained truck. p0300 set; checked misfire counter; shows dead miss at idle and under load on cyliders 3 and 5. pulled... Trouble codes: P0300 |
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| 2007 Chevrolet Impala LT 3.9L Unknown VIN: 2G1WC58R27 This started out as an intermittent complaint from the customer and has gotten worse. When you take off from a stop the trans slips slightly and then engages hard, but then shifts fine after that. There are no codes. I can't find very much info on similar prob... |
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| 2000 Dodge Grand Caravan SE 3.3L No Start, Cuts out, Stall, MIL Lamp on VIN: 1B4GP44G1Y Vehicle came in for trip readiness check, running fine, no MIL. Replaced valve cover gaskets (inc. R&R upper intake), oil pan gasket, and front stabilizer links. Battery went down (key not completely off), has been recharged and tests okay, has always cranked ... Trouble codes: P1391 (No crank sensor signal), P0320 (No cam sensor signal), P0204 (4 injector circuit problem), P0118 (Coolant temp sensor voltage high), P0108 (MAP sensor voltage hight), P0340 (No cam sensor signal) |
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| 2005 Dodge Grand Caravan SXT 3.8L cluster VIN: 2D4GP44L25 Guys, I dont like using iATN so soon after the help I received in January, but this is kinda a unique situation. My internet/information system at the shop is currently down (though not for long as I'm told). I have a 2005 Grand Caravan with a completely dead ... |
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| 2001 Ford F-150 Lariat 4.6L Poor Idle Quality, MIL Lamp on VIN: 1FTRX18W61 This vehicle came into the shop with a broken spark plug which had already previously had a heli-coil installed on cylinder #5. Vehicle did no run when it came in so we have no reference on how it ran before but customer said it ran fine prior to repair. Head... Trouble codes: P0171, P0175 |
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| 2007 Ford F-550 Super Duty Lariat 6.0L Excessive Emissions VIN: 1FDAF57P77 After the BG service the die at idle problem is gone,runs smooth and has normal power. No codes for missfires. Issue now is the truck smokes badly. At first we had some black smoke on hard accel,now there is heavy grey(smells like unburned diesel) at idle and ... |
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| 2012 Ford F-350 Super Duty XL 6.7L Poor Fuel Economy, MIL Lamp on, Locked in idle mode VIN: 1FTRF3BT2C Hello all. As you can see from the repair history, this truck has been a nightmare. Just to be clear... this is a particulrly unusual matter. I am helping the owner of the truck with his case. He has an attorney working to possibly persue a lemon law judgement... Trouble codes: P207F |
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| 2002 Honda Civic EX 1.7L engine seals VIN: 1HGEM229X2 oil leaking from front crankshaft seal area. asked for OE parts but was given after market crank seal and pan gasket. still leaked. Then found information and followed it using a sealer for oil pans on Hondas.It was from orielies and ordered by my employer. I ... |
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| 2006 Honda Odyssey EX 3.5L Steering VIN: 5FNRL38636 This thing is driving us nuts so I'm going to see what help I can get here. We replaced the steering rack with a reman unit. After about 1 minute of running the steering looses all power assist. When the rpm's are raised above idle, power assist returns. We ... |
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| 2005 Land Rover LR3 SE 4.4L Hesitation, Stall, Poor Fuel Economy, MIL Lamp on VIN: SALAD25435 Customer's complaint of poor fuel economy, frequent SES, occasional stalling. Also said stalling and SES occur when fuel below 1/8th tank. I have had it happen at many fuel levels- been working on this one for months- and currently over 1/4 tank with SES, no s... Trouble codes: 0171 (Mix adaptation lean bank 1), P0174 |
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| 2001 Lexus ES300 3.0L vvt system VIN: JT8BF28G31 Subsequent to all the above diagnostics and repairs the car performed well during 50 mile test drive, but, as soon as customer picked up car it revealed the exact same problem. I took it for a test drive and after a few miles the MIL light and TAC light came o... |
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| 2001 Nissan Sentra GXE 1.8L idle VIN: 3N1CB51D41 hi I recently change 2 alternator on this car it is still charging around 15.07 volts which is a bit high and the car came in with a code p0505 and no idle (stalling issue) I tried a known good iac on it with no results I check the voltage drop and all the gro... |
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| 2003 Nissan Maxima SE 3.5L No Start, Stall VIN: JN1DA31A43 This car was towed to our shop from another shop with a request to program the ECM because it would start, run for less than a second and die.If you crank right after it dies, it does not start at all. You wait for about a minute and it starts and die again. W... Trouble codes: P0345 |
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| 2006 Porsche Cayenne S 4.5L Abs Module VIN: WP1AB29P26 Hey porsche guys, need some help with this cayenne. Owner is a very good customer and has unbelievable patience. Both front wheel bearings were changed. Left abs sensor was siezed in spindle and broke off. Ordered factory porsche sensors. Made sure both bearin... |
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| 2008 Porsche Cayenne GTS 4.8L MIL Lamp on VIN: WP1AD29P38 Hello Iam haveing a problem with the check engine light comeing and going for a large evap leak , This started off with us smoking the whole system and we found nothing, Now its donw to try this and that . We have replaced the following fuel cap, evap hoses un... |
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| 2007 Saab 9-3 Aero 2.8L Air conditioning VIN: YS3FH51UX7 Vehicle comes in, A/C cuts out at times. Due to Tech 2, A/c disabled due to low outdoor temperature (been sitting in the shop for a while) I was able to activate A/C through tech 2 and system is fully charged. We replaced the temp sensor in the front bumper, s... |
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| 2005 Subaru Forester XS 2.5L MIL Lamp on VIN: JF1SG65685 I need some help on this Subaru. The vehicle came in a few weeks ago with the check engine light on and a p1443 and a p0457. We started checking the car out. I tested the vent control solenoid with my power probe. The vent solenoid didn't work. Replaced the ca... Trouble codes: P1443, P0457 |
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| 1999 Volkswagen Passat GLS 1.8L Door locks VIN: WVWNA63B9X This Passat has inop locks on RF, RR and LR...a new lock module was replaced on both front doors but this was an ongoing problem for 2 years before according to the customer...ONLY the LF lock works...you can lock them all manually or the front two with the ke... |
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Fixes & Summaries for All Makes and Models
| Fix/Summary | Answers | |
| 2004 Acura TL 3.2L radio and CD player All people indicated ignition switch is bad except Richie. There was the first potential defective part I thought. I checked the power circuit, it was good voltage on the Radio. So, finally I changed the radio, now the problem is gone. Thank you for every one ... |
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| 2002 Cadillac Escalade 6.0L No Start VIN: 1GYEK63N72 OK,calling this one fixed! We removed the main fuse box and inspected it, didnt see any corrosion but took a chance and ordered one, Dealer didnt have it in stock but took a chance. Replaced the box and its been good for 2 weeks. Thanks again! |
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| 2000 Chevrolet Express 3500 6.5L No Start, Poor Idle Quality VIN: 1GBJG31F9Y Thanks to everyone that responded to my request. As we thought, the reman pump did indeed die shortly after we installed it. Got a new pump Friday at 5 pm and installed it this morning. Fired right up and is running like a champ. |
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| 2004 Chevrolet Silverado 1500 5.3L MIL Lamp on VIN: 1GCEC14T94 Fixed. Thank you to the many that replied. I wanted to wait awhile to be absolutely 100% positive that the problem is solved. Customer has since returned several times happy and brought the truck back for some maintenance. Short version: Ran new wires for... Trouble codes: P0651 (Sensor reference voltage B open. 5Volts ref 2 circuit). |
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| 2004 Chevrolet Silverado 2500 HD 6.6L Hesitation, Misfire VIN: 1GCHK23264 I replaced the #3 injector it ran way better customer wanted me to do #2 it was the same i checked the egr and it was not gummy. I tried several things it appears to be intermittent because after being in the shop awhile one day i took it out and drove it with... |
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| 2006 Chrysler PT Cruiser Touring 2.4L speedometer VIN: 3C3JY55X26 In the Witech I had to go into alternative conf and change tire size and then go back in and change to the size tire that was on vehicle. thanks to Steve at identifix |
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| 2001 Dodge Ram 2500 5.9L Steering Pump VIN: 3B7KF26661 Well, Thomas from New York got this one. The fix was to jack the front wheels off the ground and fill fluid reservoir. Turned wheels right and left a dozen times, adding fluid as needed to reservoir to bleed the system of air. Started engine and bled system ... |
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| 2007 Dodge Ram 3500 SLT 5.9L MIL Lamp on VIN: 3D7MX49C87 Many thanks for the replies. I could not get into fuel pressure over ride test with the Wi-tech. The truck does have some "performance" module under the hood, which plugs into the FRP and the Intake Air Pressure sensor. Even after disconnecting and plugging th... Trouble codes: P1223, P0251, P0148. |
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| 2009 Dodge Sprinter 2500 3.0L abs VIN: WDWBE8ACX9 Thanks, Martin. Yes, Techconnect info tells me you are correct. The 4D2E code is for the SAW. I performed the recalibration and released for trial. No light yet. 5721 still returns instantly, yet there are no concerns with the system, and no warning light. Sam... |
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| 1996 Ford E-350 Econoline 7.3L Starting VIN: 1FDJE37F2T Thanks for all your help turns out the company that the bus owns sees it as a money pit and just wants to sell it and buy something newer.. Customer dose not want to pay more money to buy a set of injectors and gaskets to make the bus run right and smooth, bu... |
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| 2000 Ford Explorer Eddie Bauer 4.0L gemeric module VIN: 1FMZU74E9Y hey everyone; still has the 200 milliamp drain on the battery. spent another 5 hours on it on 3/13. there is 100 milliamps on each ground circuit to the gen module. circuits 570, pins 14 & 26 on connector c280. disconnecting the battery relay removes about 10... |
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| 2014 Ford Explorer 3.5L Key fob VIN: 1FM5K8AR7E Thank you fellas for the input,,, According to the Local Ford dealer these vehicles did not come thru with a reciever, they said it's located in the Left Door pillar they suggested to install one & get a Key FOB & program it ??? how true is this ? don't know h... |
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| 2006 Hummer H3 3.5L cylinder head VIN: 5GTDN13666 Many thanks to all. I am going to add a timing chain to the quote. |
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| 2004 Hyundai Elantra GT 2.0L Engine VIN: KMHDN55D24 Ok that one is fixed. Thanks to everyone who replied. With my lab scope I confirmed that the cam and crank signal were good individually but they did not match. This was caused by the timing chain uniting the exhaust camshaft to the intake camshaft installed b... |
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| 2004 Jeep Grand Cherokee Laredo 4.7L No Start, MIL Lamp on, no crank VIN: 1J4GX48N44 TANK YOU EVERY ONE FOR YOUR HELP.STILL DID NOT FIND THE CAUSE THE PROBLEM,RAN OUT OF TIME. CUSTOMER PICKED UP THE JEEP.MAY BRING BACK LATER Trouble codes: 1698 (P1698-no bus message from tcm). |
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| 2008 Jeep Wrangler Unlimited Sahara 3.8L everything VIN: 1J8GA59198 This one is down the road for now, hopefully a permanent fix. I did some more searching for the pwr lock short, no dice. This vehicle does not have the disconnecting sway bar. I even took apart the tipm and found nothing obvious. So with nothing else to go on,... |
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| 2006 Land Rover Range Rover Sport HSE 4.4L Wipers VIN: SALSF25466 Well I swapped in another CJB that I had and still the noise was there even though it wasn't programmed to the vehicle. I unplugged the LIN bus at the CJB, seat module, sunroof motor and the rain sensor and I have a low resistance to ground (like it's coming t... |
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| 2005 Mercedes-Benz G55 AMG 5.5L Transfer case VIN: WDCYR71E85 Thanks to everyone for responding. Dave from CA was right on. The vehicle has to be in neutral and parking brake on. |
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| 2003 Saab 9-3 Linear 2.0L No Start, MIL Lamp on VIN: YS3FB49S73 Hello Friends Thank you all for all the great replys, sorry for not mentioning that the engine compression was very low, about 10 psi in all cylinders, after adding oil to the cylinder the compression only came up to about 20 to 25 psi, and since I did not ha... Trouble codes: P0445, P0638. |
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| 2004 Saturn Ion-3 2.2L Excessive Emissions VIN: 1G8AL52F54 Thanks for all your responses. One of my tech did most of the work on this vehicle, I did find a lot of the issue was coming from the fuel injectors. After we replaced the I did notice that the oil was over full by about a qt. after the oil change and a ... |
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| 2007 Subaru Outback 2.5i Limited 2.5L Unknown VIN: 4S4BP62C87 Well, the problem was with the engine mounts, but not the ones you would think. We loosened up the bolt on the torque strut (dog bone) and the engine fell forward about 1/4 of an inch. Test drove and all vibrations were gone. I don't know how we did it, but we... |
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| 2009 Volkswagen Passat CC Highline 2.0L Misfire, MIL Lamp on Well I'll call it a fix. Customer declined repair but smoke was pouring out from the rear main. Crazy as it sounds the lean condition was slowing the engine speed just enough to lower the high pressure system and set that pressure code. Don't be fooled. Trouble codes: 04506 (Fuel Pressure sensor Intermitent), 00369 (Lean Bank 1), 00768 (Random Misfire), 00772 (misfire 4), 00770 (Misfire 2). |
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