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Professional Automotive Repair Technical Discussions for December 19, 2009 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for All Makes and Models
| Help Request | Answers | |
| 2006 BMW 760Li 6.0L Excessive Emissions, Poor Fuel Economy Car has black smoke and intermittent engine hesitation.Have cleanned the induction system and fuel injectors.Have replaced the spark plugs and ignition coils. Have codes of 4 and 10 cylinder misfire. air mass meter 14.3--15.1kg/h at idle ,43kg/h at 2500. inje... |
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| 2004 Chevrolet Silverado 1500 LS 5.3L Misfire VIN: 2GCEC19T74 Merry Christmas everyone, I have a miss/skip that you can intermittently feel in the seat of your pants at idle. After 35 years experience it sure feels like the typical ignition miss. But, I have no misfires in history, no codes, no misses on my scope making ... |
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| 2007 Chrysler Sebring 2.4L heat VIN: 1C3LC56K77 has no heat tried to scan with modis. can only get into body controle. has no codes.heater hoses are hot at firewall, sure could use some help thank you in advance for your time. alldata is limited on the hvac system help. |
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| 1995 Dodge Ram 2500 5.9L Poor Idle Quality, Surge, Cuts out, Stall, Misfire VIN: 3B7KF23Z95 after overnight cold start vehicle runs great for a few minutes then starts misfiring and stumbling, until quits completely. then after several restarts and as temp comes up to norm vehicle slowing corrects itself untill reaching 170 deg. then vehicle runs gre... |
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| 2005 Dodge Grand Caravan SE 3.3L door locks VIN: 2D4GP24R85 Greetings! We have a 2005 Dodge Grand Caravan SE that is working on us! Problem: inoperative door locks- Upon my advise the customer took it to a dealer #1 who diagnosed it as needing a body control module. WE purchased said module from dealer #2, installed ... |
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| 1999 Ford Explorer XLT 4.0L Poor Idle Quality, Misfire VIN: 1FMZU34E6X TRUCK CAME IN ROUGH IDLE AND MILL ON FOUND ALL THE CODES LISTED ABOVE AND ALSO FOUND THE VACUUM LEAK ALSO THE PASSENGER SIDE HEAD HAS LOUD KNOCKING NOISE THOUGHT WAS THE TIMING CHAIN BECAUSE FOUND THAT IT WAS LOOSE. FOUND TSB FOR CHAIN NOISE AND DID THE REPAIR... Trouble codes: P0301 (p0302-), P0302 (p0303-), P0303 (p0172-), P0172 (p0174-), P0174 (testing and results) |
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| 2003 Ford F-250 Super Duty XL 5.4L erratic heat? VIN: 1FTNF21L43 this is a lawn service/plow truck. customer has replaced thermostat and flushed cooling system. complaint is inadequate air volume and erratic heat. volume was improved by blowing out heater/evap cores (full of dust and dirt!), and temp motor appeared to be ... |
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| 2005 Infiniti QX56 5.6L No Start VIN: 5N3AAO8A75 if anyone has had this problem before please contact me. engine is mechanically sound.just need to figure out why pcm isnt reconizing crank sensor .thanks in advance |
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| 2009 Jeep Compass Sport 2.4L Engine VIN: 1J4FF47B09 This engine sounds like a diesel when put in gear and driven. Up slight incline from home it rattles very loudly. Sounds just like a diesel. Once a little warm sound is gone. I confirmed complaint but that got it warm enough that sound was gone by time we got ... |
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| 2005 Kia Sorento EX 3.5L Driveshaft? VIN: KNDJD73335 Happy holidays to all, thanks for your time and input. 2wd Sorento, not sure if limited slip or open(found Kia bulletin that stated preload springs removed from carrier after 8/16/02, makes it act like an open when turning wheels by hand). Customer complains o... |
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| 1998 Lincoln Navigator 5.4L no-start VIN: 5LMV28L9WL Vehicle came in with a no-start condition.Tested fuel pump and replaced.Vehicle would not start and THEFT light was flahing. Customer stated that vehicle did this in the past.Stated that they could disconnect battery cable for a few minutes and then vehicle wo... |
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| 2004 Mercedes-Benz C230 Kompressor 1.8L Excessive Emissions, MIL Lamp on VIN: WDBRF40J14 Help please Mercedes Techs! This C230 will intermittently blow black smoke at partial load and has set the above self adaption faults. The customer has replaced the mass air flow meter and it tests good, o2 sensors are functioning properly and we have double c... Trouble codes: P2029 (self adaptation of mix. formation rich ar stop), P201C (self adaptation rich at part load) |
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| 2000 Mitsubishi Eclipse GS 2.4L radio VIN: 4A3AC44G4Y I HAD SOME BODY WORK DONE ON MY CAR AND THEY LEFT THE BATTERY OUT FOR 2 WEEKS AND WHEN I GOT IT BACK ALL I GET WHEN i TURN ON THE RADIO IS THE WORD CODE. i HAVE NO CODE AND i WAS WONDERING IF i COULD BYPASS THIS. |
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| 1996 Nissan 300ZX 3.0L No Start VIN: JNW34J9900 Customer on his way to Ohio from CALIF. No start, cranks over. He is outside Austin, Texas, in a town called Cedar Park. Need the name of a good shop I can direct him to. He has it at a shop but they are telling him it jumped time on the cam belt. I doubt it v... |
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| 2000 Oldsmobile Intrigue GLS 3.5L crank sensor VIN: 1G3WX5ZH8Y This vehicle will intermittently (50% of the time) crank, catch, die, crank for 5-10 seconds on the second trie and then will run fine. p1372 sets when this happens. replaced the crank sensor and the valve cover gasket that was leaking on the connector. We als... |
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| 1999 Toyota Corolla CE 1.8L noise VIN: 1NXBR18E8X i hope someone can help me with this one. a customer brought his corolla in with a complaint of a clunking noise over bumps. test drove car and heard a clunking/rattle over small bumps, but not on big bumps. the car is originaly from michigan and has a lot of ... |
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| 2003 Volkswagen Passat GLS 1.8L heater VIN: WVWVD63B03 There is no coolant being pumped up to the heater core. The heater core is not blocked but flushed out anyhow. When we took out the thermostat and reassembled & filled with water only, we got a lot of pressure pumped up to the heater core. While the thermostat... |
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| 2004 Volvo XC90 T6 2.9L Mechanical VIN: FIN23AUNPN merry christmas all tech i nedd yor help on this vehicle replace timing belt but i broke thermonstat housing so waitng for the part i jump start the car to pull in the shop when i crank noise at the starter may be vale piston hit the valve when it get to start... |
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Fixes & Summaries for All Makes and Models
| Fix/Summary | Answers | |
| 2001 Audi A6 Quattro 2.7L convertor VIN: WAUED54B01 I want to say thanks to all of you that replied to my help request. I decided to put in a new torque converter from the dealer, and at the same time I checked the axle shafts, drive shaft and also taking a glance at the tires, everything looked ok. got the veh... |
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| 2006 Audi A6 Quattro 3.2L Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, Misfire VIN: WAUEG74FX6 It is finally fixed. It went to two other local shops and then to the dealer and the dealer had it for a week and called the Audi engineers and finally found that it was the fuel pump on the engine, not the one in the tank, I checked the pressure of the one in... |
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| 2006 Audi A4 2.0L Poor Idle Quality, Stall, Misfire VIN: WAUAF78E86 Thanks for all the help! I did find a wiring dia. and traced wires for injectors. All 4 injectors where 1.3 Ohms. When I scope check 2&3 they where dead. Check wiring to ECM and wiring was good. I do not have scanner to code a new ECM so had to send to dealer.... Trouble codes: 00515 (cylinder 3 injector circuit electrical malfunction), 00514 (Cylinder 2 injector circuit electrical malfunction), 00771 (3 cylinder misfire), 00770 (2 cylinder misfire). |
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| 2002 Buick Park Avenue 3.8L Poor Idle Quality, Surge, Cuts out, Stall VIN: 1G4CW54K22 took a chance and put a pcm in it had it programed let the car idle for a hour then drove 3 different times 80 miles never missed a beat. the pcm was like 80 bucks reman so we took a chance. thanks for all the help I just could not get it to break long enough ... Trouble codes: P0102. |
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| 1998 Chevrolet K1500 Cheyenne 5.7L Misfire VIN: 1GCEK19R6W thank you everyone for replying. I forgot to mention i did change out the fuel filter and it was clogged up. It did not make a difference. The problem was the fuel pump assembly. It had pressure ,in fact the exactly thesame readings as another 98 chev. truck ... Trouble codes: P0171. |
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| 1991 Ford Mustang LX 2.3L Hesitation, Stall, MIL Lamp on VIN: 1FACP41M9M Well,I guess timing is everything.Posted this request day before Thanksgiving and only got 4 replies,so thanks to the four of you.Problem ended up being a bad new Ford TFI moduel.Went thru all pinpoint tests again and came up with same results.Just goes to sho... Trouble codes: 222 (Loss of IDM signal-right side). |
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| 1997 Ford F-250 XLT 5.4L Misfire, MIL Lamp on VIN: 2FTFX28L8V Okay guys well first off the problem is the rain water constantly getting in and not getting in due to bad boots or taking them off... The boots arent made to seal water that constantly gets on them.. I took the top cowl off and then the bottom cowl that scre... Trouble codes: P0308 (Cylinder 8 Misfire). |
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| 1999 Ford F-150 XLT 4.2L Rear brakes VIN: 1FTZX1722X Most of the replies recommended replacing the shoes and machining/ replacing the drums, which is exactly what I did. Several mentioned taking care that both the shoe and E.brake cable adjustments were critical as well. The shoes were adjusted during installati... |
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| 2002 Ford F-150 Lariat 4.6L alternator VIN: 1FTRX17202 Hello All, First of all thank you for all the replies. Decided to run external ground to alternator like some people suggested. Also going with OE alternator.Hopefully this will solve problem. Thanks again, Happy Holidays!!! |
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| 1998 Kia Sephia LS 1.8L harmonic balancer VIN: KNAFB121XW Thanks for all the reponses what corrected the problem was in deed the belts. 4 of you nailed it. The dealer did not have the replacement belts in the time allowed, but the dealer parts tech. said they have used GATES belts and he thought they would work. The ... |
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| 2005 Lincoln Navigator 5.4L LR Air Shock deflates VIN: 5LMFU28565 This is fixed. Quite an adventure. The left rear bag was still totally deflating. I thought I might have some debris in the solenoid. I let the system fill, shut it down, removed the air line from the LR solenoid, and then restarted the air ride system. The LR... |
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| 1987 Mercedes-Benz 300D 3.0L hvac VIN: WDBEB33DXH Thanks for the replies, I did go looking for the blower fuse and found that it had been replaced with a breaker. It resets itself, (even Better) But the problem I was having was #5 and #7 fuses. They feed the control head to the HVAC. Also sometime the tach an... |
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| 2002 Mercedes-Benz C230 Kompressor 2.3L Mechanical VIN: WDB3876901 THANK YOU FOR ALL THE REPLY WE REMOVE IT OUT OF THE ENGINE REPLACE OIL YUP IT'S COST $52.00 BUT THE CAR RUN MUST BETTER AND THE OIL IS LOW AND DARK LIKE BLACK COFFE MY REC IS REPLACE OIL WHEN IT MAKE NOISE BEFORE IT GETTING COSTLY . |
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| 1990 Nissan Stanza XE 2.4L red hot VIN: JN1FU21P4L Hate to close this without a fix. The customer came by stating that he really needed to get it fixed & I was taking too long, so he was going to take it elsewhere. I WAS taking a long time, but as with all headache jobs, sometimes they just have to be put on t... |
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| 1999 Volvo V70 X/C AWD 2.4L Poor Idle Quality, Hesitation, MIL Lamp on VIN: YV1LZ56D8X I'm happy to say that we got the car running fine now. The problem was a faulty used throttle body. So we installed another used throttle body and it runs like a dream and no CEL. Also programming is not needed as long as you match up the part numbers on the T... Trouble codes: 91A7 (Throttle unit Faulty signal), 4308 (Leak Diagnostic Evap). |
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