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Prev Professional Automotive Repair Technical Discussions for April 26, 2009
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Open Help Requests for All Makes and Models
Help Request Answers
2004 Audi A4 3.0L Power steering VIN: WAUDT48H64
Customer original complaint was after driving 5 - 10 minutes, power steering became noisy. We test drove it, sure enough, the power steering became noisy. It wasn't loud, but noticeable. We opened the reservoir, found it to be full, but also a layer of foam on...
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1949 Chevrolet std 5.0L Hesitation, MIL Lamp on VIN: KAA5703901
Car came in and would almost not go down the road under power. Checked timming and it was to advanced,code42 in computer. Changed module in distributor and set at 0 and hooked up wire. Now I can drive car down the road when it is warm and it seems to run bette... Trouble codes: 42 (est circuit)
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2003 Chevrolet Silverado 1500 5.3L shift motor VIN: 2GCE19T531
Customer came in intermttent 4x4 light operation. Every time the truck was started the auto 4x4 light would be set on a diffrent setting, then got stuck in 4 hi.the motor sounds like it wants to shift. We replaced 4x4 switch and shift motor sensor, then shift ...
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2002 Chrysler Sebring LXi 2.7L MIL Lamp on VIN: 1C3EL55R32
no drivabilty issues just the light coming on once a week or so. tried two egr valve now just to be sure ist valve might have been bad. autozone valves but Ive used them before with no problem. Trouble codes: P0403
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1999 Dodge Durango SLT 5.2L oil pressure VIN: 1B4HS28Y1X
oil pressure is fine until it is driven then wheile driving it will drop to zero, im very confused it has great oil pressure while sitting still then when driven the oil pressure will just drop to zero
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1968 Ford Shelby GT350 2.5L Headlamps VIN: SFM6S10582
Hi All, I have a customer with a GT350 where the headlights dim every time the brakes are applied. Have replaced the switch unit on the dash which was not in a good state but issue is still there.Any suggestions? Thanks,
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2000 Ford F-550 Super Duty XL 6.8L Poor Idle Quality, Lack of power VIN: 1FDAF57SXY
AAARRRRGGGHHHHH!!! This took up my Saturday--OPENING DAY of fishing season!!! Heres the deal. Customer complains of lack of power, rough idle, NO ses light on. No problem, its a Ford. Checked codes anyway, pending for P0171, 174, of course. Checked Map/Baro PI...
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2005 Ford E-450 Super Duty 6.0L No Start VIN: 1FDXE45P75
Hi all, have a E450 6.0 L no start when cold. Problem is intermittent. When vehicle runs, it runs well and does not set fault codes. When the no start occurs, it usually has different codes stored. Occasionally there is a cam sensor output circuit fault. KOEO/...
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1997 GMC Pickup K2500 7.4L CKP sensor reluctor
I am replacing the Camshaft due to roller lifter failure.I plan on replacing the timing set as well. Service manual says to replace the CKP reluctor any time it is removed. I have not yet pulled this one. I was wondering why it is not "reusable" if it is not d...
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2001 Mazda Millenia 2.5L Stall VIN: JM1TA22121
Brought in late Monday so I look at it Tues morning and has complaint of missfire and rough running on startup. Found p1345 and did testing according to alldata and identifix. Determined that dist needed to be replaced. Ran worst than before and code returns. ... Trouble codes: P1345 (cam sensor circuit malfunction)
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1986 Nissan Maxima SE 3.0L Cuts out VIN: JN1HU11P7H
vehicle just shuts down. idle,under load,. when it shuts down it would not turn back on. af ter it cools sometime it turn on . checked the fuel pump and its good. relay are good. can some one help?
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1995 Oldsmobile 98 Regency Elite 3.8L Cuts out, Stall VIN: 1G3X52K4S4
hello group hope you can shed some light on this one. this 1995 olds 98 will die on you then no start for brief, then fires and runs great, was at thee other shops before friend sent her to me, i was at buick and chevy dealer for 14 years and now at chrysler s...
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2000 Pontiac Firebird Formula 5.7L No Start VIN: 2G2FV22G3Y
ran checks fuel pressure ok, no fire at cylinder 1,3,2,6, but inj. firing good. engine starts runs about 2 seconds and dies, but those cylinders never fire coils, have changed coils still no fire.
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1995 Toyota Tacoma DLX 2.7L Hesitation, Cuts out, Stall, Misfire, MIL Lamp on
Truck idles fine. Press peddle and just a blah with hardly any rpm increase. Have a constant recurring P01070 code (fuel trim). I did an unregulated fuel pressure test and it was good. If I open throttle with return line pinched rpms improve. Sounds like a pre... Trouble codes: P0170
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2002 Toyota Highlander 3.0L Poor Idle Quality, Misfire, Poor Fuel Economy, MIL Lamp on VIN: JTEHF21A82
problem started about six months ago, owner complained of intermittent missfire, never happenned when i test drove. two weeks ago missfire was constant under any load, checked codes p0300, p0301 random missfire and number one missfire. replaced spark plugs, co... Trouble codes: P0300 (random missfire), P0301 (1 cylinder missfire)
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1999 Volkswagen Passat GLS 2.8L Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, Misfire VIN: WVWMD63BXX
car brought from another shop and got code 17953-throttle valve control and P1544-cam sensor code. replace both cam sensors and throttle actuator and have the same code. perform throttle adaptation and still runs poorly. the catalytic converter is red hot. wha... Trouble codes: 17953 (throttle valve control), P1544
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Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2001 BMW M5 5.0L Mechanical VIN: WBSDE93461
Hello, Everyone who responded was great. I am currently tearing it down, so I do not have a root cause yet. But this post has been opened for a while and this has become a project on the side. I f I can up date later I will, but I do not want to leave post ...
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1972 Chevrolet corvette 5.7L louver door VIN: 1Z37K2S507
Thank you very much for all the input!! I finally got to the bottom of the problem when I noticed that the valve underneath the passenger side wiper arm wasn't in the right position. Every time the wiper blade came down it hit this valve allowing vacuum to "...
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2003 Chrysler PT Cruiser Limited 2.4L Hesitation, MIL Lamp on VIN: 3C8FY68B43
I didn't realize i had gone past the close date, i'm sorry. the car is scheduled to come back in on wednesday (finally) had three responses, one said its a crank sensor code and to replace crank sensor, however we have graphed it and works perfect and doing so... Trouble codes: P0315.
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2005 Chrysler PT Cruiser Limited 2.4L Cuts out, low power VIN: 3C8FY68825
Okay, first of all let me say thank you for all your help to everyone that responded. I was still really suspicious that I might have a mechanical problem here as I could see the MAP and TPS both change values on the scan tool but not get the correct readings ... Trouble codes: P2074.
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1997 Ford F-150 4.6L no start VIN: 123456790
I did the shot gun approach installed fuel pump, fuel filter adn crank sensor, crank sensor was cheap. Will see if it fails in the future. I am saving all the other coments about wiring and fuses just incase. Thank you all for your suggestions.
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2006 Ford F-250 Super Duty XLT 5.4L Hesitation, Surge, Cuts out, Stall, Misfire, MIL Lamp on VIN: 1FTNX20566
customer picked up vehicl will bring back for repairs Trouble codes: P0300, P2104, P2111, P2112.
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2006 Ford Taurus SE 3.0L No Start VIN: 1FAFP53U26
Car is fixed. I did not want to close this out until I was sure. Like Jaime said it was related to anti theft when I finally got it to do it the only thing I was missing was injector pulse. Which is the function of the pats on this model.Also noticed that the ...
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1999 Jeep Grand Cherokee Limited 4.7L ABS Module VIN: 1J4GW68N9X
Thanks to all that responded / replied to my post. The general concensis seems to be that this problem can not be fixed. It is true that the controller or CAB cannot be replaced with a newer one. I did ohm out the sensors and found that they are the same resis...
5
2001 Subaru Outback L.L. Bean 3.0L brakes VIN: BHE0003840
sorry no fix on this one, sent it to the dealer and they coundn't even scan the vehicle!! I decided this car wasn't a job that can earn money so it's the car owners problem
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2002 Subaru Impreza WRX 2.0L cooling fans VIN: JF1GD29642
after all my testing i believe the pcm is bad however owner did not want to order it without having dealer run some test.thanks for info on this problem!
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2004 Volvo S60 2.5T 2.5L MIL Lamp on VIN: YV1RS59V34
fuel pump fixed this car. vida/vadis are Volvo's internet pc based scanner/diagnostic/download programs. I don't know if Autologic, Assenmacher or others have bidirectional tests that can run this late model "demand controlled fuel system" through functions... Trouble codes: ECM21.
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