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Prev Professional Automotive Repair Technical Discussions for November 25, 2011
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Open Help Requests for All Makes and Models
Help Request Answers
1998 Buick LeSabre Custom 3.8L Airbags VIN: 1G4HP52K8W
Airbag light on w/code b1071 internal sdm problem, and b1024 drivers loop short to ground. With airbag componet off of steering wheel and wire harness disconnected from sdm [safety detection module] we ohmed out circuits 347 and 348 these are the two circuits ...
1969 Chevrolet Camaro SS 6.5L Poor Idle Quality
this car has had a 427 put in it and was built by someone I can not get to. customer was told it needed a carburator he put one on then called me still ran very bad timing was at 10 had only 4 inches or less of vacume so I cranked the timing to 47 before I get...
2006 Chevrolet Colorado LT 2.8L Turn Signals VIN: 1GCCS14896
The turn signals flash left when the switch is in the middle,flash right when switch is right and flashes right when the switch ias to the left.I check all the bulbs to make sure they where not back feeding,Unplugged the hazard switch,And located the flasher b...
2007 Chevrolet Impala LT 3.5L engine VIN: 2G1WT58N47
This engine develops fairly loud tapping noise somewhat like a lifter but is less sharp (metallic) and more of a squeaky tone when fully warm and only at idle. Noise seems to be coming from center of engine. Otherwise car has no problem with no codes or misfir...
2008 Chevrolet Impala LS 3.5L Rough on cold start VIN: 2G1WB58N68
After vehicle sits for 4 plus hours it will miss and run rough for a period of 2 to 10 seconds and maybe even stall. It doesn't idle fast either. The feeling from the drivers seat is that of a lean condition. No codes. No miss fires on misfire monitor. Perhaps...
2007 Dodge Caliber SXT 2.0L Rear Wiper VIN: 1B3HB48B77
Happy Turkey Day Everyone!!! The Rear Wiper in this Vehicle is Not working. Guys this was handed to me from another Tech in our shop. From what I understand, there is three wire harness that plugs into the the rear wiper motor. Two wire have 12.5v and One is ...
1997 Ford Expedition Eddie Bauer 5.4L Misfire, MIL Lamp on VIN: 1FMFU18LXV
We did a tune up and filter change the truck ran a lot better but failed the emission test. with the scan tool we got a misfire in # 5 cly. we changed the coil and tested it again and it ran perfect until it heats up and then it will start with the miss again.... Trouble codes: P0305
1998 Ford Ranger Splash 4.0L Misfire VIN: 1FTYR11X6W
we have a weird one here. cyl no.3 misfire,cyl contribution test shows negative numbers in the 20's. tested compression all ok. Tested injectors all ok.pulled lower intake and found the runners for cyl. 3 very clean. the rest had carbon build up etc.i noticed ... Trouble codes: P0303
1998 Ford F-150 Lariat 4.6L No Start, Poor Idle Quality, Hesitation, Surge VIN: 1FTZX17WXW
thanks in advance to all who replied. well vehicle came to me running fine,failed emissions, chk eng light on, po171,174,and 131. smoked test showed intakes leaking,st trim 0 lt trim 35.replaced intakes,fuel filter, and right upstream o2,also plugs.since doing...
2005 Ford Five Hundred SEL 3.0L oil pressure VIN: 1FAFP24165
Well Its a holiday weekend so of course we have a problem vehicle. Ford came in for an oil change and a tune up. Did the work, test drove, and parked the car. After sitting for and hour or so, when the vehicle was started - the low oil pressure message + lite ...
2005 Ford Escape Hybrid 2.3L Stall VIN: 1FMCU95H95
This vehicle will run about 10min then the red triangle light for the hybrid warning comes on,, i get this codes p0a27,p1a10 at ecm and b1342 at the bcm .. The only way i can get vehicle back on is by disconecting the 12v battery for about 5min... Then it will... Trouble codes: P0A27, B1342 (Faulty control module), P1A10
2004 GMC Sierra 2500 HD SLE 6.6L coolant leak VIN: 1GTHK232X4
Hi, folks. I'm hoping the Duramax gurus can help me with a couple of questions. This '04 has an external coolant leak from the #1 injector. I did pull the injector and found the O-ring (which is basically just a dust seal on these, correct?) mispositioned. So ...
1993 Honda Civic CX 1.5L No Start VIN: 2HGEH2354P
Looking for crediable electrical scematic for this vehicle, all data shows a very generic overview of the main relay, when concern is present there is no ground at the relay and multiple wires with the same color insulation and traces, would like connector and...
2005 Hyundai Santa Fe GLS 3.5L MIL Lamp on VIN: KM8SC73E25
Hi folks & Happy Thanksgiving to all. This Santa Fe was at another shop for P0401 hard code. They replaced the egr & solenoid. When it came to me, I checked tsb's in regard, found one and followed the diagnostic flow chart. I found several collapsed vacuum hos... Trouble codes: P0401 (insufficient egr flow)
1993 Isuzu Trooper LS 3.2L Timing VIN: JACDH58W4P
I need to know the timing since alldata & on demand 5 diagrams dont match with the reality. I,ve been looking at the pictures in both programs and it does not have sense. I need to see the cams timing and the belt timing
1993 Isuzu Trooper LS 3.2L Timing VIN: JACDH58W4P
I need to know the timing since alldata & on demand 5 diagrams dont match with the reality. I,ve been looking at the pictures in both programs and it does not have sense. I need to see the cams timing and the belt timing
1992 Lexus ES300 3.0L Mechanical VIN: JTDYS3472N
Happy holidays guys...please help, i am working on 92 lexus es 300. Vehicle came in for a coolant leak,i found a left cylinder head gasket leaking.. I remove it and replace head gasket..while disassembly cam bearing i am totally forgot to notice which way was ...
2001 Mercedes-Benz S500 Guard 5.0L MIL Lamp on VIN: WDBNG75J61
I hate this car. this is the wifes car, has all 4 02 sensor codes in it, went to check heater circuits for opens and the trans connector was leaking oil... filled the transmission module full of fluid, cleaned that all out, installed new connector, cleaned flu... Trouble codes: P2110, P2083, P200F, P2082
1996 Saab 900 SE Turbo 2.0L No Start VIN: YS3DF78NXT
Greetings: I have this 96 Saab 900 convertible that intermittently will have a extremely long crank no start. Then without any much pattern will start and run fine. When the no start occurs, No codes present, have good crank pattern with scope and also has new...
2005 Subaru Outback XT 2.5L Fan VIN: 4S4BP68C25
Hi group this subaru was fine til the customer turned it off, re-start 1/2hr later no power and cel on. Hooked up my pegisys found p0607. Performed diagnostics, all data says replace ecm?? fan on the left runs allways, even codes cleared none came back. Need...
2003 Toyota RAV4 2.0L No Start, MIL Lamp on VIN: JTEGH20V43
I had the SUV towed in a few weeks ago from another shop with a no start problem. No injector pulse and no fire. Checked cam and crank sensors on scope all waveforms appeared ok. Replaced ECU with used unit vehicle ran for about 5 min then stalled and will not... Trouble codes: P0100, P0110, P0115, P0120, P1656
2001 Volvo S40 1.9L MIL Lamp on VIN: YV1VS29501
This vehicle came to the shop with codes 28 and A1 (p0133 and p0128) stored in computer. Origionally diagnosed and found thermostat opening early and the fuel pressure regulator was leaking fuel. Replaced both and engine heated up correctly. Test drove and fou... Trouble codes: 1 (p0133), 1 (p0133)

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
1998 Audi A6 Quattro 2.8L MIL Lamp on VIN: WAUBA34B6W
sorry for delaying the post! I thought I have ciosed the request but I guest not. We didn't fix it. We try to clean the blockage without removing cylinders,but no success. Customer decided to live with the problems. I don't blame them. It is too much efford to... Trouble codes: P0411.
2006 Chevrolet Silverado 2500 HD LT 6.6L Cuts out, MIL Lamp on, loss of power VIN: 1GCHK23D26
Well Thanks for all those great responses and help. I replaced all the injectors that had the high return flow rates, in this case I replaced all of them. We gave back the truck to the customer and have been following up with him, so far its been ok. Trouble codes: P0087 (low fuel rail pressure).
1989 Dodge Raider 3.0L Excessive Emissions VIN: JB7FJ43S9K
unfortunately we had ordered an oem sensor from our local dealer after waiting several weeks,dealer was unable to find locate a new sensor due part being obsolete,at this point customer has decided to trade this vehicle in & purchase a new jeep wrangler.many t...
2003 Dodge Ram 2500 Truck 5.9L No Start VIN: 3D7KA28663
Truck is fixed! Thank you for all the replies! I did purchase a #5 injector feed line to make a coulpe of block off fittings with but didn't need them. I ordered a video and book for the 5.9 from AVI that helped take the help replies to the next level. Man...
2006 Dodge Charger R/T 5.7L Hesitation, MIL Lamp on VIN: 2B3KA53H46
THANKS TO ALL SEEM LIKE EVERYONE AGREED EGR VALVE AND WE REPLACED IT AND DID RELEARN AND ALL IS FINE. THANKS AGAIN Trouble codes: P0404 (Egr postion sensor performance), P0405 (Egr postion low).
2004 Ford Freestar SES 3.9L MIL Lamp on VIN: 2FMZA57614
Most of you said replace the unit if I had exhaust and vacuum under it, as everything checked out I've took the advice and ordered it. Thanks to all that replied, some very good information sent, again thanks for sharing! Trouble codes: P0401 (insufficient flow EGR).
2006 Ford Five Hundred Limited 3.0L stumble VIN: 1FAFP28156
well i think this one is fixed. has been a week now and customer has not called back, no news is good news. took a shot and put a coolant sensor in this car because readings were always 20 and deg colder than act temp. strange thing is air temp read the same. ...
2010 Ford fusion 3.0L Steering VIN: 3FAHP0HG9A
snap on scaner would not relearn steering angle sensor I was able to relearn it with the ids
2001 GMC Sierra 2500 HD SL 6.6L Cooling Systems VIN: 1GTHK23151
Marco was right, it was a blown head gasket believe it or not. Customer was in too much of a hurry and had to have it that day, wanted to get oem thermostats (we are in a remote area and have to order parts out of town. its sad no one makes any decent aftermar...
2001 Lexus LS430 4.3L vsc light on VIN: JTHBN30F81
Only a toyota or a Lexus dealer has the software to be able to reset this vehicle problem. So we took the vehicle tour local Toyota dealer and they did steering angle relearn on the lexus and $105 later the lights were off awesome ,,, we have a vehicle up on t...
2005 Mercedes-Benz CLK320 3.2L convertible top VIN: WDBTK65G75
Real quick, Yeah i'll buy the "pot hole" caused roll bar, logic. Our fix for the trunk divider was new struts for it, real easy/ pop-off pop on deal. Car left with the top working like a charm. Thanks again ace. Sorry for the wait, i forgot i had this post ...
2002 Toyota Tacoma DLX 2.7L Excessive Emissions, MIL Lamp on VIN: 5TEWM72N52
Sorry for taking so long but had to make sure truck was turns out that after checking if the other repair shop put the right a/f sensor in with the part store called toyota and gave them the number off of the sensor(it was the wrong one)got the right ... Trouble codes: P0138.
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