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Prev Professional Automotive Repair Technical Discussions for July 16, 2011
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Open Help Requests for All Makes and Models
Help Request Answers
2001 Audi A4 Quattro 2.8L Brake booster VIN: WAUDH68D51
Production date 05/00. This VIN reads as a 2001 which should hav an aux. vauum pump but it does not and never has. This Audi has an extremely hard brake pedal after it has been first started in the morning. I first looked at it and confired the condition las...
2007 BMW 328i 3.0L MIL Lamp on VIN: WBAWV135X7
Hello iatn...i have here a 2007 bmw 328i with a no start. Pulled the codes and got a 2aa1 cam sensor outlet signal. All data doesnt give much diag info for this car. I switched the two cam sensors to see if the code would switch but it didnt, need some directi... Trouble codes: 2AA1
2004 Chevrolet Malibu LT 3.5L turn signals VIN: 1G1ZU54864
vehicle came in with melted front turn lenses, we replaced bulbs with tsb recomended bulbs, and completed tsb for ground issues. it came back and we replaced with new headlight ass. once again and replaced bulbs once again. vehicle is now back a third time wit...
2008 Chevrolet Cobalt LS 2.2L high pressure VIN: 1G1AK58F98
Dear techs. How is everbody today? We are fine but HOT! Around 90 and climbing. Of course you know what everbody wants; good cold A/C! me included. I have this Cobalt here that was front ended then fixed, but the A/C system was open for some time. The body sho...
2008 Chrysler Town & Country (Van) Touring 3.8L Starting VIN: 2A8HR64X58
This van has been back to the dealer for intermittent starting many, many times. Customer states that randomly when you go to start it, you get a click and then nothing. Engine does not turn over. Nothing electrical. Wait a couple of minute, or hours, or overn...
2000 Dodge Intrepid 2.7L No Start VIN: 2B3HD46R6Y
This is my wife's car and this morning it just quit on her. I scanned it, found the code for cmp/crnk sensor and was getting no sync signal. Unplugged the cam sensor and the car started up so we drove it home. I've tested the wiring between the cam sensor and ... Trouble codes: P1391 (Loss of CMP and/or CRNK Signal)
2003 Dodge Ram 2500 Truck 5.9L control VIN: 3D7KU28C04
Any speed I can hit a bump in the road and the steering goes out of control until I stand on the brake to slow almost to a stop. Has someone in the world found a cure for this?
1996 Eagle Talon 2.0L Excessive Emissions, Monitors reset VIN: 4E3AK44Y2T
Vehicle Came in for Rejection at state test lane. O2, O2 Heater, Cat, Egr, and Evap. Monitors wont set. No codes were stored. Scope Checked O2 Sensor and was very slow at responding to propane. Replaced Upstream O2 sensor and was now able to set all monitors b...
2002 Ford Ranger XL 2.3L Hesitation, Surge, Poor Fuel Economy VIN: 1FTYR10P22
this is a 2002 ford ranger 2.3 lt. that has had multiple new parts replaced for this same ploblem. the truck has no power , and surges on accleration.runs fine at idle and once leveled off at highway speeds . fuel milage also decriesed. recieving no codes
1997 Kia Sephia LS 1.8L head gasket VIN: KNAFA1250V
Car came in with lots of white smoke, bad miss fire, very clean #1 piston, obvious head gasket failure. Replaced head gasket, started up and smoked just as bad. After warm up improved, on test drive ran great. Customer called next day, was missing again and lo...
2000 Mercedes-Benz E430 4.3L ignition lck cyl VIN: J4YB163916
Have this 2000 mercedess e 340 ,ignition key does not turn the ignition lock cyl,ignitin cyl is a module by itself, can not get any code ,any idea how cani by pass it so at least tun it to on position in order to get code, car is a bank repo cam like that.
2001 Nissan Sentra SE 2.0L Poor Idle Quality, Hesitation, Stall, Misfire VIN: 3N1BB51D91
Good day all, Vehicle came in with rough idle at cold start and sluggish feeling when acclerating. Engine light was not on but scanned for codes anyways - P0300 and P0171. Did not find any misfires and system is not running lean. Tried replacing front o2 sen... Trouble codes: P0300 (Multiple Cylinder Misfire), P0171 (Lean)

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2002 Chevrolet Malibu 3.1L Radio VIN: 1G1NE52J42
Thanks to all that responded about this vehicle. It ended up being the ignition switch. Upon first looking at it I missed the fact that one leg of the switch fed the cluster and the radio and once I unplugged it my problem was gone. I replaced the switch, a...
1998 Dodge Ram 1500 Truck 5.9L Poor Idle Quality VIN: 1B7HC16ZXW
the problem was the upstream o2 sensor . I was looking for vacuum leak problem as was some of the replies.Others pointed to o2 sensors. Bruce suggested to unplug 02 sensor and run it to see if it acted up . It did not act up,replaced the sensor. Thanks to ever...
1994 Ford Explorer XLT 4.0L Fluid VIN: 1FMDU34X8R
I finaly got the it back n the the shop and THANK YOU to you all it was the modulator valve I worked on so many standards I for got abuot that.
1998 Ford Contour SVT 2.5L Security System
Thanks for the help with this one, it ended up being the aftermarket keys were no good. I got a set of keys from a good local lock shop had them cut to the original lock cylinder and had no more problems. I hate it when you get new parts that are no good it w...
2005 GMC Sierra 1500 4.3L alternator VIN: 1GTEC14X55
well the fix ended up being a poor connection at the power junction block on the drivers side of engine bay, cleaned and tightened,and all is well. Thanks to all who replied.
2007 GMC Canyon SL 2.9L Ignition, alarm VIN: 1GTCS14997
Ok, first lt me say that this is the other tech's vehicle. He replaced the ignition switch, which come as a complete assembly with the cylinder housing. Issue has not returned/shown it's ugly head since then, but did he fix the problem?? As mentioned, there wa...
1999 Honda Accord EX 2.3L Stall VIN: 1HGCD715XR
most are suggesting that the ign switch will end up being the cause but just have not been able to condem anything believe we will replace switch and see if continues for customer or if fixes the problem
2003 Honda Pilot EX 3.5L A/C compressor clutch and condenser fan relays VIN: 2HKYF18563
Thank you to everyone who replied to my request for help. A new Climate Control Unit fixed this one. I wasn't sure if a blank screen on entering self diagnostics indicated a problem with the controller or was normal for no codes--it is normal for no codes. Jo...
1994 Mercedes-Benz C280 2.8L No Start VIN: WDBHA28E3R
Again, I can't thank you all for the time you take to respond to other help requests. It's greatly appreciated! Went ahead, ordered an OVP relay, installed it this morning and fired right up! Thanks again and enjoy your weekend! AJ
2001 Nissan Maxima GLE 3.0L no shift VIN: JN1CA31D81
Thanks for all the suggestions, I ended up having the instrument panel checked and then rebuilt, it seems to have cured the problem.
1996 Pontiac Sunfire SE 2.2L security VIN: 1G2JB1242T
Ok, thanks for the help all. Good ideas, most of which I already tried unsuccessfully. After many days of frustration, I borrowed a Tech 2 and reinitialized the instrument cluster. This seemed to allow the anti-theft system to relearn and the vehicle started r...
2007 Saturn Vue Green Line 2.4L MIL Lamp on VIN: 5GZCZ33257
battery was n/g.customer went back to dealer.battery was under warrranty. Trouble codes: P1A59, P1A6F.
1994 Toyota Pickup DLX 2.4L Excessive Emissions, Poor Idle Quality VIN: JT4RW13P6R
Hello! We got this toyota fixed! After reading your replys, went ahead and missed with the adjustment screw 1/2 turn on the air flow meter and watched co and hc readings, they came down but not enough to pass are emission standerds. We decided to pull off the ...
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