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Prev Professional Automotive Repair Technical Discussions for June 17, 2012
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Open Help Requests for All Makes and Models
Help Request Answers
1999 BMW 740iL 4.4L Head gasket VIN: WBAGH8331X
Hello BMW techs. My customer/friend and I need your help on this one. Here's the situation: This car came in to my shop running rough, flashing check engine light, and audible compression escaping one of the cylinders. A quick check of the codes indicated ran...
2001 Ford Focus LX 2.0L cooling fan
Engine cooling fans only work with A/C cylinder head awile back.. temp sensor just replaced..Resistor for fans was open replaced with new.. On scanner indicated temperature went to 228 degrees Fahrenhiet with A/C off with no command for the fans to co...
2004 Ford F-150 FX4 5.4L Seal VIN: 1FTPW14524
This vehicle has an oil leak from rear of engine, most likely rear main seal, I have two customers with this same problem and am puzzled because these engines are not known for rear main leaks, checked all tsb's nothing found, before I tear into this wondering...
2005 Ford Explorer XLT 4.0L braking VIN: 1FMZU73K35
this explorer is equiped with advance track and abs ... customer is complaining of a low brake pedal ,which it does have at hwy speed you cant make a fast stop .. if you mash the brake pedal it will go to the stop and the vehicle just slows down you cant get i...
2007 Ford F-250 Super Duty XLT 6.0L gauges radio powere windows instrument cluster VIN: 1FTSW21P37
hello everyone we have a 07 ford f250 super duty 4wd 6.o diesel turbo dtc uo155 intermittent loss of instrument cluster radio power windows gauges checked connections at pcm per scanner tip any help appreciated
2007 Ford Ranger XLT 3.0L No Start, Poor Idle Quality, Hesitation, Misfire VIN: MNAUS2E907
Vehicle has come in with poor performance problem/no start. Cleared TPS codes now vehicle will not start. No power to injectors. Have crank and cam signal at computor. No codes have returned. Trouble codes: P0122, P2135, P0227
2000 Isuzu N NPR-HD 4.8L Poor Fuel Economy, diminished power VIN: JALB4B147Y
This truck runs great but, does not have the power that it used to have and its mileage has decreased by about 2 mpg. I can't communicate with it with my scanner. There is no check engine light on. I'm not sure what to look at or where to turn. Please help.
1991 Mazda RX-7 1.3L Excessive Emissions VIN: JM1FC3316M
Hello RX-7 specialists. I have this old but low mile RX-7 that failed our IM 240 test. On first test the CO was 44 grams per mile, more than double the 20 GPM limit. I don't know alot about rotary engine cars, so I took it down to the emission technical center...
2007 Nissan Sentra SL 2.0L No Start VIN: VY11304587
Hi guys This car is actually a 1999 nissan sentra with a QG 15 engine. IATN did not give me that option. This car came in with P0335. Changed sensors both cam and crank sensor. The crank sensor code remained. A new engine harness was installed but the real pro...
1992 Toyota Pickup 3.0L Misfire, MIL Lamp on VIN: JT4VN82N0N
Have an intermittent code 12 (loss of rpm signal to ecu) truck will run rough when the ecu sees this problem...need help please Trouble codes: 12 (Loss of rpm signal to ecu)
2006 Toyota Sequoia Limited 4.7L Cuts out, Stall, MIL Lamp on
Truck was towed in wouldnt start.Upon inspection.It will start sputter for a 15 to 30 seconds and stall.Smelling as though it was running very rich I tried to throttle it up(drive by wire)and realized I have no throttle action.prolly why it smells richs.I chec...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2006 BMW 750Li 4.8L abs VIN: WBAHN83566
so it seems that someone else had worked on this car what I found after hours of diag was that the pins to the left front wheel speed sensor at the abs module were spread tightend them up a bit and all seems fine as of right now
1993 Cadillac Fleetwood 5.7L no crank VIN: 1G6DW5270P
Purchased bypass module from Bakerelectronix as per several replies and car starts and runs fine. FYI:other internet modules ranged in price from 180.00 to 300.00-Bakers module 45.00!!
2007 Chevrolet Impala LTZ 3.9L Poor Idle Quality VIN: 2G1WU58RX7
Thanks to all the tech who responded to my trouble and thanks to John and Roger who is right on the money. The problem was fixed with just taking the battery cable and by touching them for a few minutes to erase that keep alive memory and for the computer to r... Trouble codes: P0171, C0561.
2003 Chrysler Concorde LXi 3.5L No Start, MIL Lamp on VIN: 2C3HD36M23
Thanks for all the help, ended up replacing the crank sensor so both cmp and cmp were new, still same problem, several people suggested to use oem parts, I used napa cmp sensor, replaced again with oem part, problem gone, vehicle has been starting great for se... Trouble codes: P0340 (Cam signal sensor A).
2002 Honda Civic Si 2.0L MIL Lamp on VIN: SHHEP33542
Thanks for every ones response on this. I found that the vtec oil psi switch wasn't connected. The old vtec valve did not have a pressure switch in it, it had a plug in its place and the wire connector was taped up in the wire harness.When I took the new vtec ... Trouble codes: P1259 (Vtec system fault).
2008 Pontiac Grand Prix GXP 5.3L abs trac
Unhook the current sensor at the battery and dverything works great shorting out when wet
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