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Prev Professional Automotive Repair Technical Discussions for May 2, 2009
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Open Help Requests for All Makes and Models
Help Request Answers
1992 Acura Integra LS 1.8L MIL Lamp on VIN: JH4DA9459N
I need wiring diagram for ECM computer in & outs.
1992 Chevrolet K1500 Cheyenne 5.7L Master Cylinder VIN: 1GCEK14KXN
Hello GM Truck Techs, I hope I can find someone thats experienced this. This truck (1/2 ton)4wd will crack the master cylinder housing just before where the line goes on near the roll pin like clockwork about every 2 months depending on how much its drove. I h...
1995 Chevrolet Tahoe LS 5.7L master cyl VIN: 1GNEK13K5S
Tahoe came in for a hard pedal. Determined power booster was bad. Rear shoes also metal to metal. Installed master cylinder, power booster, shoes, rear hardware, new drums, new rotors and pads. Truck now has a soft, spongy pedal. Bled system numerous times. Re...
1998 Chevrolet Tahoe LS 5.7L Misfire VIN: 1GNEK13R1W
compress is low on #5cyl.about 130psi. Trouble codes: P0300
2001 Chevrolet Impala LS 3.8L No Start, MIL Lamp on VIN: 2G1WH55K01
HI out there I am in need of help from you gm tecs or pcm networking tecs out there this is the kind of challenging we all love to figure out but pull are hair out trying to fix it this car comes to me from another shop that has spent 3 or so weeks on and has ... Trouble codes: U1000 (data line), U1016 (loss of pcm data line), P1631 (theft code)
2001 Chevrolet Impala LS 3.8L battery drain VIN: 2G1WH55K41
the battery goes dead over night I pulled fuse for ecm,bcm,I/C and draw of 1.98 amp goes away I disconnected ecm with no change if I disconnect bcm and icm the draw goes away with just the I/C disconnected there is .48 amp draw which I would consider normal co...
2005 Chevrolet Impala 3.4L TempGauge/ECM VIN: 2G1WF52FX5
The fans work correctly, all fuses are good, waterpump, thermostat and ECT sensor have been replaced. ECM thinks engine is OVERTEMP as soon as the engine is started and goes into Limp Mode even though engine has NOT run long to get HOT. It is as if the engine ...
1993 Dodge Dakota 3.9L No Start VIN: 1B7GG23X8P
truck came barely running,scaned no codes,shows rpm and scanner says sync is ok,has good spark and fuel.it won`t run now but sounds like timing is out.timing chain relative to rotor and crank movement looks good.tps,map,coolant temp,grounds, power,all looks ok...
1988 Ford Ranger STX 2.3L horn VIN: 1FTBR10A5J
does anyone out there know where the horn relay is located on this old ranger?i have been all over the place on this bomber and cannot find a relay with a yellow wire with green hash lines.ford techs please help!
2002 Ford Focus SE 2.0L Electronic VIN: 1FAFP34312
The main problem we have right now is that the speedometer does not indicate the correct vehicle speed. Example, if you are doing 40mph, the speedometer reads 20mph. On the scan tool, the vehicle speed sensor indicates the same MPH as the speedometer. A new sp...
1992 Geo Storm 1.6L Poor Idle Quality, Cuts out, Stall VIN: J81RF2366N
This is my personal car.Car starts and idles fine when cold.After it heat up to almost operating temp. it idles up & down.It has no codes and datastream seems ok. See all I REPLACED IN PREVIOUS REPAIRS. When coming to a stop car will stall everytime, but alway...
1996 GMC C1500 Sierra SL 4.3L MIL Lamp on VIN: 1GTEC14W5T
Hello, This truck runs and drives great however it keeps throwing a PO300 on the misfire history counter it shows, #1 24000 misfires #2 5 #3 19 #4 1976 #5 12 #6 22 when excellerating it may show 1 or 2 misfires on #1 and #4 but on deacceleration it sh... Trouble codes: P0300
2003 Honda Civic Si 2.0L Excessive Emissions, Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, Misfire, MIL Lamp on VIN: SHHEP33513
This vehicle came in barely running.Misfiring on all cylinders.Way too much fuel,plugs were black.Oxygen sesnsor comes and goes.When it is reading its 1.2 volts and long term and short fuel trims maxed fuel reduction.I have good spark to all cylinders.Replaced... Trouble codes: P0134, P0301, P0302, P0303, P0304, P1259
1946 Jeep CJ2A 134CID engine
This jeep is used almost exclusively for off road low speed operation, crawling around the woods and over rocks, etc. Always had good oil pressure, oil changes often, good maintenance. Recently a noise developed that happens after the engine is warm and has ...
2001 Jeep Grand Cherokee Laredo 4.0L security enabled VIN: 1J4GW48S31
Hello All, I have read a ton of past repair history. I found some similar, but nothing that could help. Jeep came in for a replacement window regulator. Also had an exitsing problem with the instrument cluster not working properly. Replaced the window regulato...
2001 Lexus LS430 4.3L key fob door locks windows except drivers door VIN: JTHBN30F01
this lexus is a very clean car looks like new. customer complaint is the key fob wont unlock the doors or pop the trunk. and factory alarm some times goes off when opening the car manually opon inspection the door locks wont work by either switch or the key fo...
1991 Lincoln Town Car 4.6L air bag light flashes code 44 VIN: 1LNCM81W2M
We have a 91 town car with a flashing air bag light code 44 ..rh crash sensor not properly attached to vechile. the connection seems ok .. does anyone have a flow chart diagram for testing this sensor and /or resetting the air bag light? my fax # is 1-508-2...
2002 Mercedes-Benz SLK320 3.2L vario roof VIN: WDBKK65F02
Vario roof switch flashing. Codes b1011 and b1273 limit switch. I have read posts where broken wires were found. Does anyone know if there is a common location for a break in the harness? Also, I would like to check the micro switches at each latch/lock, howev...
2001 Nissan Sentra GXE 1.8L engine VIN: 3N1CB51D21
Engine stalls and starts up immediatly.
1999 Volkswagen Jetta GLS 2.0L 3,4 shift VIN: 3VWSC29M7X
when you reset throttle body (tb) adaptation what is the final reading for adp ok? 100% or 70% how do you reset or reprogram the tcm--i use vag.com and modis i am leaning towards vb--anyone have experience with the sonnex tcc lockup kit? anyone have a good s...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2001 BMW M3 3.2L Differential VIN: WBSBR93401
I've been working on BMWs for many years. I thank you all for your replies and I am well aware of the the fluid issues. However, as I stated in my comment I had already checked the fluid before disassembly and was positive this is not a fluid issue. I am the f...
1995 Chevrolet Corvette 5.7L No Start VIN: 1G14422P7S
Hello Fellow Tech's I thank you ALL for your replys. Fuel pressure was good and carb. spray did not change anything. Although the fuel injectors were out of spec., this engine did run before. I thought about the timing chain, but I did check the over lap at TD... Trouble codes: 24 (vss), 34 (map), 44 (Lean Exhaust), 54 (Skips over).
2000 Chevrolet Express 1500 5.7L fuel ga VIN: IGNFG15R5Y
this veh has gone home to burn full tank of fuel and untill then i`ll replace the assembly in tank unit and let all know from there on.all have been very useful but job will not be done till next week thanks again
2005 Chevrolet Trailblazer LS 4.2L MIL Lamp on VIN: 1GNDT13S55
thanks to all who replyed every one was right replace the air valve and no more p0410 some times somebody has to be out side the box to see what is going on all i can say is that you guys saved my fanny (being nice) again thanks to all who replyed john Trouble codes: P0410.
2003 Chrysler PT Cruiser Limited 2.4L Pressure's VIN: 3C8FY68B73
I would like to give a special thanks to everyone who lend help. It ends up that their was the second high side port down at the compressor that I needed to be using. The top high side port was just for the factory fill. When I hooked my gauge up to the second...
2000 Ford Explorer XLS 4.0L rear wiper VIN: 1FMZU72X9Y
Turns out that the relays tested good but failed under load
2002 Ford Taurus SE 3.0L Misfire VIN: 1FAFP56SX2
we sometime make more out of problems then they really are. SPARK PLUGS fixed this car. The first go around with this car we owmed the wires and looked at the plugs, all fine. The second time we thought it had a vacuum leak, because with that plastic upper int...
2005 Ford F-250 Super Duty XL 6.0L No Start, Cuts out, Stall VIN: 1FTNW20P64
Havent fixed this one yet, but need to close this post. Thanks Russel and Charles for the part numbers. Will update this post when I get this one fixed. Customer is taking his time with this one.
2005 Ford E-450 Super Duty 6.0L No Start VIN: 1FDXE45P75
Thanks everyone for your help. The van is not fixed at this point; I wanted to perform one more step before ordering an engine harness. Suggestions were helpful, I checked : FICM connections, ICP while cranking(1100 psi, rises quickly), battery voltage(10 v, w...
2005 Jeep Wrangler Rubicon 4.0L long crank VIN: 1J4FA69S85
Finally a fix! After replacing the fuel pump twice, camshaft and crankshaft sensors, syncronizing cam and crank sensors and two trips to the dodge/jeep dealer we found an intermiddent leaking injector was the culprit. We had the fuel rail out twice and did not...
1971 Mercedes-Benz 280SE 2.8L Poor Idle Quality, Cuts out, Stall, CUTS OFF RESTARTS VIN: 1080181208
thanks to all who replied, customer has car and has been out of town, i have talked with him and car will be back as soon as he is, i will update this at that time, again thanks for all the great information
2003 Mercedes-Benz SL55 AMG Kompressor 5.5L oil level VIN: WDBSK74F13
Thanks to all that replied. Serveral said to check the oil level through the instrument cluster and a few people gave me the actual spec for the dipstick (167mm-169mm). I used the instrument cluster to check the oil level. I did not know that you could check t...
2004 Mini Cooper S 1.6L compressor VIN: WMWRE33404
1986 Nissan Maxima SE 3.0L Cuts out VIN: JN1HU11P7H
thanks everyone it was the distributor(crank sensor ).replaced it and came back to life. the maxima is back!
1996 Plymouth Voyager 3.0L No Start VIN: 2P4FP25307
well first of all i want to thank stanly,john,robert,roger,frank,neal,mel and doug.yeah you all were right i had to install both the pcm and bcm.i took some time to close this fix because i wanted to be sure that everything is fine.well really honoured to know...
1997 Suzuki Sidekick JX 1.6L MIL Lamp on VIN: JS3TDO3V9V
thanks for all the feedback on this sidekick. I was able to swap most of the suspected parts from another sidekick from another aquantant, but no change of the code, it still come on. At this point, I would think most likely the egr passage need to be totall... Trouble codes: P0400.
1991 Toyota Pickup DLX 2.4L No Start VIN: JT4RN01P3M
Hello everyone, All responses were great and helpful. A number of people suggested wiring problems where the injector loom goes through the intake. Some suggested various component failures. After much testing, i found that the computer was bad (i think) When ...
1999 Volkswagen Cabrio 2.0L MIL Lamp on VIN: 3VWCB61E5X
The evap test passed while working on it. Probably opening and closing vacuum connections and electrical connectors was the fix. I let the car go. We ran out of time. If it comes back for the same code most likely will be the Leak Detection Pump as everything ... Trouble codes: P1582, P1476.
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