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34 51 I have a 1995 Chevy Lumina and about a month

34 51 I have a 1995 Chevy Lumina and about a month ago the codes 34 and 51 came on. This week as I was driving, the power steering and acceleration went out at the same time. The check oil light went on right before it failed, and the radio starting pulsing (electrical problem?). I could still hear the motor running in some capacity. I turned it off and on and was able to drive it the mile or so home, although it stalled out once more. It does still start. I'm going to take it to a mechanic, but I would like to have some idea of what's wrong with it before I bring it in. Any help would be appreciated.

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  • Cars & Trucks Master
  • 20,706 Answers

51 IIRC, is EGR fail, fix that first.
if the EGR fails the car will in fact stall at every stop sign.
yes, the motor runs at 300 RPM and illegal RPM 800 is correct.
this is the EGR stuck open
all cars with EGR have a 50k mile service, my bet is you dont follow the service charts.?

we clean the valve.
in a shop they wont the replace it for like $200 part and $100-200 labor.
DIY guys , remove it and clean it and test it with a hand vacuum pump, if electric use that on car, in special way (ask);

Posted on Oct 12, 2013

Testimonial: "51 is PROM error, not EGR"

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justuscc
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SOURCE: Car wouldn't start couple of

theres a tsb for a faulty fuel pump........ Access the fuel pump connector.
Monitor voltage between the White/Red (WH/RD) and Black/Yellow (BK/YE) wires, leaving the fuel pump connected. Also monitor the fuel pressure.
Voltage will normally be about 6-8v at idle and will increase with load on the engine.
Drive the car to try and duplicate the complaint. When the problem is occurring, check the fuel pressure vs. voltage to the fuel pump. If pressure is dropping but voltage is the same or increasing, check the connections right at the fuel pump. If OK, drop the fuel tank, inspect the lines internally and replace the fuel pump as needed.

Posted on Oct 21, 2008

fknstart
  • 404 Answers

SOURCE: 2002 Chevy Blazer stalls

check airflo sensor or potentometer,throttle pos sensor; if revs are to low when turning the wheel the power steering pump will draw power from engine, causing your other problems

Posted on Jan 07, 2009

  • 141 Answers

SOURCE: I have a 1998 Chevy

take a volt meter and go to the battery check the voltage before starting the vech . start the vech check voltage at the battery again has it changed. and what i mean is that if your battery voltage 12.0 volts and when when you start the vech the voltage gose down our dose not increase the alt is not working needs to be changed change the belt while your there thanks kdc744

Posted on Jan 08, 2009

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