Generally when a diesel has trouble starting there is always a possibility low compressions are the cause if heater plugs weren't the problem. Some engines are more prone to this than others, the worst and least offender in my experience were both Ford.
Usually if the heater/pre heat is a problem and everything else is ok then removing the air cleaner and blowing hot air directly into the intake will provide a normally starting engine.
Many engine "specialists" will say injector condition plays little or no part in the starting stakes - not true! Apart from any other considerations, something must be done about a non-starter and it is quicker, easier and cheaper to check the easy possibilities before sending the engine for overhaul. A good battery and starter is essential to provide the best possible cranking speed and then ensure the injectors are in good order and that means removing them and sending them to the diesel specialist...
SOURCE: I have a 1999 Ford F450 super duty diesel. It
Replace the glowplug relay.Its faulty.The glow plugs stay on until engine warms up.The engine temp switch then activates the relay to switch off.So it could be the temp switch also faulty.
SOURCE: changing glow plugs in a 1997 1.8 ford escort diesel van
Hi Patrick.
I would check that you are getting a live feed to your glow plugs terminals first, on cold starting, with a 12v test light.
Expensive to renew them, and then find it was the fuse or relay !
Best of luck !
John.
Don´t forget to give me a vote !
SOURCE: Cold weather starting problems with battery
Have you had the battery checked..Cold weather is the worst enemy on a battery. They work fine in summer but cold will get em.
SOURCE: 1997 GMC Suburban 350 troubleshooting codes are
http://www.obd-codes.com/p0161
This site explains in great detail each trouble code.
http://www.obd-codes.com/p0137
Here's the other one.
Like I said,this site does an excellent job of explaining what's going on with your code.
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