Question about Ford Escort
INTAKE LEAKS IF INTAKE NOT TORQUE IN SEQUENCE.NOT TORQUE PROPERLY.OR IF VALVE TIMING OFF A LITTLE IT WILL CAUSE CRANKING PROBLEMS.
Posted on Jul 26, 2009
I read no check engine light, but still check to see if there are any trouble codes stored in memory, this is the very first thing we check, also you say good fuel pressure but have u done a fuel pressure leak down test? the fuel pump has a built in pressure check valve, if this valve malfunctions the fuel bleeds back into fuel tank this empties the filter and lines and this causes a very hard start cold with rough run until the air is the lines and filter is bleed through the injectors, that can take a few minutes, to do the leak down test hook up a fuel pressure test gauge to the fuel pressure test valve on the metal fuel supply manifold that supplies the injectors, it looks like a tire valve, start the engine and watch the pressure, make sure there are no leaks our the test will be invalid, after verifying the above turn the engine off, the fuel pressure should not drop more than 5 PSI, that is overnight and indeed longer, if the pressure drops off right away you have found your problem, I am a Ford dealer tech of 25 years, have seen this many times, the fuel pump is easy to replace, the access is under rear seat cushion.
Posted on Jul 25, 2009
You should be careful on what you spend here.It might take forever and lots of parts change without solving this problem.It could turn out to be anything from coil pack,catalytic converter etc.The first thing I would do is to check if any check engine light has come on, which will make it easier to solve.If there is one ,then run a computerised diagnostic to pick up the error code.Hope this helps but be careful as this may prove very costly if you don't have the hands on expertise.
Posted on Jul 25, 2009
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Posted on Jan 02, 2017
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