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Dan
Dan, ASE Certified Technician
Category: Ford
Satisfied Customers: 1693
Experience:  Auto Technician
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Does not start has spark and injector pulse timing ok

Customer Question

does not start has spark and injector pulse timing ok noticed spark is low while cranking and injector pule is weak does try to start then acts like no fuel
JA: Have you checked the fuel supply? And are all the spark plugs working?
Customer: new pump and yes
JA: What is the model/year of your Ford?
Customer: 1987 thunderbird turbo coupe
JA: Are you hoping to fix this yourself? What have you tried so far?
Customer: new fuel pump injectors has spark and fuel pressure and noid light pulses ck timing is in time
JA: Anything else you think the mechanic should know?
Customer: maybe there is factory alarm
Submitted: 1 year ago.
Category: Ford
Expert:  Dan replied 1 year ago.

Hello my name is***** am an ASE Master Technician and I am glad to help you out with your question.

Expert:  Dan replied 1 year ago.

Have you tried spraying carb cleaner in the intake tube to see if it wants fuel?

Customer: replied 1 year ago.
try to start
Expert:  Dan replied 1 year ago.

Does it seem to want fuel or no?

Customer: replied 1 year ago.
when spray fuel down the throttle body it wants to run then acts not getting fuel
Expert:  Dan replied 1 year ago.

What is your fuel pressure?

Customer: replied 1 year ago.
At this time I do not low but there a new fuel pump Ian getting fuel at rail
Customer: replied 1 year ago.
Viols the alarm system shut the fuel off while cranking can hear it key up
Expert:  Dan replied 1 year ago.

Are the plugs wet with fuel?

Customer: replied 1 year ago.
Just number one
Expert:  Dan replied 1 year ago.

I would check the fuel pressure.

Customer: replied 1 year ago.
I will but can the factory alarm with key pad on door shut the fuel off
Expert:  Dan replied 1 year ago.

That would cause a no crank issue, if it was related to the security system.

Customer: replied 1 year ago.
Ok thank you will ck fuel pressure
Expert:  Dan replied 1 year ago.

Some Fords have a fuel pump inertia switch that will cut off the fuel.

Customer: replied 1 year ago.
Bypassed it
Expert:  Dan replied 1 year ago.

Have you checked compression?

Customer: replied 1 year ago.
Has compression was running only 49000
Expert:  Dan replied 1 year ago.

Is it the 2.3L?

Customer: replied 1 year ago.
turbo
Expert:  Dan replied 1 year ago.

I remember a lot of older fords with no start issues, have seen a lot of ICM problems it is in the distributor.

You ever had the distributor out?

Customer: replied 1 year ago.
No just the cap clean but has spark
Expert:  Dan replied 1 year ago.

This has to be a fuel problem. Let me know what your pressure is and we can go from there. Thanks.

Customer: replied 1 year ago.
Ok tomorrow when get to work
Expert:  Dan replied 1 year ago.

Ok sounds good.

Customer: replied 1 year ago.
I ck fuel pressure 45psi xl spark again and noide light pulse looks good R first then goes dim think injectors not firing
Expert:  Dan replied 1 year ago.

Maybe your ecu is bad.

Expert:  Dan replied 1 year ago.

The ecu controls the injectors.

Customer: replied 1 year ago.
Ok will ck power grounds from ecm
Expert:  Dan replied 1 year ago.

ok