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1996 chevy Silverado k2500 5.7 vortec engine engine light on…

Customer Question
1996 chevy Silverado k2500...

1996 chevy Silverado k2500 5.7 vortec engine engine light on po300 random misfire detected we replaced plugs wires Distributor cap and rotor pickup coil checked compression everything is good there checked timming, replaced fuel injectors,intake gaskets 3out of 4 o2 sensors

Mechanic's Assistant: Does the light stay on, or does it blink?

It stays on most of the time but blinks sometimes

Mechanic's Assistant: Are you fixing your Silverado yourself? What have you tried so far?

My Husband

Mechanic's Assistant: Anything else you want the mechanic to know before I connect you?

No power when taking off or going up a hill

Submitted: 10 months ago.Category: Chevy
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Answered in 5 minutes by:
10/6/2017
Chevy Mechanic: Mike, Auto Mechanic replied 10 months ago
Mike
Mike, Auto Mechanic
Category: Chevy
Satisfied Customers: 515
Experience: Lead Tech at Solis Auto Repair
Verified

Hello, my name is***** will be helping you out! I have over thirteen year of experience in the automotive industry for numerous different makes & models. I enjoy doing what I do, it is my life.

Does he have a tool to check fuel pressure?

Ask him key on engine what the PSI is and if the fuel pressure drops slowly after

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Customer reply replied 10 months ago
fuel pressure was over 60 psi
Chevy Mechanic: Mike, Auto Mechanic replied 10 months ago

Did the fuel pressure drop at any point with a time of 10 minutes leaving the key on engine off during this

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Customer reply replied 10 months ago
no
Chevy Mechanic: Mike, Auto Mechanic replied 10 months ago

ok so fuel pressure 60 for 10 minutes correct?

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Customer reply replied 10 months ago
ues
Chevy Mechanic: Mike, Auto Mechanic replied 10 months ago

when you put it under load when it starts acting up what does the fuel pressure read?

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Customer reply replied 10 months ago
ssme
Chevy Mechanic: Mike, Auto Mechanic replied 10 months ago

then it is not a fuel issue on to the air induction system

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Chevy Mechanic: Mike, Auto Mechanic replied 10 months ago

Well first, does cyl 7 have spark?

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Chevy Mechanic: Mike, Auto Mechanic replied 10 months ago

does he have a scan tool to control injection?

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