TBI spray just fine for a while the all of a sudden stop spraying

COLEGAGE2001

MEMBER
1994 CHEVROLET SILVERADO
64,000 MILES

What would make a TBI spray just fine for a while the all of a sudden stop spraying then you wait a day and it cranks again. I have changed my fuel pump my ignition coil and pump relay it runs fine for a little while then the TBI stops spraying and want start for about a day then it cranks fine for a lil while. Ive asked and paid money on line and would be glad to donate if yall can help but im tired of spending money and not getting answers can you help please?

5 Replies

DOCFIXIT

MECHANIC
18,828 POSTS

Codes present? Have ignition control module checked to right of Dist. What engine? And trans

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Thursday, January 26th, 2012 AT 9:20 PM

COLEGAGE2001

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5 POSTS

Its a 5.7 350 tranws is a 700r, I can drive for an hour or so and kill it and it want crank ignition control modeul is new

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Thursday, January 26th, 2012 AT 9:28 PM

DOCFIXIT

MECHANIC
18,828 POSTS

Get a NOID light to test voltage to injector when it conks out attach NOID if no flash then ECM maybe at fault

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Thursday, January 26th, 2012 AT 10:11 PM

COLEGAGE2001

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5 POSTS

Hey man I dont know why I did it but I took my distribitor cap wiped it out cleaned the button with dry rag and it fired up and is runng fin so far and hasnt died. Yet that you buddy expect a donation very soon bud thanks for the help

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Friday, January 27th, 2012 AT 1:51 PM

DOCFIXIT