fuel injector pulse signal

whichwrench1
0

Asked by Feb 24, 2010 at 12:21 PM about the 1991 Chevrolet Corvette Convertible

Question type: Maintenance & Repair

got a '91 tuned port.had sat for 7 years.replaced the fuel pump and filter,ign.module and ecm.cranks and dies.fuel pressure and spark are fine but injector pulse fades away.checked all ecm power and grounds.sent to dealer,they are lost and just running up my bill.injector maintains 12vdc at all times key is on.tried a third ecm for gp but to no avail.what could cause the injector pulse to fade away?both sets do the same.will stay running when sprayed in the throttle body.im confused and have been doing this most my life!thanks for any input.

1 Answer

Marcel Caissie
20

Pressure to high injector won't open

Your Answer

Add photo

Related Questions

Search Chevrolet Corvette Questions

Chevrolet Corvette Experts

#1 John Carson
John Carson
Reputation 1,930
#2 carGrrl
carGrrl
Reputation 1,300
#3 Tom Demyan
Tom Demyan
Reputation 1,100
View All

Related Models For Sale

Used Chevrolet Camaro"
756 Great Deals out of 37,418 listings starting at $2,650
Used Ford Mustang"
747 Great Deals out of 39,888 listings starting at $1,450
Used Porsche 911"
153 Great Deals out of 4,530 listings starting at $10,995
Used Dodge Viper"
8 Great Deals out of 430 listings starting at $23,944
Used Mercedes-Benz SL-Class"
107 Great Deals out of 3,491 listings starting at $1,800
Used Ford F-150"
2,867 Great Deals out of 202,330 listings starting at $1,500
Used BMW M3"
67 Great Deals out of 1,731 listings starting at $5,988
Used BMW 3 Series"
1,387 Great Deals out of 38,401 listings starting at $1,000

Used Cars For Sale

2017 Chevrolet Corvette For Sale
3,840 listings starting at $50,701
2016 Chevrolet Corvette For Sale
35 Great Deals out of 4,826 listings starting at $44,530
2015 Chevrolet Corvette For Sale
39 Great Deals out of 928 listings starting at $44,985
2014 Chevrolet Corvette For Sale
52 Great Deals out of 981 listings starting at $39,997
2013 Chevrolet Corvette For Sale
15 Great Deals out of 408 listings starting at $25,999