fuel injector pulse signal

whichwrench1
0

Asked by whichwrench1 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 califcarson
califcarson
Reputation 1,100
#2 carGrrl
carGrrl
Reputation 1,070
#3 Tom Demyan
Tom Demyan
Reputation 900
View All

Related Models For Sale

Used Chevrolet Camaro"
503 Great Deals out of 30,032 listings starting at $1,900
Used Ford Mustang"
735 Great Deals out of 31,327 listings starting at $1,800
Used Porsche 911"
138 Great Deals out of 4,212 listings starting at $11,950
Used Dodge Viper"
6 Great Deals out of 357 listings starting at $26,990
Used BMW M3"
44 Great Deals out of 1,071 listings starting at $4,199
Used Jeep Wrangler"
348 Great Deals out of 42,076 listings starting at $1,800
Used BMW 3 Series"
971 Great Deals out of 37,691 listings starting at $1,200
Used Mercedes-Benz SL-Class"
97 Great Deals out of 2,946 listings starting at $4,595

Used Cars For Sale

2015 Chevrolet Corvette For Sale
11 Great Deals out of 1,703 listings starting at $53,746
2014 Chevrolet Corvette For Sale
28 Great Deals out of 890 listings starting at $49,991
2013 Chevrolet Corvette For Sale
15 Great Deals out of 431 listings starting at $29,944
2012 Chevrolet Corvette For Sale
12 Great Deals out of 323 listings starting at $28,983