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 1,860
#2 carGrrl
carGrrl
Reputation 1,290
#3 Tom Demyan
Tom Demyan
Reputation 1,100
View All

Related Models For Sale

Used Chevrolet Camaro"
599 Great Deals out of 35,683 listings starting at $3,794
Used Ford Mustang"
704 Great Deals out of 41,887 listings starting at $1,500
Used Porsche 911"
143 Great Deals out of 4,697 listings starting at $10,995
Used Dodge Viper"
3 Great Deals out of 367 listings starting at $26,000
Used BMW M3"
49 Great Deals out of 1,432 listings starting at $6,999
Used Ford F-150"
2,580 Great Deals out of 195,443 listings starting at $1,295
Used Mercedes-Benz SL-Class"
92 Great Deals out of 3,452 listings starting at $2,000
Used BMW 3 Series"
1,216 Great Deals out of 38,443 listings starting at $1,450
Used Jeep Wrangler"
281 Great Deals out of 13,844 listings starting at $2,795

Used Cars For Sale

2017 Chevrolet Corvette For Sale
2,222 listings starting at $50,788
2016 Chevrolet Corvette For Sale
29 Great Deals out of 6,599 listings starting at $46,670
2015 Chevrolet Corvette For Sale
30 Great Deals out of 947 listings starting at $43,995
2014 Chevrolet Corvette For Sale
35 Great Deals out of 1,013 listings starting at $39,495
2013 Chevrolet Corvette For Sale
21 Great Deals out of 442 listings starting at $25,958