No fuel pump prime
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Junior Member
Joined: Jul 2014
Posts: 20
Likes: 0
From: PA
Car: 87 Camaro IROC Z28
Engine: 350
Transmission: T5
Axle/Gears: 3:73
No fuel pump prime
Ok so I was installing an aftermarket radio in my 87 iroc and after I wired it all up I turned the ignition on, stereo came on and worked but when I went to start it the car just cranks. When I turned it off and turned the key back on there is no fuel pump prime. I'm not sure what exactly could have happened but any advice is welcome.
Thread Starter
Junior Member
Joined: Jul 2014
Posts: 20
Likes: 0
From: PA
Car: 87 Camaro IROC Z28
Engine: 350
Transmission: T5
Axle/Gears: 3:73
Re: No fuel pump prime
I'll add that it had the factory bose system. I replace the fuel pump relay and still no prime. Is it possible that I fried the ECM? I'm stuck right now and this is my daily driver so any help is appreciated.
Junior Member
Joined: Jan 2007
Posts: 33
Likes: 0
From: Houston Tx
Car: 1988 Iroc-Z28
Engine: TBI 305 Bored 30 over mild Mods
Transmission: 700R4
Axle/Gears: Stock
Re: No fuel pump prime
Check your ECM/ fuel pump fuse located by the battery check all the fuses while your at it. Good luck I'm with a no start/ no prime myself
Thread Starter
Junior Member
Joined: Jul 2014
Posts: 20
Likes: 0
From: PA
Car: 87 Camaro IROC Z28
Engine: 350
Transmission: T5
Axle/Gears: 3:73
Re: No fuel pump prime
I checked the fuse by the battery and it is good. Is there another ECM fuse on the fuse block in the car?
Supreme Member
Joined: Jan 2006
Posts: 3,341
Likes: 10
From: Mooresville NC
Car: LOWERED ♦ CRIMSON METALFLAKE
Engine: ► 400 KUBES ◄
Transmission: 765R4
Axle/Gears: EATON POSI 4.56
Not Ready 4 Prime Time
With the car OFF, using a voltmeter with long leads so you can see it in the cockpit, probe the green wire with a White stripe at the pump relay.
Now turn the key to the RUN position.
Did the voltmeter show voltage?
If no, the ECM is bad or has a bad connection.
◙◙◙◙◙◙◙◙◙◙◙◙◙◙◙
Happy Racing !
◙◙◙◙◙◙◙◙◙◙◙◙◙◙◙
Whether It’s A Street Car At A Traffic Light Or The Nitro Funny At The Strip, Yellow Means Floor It !
Now turn the key to the RUN position.
Did the voltmeter show voltage?
If no, the ECM is bad or has a bad connection.
◙◙◙◙◙◙◙◙◙◙◙◙◙◙◙
Happy Racing !
◙◙◙◙◙◙◙◙◙◙◙◙◙◙◙
Whether It’s A Street Car At A Traffic Light Or The Nitro Funny At The Strip, Yellow Means Floor It !
Joined: Dec 2004
Posts: 16,741
Likes: 994
From: Mile High Country !!!
Car: 1967 Camaro, 91 z28
Engine: Lb9
Transmission: M20
Axle/Gears: J65 pbr on stock posi 10bolt
Re: No fuel pump prime
sounds like you might of pulled and disconnected c207 !
Last edited by Tuned Performance; May 4, 2015 at 05:09 PM.
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