engine help

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elorejas

Member
well i finally got the truck on to day installed the hood tuned chip, 3 bar map, egr delete, and abs delete well the truck was running fine before all of this had driven it 2k miles in 2 weeks so i thought of doing some upgrades know the truck turns on but has a rough idle want to die on me drove it and wants it starts running it runs fine but at idle it or take it it sputters any ideas what it can be has new wires,cap & rotor, and spark plugs ngk ur5's. it also has sportmachines vac kit removed all the vacuum lines i didnt need as well. any help will be great thanks
 
Fighting5thSVT

Fighting5thSVT

Active member
Re: engine help

The egr delete requires either some modification to the vac lines or a plug/cap in the line for the valve itself. If you have an open vacuum line, it can cause all sorts of problems
 
E

elorejas

Member
Re: engine help

I took the t of the vacuum harness and connected it straight to the check valve on that harness
 
Quickstop [UK]

Quickstop [UK]

Combating adversyty.
Re: engine help

Make sure the valve is the right way round.

Is the tune for a 3 bar?

Your posts are hard to read without periods.
 
E

elorejas

Member
Re: engine help

Yeah the valve is right since it was working fine before the upgrades. And the tune is for a 3 bar aswell. And sorry for no periods its pretty hard typing from the phone
 
Quickstop [UK]

Quickstop [UK]

Combating adversyty.
Re: engine help

How long have you run it for? They take a little while to relearn some of the values. What are the symptoms of the idle?
 
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elorejas

Member
Re: engine help

It barely wants to idle had to give it more idle by screwing the bolt more in so it wouldn't die. And when I give it gas to take of it hesitates then it runs good. When its in idle it sounds like I added a camshaft to it
 
MDH

MDH

Member
Re: engine help

X2 for what Mark said...
Make sure the EGR blanking plate actually blanks both the ports behind it....

Don't ask how I know.
 
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elorejas

Member
Re: engine help

Well its a rpm block off plate and the smooth surface is pointing out and the carved in surface is facing in
 
Sean Krupa

Sean Krupa

Moderator
Re: engine help

All the pics I've seen of the RPM blockoff plate are the other way around with the carved surface facing out.

HTH
 
MDH

MDH

Member
Re: engine help

That's what happened to me... Unbolt it turn it round and you'll be fine! Make sure the flat side is against the inlet so it blocks the ports off.
 
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