Broken VSV conector :(

[RIPDOTCOM]

I broke my VSV connector for the intake plenum on the manifold. Can I simply hook the line up to direct vacuum and bypass the VSV?

 

[GrimJack]

Which one? The front or the rear one? In any case, you can't really hook either one to vacuum direct.

 

[RIPDOTCOM]

Which one? The front or the rear one? In any case, you can't really hook either one to vacuum direct.

I guess its the rear one. Its is the rear most one with the brown connector. not the fuel pressure one or the EGR one but the one that controls the vacuum port on the intake manifold plenum.

 

[GrimJack]

Last time I checked, there were only 2... one for the fuel pressure, one for the EGR.

 

[NDBoost]

Last time I checked, there were only 2... one for the fuel pressure, one for the EGR.

agreed, there are only two. Rear is for EGR and forward is for fuel isnt it?

 

[GrimJack]

Correct.

 

[NDBoost]

and i remember reading somewhere that the FPR VSV is just for high moisture or cold days or even higher elevations. So it doesnt make that huge of a difference.

I believe i posted this question in another thread but. How do you get rid of the CEL when you remove EGR and that EGR VSV and also when you get an aftermarket FPR and get rid of the FPR VSV?

 

[bigaaron]

You must have the front vsv working for the fpr. Otherwise it will lean out bad under boost. The rear one is to open the EGR valve so dont bypass it with the vacuum line, just plug the vacuum line. If you bypassed it and connected vacuum directly to the EGR valve the car would idle terrible and probably stall. If it is bypassed you would probably fail smog and on 89 up cars you will get a check engine light for the egr temp sensor.

 

[bigaaron]

and i remember reading somewhere that the FPR VSV is just for high moisture or cold days or even higher elevations. So it doesnt make that huge of a difference.

I believe i posted this question in another thread but. How do you get rid of the CEL when you remove EGR and that EGR VSV and also when you get an aftermarket FPR and get rid of the FPR VSV?

Measure the resistance of the sensor when hot and try a resistor of the same value.

 

[GrimJack]

You must have the front vsv working for the fpr. Otherwise it will lean out bad under boost. The rear one is to open the EGR valve so dont bypass it with the vacuum line, just plug the vacuum line. If you bypassed it and connected vacuum directly to the EGR valve the car would idle terrible and probably stall. If it is bypassed you would probably fail smog and on 89 up cars you will get a check engine light for the egr temp sensor.

You could always just plump the FPR straight to manifold pressure, bypassing the VSV. Then it wouldn't start quite so nice when warm, but that's about all the effect it would have.