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87 k5 vac line

kipkippo

Registered Member
Joined
Mar 4, 2011
Posts
13
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Location
hopewell va
ok I have almost gotten fed up with this truck and am about ready to scrap it and take my losses. I finally got the truck running and timed. now we're back to where I started when I bought the truck. you can see everything I have replaced in the below list.
but I'm getting ready to replace all the vacuum lines in the truck and priced the parts at the local auto parts store. come to my surprise I don't have enough money until the 15th lol.
what it's doing is ...
when driving it bogs down like its getting too much fuel or too much air and the map sensor goes hay wire. it is idled way to low at idle it wants to die. but keeping my foot on the gas slightly keeps her running. I have noticed that some of the boots on the vacuum lines are warn and was wondering what size I need to replace it or could I just use a hose without buying the plastic hose then buying the fittings for it. there are 3 hoses in the front of the TBI one is to the PCV valve. one is for the charcoal canister. one splits off to the EGR Vacuum Solenoid, and one split to the air purge valve. on the back the map sensor is hooked up to that. could i replace the hoses with flex hose all one size e.g.: 1/4 in. hose from port to port on all of them as long as i use hose clamps or do i have to build new Vac. lines like the ones I'm using 5/32 with 1/4 in ends.
map sensor... new
EGR valve ... new
TBI gaskets complete rebuild ... almost new
fuel pump and floater gauge... new
idle air control... new
intake manifold... used but cleaned
intake manifold gaskets ... new
spark plugs... new
wires... new
dizzy cap.... new
ignition control module .... new
thermostat... new
fuel filter... new
injectors x2 .... new
fuel pressure regulator (TBI).... new
oil change and filter.... new
o2 sensor.... new
tested the Throttle sensor.... working
coolant sensor.... new
 
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