Volvo RWD 1800 Forum

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P1800 ES - 1973 1800 1973

hello friends,

me again with the PIA beast again that wont run; kinda my fault this time:

so battery was draining down and alternator quite charging, so i removed sent away to rebuild, i was careful to mark wires on back so as not not mix up, i got it back and put it on but in so doing i did following:

1. i got the 2 hoses mixed up going to intake manifold causing kickback n hard start
2. playing around with hoses on intake i broke the connections to the temp sender near the thermostat
3. i forgot to take pics of hoses so i was in guessing game as to what was where, when the car did start briefly it ran at 3k rpms
4. my car is not per book as i have discovered this weekend that the aux air valve doesnt work so it was blanked off.
4. i bought new clamps n hoses, panetman told me crank case hose goes before butterfly
5. i blanked of aux air valve and the opening behind butterfly on intake manifold

so now i crank away like crazy not even an effort to fire:

a. check for sparks
b. check for fuel turned up pressure abit - now i have leaking fuel press reg - slow leak from top


note i have 22 lbs to the rails, i was running beautifully with 18 before, i have these VP inj from VP that wont work at 32, i also lost throttle stop it fell out on brief test drive last time she ran - replaced but position is a guesstimate


so any ideas where to start? also how do you guys keep these things running, i cant find any new spares - ugh!

thanks in advance






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New P1800 ES - 1973 [1800][1973]
posted by  rabs  on Sun Mar 21 18:30 CST 2021 >


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