XJ40 ( XJ81 ) 1986 - 1994

cold start and vacuum test

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Old Sep 21, 2013 | 08:17 PM
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From: puyallup washington
Default cold start and vacuum test

my car is definitely starting funny after i cleared the blockage in the crankcase vent. i started it this morning and it choked but still managed to start, started it again about an hour later and it did the same thing.

i checked the vacuum, and here is the outcome:

while cold, engine vacuum fluctuates quite a bit. i wasnt able to record it so im not exactly how far, but the needle was moving up and down within a quarter of the gauge.

while warm: engine held a good steady vacuum. up 1 and down 1 when one of the a/c or air pump clicks.. not sure which one.

idle is about 900rmp and causes the transmission to clunk when i put it into gear. sometimes i can kick it down to about 600 in park.

any ideas on what i should be checking? ive also checked for vacuum leaks and couldnt find any..... crap
 

Last edited by jagnoob; Sep 21, 2013 at 08:22 PM.
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