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wolliver

help me wise ones with my E30

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So my baby is packing a sad, throwing a tanty. It's a 87 pfl E30 325 converted to manual with 1.3 ECU upgrade.

Currently its missing horribly while accelerating and will miss not so much when cruising along, but will get worse if going up hill.

Another issue ive been having is id be driving along fine and then all of a sudden the car would kind of die. So if revs were 2000 they would drop to 500 all of a sudden then about half a second later would jump back up to 2000 causing car to lurch horribly. And it would do this quite often. I disconnected the battery terminal for a couple hours and the problem went away almost.

Any thoughts?

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I would start by checking spark plug leads are snug over the spark plugs

If so, pull them back off, check resistance of the spark leads, they should all be around 6k ohms

then check dizzy cap and rotor is in good condition.

(none of these things will be picked up if you 'scanned' the vehicle, engine is to old for that)

post back results and can move on from there etc

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Not one of the wise ones I had very similar symptoms on a 4cyl and it was the throttle position switch. I found it hard to check with a dmm but the click test was conclusive.Google e30 check tps.

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Ckick test? Can't seem to find that one. Whats involved in doing that

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more common to be called stomp test which doesn't work on most NZ cars

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TPS click test is checking you hear a click noise when it closes. Motor doesn't need to be running, just turn the throttle by hand slightly and you should hear the TPS click as it opens / closes.

Check for vacuum leaks.

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Testing HT leads and this is what I find. Also onr if the leads is something crazy like 1.3-2Mohms

post-3967-0-93359400-1399172881_thumb.jp

post-3967-0-29565000-1399172930_thumb.jp

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I have a shed full of e30 parts in Hastings

Txt mt 0272542604

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Thanks mate. But havr allready ordered the parts. Appreciate the help. Hopefully thats what is causing the issues

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