Stalls after it warms up

RVS

MEMBER
1987 NISSAN STANZA
1.9L
4 CYL
MANUAL
108,000 MILES

Changed the plugs, the ignition module on the intake side now it is worse and the tachometer quit working.

Saturday, May 26th, 2018 AT 4:21 PM

5 Replies

KEN L

MASTER CERTIFIED MECHANIC
43,110 POSTS

It sounds like the tachometer has stopped working because the ignition module might be the wrong one. The engine runs perfect when cold and then stalls when warmed up means one of the things a vacuum leak or you have a coolant temperature sensor that is messing up.

Here are guides you can go over to see if you can find the problem:

https://www.2carpros.com/articles/stall-at-idle

and

https://www.2carpros.com/articles/how-to-use-an-engine-vacuum-gauge

Please run down these guides and report back.

Cheers, Ken

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Monday, May 28th, 2018 AT 10:43 AM

RVS

MEMBER
3 POSTS

Checked for vacuum, did the squeeze test and sprayed carburetor cleaner on all vacuum connections. AAll checked out good. Where is the coolant temperature sensor?

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Sunday, June 10th, 2018 AT 9:47 AM

KEN L

MASTER CERTIFIED MECHANIC
43,110 POSTS

Here is the engine coolant temperature sensor location (below):

Image (Click to make bigger)

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Sunday, June 10th, 2018 AT 11:07 AM

RVS

MEMBER
3 POSTS

We figured out the problem. There is oil in the distributor. It is a cam angle sensor type. Is there a seal at the base on the distributor shaft? What is the procedure to repair or replace it?

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Saturday, June 23rd, 2018 AT 9:51 AM

KEN L

MASTER CERTIFIED MECHANIC
43,110 POSTS

There is no seal but the distributor can become worn allow clearance between the shaft and the housing. I would get a rebuilt unit and install it.

Please let us know if you need anything else to get the problem fixed.

Cheers, Ken