Hunting down a misfire
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Junior Member
Joined: Apr 2024
Posts: 1
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From: Australia
Hunting down a misfire
Hi Protege-heads out there.
I am hunting down a misfire that keeps evading all of my best efforts over the last 6 months but It has reached, gotta deal with it proportions because now my wife hates to drive the car. I have a 1997, 323 Protege BA 1.6L. The only car I have ever owned, and although I know that sentimentality can only get me so far I hope the old girl has a few more years in her.
In the period that I have been dealing with the misfire I have tried the following.
1. Replaced the spark plugs
2. Replaced the ignition leads and packs
3. Replaced the fuel pump (because it died
)
4. Replaced the fuel filter
5. Changed oil & filter every 5,000km-10,000km
6. Had a mechanic replace the valve cover seal gasket.
As I am starting to head toward more expensive repairs I am looking for assistance on what I should look at next?
Please help me protege protectors,
Thanks in advance for your tips and tricks.
I am hunting down a misfire that keeps evading all of my best efforts over the last 6 months but It has reached, gotta deal with it proportions because now my wife hates to drive the car. I have a 1997, 323 Protege BA 1.6L. The only car I have ever owned, and although I know that sentimentality can only get me so far I hope the old girl has a few more years in her.
In the period that I have been dealing with the misfire I have tried the following.
1. Replaced the spark plugs
2. Replaced the ignition leads and packs
3. Replaced the fuel pump (because it died
)4. Replaced the fuel filter
5. Changed oil & filter every 5,000km-10,000km
6. Had a mechanic replace the valve cover seal gasket.
As I am starting to head toward more expensive repairs I am looking for assistance on what I should look at next?
Please help me protege protectors,
Thanks in advance for your tips and tricks.
Senior Member
Joined: Oct 2018
Posts: 10,663
Likes: 232
From: Northern California
Perform a heath check of the engine.
Basic compression test both dry and wet and compare the results between all the cylinders.
A cylinder leak-down test would also be a good idea ,if there is a problem it will indicate head or lower block.
Basic compression test both dry and wet and compare the results between all the cylinders.
A cylinder leak-down test would also be a good idea ,if there is a problem it will indicate head or lower block.
Senior Member
Joined: Oct 2018
Posts: 10,663
Likes: 232
From: Northern California
That interesting because OBDII started in 1995 and was mandatory in the USA that all vehicles manufactured and sold in the USA from 1995 have that operating system. The exception was grey market vehicles of the same year. And even that changed at some point but I would have to cheat and look that up?
However easy enough you look for the OBD diagnostic connector.
As for OBDI those are probably the only vehicles I will not work on because they were troublesome and no easy way to diagnosis when the PCM was the problem. Thank fully it was only a couple of years before OBDII and CANbus operating systems. I would rather work on a British pre 1980's electrical system anyday . Some of you will understand and get the pun..
However easy enough you look for the OBD diagnostic connector.
As for OBDI those are probably the only vehicles I will not work on because they were troublesome and no easy way to diagnosis when the PCM was the problem. Thank fully it was only a couple of years before OBDII and CANbus operating systems. I would rather work on a British pre 1980's electrical system anyday . Some of you will understand and get the pun..
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