Hard start

KEVMUYA

MEMBER
1998 PEUGEOT 505
1.8L
4 CYL
2WD
MANUAL
427,800 MILES

I am experiencing hard start challenges with my vehicle listed above 504 saloon car. I have changed the spark plugs and fuel pump, which the mechanics felt were faulty, but still it doesn't work.

Kindly assist.

Tuesday, July 21st, 2020 AT 5:24 AM

5 Replies

JACOBANDNICKOLAS

MECHANIC
109,755 POSTS

Hi,

This vehicle isn't offered in the US, so I have little to no technical info on it. However, I'll try to help.

First, is that the correct mileage you listed? If it is, has anyone checked engine compression?

https://www.2carpros.com/articles/how-to-test-engine-compression

Also, try this for me:

1) Turn the key from off to the run position (engine off) and count to 5.
2) Turn the key off.
3) Perform step 1 and 2 three times and on the forth time, see if it starts easily.

Let me know.
Joe

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Tuesday, July 21st, 2020 AT 1:45 PM

KEVMUYA

MEMBER
3 POSTS

Yes, the mileage is correct. Secondly I tried the following steps, but still experiencing the same problem.

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Wednesday, July 22nd, 2020 AT 4:07 AM

JACOBANDNICKOLAS

MECHANIC
109,755 POSTS

Hi,

The next thing I would suspect (based on mileage) is low compression. Has that been checked yet?

Joe

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Wednesday, July 22nd, 2020 AT 4:31 PM

KEVMUYA

MEMBER
3 POSTS

Will check compression, maybe what would cause low compression?

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Wednesday, July 22nd, 2020 AT 10:02 PM

JACOBANDNICKOLAS

MECHANIC
109,755 POSTS

Hi,

I'm basing that idea on the number of miles on the vehicle. Piston rings will wear over the miles. If the compression starts getting lower, it can cause a hard start.

Here is a link that explains more about causes:

https://www.2carpros.com/articles/the-reasons-for-low-compression

Let me know what you find.

Joe