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Car will not start?

Tiny
BLAINEA7
  • MEMBER
  • 1999 MERCEDES BENZ C230
  • 2.3L
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 200,000 MILES
I thought it was the battery, so I bought a new battery but now after running the engine is revving up and down and then slowly begins to shut off and when that happens I pump the gas and it acts as though it’s getting no gas at all and then shuts off.
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Friday, February 23rd, 2024 AT 8:30 PM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,724 POSTS
Hi,

Based on your description, it sounds like it is running out of fuel. Have you checked the fuel pressure to see if it is low/weak? If you haven't that is where I recommend starting. Here is a link that explains how, in general, to check fuel pressure:

https://www.2carpros.com/articles/how-to-check-fuel-system-pressure-and-regulator

You will need a fuel pressure gauge for this, but most parts stores will lend one to you.

If you look at pic 1 below, I circled where the fuel pressure gauge will attach. Pic 2 shows the manufacturer's fuel pressure specifications.

Let me know if you are comfortable performing this procedure or if you have other questions.

Take care,

Joe

See pics below.
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Friday, February 23rd, 2024 AT 9:12 PM

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