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AMEDEE
AMEDEE, CHEVY TECHNICIAN
Category: Chevy
Satisfied Customers: 26033
Experience:  ASE certified tech ADVANCED LEVEL SPECIALIST. Wisconsin certified emissions state inspector
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I have a 2002 vette. it's garage kept. it has 46,000 miles

Customer Question

I have a 2002 vette. it's garage kept. it has 46,000 miles on it. I took it out yesterday and drove it 25 miles home. no problems, so I get up this morning to wash it up and all it would do is bog out when I engage the clutch fully. it idles fine, and revs up fine, but as soon as I engage the clutch it bogs out. I can move the car around without giving it any gas just by slipping the clutch. but as soon as I engage the clutch fully it bogs out. help
Submitted: 1 month ago.
Category: Chevy
Expert:  AMEDEE replied 1 month ago.
Hello and welcome!Is the check engine light on?Are there any codes in the computer?Are you looking for possible causes?
Customer: replied 1 month ago.
no
no
yes
Expert:  AMEDEE replied 1 month ago.

Did you do anything under the hood when working on it this morning?

Customer: replied 1 month ago.
checked the throttle body sensor and the air flow sensor.
Expert:  AMEDEE replied 1 month ago.

Ok, thats what I was looking for.

Are you sure everything is put back together correctly?

This is the MOST common cause of the engine bogging down

Expert:  AMEDEE replied 1 month ago.

The mass air flow sensor is the NUMBER 1 INPUT to the PCM for injector pulse width.

If there is any air leaking into the engine past the mass air flow sensor or not accounted for by the MAF sensor, it WILL cause this condition.

Customer: replied 1 month ago.
the only thing I did was pull the connectors off and put them back
Expert:  AMEDEE replied 1 month ago.

Well, your going to have to double check the connector and the air intake snorkle to ensure nothing was bumped by accident.

Customer: replied 1 month ago.
it was doing THIS before I did anything.
Expert:  AMEDEE replied 1 month ago.

Ok, got it! Thank you for that information. You had not indicated that in your initial post.

In addition, it can still be a faulty MAF or cracked/ripped intake air snorkle. :)

Customer: replied 1 month ago.
those items are ok.
Expert:  AMEDEE replied 1 month ago.

Ok, would you like another possible cause?

Customer: replied 1 month ago.
how much more is it going to cost me??
Expert:  AMEDEE replied 1 month ago.

No more

Customer: replied 1 month ago.
thank you proceed
Expert:  AMEDEE replied 1 month ago.

Another very likely possible cause we see a lot causing this condition would be a faulty/weak fuel pump causing the engine to bog down due to low fuel pressure.

Customer: replied 1 month ago.
I here the fuel pump working. and the engine revs up very well and stays revved where ever you hold the peddle
Expert:  AMEDEE replied 1 month ago.

What is the fuel pressure at?

Customer: replied 1 month ago.
I don't know, I don't have a gage
Expert:  AMEDEE replied 1 month ago.

And how did you check the MAF and what were the readings/results?

Customer: replied 1 month ago.
ok!! thank you GOOD BY!!
Expert:  AMEDEE replied 1 month ago.

You are most welcome!

Please let me know if you have any further questions.

We can also speak on the phone if you would like.

Let me know!