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 > Throttle Body Confusion

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10forty2

North Carolina

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Posted: 06/06/18 02:03pm Link  |  Quote  |  Print  |  Notify Moderator

I used to have a 1988 Chevy pickup with TBI. It got to stumbling and running like an old dog. Turns out it was only the throttle body gasket that needed replacing. Took a 10mm socket and about 30 minutes to fix.....


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udidwht

Seattle

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Posted: 06/06/18 02:05pm Link  |  Quote  |  Print  |  Notify Moderator

10forty2 wrote:

I used to have a 1988 Chevy pickup with TBI. It got to stumbling and running like an old dog. Turns out it was only the throttle body gasket that needed replacing. Took a 10mm socket and about 30 minutes to fix.....


Gasket as in the intake manifold > TBI gasket?


1994 Fleetwood Southwind Storm
P-30 chassis 7.4L 454 TBI 58,301 miles and counting....(as of 06/08/19)
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tropical36

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Posted: 06/06/18 04:25pm Link  |  Quote  |  Print  |  Notify Moderator

psalm10720 wrote:

It’s a P30 chasis not P32. I only come in a short time each month. Situation is ok. Will post if I need assistance. Case closed.

Actually it is a P32 for a motorhome and the term P30 is purely generic.


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timmac

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Posted: 06/06/18 05:26pm Link  |  Quote  |  Print  |  Notify Moderator

psalm10720 wrote:

1993 Chevy 454 P30


That year is a fuel injected throttle body

10forty2

North Carolina

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Posted: 06/07/18 12:24pm Link  |  Quote  |  Print  |  Notify Moderator

udidwht wrote:

10forty2 wrote:

I used to have a 1988 Chevy pickup with TBI. It got to stumbling and running like an old dog. Turns out it was only the throttle body gasket that needed replacing. Took a 10mm socket and about 30 minutes to fix.....


Gasket as in the intake manifold > TBI gasket?


It was listed as the Throttle Body Gasket when I got it....it was between the TB and the intake. Best I remember, there were two bolts holding the TB in place....removed them, slightly lifted the TB, removed the old gasket and replaced it with the new one.

psalm10720

Clearwater, FL

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Posted: 02/20/19 05:59pm Link  |  Quote  |  Print  |  Notify Moderator

Yes it is a throttle body. I am a neophyte when it comes to some issues. It looks like a carb but it is a throttle body. When funds allow I will have it rebuilt. I apologize for the confusion but it looks like a carb to me and that's what a shop referred to it as.

The good news is the work they did other than changing or rebuilding the throttle body has made the engine run smoother and not falter on acceleration.

I only drive it short distances each month from Parking spot to RV Park and back again.

Thanks again for all the feedback...

RLS7201

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Posted: 02/20/19 11:30pm Link  |  Quote  |  Print  |  Notify Moderator

psalm10720 wrote:

It’s a P30 chasis not P32. I only come in a short time each month. Situation is ok. Will post if I need assistance. Case closed.


That's backwards. Chevy class A motor home chassis are P32. Chevy truck chassis are P30. But the P32 chassis has been misidentified for years. Even the generic parts houses has it wrong in their computers.
I've actually seen the P32 parts books at a GMC dealer.

Richard


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