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996 throttle body question

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3 captured repliesDiscussion pagination complete · Source accounts, not a confirmed diagnosis
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YOUR RESEARCH996 throttle body question

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Use 997 plenum tube

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Suggestion · Original poster

Or is the answer to use a 997 plenum tube?

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996 throttle body question
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Leading evidence: 'Use 997 plenum tube' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, The most frequently discussed action is 'Use 997 plenum tube' (1 discussions). For that action, 0 discussions report a resolution and 0 report an unsuccessful attempt. No action has an explicit, attributable resolution report under the current rules. These are forum reports and suggestions, not a confirmed diagnosis.

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Use 997 plenum tube

No successful repair reported for this finding.

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Suggestion · Original poster

Or is the answer to use a 997 plenum tube?

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996 throttle body question
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POST 1 / ORIGINAL POSTEROriginal post

I figure someone else here has encountered this before and has the answer... Building a 2003 996 3.6L engine, M96.03 with e-throttle (M620). The core engine came with a cable operated throttle body, but the chassis we're installing it into is e-throttle. We sourced a new 1999-2005 996 e-throttle body and it has a 4-bolt square mounting pattern and a round opening. Part # 996.105.115.01. It supersedes to a 997 number (997.605.115.01), the same part as the 997/S, 987/S, Cayenne, and 997 Turbo. The intake manifold plenum (996.110.215.53) has a trapezoid 4-bolt pattern and an oblong opening. No other version plenum is listed in the 996 parts catalog. Does anyone know the part number of an e-throttle body with the trapezoid bolt pattern? Or is the answer to use a 997 plenum tube? Thanks,

POST 2 / ORIGINAL POSTEROriginal post

Resolved. Porsche was vague with their descriptions in the parts catalog and the one designated as specific to a C4 (M339) is the correct part.

POST 3Original post

Hi TurboKraft, How did you deal with the differences in wiring for the two throttle bodies? Did you swap the wiring harnesses; where there any problems doing that? Unfortunately, I put the inlet manifold / throttle body from my replacement engine to one side and did not notice that it had the cable operated throttle body, until the engine was lifted up into the engine bay - doh! So, I think the solution is to move the wiring harness from my original (seized) e-body harness to the new engine??? Any advice mucho appreciated, best regards, Dean

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