YOUR RESEARCHWarm Start
1 matching discussions were examined; no attributable action/outcome evidence was detected. No consensus or repair conclusion is claimed.
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1 matching discussions · 4 captured posts examined · 0 partial discussions
Counts describe captured discussions, not unique people or a diagnosis. Author identities are not reliably stored. Exact duplicate evidence is counted once across matching discussions; one discussion counts at most once per action/state. Multiple repairs reported together remain a combination. Suggestions and failed attempts do not establish a fix. Matches cover whole discussions and can include related faults, model variants and incomplete threads.
4 eligible posts · 0 unverified posts · 1 discussions match the subject in their title or opening post.
0 evidence records excluded for query context · 0 excluded by outcome qualification · 0 adjusted by outcome qualification.
0 acknowledgements have no verified action link; they do not establish a repair result.
Generation: 20261026T220748Z · outcome-qualification-6. Deterministic extraction; no AI model inference. How we use sources
When I start my 2002 4S, the engine starts great. No weird noise. When warmed up, there seems to be a slight clatter from the rear for like a millisecond. If I was to start today cold, no noise. Is that normal? Thanks, David
Loose baffle in muffler or cat? Only guessing...
I would think that would always happen. Maybe something expands and creates a little gap to rattle. Only at start up. No rattle afterwards while driving..
Quotes source post: 16122539
I took it for what you said...warm start you get a slight rattle (or clatter). That means to me your mufflers and cats are hot. Expansion of a slightly loose baffle, when hot, could possibly create a slight clatter or rattle.
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