heinzpeters1

Twingo Jerking Loss of Power

I've got a 2010 Renault Twingo diesel with about 81k km on the clock. Lately, it's been acting up. Getting jerking when accelerating, the check engine light's on, and I've noticed a serious drop in power. Sometimes it even stalls at idle, and the engine runs rough. Plus, there's this strong exhaust smell that's new. I scanned for error codes, and it's definitely storing something. I'm thinking maybe it's a vacuum leak somewhere? Could a dodgy intake manifold cause all this?

A 2010 Renault Twingo diesel was experiencing jerking during acceleration, a check engine light, loss of power, stalling at idle, rough engine running, and a strong exhaust smell. The initial suspicion was a vacuum leak, possibly from a faulty intake manifold. After further investigation and a workshop visit, it was confirmed that the intake manifold was leaking due to scorching, necessitating a replacement to resolve the issues.

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4 comment(s)

Sounds familiar! My old Megane had similar symptoms a while back. Jerking, loss of power, the whole shebang. It could definitely be a vacuum leak, impacting your manifold pressure. An engine misfire can cause rough running and stalling. Have you checked for any obvious cracks or damage around the intake manifold? What error codes are you getting? That might help narrow it down.

Thanks for the quick reply! I haven't spotted any obvious cracks yet, but it's kinda hard to see the whole thing without taking stuff apart. Regarding the error codes, I'll have to check again and write them down this time. But if it IS the intake manifold, is it something that can be repaired, or am I looking at a replacement? Trying to gauge how deep my pockets need to be...

Yeah, those hidden cracks can be a pain to find. Without the specific error codes, it's tough to say for sure. But given all the symptoms, a leaking intake manifold due to scorching is a strong possibility. Whether it's repairable depends on the extent of the damage, but honestly, most of the time, replacement is the only reliable fix. Seeing as it's affecting your engine performance so much, I'd suggest getting it checked out by a workshop. They can do a proper diagnosis and give you an accurate quote.

Thanks a bunch for the advice! Took it to the workshop like you suggested, and you were spot on – intake manifold was leaking like a sieve due to scorching. Ended up costing me 1180€ to get it replaced. Ouch! But at least the Twingo is running smoothly again.

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RENAULT

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TWINGO