Renault on Friday played down the seriousness of its early season engine crisis.
After Renault-powered teams struggled for laps at the Jerez test recently, former F1 team boss Gian Carlo Minardi this week repeated rumours world champions Red Bull may be looking for a new supplier of turbo V6 engines.
Minardi said he has also heard that Renault is looking beyond the walls of its Viry factory and "shopping" for technical fixes.
"This news can only feed suspicions of structural problems in the engine that are not easy to solve in the short term," he said.
However, addressing publications on Friday, Renault's engineering chief Remi Taffin said the speculation about the...
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