Why might my 98 oldsmobile, intrigue now sound like its a semi-truck as it idles? It also doesnt want to accelerate very fast.

Asked by Sep 22, 2014 at 05:54 PM about the 1998 Oldsmobile Intrigue 4 Dr GL Sedan

Question type: Maintenance & Repair

When it idles, it sounds like its semi-truck. Also doesnt want to accelerate very fast.  just
had an oil change on it. Front 3spark plugs replaced. Water pump replaced. Fuel injector
cleaner added.

4 Answers

104,045

Why only the front 3 plugs? You could have an ohms imbalance for the coils to fire properly, so replace the other 3 and if you haven't replaced the spark plug wires yet do that while your there. Next change your fuel filter then check the fuel pressure.

When it idles, it sounds like its semi-truck. Also doesnt want to accelerate very fast. just had an oil change on it. Front 3spark plugs replaced. Water pump replaced. Fuel injector cleaner added.

Was gonna do the back ones too, but couldnt reach them

If it did't sound like that before your oil change don't drive it until you double check the oil level! My friends truck sounded like that and he seized the engine because he ran it until there was barely any or no oi in it.

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