Rick's Free Auto Repair Advice

Posts Tagged: surge

Toyota Camry won’t start

Toyota Camry won’t start and has rough idle and hesitation If you’ve got a No Start Toyota with a 4-cylinder 2.2L engine or it has a rough idle or hesitation on acceleration and you’ve already checked spark plugs, wires, air filter, and fuel filter, it may be worth your while to drop $25 on an engine coolant temperature sensor. These sensors can give false readings to the ECM making it think the engine is warmer or colder than it really is. That would result in a rich or lean fuel mixture … Read More

Rough idle Ford Focus hesitation surge

Fix rough idle hesitation surge Ford Focus TSB 07-10-7 Ford has issued a technical service bulletin (TSB) 07-10-7 to address problems with a rough idle, rolling idle, or induction backfire on 2003-04 Ford Focus SVT models. They may also exhibit a hesitation or surge at a steady cruising speed. The problems usually occur after a cold start. Ford has identified one source for these problems. Direct your attention to the clamps at the intake manifold. Poor intake clamp sealing can cause separation at the rubber boots. Start by inspecting the … Read More

Hesitation and surging on Blazer 4.3L

Fix Hesitation and surging on Blazer 4.3L If you have Hesitation and surging on Blazer 4.3L and it’s driving like a dog—poor acceleration, hesitation, or a surge and you suspect a fuel problem, you may be partially right. But before you start replacing really expensive components like the fuel pump, try this: Disconnect the electrical connector to the MAF sensor and take it for a drive. If you notice an improvement, try cleaning the MAF with CRC MAF sensor cleaner. Shops are reporting that a MAF sensor replacement is far more … Read More


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