Question about 1994 Toyota Camry
Around 40 degrees or colder weather the car hardly starts, and it runs real rough if it does start. It runs real good in warmer weather, Had the head redone put new spark plugs, wires, timing belt and had it timed and no difference. It has 150,000 miles the battery is also new.
The correct spark plugs are very important. Glad to hear you got it fixed good.
Posted on Jan 20, 2009
There is a much richer fuel mixture during a cold start, the colder the engine the richer the fuel mixture
retarded ignition timing causing the fuel to burn for a longer period of time makes the engine heat up faster
anything that doesn't allow the mixture to be properly metered, like vacuum leaks, bad temperature sensors, or O2 sensors, MAF or MAP sensors, bad EGR valves or PCV valves hoses or tubes,
anything that will cause the fuel mixture not to burn properly, like worn spark plugs, or any other ignition part, wires, cap, rotor, timing, compression, will cause poor start or no start conditions that are worse in lower temperatures,
also low voltage, week battery, slow cranking of the engine can also cause hard to start conditions
Posted on May 20, 2016
A few thigs to look at coolant temp sensor and the idle control motor under the throtle body... the IAC motor when bad you will have to keep giving car gas till it gets wormed up very comm. prob whith your car i have changed at least 15 of them on cust. cars hope this helps
Posted on Dec 30, 2008
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Posted on Jan 02, 2017
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