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Hi, I have a 1998 Honda CRV, 2.0L L4, with 137K miles that is throwing several CEL codes: P0301 (cylinder 1 misfire), P0302 (cylinder 2 misfire), P0304 (cylinder 4 misfire), P0300 (multiple cylinder misfire), and P1399 (manufacture control ignition system or undefined code). Recently the sparkplugs were changed, the distributor cap and rotor were replaced, and new spark plug wireswere put in. Then the car stalled out and would not start, so the distributor was replaced and timing was set. Shortly after the distributor replacement, the CEL came on with the above codes. The car runs really rough in idle, very jerky, and has started and stalled immediately after at least once since the recent work (but it did start up again right after). Additionally, there is a "Ticking" noise in idle, and I have on several occasions smelled gas/oil when I use the defroster or air. The gas smell is a recent problem, but is very concerning; however, there is no visible leak of spray or puddle under the car.

My question is, with my particular set of CEL, recent repairs, and additional physical car issues (gas smell, rough idle), what should my next course of action be? I have been reading about others having similar issues, but not all same conditions, who have already fixed the distributor, cap, rotor, spark plugs, wires-- they then get recommendations to do a valve adjustment, or replace fuel injectors or the EGR valve. What would you all suggest?

Answers from the Automotive Experts

Helaine Kurot, Owner/Technician at 360 Automotive

This vehicle should go to a reputable shop for proper diagnostics.  Honda  does recommend a service interval for valve adjustment, so if that has not yet been done it should be either way.  

There may also be an issue with one of the previously replaced parts.  New components aren't supposed to fail right away, but it does happen on occasion.  If this is the case, it should be covered under warranty by the shop that replaced the part.  

The fuel smell is definatly something that should be inspected, as that can lead to significantly bigger problems if left alone.

The EGR valve sticking open can cause a rough idle or stall as can the fuel injectors.  A reputable shop should be able to accurately diagnose these items as just installing parts on it will add up very quickly.


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