Question about 1994 Chevrolet Astro
I agree with keemo68 on the tune-up. Even with computerized electronic ignition, these engines are still subject to cap, ignition wire and plug deterioration especially since their boxed in and collect heat. If they’re aged, replacement is a cheap fix and can eliminate guess work.
I have a '94 with multi-port injection. It started running awful, blew unburned fuel out the exhaust and drank like a sailor. This is a common difficulty for my 4.3 vin W engine related to the spider fuel distributor in the two part intake manifold. Unfortunately, the cost of the part is way more than the labor, the job is a pain and I hear the dealer now has the best price. If yours has this part and issue, be wary of letting it go because that lost fuel may be thinning your engine oil.
My fuel pump also failed. Last week a gear head suggested these difficulties may be related to the new fuel blends that can wreak havoc on on older plastic/rubber/etc. The new part and pump has 100K and no problems. GM has the resources to upgrade their replacement parts where aftermarket suppliers are more challenged, many carry guarantees and some, like my AC compressor, is for life with labor. I thought I was doing well with 180K. Since the gear head has 400K on his, I like their guarantees.
My EGR valve collected soot stones due its placement on my year. My dealer diverted me from spending $260 on a new one and handed me a $20 filter gasket GM issued specifically for this issue. I include this to show the benefit of tapping into Mr. Goodwrench’s company wide computerized knowledge base and the value of a dealer with high integrity.
Posted on Oct 07, 2008
Generally bad fuel milage is due to poor maintenance. not say that a slipping transmission can't add to this problem. in order to boost effiency a tune up fluid change and filters will almost certainly help to make your vehical run better. if there is a code it needs to be hooked up to a diagnostic scanner. to save money have a small shop do it. it's way cheaper than a dealer
Posted on Aug 28, 2008
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Posted on Jan 02, 2017
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