diff --git a/lib/fog/aws/elasticache.rb b/lib/fog/aws/elasticache.rb
index b67b90094..b05a438ab 100644
--- a/lib/fog/aws/elasticache.rb
+++ b/lib/fog/aws/elasticache.rb
@@ -139,7 +139,16 @@ module Fog
                 :clusters  => {}, # cache cluster data, indexed by cluster ID
                 :security_groups => {}, # security groups
                 :subnet_groups => {},
-              }
+                :parameter_groups => {"default.memcached1.4" => { "CacheParameterGroupFamily"=>"memcached1.4",
+                                                                  "Description"=>"Default parameter group for memcached1.4",
+                                                                  "CacheParameterGroupName"=>"default.memcached1.4"
+                                                                },
+                                      "default.redis2.6" =>     {"CacheParameterGroupFamily"=>"redis2.6",
+                                                                 "Description"=>"Default parameter group for redis2.6",
+                                                                 "CacheParameterGroupName"=>"default.redis2.6"
+                                                                }
+                                      }
+                                  }
             end
           end
         end
diff --git a/lib/fog/aws/requests/elasticache/create_cache_parameter_group.rb b/lib/fog/aws/requests/elasticache/create_cache_parameter_group.rb
index cb9ffdab7..ae8ab3499 100644
--- a/lib/fog/aws/requests/elasticache/create_cache_parameter_group.rb
+++ b/lib/fog/aws/requests/elasticache/create_cache_parameter_group.rb
@@ -27,9 +27,25 @@ module Fog
       end
 
       class Mock
-        def create_cache_parameter_group(name, description = name,
-          family = 'memcached1.4')
-          Fog::Mock.not_implemented
+        def create_cache_parameter_group(name, description = name, family = 'memcached1.4')
+          response = Excon::Response.new
+          if self.data[:parameter_groups] and self.data[:parameter_groups][name]
+            raise Fog::AWS::Elasticache::IdentifierTaken.new("Parameter group #{name} already exists")
+          end
+
+          data = {
+            'CacheParameterGroupName' => name,
+            'CacheParameterGroupFamily' => family.downcase,
+            'Description' => description
+          }
+          self.data[:parameter_groups][name] = data
+
+          response.body = {
+            "ResponseMetadata"=>{ "RequestId"=> Fog::AWS::Mock.request_id },
+            "CreateCacheParameterGroupResult"=> {"CacheParameterGroup"=> data}
+          }
+          response.status = 200
+          response
         end
       end
     end
diff --git a/lib/fog/aws/requests/elasticache/delete_cache_parameter_group.rb b/lib/fog/aws/requests/elasticache/delete_cache_parameter_group.rb
index 3704fb741..83c54621b 100644
--- a/lib/fog/aws/requests/elasticache/delete_cache_parameter_group.rb
+++ b/lib/fog/aws/requests/elasticache/delete_cache_parameter_group.rb
@@ -23,7 +23,17 @@ module Fog
 
       class Mock
         def delete_cache_parameter_group(name)
-          Fog::Mock.not_implemented
+          response = Excon::Response.new
+
+          if self.data[:parameter_groups].delete(name)
+            response.status = 200
+            response.body = {
+              "ResponseMetadata"=>{ "RequestId"=> Fog::AWS::Mock.request_id },
+            }
+            response
+          else
+            raise Fog::AWS::RDS::NotFound.new("CacheParameterGroup not found: #{name}")
+          end
         end
       end
     end
diff --git a/lib/fog/aws/requests/elasticache/describe_cache_parameter_groups.rb b/lib/fog/aws/requests/elasticache/describe_cache_parameter_groups.rb
index f3423fc7a..d1864f123 100644
--- a/lib/fog/aws/requests/elasticache/describe_cache_parameter_groups.rb
+++ b/lib/fog/aws/requests/elasticache/describe_cache_parameter_groups.rb
@@ -26,7 +26,23 @@ module Fog
 
       class Mock
         def describe_cache_parameter_groups(name = nil, options = {})
-          Fog::Mock.not_implemented
+          response = Excon::Response.new
+          parameter_set = []
+          if name
+            if server = self.data[:parameter_groups][name]
+              parameter_set << server
+            else
+              raise Fog::AWS::Elasticache::NotFound.new("CacheParameterGroup #{name} not found")
+            end
+          else
+            parameter_set = self.data[:parameter_groups].values
+          end
+
+
+          response.status = 200
+
+          response.body = { "CacheParameterGroups" => parameter_set }
+          response
         end
       end
     end
diff --git a/tests/aws/models/elasticache/parameter_groups_tests.rb b/tests/aws/models/elasticache/parameter_groups_tests.rb
index 56d7306c8..019627ec8 100644
--- a/tests/aws/models/elasticache/parameter_groups_tests.rb
+++ b/tests/aws/models/elasticache/parameter_groups_tests.rb
@@ -2,16 +2,14 @@ Shindo.tests('AWS::Elasticache | parameter groups', ['aws', 'elasticache']) do
   group_name = 'fog-test'
   description = 'Fog Test'
 
-  pending if Fog.mocking?
-
   model_tests(
     AWS[:elasticache].parameter_groups,
-    {:id => group_name, :description => description}, false
+    {:id => group_name, :description => description}, true
   )
 
   collection_tests(
     AWS[:elasticache].parameter_groups,
-    {:id => group_name, :description => description}, false
+    {:id => group_name, :description => description}, true
   )
 
 end